Lake Decatur

The Lake Decatur watershed covers 925 square miles in central Illinois. This area is the subject of study for DHARMA, an NSF-funded project researching large-scale simulation of soil erosion using distributed computing processes. These images were created for DHARMA.

	Landsat 321 (Natural Color) image, with watershed boundary indicated by blue line. Spatial resolution is 60mx60m. 1592x1776; 465k
	Landsat 432 (False Color) image, resolution 60mx60m 1592x1776; 635k
	Landsat 4321 (False/True Color mix) image of Decatur and Lake Decatur, resolution 30mx30m 1192x876; 189k
	Terrain relief view of the Lake Decatur watershed (indicated by the red line). Contour line interval is 5 meters. 1280x720; 209k