 area = 0.6 sqkm Nancy P. Mduma, Hans C. Komakech, Jing Zhang and Alfred N. Muzuka, "APPLICATION OF ISOTOPES AND WATER BALANCE ON LAKE DULUTI-GROUNDWATER INTERACTION, ARUSHA, TANZANIA," Manuscript under review for Hydrology and Earth System Sciences, published 8 June 2016, p. 3, online at https://www.hydrol-earth-syst-sci-discuss.net/hess-2016-176/hess-2016-176.pdf .