Land-cover change in the conterminous United States was quantified by interpreting change from satellite imagery for a sample stratified by 84 ecoregions. Gross and net changes between 11 land-cover classes were estimated for 5 dates of Landsat imagery (1
Benjamin M. Sleeter,Terry L. Sohl,Thomas R. Loveland,et al. Land-cover change in the conterminous United States from 1973 to 2000[J]. Global Environmental Change-Human and Policy Dimensions,2013-01-01,Volume 23(Issue 4):Pages 733-748.