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The 1st International Conference on Environment, Sustainability Issues and Community Development (INCRID 2019)

Event starts on 2019.10.23 for 2 days in Semarang

https://www.incrid.lingkungan.ft.undip.ac.id | https://ifory.id/conf-abstract/ZqBj2h6cK

Page 5 (data 121 to 150 of 183) | Displayed ini 30 data/page

Regression Analysis of Public Relations Knowledge about Disaster Management in the Emergency Response Phase as an Effort to Reduce Disaster Risk
Rafid Mahful, Janed Jacobus Aisiyah, Amilatun Rosidah, Ahmad Algifari

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Corresponding Author
Rafid Mahful

Institutions
Urban Planning Department, Faculty of Engineering, Tadulako University

Abstract
According to Sutopo, Head of the BNPD Data, Information and Public Relations Center, the earthquake disaster that occurred in Palu, there were 1,948 fatalities, 843 missing, and it is estimated that many victims were buried in the estimated figures until they reached thousands (BCC Indonesia, 2018). The losses suffered are also estimated to be very large. Preparedness is one part of the disaster management process and in the current developing concept of disaster, the importance of preparedness is one of the important elements of pro-active disaster risk reduction before a disaster occurs. (LIPI-UNESCO, 2006). The object of this research is the people of Palu who live in Temporary Resettlement in several locations, namely Petobo, Balaroa, Silae, Lero, and Kampung Baru. This study uses economic modeling methods to determine the relationship between variables and as many as 150 people are sampled in the collection of data needed. The variables of this study are age, education, occupation, and aspects contained in the disaster risk reduction index (Carreno et al., 2004). The conclusion is that age is very influential on emergency response planning and implementation of warning systems as well as community preparedness and training, on the other hand education and employment have no effect at all in the DRR index. Therefore, there needs to be an evaluation from both the local and central government, the community, and academics to think about ways to reduce disaster risk by increasing public knowledge of disasters.

Keywords
Disaster Risk Reduction, Disaster Mitigation, DRR index

Topic
Urban Development and Resilient Community

Link: https://ifory.id/abstract/H9QvRAcUpMCf


Relationship of Environmental ability and economic ability company : Evidence from Indonesia
Abdillah Arif Nasution, Risanty, Keulana Erwin, and Fahmi Natigor Nasution

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Corresponding Author
Abdillah Arif Nasution

Institutions
University of Sumatera Utara

Abstract
Environmental performance is strongly influenced by the extent of impetus towards environmental management carried out by various agencies, especially agencies government. Environmental performance will also be achieved at a high level if the company proactively undertakes various environmental management actions in a controlled manner. The purpose of this study is to examine the effect of performance environment on economic performance. Data were analyzed using regression multiple. The data used in this study comes from annual reports registered on the Indonesia Stock Exchange and PROPER in 2016-2018. Results this research shows that environmental performance has a significant effect on economic performance. The company is expected to pay attention to the completeness of the disclosure items environmental performance that needs to be disclosed in a sustainable report. This will certainly make it easier for investors to assess the companys performance.

Keywords
Environmental ability, economic ability,

Topic
Environment, Health, and Safety

Link: https://ifory.id/abstract/rPHy6M4KdDZ3


Removal Efficiency of Hexavalent Chromium from Laboratory Wastewater Treated by Combined Precipitation using NaOH and Ca(OH)2 with Adsorption by Granular Activated Carbon
Fadli Mulyadi, Yulianti Pratama, Lina Apriyanti

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Corresponding Author
Fadli Mulyadi

Institutions
National Institute of Technology, Bandung

Abstract
Liquid laboratory waste generated from water quality examination activities especially from the COD (Chemical Oxygen Demand) analysis. The COD wastewater contains Cr VI which potentially pollute the environment due to its carcinogenic effect. The research aimed to determine the efficiency of removal of Cr VI treated by a combination between precipitation and adsorption methods. In this research, the variations of precipitate and height of adsorbent were made. Two types of hydroxide precipitate between NaOH and Ca(OH)2 were used in this research at concentrations of 50%. The pH levels were adjusted between 8; 9; 10; 11 while the heights of adsorbent were varied of 7,5 cm, 15 cm, and 22,5 cm, respectively. Results showed that the highest Cr VI removal of 60,98% was obtained by precipitation process using Ca(OH)2 50% with the pH adjusted at 9,06. Whereas the significant adsorption efficiency was achieved 88.13% by the height of granular activated carbon of 22.5 cm with the addition of acidification process.

Keywords
COD contained wastewater, Hexavalent Chromium, Precipitation, Adsorption, Granular Activated Carbon.

Topic
Environmental Technology

Link: https://ifory.id/abstract/gTJryxHF6A4u


REMOVAL OF PHYSICAL CONTAMINANTS FROM POTABLE WATER DISTRIBUTION
Aryo Pribadi Wicaksono (a*), Badrus Zaman (b), M. Arief Budihardjo (b)

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Corresponding Author
Aryo Pribadi Wicaksono

Institutions
Diponegoro University

Abstract
Water distribution from water treatment plants may still contain some contaminants such as odor, sediments, discoloration, bacteria, viruses, worms, etc, so it is unhygienic and has potential hazards waterborne disease to human health, it can cause several diseases such as skin disease, itching, influenza, typhus, diarrhea, etc. This can be caused by several contaminants parameters of physical, chemical and microbiological. There are several methods that can be used to treat water such as filtration that purpose to reduce the concentration of contaminants carried or formed in potable water distribution, to conform to drinking water quality standards. Filtration has many media types such as activated carbon, greensand manganese, ferolite, polypropylene, yarn, and ceramic. The advantage of activated carbon is low cost, high efficiency and easy to maintenance. Effects of water purification shows that the filtration from activated carbon combined with polypropylene filtration processes has significant effects and very effective to reduce physical contaminant, it can be reduced 60 – 80 % depending on the concentration of contaminant and can improve water quality. This article is a review of some of the results of the research process.

