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Updated: Jul 12, 2026

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds
12:50

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds

Published on: September 26, 2017

国の河川における水質の動向

R A Smith, R B Alexander, M G Wolman

    Science (New York, N.Y.)
    |March 27, 1987
    PubMed
    まとめ

    長期にわたる米国の河川の水質の分析は,1974年から1981年までの間に顕著な変化を示しています. 重要な発見は,ニートレート,塩化物,ヒ素,カドミウム濃度の上昇とともに,糞便の細菌と鉛の減少を含む.

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