Impact of Agriculture on Water Quality: A Survey of Five States' Data Bases and Information Systems, The
调查了美国五个州（爱荷华、堪萨斯、北达科他、俄勒冈、威斯康星）的农业水质数据库与信息系统，比较各州的农业活动、水文环境、水质监测等，为环境数据收集与分析提供讨论框架。
Growing concern over water contamination from agricultural activities has prompted an expanded effort by states to design policies and programs to monitor and mitigate the contamination problem. Data limitations have forced states to focus first-round policy initiatives on data collection and monitoring efforts, as well as on funding research centers and research projects. Data bases and information systems pertaining to agriculture and water quality were surveyed for five states--Iowa, Kansas, North Dakota, Oregon, and Wisconsin. For these five states, a total of over fifty state agencies, state offices of federal agencies, and research centers were visited. The states are compared in terms of their agricultural activities, hydrogeologic environments, water use, evidence of water contamination, legislation, state agencies, water quality monitoring systems, data bases, and research projects. The comparison provides a framework for discussion of issues related to collection, analysis, and archiving of environmental data.