Lal Muthuwatta Keywords water hydrologist numerical modeling water resources management Read more about Lal Muthuwatta Dr. Lal Muthuwatta is a hydrologist by training with a specialization in numerical modeling for water resources management. His research and professional background include over 20 years of experience in the fields of GIS, remote sensing, and numerical modeling. He has worked in multiple river basins across Asia and Africa, including Ganges, Salween, multiple river basins in Sri Lanka, and Karkheh in Asia; and Volta, Tana, Nile, and Naiwasha in Africa.