To help diagnose generalized anxiety disorder, your health provider may: 1  Do a physical exam to look for signs that your anxiety might be linked to an underlying medical condition. 2  Order blood or urine tests or other tests, if a medical condition is suspected.
Runoff that occurs on the ground surface before reaching a channel is also called a nonpoint source. If a nonpoint source contains man-made contaminants, or natural forms of pollution (such as rotting leaves) the runoff is called nonpoint source pollution.
Runoff ratio is the runoff for each watershed divided by the precipitation for that watershed. of rainfall that does not infiltrate and is not taken up by evapotranspiration, and thus ends up as runoff. the water which infiltrates emerges as baseflow or through springs and seeps and becomes part of runoff.