Cook Inlet Basin Study Unit – Ecoregions

nawqa_ecoreg is a polygon coverage of the ecoregions contained in the Cook Inlet National Water-Quality Assessment (NAWQA) study unit. This coverage was developed by clipping a statewide coverage developed by Gallant and others in 1995 and is described in "Ecoregions of Alaska", USGS Professional Paper 1567. The original coverage was published at 1:2,000,000. nawqa_ecoreg is in the Albers Conical Equal Area projection and contains 51 polygons, 50 points, and 1899 strings.

The dataset was produced as a framework for organizing and interpreting environmental data. This coverage along with other coverages of the Cook Inlet NAWQA study unit will be used as a guide in designing the water-quality sampling scheme for the Cook Inlet Basin.

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National Water Quality Assessment (NAWQA)—Cook Inlet Basin Study Unit
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Ecoregions of the Cook Inlet Basin - National Water-Quality Assessment Program
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Додаткова інформація

Поле	Значення
Останнє оновлення	Грудень 17, 2019, 10:21 (AKST)
Створено	Грудень 17, 2019, 10:21 (AKST)
Статус	Complete
Data Types	GIS
End Date	1997-06-18
ISO Topics	biota, environment, geoscientificInformation
Geo-keywords	Kenai Peninsula, Southcentral