Data from selected U.S. Geological Survey National Stream Water-Quality Networks (WQN)

Alexander, Richard B.; Slack, J. R.; Ludtke, A. S.; Fitzgerald, K. K.; Schertz, T. L.; Briel, L. I.; Buttleman, K. P.

Abstract:

This CD-ROM set contains data from two USGS national stream water-quality networks, the Hydrologic Benchmark Network (HBN) and the National Stream Quality Accounting Network (NASQAN), operated during the past 30 years. These networks were established to provide national and regional descriptions of stream water-quality conditions and trends, based on uniform monitoring of selected watersheds throughout the United States, and to improve our understanding of the effects of the natural environment and human activities on water quality. The HBN, consisting of 63 relatively small, minimally disturbed watersheds, provides data for investigating naturally induced changes in streamflow and water quality and the effects of airborne substances on water quality. NASQAN, consisting of 618 larger, more culturally influenced watersheds, provides information for tracking water-quality conditions in major U.S. rivers and streams.

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USGS Numbered Series

ProdID:

4849

Citation Author:

Alexander, Richard B.; Slack, J. R.; Ludtke, A. S.; Fitzgerald, K. K.; Schertz, T. L.; Briel, L. I.; Buttleman, K. P.

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ENGLISH

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720000

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243000

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-670000

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-1800000

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2 computer laser optical discs :col. ;4 3/4 in.

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The Survey ; Branch of Information Services [distributor],

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Data Series

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Data from selected U.S. Geological Survey National Stream Water-Quality Networks (WQN); 1996; DS; 37; Alexander, Richard B.; Slack, J. R.; Ludtke, A. S.; Fitzgerald, K. K.; Schertz, T. L.; Briel, L. I.; Buttleman, K. P.