An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

NAL Agricultural Thesaurus
U.S. Department of Agriculture

Concept Breadcrumbs

Fields of Study > hydrology > water table > perched water table
Natural Resources, Conservation, Environment > hydrology > water table > perched water table
Preferred Term:

perched water table

Definition:
The upper surface of a local zone of soil water saturation held above the main body of groundwater by an impermeable layer or stratum, (usually clay) and separated from the main body of groundwater by an unsaturated zone.
Concept Schemes:
NALT Full
Broader Concept:
water table
URI:
https://lod.nal.usda.gov/nalt/57413
Download this Concept:
RDF/XMLCreated 2006-01-19, last modified 2014-11-13