Keywords
filtration, activated carbon, physical contaminants, water distribution, potable

Topic
Environmental Technology

Link: https://ifory.id/abstract/LrM3GPwfxCWF


Research on CV. Rena Soap Nut Detergent as Future Organic Detergent in Indonesia
Siti Fatimah1 , Fahmi Arifan2 , Aditya Affan Herdiyanto3 , Muhammad Rezky3 and Chintya Ramadhani4

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Corresponding Author
Aditya Affan Herdiyanto

Institutions
1 Faculty of Public Health, Diponegoro University, Semarang, Central Java, Indonesia
2 Vocational School, Diponegoro University, Semarang, Central Java, Indonesia
3 Faculty of Engineering, Diponegoro Uiniversity, Semarang, Central Java, Indonesia
4 Faculty of Animal and Agricultural Science, Diponegoro University, Semarang, Central Java, Indonesia.

Abstract
Soap nut is a plant that is known which are used as traditional detergent. Batik is usually recommended to be washed soap nut because it is considered as the most suitable washing agent to maintain its quality (batik color). Soap nut seeds contain saponins, a toxic alkaloid, these saponins produce foam and function as a washing agent, and can also be used as a cleaner for various kitchen utensils, floors, and even bathe and clean pets. This research aims to compare the quality of CV Renas batik soap nut detergent with batik soap nut produced by other industries. In this experiment include color analysis, odor analysis, pH analysis, density analysis and viscosity analysis of tested batik soap nut detergent. The results of the five sensory organoleptic tests found that CV detergents were compared with three competitor manufacturers batik soap nut detergent (detergent A, detergent B and detergent C) has a homogeneous shape, distinctive color and distinctive odor. While for the pH test the CV Renault detergent results were pH = 3.2, detergent A pH = 3.8, detergent B pH = 5.9 and finally detergent C pH = 4.2. For the density test, the detergent density of CV Rena = 1.0386 gr / ml, detergent A = 1.0255 gr / ml, detergent B = 1.0554 gr / ml and detergent C = 1,0068 gr / ml. And for the viscosity test, the result of CV Renas detergent = 1.61 cp, detergent A = 1.45 cp, detergent B = 5.86 cp and detergent C = 1.15 cp. The trial results obtained in organoleptic tests such as color, odor and shape are in accordance with the Liquid Detergent Quality Requirements SNI 06-4075-1996, while the pH and density are not in accordance with the existing quality standards.

Keywords
soap nut detergent; density; pH; color; odor; viscosity

Topic
Sustainable Development

Link: https://ifory.id/abstract/fUGpwvcCtRmr


Retrofit Plans on Building Envelopes as Energy Efficiency Efforts: a Green Building Concept
Dina Meutia Aurora (a) Hayati Sari Hasibuan(b)

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Corresponding Author
Dina Meutia Aurora

Institutions
a) Postgraduate student of School of Environmental Science Universitas Indonesia
b) Lecturer of School of Environmental Science Universitas Indonesia

Abstract
Buildings with all their activities use considerable energy in the urban environment. Environmentally friendly buildings concept becomes essential in relation to energy conservation. The application of this concept to existing buildings can be done through retrofit, by carrying out a series of improvements or changes to facilities and elements, to reduce energy consumption. This research was conducted to investigate how much energy savings will be generated through the simulation of several retrofit plans on the building envelope. The model in this study is the public building office, Jakarta Provincial Government-s office. The plans are carried out by simulating the reduction of Window Wall Ratio, addition of shading and replacement of glass material. The analytical method used is energy simulation with sensitivity analysis using the Autocad Greenbuilding Studio application. From the simulation, the results showed that retrofit plans proved to be able to save energy use in the building by 18 - 22%. This simulation also affects the savings in operational costs.

Keywords
building retrofit, energy efficiency, energy simulation

Topic
Green Infrastructure

Link: https://ifory.id/abstract/QHa7TwpvFJjL


Seashore Community Engagement Program for a Clean Seawater at Banyu Biru Village
Lucy Kurnianti (a*), Hastin Setiani (a), Sabrina Hikmah Ramadianti (a), Riri Fitri Sari (b)

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Corresponding Author
Lucy Kurnianti

Institutions
a) Administrative Center, Universitas Indonesia, Depok 16424, Indonesia
*lucykurnianti[at]ui.ac.id
b) Department of Electrical Engineering, Universitas Indonesia, Depok 16424, Indonesia

Abstract
This paper present the community engagement program conducted at Banyu Biru Village in Banten, Indonesia related to seacoast waste and water quality. Banyu Biru Village has a potency to increase its economic gain from tourism. The aim of our community engagement program is to collect the water and seacoast waste database. These data can be used as a benchmark for evaluating the environment based on BlueMetric indicators created by Universitas Indonesia. The results of socialization and outreach activities revealed that majority of respondents aged 26-35 years old (33.3%), female (100%), having elementary education background (85.2%), and unemployed (66.7%). Other measurement results show that most respondents lack of knowledge about seawater pollution (55.6%), have a positive attitude (59.3%), and have not implemented the waste management (81.5%). The types of waste that have been processed by some residents of Banyu Biru Village are organic waste by burning. To increasing the knowledge, attitudes, and behaviors are needed so the goal of protecting the environment from the danger of water pollution can be achieved. It is hoped that the BlueMetric program can be carried out sustainably and can also be applied in other regions in Indonesia.

Keywords
BlueMetric; Community engagement; Seashore community; Seawater pollution; Seawater quality

Topic
Urban Development and Resilient Community

Link: https://ifory.id/abstract/afJQhKDtgTjB


SEDIMENT TRAP IN THE DOWNSTREAM OF CHECK DAM TO CONTROL RESERVOIR SEDIMENTATION
Dyah Ari Wulandari (a*), Desyta Ulfiana (a), Priyo Nugroho Parmantoro (a), Susilowati (a)

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Corresponding Author
Dyah Ari Wulandari

Institutions
(a) Civil Engineering Department, Diponegoro University
*dyahariwulandari[at]yahoo.co.id

Abstract
Reservoir sedimentation is a major problem experienced by reservoirs in Indonesia. Sedimentation of reservoirs can be overcome by reducing the amount of sediment that enters the reservoir, among others by building Check dam. Check dam deposits more sediment loads with coarse grains, while sediment loads with fine grains will escape and enter the reservoir. So it is necessary to have construction to hold and settle fine sediment loads downstream of the Check dam. Constructions are planned like a sediment trap in irrigation system with variations on the cross-sectional area. This is because the settling velocity of sediment particles is inversely proportional to the cross-sectional area of the channel. The wider the cross-sectional of the channel then sediment will settle faster. In this study, the cross-section was expanded by changing its depth with three depth variations. The purpose of this research is to determine the effect of changes in the channel depth on sediment deposition that occurs. The calculation is done using the HEC-RAS software. Simulation results show the addition of sedimentation to the addition of the channel depth. To get optimal results to need to be combined with other variations.

