As communities become more urbanized, rooftops, roadways, parking lots, and other impervious surfaces replace natural ground cover. As impervious surfaces increase, run-off increases and infiltration into the ground decreases.
- Categories
-
Archives
- May 2010
- October 2008
- August 2008
- July 2008
- May 2008
- April 2008
- March 2008
- February 2008
- January 2008
- July 2007
- June 2007
- May 2007
- April 2007
- March 2007
- February 2007
- January 2007
- December 2006
- November 2006
- October 2006
- September 2006
- August 2006
- July 2006
- June 2006
- May 2006
- April 2006
- March 2006
- February 2006
- January 2006
