Human-impacted water resources

Domain stratification and mapping to determine hydrologically similar units

Kasey J. Hutchinson, David A. Haynes, Jerald L. Schnoor

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Geographic Information Systems (GIS) and multivariate statistical analyses were used to partition the United States into Human Influenced Water Environmental Classes (HIWECs) for the purpose of determining hydrologically similar units within the conterminous United States. Such a framework could be used to investigate various categories of watersheds throughout the country or to establish observatory sites in variant hydrologies. These HIWECs represent areas that are relatively homogeneous with respect to the human influence variables of land cover, population density, and water use; the climate variables of temperature and precipitation; and the physical variables of slope, bedrock permeability, and soil permeability. These variables combine to characterize hydrologic condition and collectively represent the major hydrologic variability that exists across the U.S. GIS was first used to break each of the variables into low to high ranges. Multivariate statistics were then used to identify and cluster areas that share similar characteristics in multivariate data space. HIWECS can serve as a framework for development of water research and management; observatory sites can be selected to capture variant hydrologies that incorporate the human influence element with the criteria that each type of human-influenced hydrologic condition, or class, be represented.

Original languageEnglish (US)
Pages (from-to)7890-7896
Number of pages7
JournalEnvironmental Science and Technology
Volume44
Issue number20
DOIs
StatePublished - Oct 15 2010

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Water resources
stratification
water resource
Water
Observatories
observatory
permeability
Geographic information systems
water
water use
bedrock
population density
land cover
Watersheds
watershed
Statistics
climate
Soils
soil
temperature

Cite this

Human-impacted water resources : Domain stratification and mapping to determine hydrologically similar units. / Hutchinson, Kasey J.; Haynes, David A.; Schnoor, Jerald L.

In: Environmental Science and Technology, Vol. 44, No. 20, 15.10.2010, p. 7890-7896.

Research output: Contribution to journalArticle

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