A digital elevation model (DEM) of Lake Towuti and its surrounding was calculated using ArcGIS (Esri, Inc., Redlands, CA, USA). The model is based on open source satellite data...
Colloids were isolated from SSHO soil samples collected for another study. Colloids were isolated by shaking soil in Milli-Q water, centrifuging to remove particles >1 micron, and then passing the sus