Keywords
Sediment Trap, sediment transport, Reservoir sedimentation control

Topic
Sustainable Development

Link: https://ifory.id/abstract/2raWAUHzGL46


Solar System and Energy Conservation for a Clean and Sustainable Environment in Indonesia
Yakuttinah Marjan (a) Yusef Ali Yusef Yakubi (b) Yurilla Endah Muliatie (c) Ade Ria Nirmala (d) Muhammad Ali Ahmad (c)

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Corresponding Author
Ade Nirmala

Institutions
Faculty economics and business University of Airlangga

Abstract
Nowadays, many large cities in Indonesia. Such as Jakarta, Pekanbaru and Palangkaraya, experience a high air pollution rate. Particularly, the Ministry of Environment and Forestry (KLHK) stated that the average annual concentration of PM 2.5 particulates in Jakarta turns out to be far beyond the national ambient air quality standard. Unfortunately, recent data indicated that in every one (Particulate Matter) PM 2.5 air quality monitoring station in Jakarta, the annual average is 34.57 ug / m3. Basically, the Republic of Indonesia Government Regulation No. 41/1999 stipulates the annual PM 2.5 quality standard at 15 ug / m3.In other words these annual averages display a serious pollution problem in some major Indonesian cities. Other cases that added pollution problems took place in Pekanbaru and Palangkaraya cities which witnessed rainforest fires. Therefore, there appear a need for a clean and inexhaustible source of energy since the use of alternative and efficient energy resources can serve a purpose. This study aims at illustrating some advantages of using solar system to achieve a clean and sustainable environment by following certain steps and recommend specific policies regarding efficient use alternative renewable resources. Findings of this study might be of interest to government and non-government environment policy makers in addition to development activists and academics.

Keywords
Air Pollution, Clean and sustainable Environment

Topic
Energy Conservation and Efficiency

Link: https://ifory.id/abstract/YvEVwfdPLcnN


Solid Waste Characterization and Reducing Potential at Faculty of Engineering, University of Surabaya
Tuani Lidiawati Simangunsong

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Corresponding Author
TUANI LIDIAWATI SIMANGUNSONG

Institutions
Chemical Engineering Department, Center for Environmental Studies, University of Surabaya

Abstract
Reducing solid waste generation is one of green campus achievement programs at University of Surabaya (Ubaya). It is important to quantify the amount and composition of solid waste generation of all the faculties because the data will determine the next step of solid waste management at Ubaya. The Faculty of Engineering significantly contributes to the amount of waste generation in Ubaya. A research related to Faculty of Engineering solid waste management needs to be conducted. The aims of the study were estimating the quantity of solid waste generation and observing the composition of solid waste in the Faculty of Engineering. The method of this research was survey of waste generation. The survey was conducted at classrooms and administrative office of the Faculty of Engineering . The estimation of waste generation was taken for 12 (twelve) days during April 2018. After collection, the waste materials were segregated into plastic bottle, plastic glass, plastic spoon, plastic straw, plastic packaging bag, food packaging, food waste, tissue, paper, and residue. The results of the research showed that the average daily solid waste generation faculty of engineering was to be 19.2 kgs. The solid waste composition was found to be plastic bottle 8.8% (1,7 kg/day), plastic glass 4.1 %(0,8 kg/day), plastic spoon 2% (0,4 kg/day), plastic straw 1% (0,2 kg/day), plastic packaging bag 9.9% (1.9 kg/day), food packaging 17.6% (3.4 kg/day), food waste 27%(5.2 kg/day), tissue 10.2% (2 kg/day), paper 9.8% (1.9 kg/day), and residue 9.6% (1.9 kg/day). The reducing potential of the waste was about 80%.

Keywords
solid waste characterization, waste generation, university of Surabaya

Topic
Environmental Technology

Link: https://ifory.id/abstract/pFKCM3JrVTDZ


Spatial Analysis of Driving Factors on Land Cover Changes Cluster in West Java Province
Ivan Satria Ajie, Albertus Deliar, Riantini Virtriana

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Corresponding Author
Ivan Satria Ajie

Institutions
Faculty of Earth Sciences and Technology, Geodesy and Geomatics Engineering, Institut Teknologi Bandung
Jalan Ganesha 10, Bandung 40132, Indonesia
ivansatriaajie[at]gmail.com, albert[at]gd.itb.ac.id, riantini.virtriana[at]gmail.com

Abstract
The study of land cover change phenomenon is important to do in order to understand the global environment change. With cluster, the pattern and concentration of land cover change can be indicated, so that decisions can be made on target. The understanding of land cover dynamics can be improved by identifying the factors effecting them and the type of effect that every factors cause. The types of effect a factor cause can be divided into two types, driving and resistance. Therefore, this study is conducted to identify the type of effects that every factor has on West Java Province-s land cover change based on it-s land cover change cluster. The type of effects a factor has and the phenomenon of land cover change are modeled using binary logistic regression method, which is a data analysis method used to find a relationship between a binary response variable (y) and predictor variable (x). In this study, the land cover change acts as the response variable, while the driving factors acts as the pretdictor variables. The result of this study indicates that the factors effecting the changes in land cover in West Java Province, based on it-s land cover change cluster, is heterogeneous, both in terms of the characteristics of the dominant land cover class changes and in terms of the distribution of its clusters.

