Natural & impervious cover diagrams EPA
Författare/Upphovsman:
U.S. Environmental Protection Agency, Washington, D.C.
Kreditera:
U.S. Environmental Protection Agency, Washington, D.C. "Protecting Water Quality from Urban Runoff." Document No. EPA 841-F-03-003
Kort länk:
Källa:
Upplösning:
762 x 367 Pixel (106615 Bytes)
Beskrivning:
Illustration of relationship between impervious surfaces and surface runoff
Licens:
Public domain
Licenskommentaren:
This image (or other media) is a work of an Environmental Protection Agency employee, taken or made as part of that person's official duties. As works of the U.S. federal government, all EPA images are in the public domain.
Mer information om licensen för bilden finns här. Senaste uppdateringen: Sun, 14 Apr 2024 06:58:35 GMT