Hydrologic unit system (United States)
id:
hydrologic-unit-system-united-states-193-12084431
title:
Hydrologic unit system (United States)
text:
For the use of hydrologists, ecologists, and water-resource managers in the study of surface water flows in the United States, the United States Geological Survey created a hierarchical system of hydrologic units. Originally a four-tier system divided into regions, sub-regions, accounting units, and cataloging units, each unit was assigned a unique Hydrologic Unit Code (HUC). As first implemented the system had 21 regions, 221 subregions, 378 accounting units, and 2,264 cataloging units. Over ti
brand slug:
wiki
category slug:
encyclopedia
description:
Watershed tracking system
original url:
https://en.wikipedia.org/wiki/Hydrologic_unit_system_(United_States)
date created:
date modified:
2024-04-02T22:28:08Z
main entity:
{"identifier":"Q117355464","url":"https://www.wikidata.org/entity/Q117355464"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/a/a4/HUC_subregions.png","width":7200,"height":5400}
fields total:
13
integrity:
15