１９９９年８月８日～８月１２日在美国华盛顿州西雅图市召开了美国土木学会１９９９年水资源工学国际会议。这次会议是由美国土木学会、水资源工学部门主办的有关河川、水资源、灌溉等领域的国际会议。 会议的主题是“新世纪的水资源研究成果与新的挑战”，即在评论２０世纪末 From August 8 to August 12, 1999, the American Society of Civil Engineers International Conference on Water Resources Engineering was held in Seattle, Washington. This conference is sponsored by the American Society of Civil Engineering, Water Resources Engineering Department of the International Conference on river, water resources, irrigation and other fields. The theme of the conference was “Achievements and New Challenges in Water Resources Research in the New Century”, that is, at the end of the commentary on the 20th century