Keywords
Land cover change; cluster; driving factors; binary logistic regression

Topic
Urban Development and Resilient Community

Link: https://ifory.id/abstract/kcvUGZwydmXe


SPATIAL ANALYSIS TO EVALUATE GROUNDWATER VULNERABILITY TO CONTAMINATION OF UNCONFINED AQUIFER IN SEMARANG LOWLAND AREA USING DRASTIC METHOD
Thomas Triadi Putranto (a*),Najib (a), and Yoga Aribowo (a)

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Corresponding Author
Thomas Triadi Putranto

Institutions
Geological Engineering Department, Diponegoro University, Jl. Prof. Soedarto SH, Tembalang Semarang 50275, Indoensia
*putranto[at]ft.undip.ac.id

Abstract
The increasing population up to 1.67% per year in the urban coastal city such as Semarang affects enormous stress on the natural resources – groundwater, in particular. To assess groundwater vulnerability to contamination the DRASTIC method was applied. DRASTIC was one method in compiling a zone of groundwater vulnerability to contamination. This method required seven parameters, namely D (water table depth), R (recharge zone), A (media aquifer), S (soil media), T (topography), I (vadose zone), and C (hydraulic conductivity). Processing of each parameter was developed by using spatial analysis in ArcGIS. The results conduct there are three level of groundwater vulnerability to contamination namely low, medium and high.

Keywords
Groundwater, Vulnerability, DRASTIC, Semarang

Topic
Environment, Health, and Safety

Link: https://ifory.id/abstract/tbjdaAChpFTc


Spatial Pattern Comparison of Paddy field Productivity on Karst and Non – Karst Area (Studi Case at Ponjong, Semanu and Karangmojo District)
Yoanna Ristya, Astrid Damayanti, Taqyuddin, Nur Laily R H

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Corresponding Author
Yoanna Ristya

Institutions
Department of Geography, Faculty of Mathematics & Natural Science, Universitas Indonesia

Abstract
Land Productivity can be affected by physical and human factors. Physical factors that can affect the land productivity are temperature, number of wet months, drainage, texture, pH, soil depth, slope and others. Landform defferences can cause a differences of physical factors betwen one and another land. The differences of physical factors caused a differences in paddy varieties, type of fertilizer and community paddy planting method. Paddy varieties, type of fertilizer and community paddy planting method are human factors that can affect land production. Ponjong, Semanu and Karangmojo district are districts in Gunungkidul Regency that have the largest paddy field area. Most area in that districts is included of Gunung Sewu karst area and the others area is non – karst area. This research want to know the spatial pattern comparison of Paddy field Productivity on Karst and Non – Karst Area. Temperature, number of wet months, drainage, texture, pH, soil depth, cation capacity, base saturation and slope, paddy field productivity was used as the variables in this research. In this reasearch matching method was used to get the paddy field suitability class, afterwards nearest neighbor analysis and spatial analysis was used to get the spatial pattern of paddy field productivity. The result show that average productivity on non – karst area is higher than karst area. In the karst area, most of high class is located in Karst Plateau landform. In conical karst landform, slope is the main inhibiting factor for land productivity. In Karst Plateau is pH and drainage, whilst in non – karst area inhibited by rooting.

Keywords
Gunung Sewu Karst area, land suitability, non – karst area, productivity, spatial pattern

Topic
Environment, Health, and Safety

Link: https://ifory.id/abstract/PkHMEmenAK6G


Spatial Patterns of Land Surface Temperature In Jakarta and Its Surrounding Areas, Indonesia
Andhy Bato Raya (a*), Hayati Sari Hasibuan (a)

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Corresponding Author
Andhy Bato Raya

Institutions
(a) School of Environmental Science, Universitas Indonesia, Jl. Salemba Raya No. 4, Jakarta, Indonesia

Abstract
This study aims to identify the phenomenon of Urban Heat Island (UHI), which is higher urban temperature conditions than rural areas around it, in one of the largest metropolitan areas in the world, Jakarta, the Capital of Indonesia, and its hinterland. UHI identification was carried out based on land surface temperature of Landsat 8 OLI / TIRS remote sensing satellite imagery. The results showed that the built up land had a higher temperature than natural land cover and vegetated land, namely forest and agricultural land. The spatial pattern shows a decrease in land surface temperature at each distance increase from the Capital City of Jakarta.

Keywords
Urban Heat Island; Remote Sensing; Land Cover; Land Surface Temperature; Metropolitan Jakarta

Topic
Urban Development and Resilient Community

Link: https://ifory.id/abstract/z7QrkfuRqUM3


STRATEGY CHANGE CONSTRUCTION METHOD TO INCREASING PRODUCTIVITY AND REDUCING WASTE IN THE PRIVATE UNIVERSITY BUILDINGS
M Azhar Asykurulloh, Ferry Hermawan, M Agung Wibowo

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Corresponding Author
Azhar Asykurulloh

Institutions
Department of Civil Engineering Diponegoro University

Abstract
In the effort of productivity management of floor plate formwork method and minimizing waste in building projects, the contractor must know the level of productivity of conventional floor plate formwork method and panel floor formwork method. Aim of this research is to explore the strategy of increasing productivity by three objectives: (1) measuring productivity of the implementing floor plate formwork among two methods, (2) analysing the productivity ratio based on first objective through productivity factors 5M (Method, Material, Machine, Man Power and Money) on building projects, (3) analysing waste in the comparison between 2 methods. The research method used was a case study of a university building project in Yogyakarta. Strategies to answer the research objectives were carried out an analysis of productivity in both methods. The results showed that the panel floor formwork method method productivity is greater that is 595.84 m2/day and labor productivity is 36.67 m2/ person / day, compared to conventional floor plate formwork method productivity is smaller that is 385.13 m2 / day and labor productivity is 27.03 m2 / person / day, and panel floor plate formwork can minimize waste in lean construction assessment board assessment

Keywords
Productivity, Waste, Lean Construction

Topic
Sustainable Development

Link: https://ifory.id/abstract/TvYGJeqjQ82C


Strengthening Water Irrigation Management To Increase Water Usage Efficiency
Hanipah(1), Hayati S. Hasibuan(*2) and Rudy P. Tambunan(3)

