warningsearch for term
The signal word used on labels of pesticides considered to be moderately toxic or hazardous.
water claritysearch for term
The degree to which water is free from particles and easily seen through; the clearness or transparency of water.
water columnsearch for term
A conceptual column of water from lake surface to bottom sediments.
water transparencysearch for term
The amount of light penetrating into the water column.
water-tablesearch for term
The upper limit of the portion of the ground wholly saturated with water.
watershedsearch for term
The area that drains into a river or a lake (separated by a dividing ridge such as a mountain range).