The hidden hydrology of Groenvlei, a lacustrine wetland near Sedgefield
Saturday 15 August: By Dr Roger Parsons Dr Roger Parsons highlighted the need to embrace the scientific method when undertaking hydrological research and the need for all evidence to support the conceptual understanding of the functioning of the wetland system. The absence of surface run-off prevented rainfall – run-off models being used to quantify the hydrology of the 356 ha wetland located east of Sedgefield in the Garden Route. Rather, a simple water balance approach was used as the component parts (rainfall, evaporation and lake level) are measured daily. Also, the groundwater flow into and out…read more