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Corresponding Author
Hanipah Hanipah

Institutions
1,2) School of Environmental Science, University of Indonesia, Jakarta, 10430, INDONESIA
hanipahtanjung[at]gmail.com, hayati.hasibuan[at]ui.ac.id
3) Department of Geography, University of Indonesia, Depok, INDONESIA
rudyptamb[at]yahoo.com

Abstract
The land use change from agricultural to industrial city took place in Karawang. Besides land conversion, transfer in water usage also increased for industrial needs. This is caused by poor water management in terms of distribution and control of water usage, mainly in the industrial and agricultural sectors. The area of irrigated land was reduced from 97,037 ha (2009) to 90,062 ha (2017), while the amount of dry land increased from 22,063 ha (2009) to 46,299 ha (2017). It showed that the lack of irrigation water management has an impact on the reduction of productive paddy fields. Therefore this research aims to formulate an action plan of water irrigation management. The study was conducted in West Telukjambe District, Karawang Regency. The method used stakeholder analysis and system dynamics modeling. Data obtained from observation and interview data, irrigated land area, and the amount of irrigation water availability. The results showed the overlapping and missing roles of several stakeholders in charge of irrigation water management in West Telukjambe. Model simulations showed the increasing of irrigation serving area for additional management performance of each stakeholder. Therefore, integrated management of irrigation systems needed to control the distribution and water irrigation efficient.

Keywords
irrigation management; irrigation efficiency; water usage; stakeholders analysis

Topic
Environmental Technology

Link: https://ifory.id/abstract/MTnkHAj6LNuC


Studies of Carrying Capacity and Zonation at Telaga Menjer, Central Java Using A Multidisciplinary Approach for Sustainable Utilization
Luki Subehi*, Muh. Fakhrudin*, Apip*, Iwan Ridwansyah*, Gunawan Pratama Yoga*, Hadiid Agita Rustini*, Octavianto Samir*, Ari Wahyono**, Slamet Suwardi***

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Corresponding Author
Luki Subehi

Institutions
*Research Center for Limnology, Indonesian Institute of Sciences
**Research Center for Society and Culture, Indonesian Institute of Sciences
***Indonesia Power, Generating Unit for Mrica

Abstract
Abstract. Tropical lake is one of the unique ecosystems which are functioning in both ecological and economic services. Telaga Menjer as a volcanic lake, has strategic values as a hydropower plant, tourism, agriculture, capture fisheries and floating net cages farming. It influenced a degradation of water quality and quantity, nutrient enrichment and exceed the carrying capacity. Telaga Menjer has a catchment area of around 2.27 km2 with a lake surface area of 0.61 km2.The purpose of this research is to investigate the characteristic of lake to know the carryng capacity and utilization zone with a multidisciplinary approach. For measuring its depth, the Hondex PS-7 portable depth sensor is used with a maximum depth of 80 m. The water quality parameters stratification were measured by logger version CTD profiler with a depth interval of 1 m on July 2019. The results showed that DO values were observed until the bottom of lake (45 m). Moreover, Total Nitrogen (TN) was very high concentration, indicating more fertilizer from agriculture. Meanwhile, lower concentration of pesticides were obtained. Next, the land use management and economic values of these lakes and ecosystem should be elucidated in order to maintain the sustainability of the lake

Keywords
Telaga Menjer, Water quality, Carrying capacity, Zonation, Hydropower plant, Tourism

Topic
Environment, Health, and Safety

Link: https://ifory.id/abstract/9yKU8cpBeWMr


Study of Inundation Control on Kelayan Regional Inundation Handling Unit in Banjarmasin, South Borneo
Ekawati Laily Ramadhani (a*), Bambang Triatmodjo (b), Endita Prima Ari Pratiwi (b)

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Corresponding Author
Ekawati Laily Ramadhani

Institutions
(a) Department of Civil and Environmental Engineering, Gadjah Mada University,
Jl. Grafika No. 2, Yogyakarta 55281, Indonesia
Email: ekawati.laily[at]gmail.com
(b) Department of Civil and Environmental Engineering, Gadjah Mada University,
Jl. Grafika No. 2, Yogyakarta 55281, Indonesia

Abstract
Inundation occurred in high density urban areas is a major issue especially in low land because it potentially damage the affected infrastructure. In this research, a case was taken in Kelayan Regional Inundation Handling Unit in Banjarmasin City, South Borneo. The main problem of inundation that occurs is the lack of the existing drainage channel capacity to drain discharge due to rain. The hydrological analysis was calculated by using the rational method to get discharge, using data from Sungai Tabuk Rain Station that 24 years long. From the discharge obtained, then the required channel dimensions could be calculated and compared with the existing channel dimensions. The hydraulic analysis was performed by HEC RAS model with the discharge as boundary condition, and topographic data to determine elevation of the channel. As the results of running models, the existing drainage channels can only cover 37.19% of the entire area, and 85% of these existing channels cannot drain the discharge that occurs, therefore it becomes an inundation. For example, channel number 4.B.16b the existing channel has 0.8m width and 0.5m depth, it caused inundation as high as 10cm upstream. After normalized the channel by increasing the dimensions to 0.9m width and 0.7m depth, the discharge does not overflow so there is no inundation.

