Nguồn ô nhiễm nước có thể được phân loại rộng rãi thành hai loại: điểm nguồn và các nguồn nonpoint. Nguồn điểm có thể dễ dàng xác định với công nghiệp các nguồn như sản xuất, chế biến, sản xuất điện, và xử lý chất thải các cơ sở nơi các chất ô nhiễm được phân phối thông qua một đường ống (điểm xả). trong Ngược lại, nonpoint, hoặc khuếch tán, các nguồn bao gồm các lĩnh vực như lĩnh vực nông nghiệp, bãi đậu xe rất nhiều, và các khóa học golf. Nonpoint chất gây ô nhiễm như trầm tích, chất dinh dưỡng, thuốc trừ. | AGRICULTURAL NONPOINT SOURCE POLLUTION Watershed Management and Hydrology Edited by William F. Ritter Adel Shirmohammadi LEWIS PUBLISHERS Boca Raton London New York Washington . 2001 by CRC Press LLC Library of Congress Cataloging-in-Publication Data Agricultural nonpoint source pollution watershed management and hydrology edited by William F. Ritter Adel Shirmohammadi p. cm. Includes bibliographical references. ISBN 1-56670-222-4 alk. paper 1. Agricultural pollution--Environmental aspects--United States. 2. Nonpoint source pollution--United States. management--United States. 4. Water quality management--United States. I. Ritter William F. II. Shirmohammadi Adel A362 2000 .684 dc21 00-046349 CIP This book contains information obtained from authentic and highly regarded sources. Reprinted material is quoted with permission and sources are indicated. A wide variety of references are listed. Reasonable efforts have been made to publish reliable data and information but the author and the publisher cannot assume responsibility for the validity of all materials or for the consequences of their use. Neither this book nor any part may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying microfilming and recording or by any information storage or retrieval system without prior permission in writing from the publisher. All rights reserved. Authorization to photocopy items for internal or personal use or the personal or internal use of specific clients may be granted by CRC Press LLC provided that .50 per page photocopied is paid directly to Copyright Clearance Center 222 Rosewood Drive Danvers MA 01923 USA. The fee code for users of the Transactional Reporting Service is ISBN 0-1-56670-222-4 01 .50. The fee is subject to change without notice. For organizations that have been granted a photocopy license by the CCC a separate system of payment has been arranged. The consent of CRC .
