Indonesia Conference Directory

NURUL PRATIWI. Determination of Salinity and Temperature at the base of the Tallo River Estuary (guided by Mukhsan Putra Hatta and Akhmad Sumakin). In the waters of the Tallo River there is an interaction between fresh water and sea water. This interaction is one of the influences on the spread of salinity. Also there are driving factors such as tides that greatly affect the value of salinity. The purpose of this study is to describe the distribution of salinity at the bottom and how the relationship between temperature affects salinity, especially during high tide conditions. Data was collected at the base of the Tallo River Estuary with a distance between 400m. By using ADCP (Acoustic Doppler Current Profiler) and CTD (Conductivity Temperature Depth) tools. The pattern of salinity distribution is illustrated by the ArcGis 10.3 The results showed an increase in salinity found in the Muara Tallo area during high tide and low tide conditions up to a distance of 3.6 km, as well as the close relationship between temperature and salinity which showed directly proportional and related results. And based on water clarification, the area of the Tallo river estuary can be categorized as mostly brackish water.