Validation of national land-cover characteristics data for regional water-quality assessment
Geocarto International
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Abstract
Land-cover information is used routinely to support the interpretation of water-quality data. The Prototype 1990 Conterminous US Land Cover Characteristics Data Set, developed primarily from Advanced Very High Resolution Radiometer (AVHRR) data, was made available to the US Geological Survey's National Water-Quality Assessment (NAWQA) Program. The study described in this paper explored the utility of the 1990 national data set for developing quantitative estimates of the areal extent of principal land-cover types within large areal units. Land-cover data were collected in 1993 at 210 sites in the Central Nebraska Basins, one of the NAWQA study units. Median percentage-corn estimates for each sampling stratum wre used to produce areally weighted estimates of the percentage-corn cover for hydrologic units. Comparison of those areal estimates with an independent source of 1992 land-cover data showed good agreement. -Authors
Suggested Citation
Zelt, R.B., Brown, J.F., and Kelley, M., 1995, Validation of national land-cover characteristics data for regional water-quality assessment: Geocarto International, v. 10, no. 4, p. 69-80, https://doi.org/10.1080/10106049509354514.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Validation of national land-cover characteristics data for regional water-quality assessment |
| Series title | Geocarto International |
| DOI | 10.1080/10106049509354514 |
| Volume | 10 |
| Issue | 4 |
| Year Published | 1995 |
| Language | English |
| Publisher | Taylor & Francis |
| Contributing office(s) | Earth Resources Observation and Science (EROS) Center |
| Description | 12 p. |
| First page | 69 |
| Last page | 80 |