论文部分内容阅读
1995年6月6～19日,由水利部李国英副总工带队,水利部科技司和黄委会共同组织,邀请国家计委、国家科委有关领导和专家,组成20余人的考察组,对黄河中游多沙粗沙区进行了一次较大规模的考察。考察后提出,应将多沙粗沙区治理开发列为国家基本建设重点项目,加强领导,加强治理。黄河中游多沙粗沙区,主要指黄河河口镇至龙门区间以及北洛河、泾河上游,面积约10万km~2,这里不仅水土流失特别严重,而且黄河粗泥沙(粒径大于0.05mm)的90%以上来自这
June 6-19, 1995, led by Vice Minister Li Guoying, Ministry of Water Resources, Science and Technology Department of Ministry of Water Resources and the Yellow River Committee jointly organized and invited the State Development Planning Commission and State Science and Technology Commission leaders and experts to form an inspection team of more than 20 people. A large-scale study was carried out on the coarse and coarse sand area in the middle reaches of the Yellow River. After the inspection, it was suggested that the governance and development of the large and medium-coarse sand area should be listed as the key projects of the national capital construction, strengthen the leadership and strengthen the governance. In the middle reaches of the Yellow River, the coarse and coarse sand area mainly refers to the upper reaches of the Yellow River from Hekou to Longmen and the upper reaches of North Luohe and Jinghe, with an area of about 100,000 km ~ 2. Not only the soil erosion is particularly serious, but coarse sediment of the Yellow River More than 90% of mm comes from this