Keywords
inundation, rain, urban drainage, normalization

Topic
Urban Development and Resilient Community

Link: https://ifory.id/abstract/C9m2QT4jReaN


Study of Utilization Mud Of Moedal Tirta Pdam, Semarang City Become A Material Of Mixed Brick Mixture In Brick Industry of Penggaron Semarang
Sry T. Romaito Lumbantobing 1, Dhia Sasmita1, Mochamad Arief Budihardjo1, Budi Prasetyo Samadikun 1

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Corresponding Author
Dhia Sasmita Lantip

Institutions
Environmental Engineering Department, Faculty of Engineering, Diponegoro University, Tembalang, Semarang, 50275, Indonesia

Abstract
One of the basic human needs for survival is drinking water that is facilitated by the Regional Water Company (PDAM). Regional Water Company (PDAM) product sludge in the process that becomes production waste is immediately discharged into the water body without processing it first. This is an act of environmental pollution and can lead to an increase in the concentration of aluminum in water which can pollute aquatic organisms, and humans who indirectly consume water or organisms from the water. Other complications arise from the traditional brick industry. Many people Penggaron Kidul Village work as red brick craftsmen that the land sourced from around the communitys residents. But this caused damage to the environmental order and waterlogging because the former excavation of clay used as raw material for making bricks was left unchecked. The research method consists of 3 stages, namely testing the characteristics of mud and clay, brick making, and testing the physical and mechanical properties of bricks. So that obtained the characteristics of PDAM mud with clay soil has characteristic similarities classified in silt with high plasticity or high plasticity silt. Then the Tirta Moedal PDAM mudflow in Semarang City can be used as a mixture of bricks that meets the Indonesian National Standard with a maximum amount of mud of 15%

Keywords
PDAM mud, used clay, brick.

Topic
Urban Development and Resilient Community

Link: https://ifory.id/abstract/LhKNnjbBc3dx


STUDY ON THE RIVER SAND REMOVAL CAPACITY
Muhammad Shazril Idris Ibrahim, Ismail Abustan, Mohd Remy Rozainy Mohd Arif Zainol, Jazaul Ikhsan

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Corresponding Author
Jazaul Ikhsan

Institutions
Universiti Sains Malaysia
Universitas Muhammadiyah Yogyakarta

Abstract
The mining of sand resources from rivers areas especially in Perak (Malaysia) and Yogyakarta (Indonesia) state is a common practice and may lead to destruction of public assets as well as impacts or increase stress on commercial and noncommercial living resources that utilize these areas. This study was carried out to determine possible river sand removal capacity and their consequences towards Perak River (Malaysia) and Progo River (Indonesia). Acoustic Doppler Current Profiler is utilized to make river profiler in term of velocity meshes and river bed depth. It also could measure the total discharge of a particular cross-section. Resistivity Survey is used in determining the availability of potential suitable soil the study area and the equipment could measure subsurface profile up to 80 meters depth. Van Veen Grabber and Helley Smith sediment sampler are used to collect bed soil samples and determine sediment transport at the time of sampling. These two methods could estimate the suitability of available sand material and the flux of sediment transport locally.

Keywords
sand mining, natural resources, sediment transport, removal capacity

Topic
Environment, Health, and Safety

Link: https://ifory.id/abstract/6HTL8y7bGrXW


Sustainable community empowerment through the program of self-sufficient village of non-rice food in Raanan Baru
Tommy Martho Palapa, Aser Yalindua, Alfonds Andrew Maramis

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Corresponding Author
Alfonds Andrew Maramis

Institutions
Department of Biology, Faculty of Mathematics and Natural Sciences, State University of Manado (UNIMA), 95618 Minahasa, Indonesia

Abstract
Raanan Baru, a village which is the capital of West Motoling Subdistrict, South Minahasa Regency has potential in the field of agricultural food crops such as lowland rice, field rice, corn, peanuts, cassava, sweet potatoes, and taro. This potential is less manageable to the maximum because of various problems, such as: cropping systems are still traditional and hereditary, food production is still low, farmers are lack in innovation and limited in creation of agricultural products, non-rice food plants grow wild and not cultivated commercially, farmers knowledge related to market access and opportunities is limited, and many other problems. To address these problems, a community service, Program of Partner Village Development (PPDM) scheme has been carried out for three years (2017-2019) with a focus on developing Raanan Baru Village as a non-rice food independent village. Methods of implementation include: socialization, technical guidance, training, pilot projects, and workshops. The applications of science and technology includes: techniques for cultivating non-rice food crops, improving the quality and diversification of non-rice food crop products, pilot plant projects, and introducing the basics of entrepreneurship for farmer group partners. The results of the implementation of the activity showed an increase in the competitiveness of non-rice farming products (cassava), an improvement in the existence of natural resources, and an increase in community welfare.

Keywords
self-sufficient village, non-rice food, welfare of community

Topic
Urban Development and Resilient Community

Link: https://ifory.id/abstract/XxYVQ4dU9bfj


Sustainable Ecotourism Development in Fatkauyon, Sula Islands District, North Maluku Province
Jamaludin M Tambi (a) Setyo Sarwanto Moersidik (b)

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Corresponding Author
Jamaludin M Tambi

Institutions
School Of Environmental Science Universitas Indonesia, Jalan Salemba Raya No. 4, Kampus UI Salemba, RW.5, Kenari, Kec. Senen, Kota Jakarta Pusat, Daerah Khusus Ibukota Jakarta 10430

Abstract
Ecotourism development with a sustainable approach has a role to protect the preservation of the environment and natural resources, improve the welfare of the community and guide the implementation of regional tourism policies. Sustainable ecotourism in Fatkauyon emphasizes analysis of social conditions and analysis of tourism policies. This research uses a quantitative and qualitative mixed methods approach. Data from the interview results of the socio-economic respondents were analyzed using a Likert scale, and tourism policy respondents were analyzed using a scale Gutman. The results of this study indicate the socio-economic conditions of the community with a level of understanding of ecotourism 96.9% in the good category, the attitude of the implementation of ecotourism 94.3% in the good category, and tourism policies in the moderate category.

Keywords
Sustainable Ecotourism, Social Economic Feasibility, Ecotourism Policy

Topic
Sustainable Development

Link: https://ifory.id/abstract/qNJ7aK82WBjc


Sustainable Tourism Development-S Effect on Land Use in the Coastal Area of Surabaya City
Kartika Eka Sari, Nindya Sari

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Corresponding Author
Kartika Eka Sari

Institutions
Regional and Urban Planning Department, Universitas Brawijaya Malang

Abstract
Surabaya is the capital city of East Java Province that develops coastal tourism activities. Based on Surabaya City RTRW for 2014-2034, the development of coastal tourism in Surabaya is in Bulak District. The district is designated as a development unit III of Tambak Wedi that directed as marine beach tourism. Kenjeran Tourism has a number of tourist destinations including Kenjeran Beach, THP Kenjeran, Kenjeran Park, Bulak Park, Surabaya Park, and Kenjeran Bridge. he development of coastal tourism resulted in many changes in land use and building-s function, mainly affecting the type of land use settlement because people tend to use the front of the house for trading activities and services. This study aims to determine the effect of tourism development on land use in the Kenjeran Area. This study uses overlay analysis and PLS (Partial Least Square) analysis. The results of this study found that tourism development variables affect land use change by 92.2%. Changes in land use are dominated by vacant land and supporting facilities for tourism activities such as trade and services, recreation, tourism, and green open space.

