Water science news, explainers, and statistics covering freshwater, hydrology, lakes, rivers, groundwater, ice, and Earth’s connected water systems.
Lake Edward lies on the border between Uganda and the Democratic Republic of the Congo in the western branch of the East African Rift. It sits just south of the equator, between Uganda’s Queen Elizabeth National Park and Congo’s Virunga National Park. The lake’s setting places open water, rift escarpments and some of Africa’s richest…
More
Grand Lake is the deepest natural lake in Colorado. Northern Water, the regional agency that operates the connected Colorado-Big Thompson system, gives its maximum depth as 265 feet. A U.S. Geological Survey inventory published an approximate depth of 250 feet, while 389 feet appears in many secondary references. The official figures therefore conflict and no…
The Lake Michigan watershed is all the land where surface water drains toward Lake Michigan through streams, rivers, wetlands or direct runoff. It reaches into Michigan, Wisconsin, Indiana and Illinois. Its boundary follows high ground between neighboring drainage systems, so it does not match state or county lines and includes much more than the immediate…
Habitat loss in the Great Lakes has removed or degraded coastal wetlands, tributary connections, shallow reefs, beaches, dunes, forests and other places that native species use. Filling and draining converted large areas outright. Dams, hardened shorelines, polluted sediment, invasive species and altered water or sediment movement have reduced the ecological function of habitat that remains.…
