[Watersheds] USGS estimates parking lot coverage in US

[Panciera, Ernie (DEM)]

USGS estimates impervious parking lot coverage for all 3,109 U.S. counties<https://urldefense.proofpoint.com/v2/url?u=http-3A__email.wef.org_c_11nGeecjlkhItwkkioULQOuY&d=DwMFaQ&c=tSLbvWYfvulPN3G_n48TUw&r=5VkZ15yiEt6mwyMpCAYJXGGEMNFMwxGWC1VY15u9VN0&m=wMpY6wjpypiv-bRrOR_GJ2UKZjOvwuQMb6PvQRtgs6U&s=_BPia7L7_kWrYtwVJWlznRFW-GoNnxz7hUuzdU0AAqY&e=>

Accommodating the immense number of vehicles in the U.S. requires an enormous network of parking lots, the vast majority of which are made of impervious pavement that rainwater cannot infiltrate. Until now, researchers have been unable to gauge the full extent of impervious parking lot coverage in a scientifically sound way. In May, the U.S. Geological Survey (USGS) released a new model that uses land-use data to estimate the amount of land in the lower 48 U.S. states covered by impervious parking lots. USGS estimates that about 5.5% of all developed land in the U.S. is covered by parking lots. [email.wef.org]<https://urldefense.proofpoint.com/v2/url?u=http-3A__email.wef.org_c_11nGggW5JgSlUFq3PueVXsMr&d=DwMFaQ&c=tSLbvWYfvulPN3G_n48TUw&r=5VkZ15yiEt6mwyMpCAYJXGGEMNFMwxGWC1VY15u9VN0&m=wMpY6wjpypiv-bRrOR_GJ2UKZjOvwuQMb6PvQRtgs6U&s=T2pkdcATdUnKp98Vq1MMd0YwjV0LPcJ4m6oG-oSThtQ&e=>
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