Keywords
Tourism, land use, coastal area

Topic
Sustainable Development

Link: https://ifory.id/abstract/XxLu6YDdhCRt


TABU SEARCH ALGORITHM FOR ROUTE DETERMINATION AND WASTE SCHEDULING TRANSPORTATION IN WEST BANDUNG CITY
Yogi Yogaswara, Ferina Farah Fatin

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Corresponding Author
Yogi Yogaswara

Institutions
Universitas Pasundan

Abstract
PD. Kebersihan Kota Bandung has been facing one of the problems related to vehicle routing since the route used for waste transport by the company currently does not pay attention to the location and distance of the TPS to be visited, resulting in a longer total distance of 564, 30 km. With the current routes, the company does not have a definite schedule of waste transport, this problem concern involve for waste heap. Therefore, VRP research was conducted to determine the transportation of waste routes in West Bandung area by producing solutions that can be proposed to reduce the total distances. The research was solved using the Tabu Search method, the application of this method requires the initial solution. In this study, the saving and sequential method insertion used to create the initial solution, then the initial solution was done repair by using the Tabu Search algorithm. The result of data processing with tabu Search generates 15 routes with the total mileage for each day of 448.48 km. Total distance generated by Tabu Search resulted in a decline of 115.82 km or give a savings of 20.53% from total distance with the current route.

Keywords
Tabu Search, VRP, waste transportation problem

Topic
Sustainable Development

Link: https://ifory.id/abstract/mYGT4ebJDq8L


Taperless Type Blade Design with Naca 5513 Airfoil for Wind Turbine 500 TSD
Eflita Yohana (a*), Nazaruddin Sinaga (a), Ismoyo Haryanto (a), Rahmad Imam Taufik (a), Eka Dharmawan (a)

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Corresponding Author
Eflita Yohana

Institutions
(a) Department of Mechanical Engineering, Engineering Faculty, Diponegoro University
Jalan Prof. H. Soedarto, S.H., Tembalang, Kota Semarang, Jawa Tengah 50275
*Email: efnan2003[at]gmail.com

Abstract
The utilization of wind energy in Indonesia is still low because the average wind speed in Indonesia is low. The design of the HAWT using a NACA airfoil which has a high C / Cd value and produces 500 W of power at wind speeds of 1 m/s up to 11 m/s. The research was conducted in 3 stages. First, the calculation stage to determine the radius, chord and twist of the blade. Second, the initial design stage of the blades is simulated to determine the NACA airfoil that is used and to know the coefficient of performance and power produced. Third, the stage of designing the 3D blade design. The design results show that the HAWT blades with NACA 5513 airfoil taperless type with radius of 0.9 m on the airfoil simulation produced a higher Cl / Cd value with 152.73 when α = 4 °. In the Cp simulation for TSR, the Cp value reaches 20% in TSR 2 up to 10. Meanwhile, in the power wind speed (P - v) simulation, the power generated reaches 500 W at wind speeds of 11 m/s and angular velocity 263 up to 1000 rpm.

Keywords
Blade Design; Taperless; NACA 5513; Wind Turbine

Topic
Energy Conservation and Efficiency

Link: https://ifory.id/abstract/qvN9JXya34gf


TECHNO ECONOMIC ANALYSIS SMALL BIODIESEL PLANT FROM PALM SLUDGE OIL
Arie Wicaksono, Widayat, Singgih Saptadi

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Corresponding Author
Arie Wicaksono

Institutions
Magister Program of Energy, School of Postgraduate Studies, Diponegoro University, Semarang –Indonesia
Chemical Engineering, Diponegoro University, Semarang - Indonesia
Industrial Engineering, Diponegoro University, Semarang – Indonesia

Abstract
The biodiesel production of Palm Sludge Oil uses small-scale production machines (50-70 litters) obtained 91.30% yield. Biodiesel is able to replace diesel oil (HSD) as a fuel boiler for industrial use based on the quality parameters analyzed including methyl ester content, calorie value, flash point, viscosity and density. The production scheme carried out economics analysis includes Net Present value, Internal Rate of Return (compare to bank interests rate) and simple payback period shows this business feasible to be applied

Keywords
Palm Sludge oil, Biodiesel, Techno Economic

Topic
Energy Conservation and Efficiency

Link: https://ifory.id/abstract/v6UZG9LmbyNX


The Analysis of Willingness To Pay of Batik Craftsmen in Kampung Batik Semarang
Sucihatiningsih Dian Wisika Prajanti (a), Fauzul Adzim (b*)

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Corresponding Author
Fauzul Adzim

Institutions
a) Economics of Development Department, Economics Faculty, Universitas Negeri Semarang

b) Master of Economics and Development Studies, Economics Faculty, Universitas Diponegoro
*fauzuladzim58[at]gmail.com

Abstract
This study aimed at determining and analyzing the amount of willingness to pay and factors influencing the amount of willingness to pay to repair environmental damage in Kampung Batik Semarang. This study was a quantitative research, and used primary and secondary data. Meanwhile, the method of analysis used by the researchers to calculate the willingness to pay was CVM (Contingent Valuarion Method) approach. It aimed at obtaining the cost paid by respondents in this study. Then, multiple linear regression with Ordinary Least Square (OLS) method was employed to determine factors influencing WTP values of the Batik craftsmen in Kampung Batik Semarang. The results showed that the average of Willingness To Pay (WTP) of batik craftsmen in Kampung Batik Semarang was Rp. 5,413. Meanwhile the total / aggregate value of WTP in this study amounted to Rp 135,570 per month. Based on the results of multiple linear regression analysis, the variables of income and number of family dependents had a significant influence on the value of WTP. On the other hand, the variables of age and education did not have a significant influence on the value of WTP.

Keywords
Willingness To Pay, Batik, Semarang

Topic
Environment, Health, and Safety

Link: https://ifory.id/abstract/q79RdrWvh4aV


The application of drying technology utilizes integrated energy sources to process various agrucultural products for the people of the border area in Talaud Islands Regency
Jeane Mantiri1, Alfonds Andrew Maramis2, Revolson Alexius Mege2, Janne Deivy Ticoh3

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Corresponding Author
Alfonds Andrew Maramis

Institutions
1 Department of Public Administration, Faculty of Social Sciences, State University of Manado (UNIMA), 95618 Minahasa, Indonesia
2 Department of Biology, Faculty of Mathematics and Natural Sciences, State University of Manado (UNIMA), 95618 Minahasa, Indonesia
3 Department of Electrical Engineering, Faculty of Engineering, State University of Manado (UNIMA), 95445 Tomohon, Indonesia

Abstract
Talaud Islands is a regency in North Sulawesi Province which is the northernmost region of Negara Kesatuan Republik Indonesia. The condition and geographical location make this area included in the category of frontier, outermost, and disadvantaged regions. Consequently, people of this region experience various limitations in utilizing local resources to meet their daily needs. A community service activity, Produk Teknologi yang Didesiminasikan ke Masyarakat scheme has been carried out in this area with the aim of applying technology that utilizes integrated energy sources in the form of solar cells, gas, and closed furnaces in the processing of various agricultural food crop products (corn, soybeans, and beans) and plantations (nutmeg and cloves). The approach method applied in the implementation of this activity is a combination of pilot project methods and the application of technology products especially cabinet-shaped dryer technology that utilizes integrated energy sources for postharvest processing of agricultural food crops and plantations. The technology resulting from the research and development of the implementation team can be applied to meet the needs of the people of the Talaud Islands. The following impact arising from the implementation of this activity is an increase in regional potential and community participation.

Keywords
drying technology, integrated energy sources, postharvest processing in agriculture, regional potential, community participation

Topic
Urban Development and Resilient Community

Link: https://ifory.id/abstract/987Lxv3n4FBM


The bad and good side of Government Mobilization of Health in Community Lead-Total Sanitation (CLTS) in Code Riverbanks Yogyakarta
Relmbuss Biljers Fanda1, Karina Kristanti2, Retna Siwi Padmawati3, Mubasysyir Hasanbasri2

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Corresponding Author
Relmbuss Fanda

Institutions
1 Center for Health Policy and Management, Faculty of Medicine, Public Health and Nursing (FKKMK), Universitas Gadjah Mada, Yogyakarta, Indonesia .
2 Public Health Program, Faculty of Medicine, Public Health and Nursing (FKKMK), Universitas Gadjah Mada, Yogyakarta, Indonesia
3 Department of Health Policy and Management, Faculty of Medicine, Public Health and Nursing (FKKMK), Universitas Gadjah Mada, Yogyakarta, Indonesia

Abstract
The slum area has characteristics such as dense population, living in riverbank, and migrant people dominance and this condition was become challenges to the government of Yogyakarta to fulfill the national goals to declare “stop open defecation” in 2019. The study aimed is to explore the implementation of a CLTS program in urban slums setting. We undertake a qualitative method with a case study design through 16 in-depth interviewees. We selected local government staff and slum dwellers as participants. CLTS Cadres state slum dweller no longer to practice open defecation free, because the governments provide toilet in each lowest administrative division (RT). However, the observation shows some toilets have some problems including no final disposal facilities including septic tank and communal wastewater treatment plant. Furthermore, slum dwellers felt uncomfortable about septic tank next to their house and could not reach the communal wastewater treatment plant due to the difficulty of dense house, higher slope area. The dweller decided to flow disposal directly to the river. The declaration success to force society to maintain their behavior to stop open defecation. However, this program requires the government to collaborate with slum NGOs, Academic Institutions and CBO-s in terms of establishing civil society.

Keywords
Government Mobilization, CLTS, Case study, sanitation, Slum

Topic
Urban Development and Resilient Community

Link: https://ifory.id/abstract/qFTKuLxwyvWV


The Collective Action of Urban Communities in Disaster Risk Reduction: A Case Study in Yogyakarta City
Pandhu Yuanjaya, Hidayatul Fajri

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Corresponding Author
hidayatul fajri

Institutions
Universitas Negeri Yogyakarta, Universitas Negeri Padang

Abstract
The people of Yogyakarta City who live in the watershed always suffer in the rainy season. The threat of flood disaster, landslides and dengue fever has become a routine that has never been resolved. This article aims to discuss collective actions of urban communities in disaster risk reduction. This study used a case study approach. The author chose the research location in Kampung Gambiran, Yogyakarta City, because it could explain the stages of collective action of urban communities in reducing disaster risk faced each year. The findings showed that the collective actions in Kampung Gambiran could reduce disaster risk. The stages of collective action in Kampung Gambiran start from 1) emergence of unrest, 2) the formation of mutual understanding, 3) community communication and 4) achievement of success. The first phase, the emergence of the anxiety of each citizen arised because of the impact of floods, landslides and dengue fever in the rainy season. The social conditions of an individualist society make solutions made with individualism. In the second phase, the community began to communicate because the condition of the disaster did not improve through rembug warga and gotong royong. The third stage, the community declared and formalized the community along with the burning of conditions and the assistance of external parties. In the fourth phase, the development of self-supporting infrastructure received various achievements and initiated the formation of Gajah Wong Forsidas, a joint village community located in the Gajah Wong watershed to mitigate floods. The collective action of the community initiated the city government to create a Program Kampung Hijau, one of which aims to mitigate flood disasters.

Keywords
Collective action, Urban community, Risk reduction

Topic
Sustainable Development

Link: https://ifory.id/abstract/cGukXQxjP3Vw


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