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1 水源污染原因分析1.1 区间支流来水影响小浪底到花园口河段为黄河中游丘陵峡谷河道向下游平原游荡性河道过渡河段,区间有洛河、沁蟒河以及汜水河、新蟒河等支流汇入。伊、洛河上游大部分为山区,社会经济相对落后,污染源数量和规模一般较小,下游社会经济相对发达,污染源数量和规
1 Analysis of water pollution 1.1 Inter-regional tributary water impact Xiaolangdi to Huayuankou section of the middle reaches of the Yellow River Hilly gully river downstream to the plains of the transitional plains wandering River, the interval of Luo River, Qin Manghe River and Huang River, the new python River Imported tributaries. Most of the upper reaches of Iraqi and Luohe are mountainous areas with relatively backward socio-economic conditions. The number and size of sources of pollution are generally small. The socio-economic conditions in the lower reaches are relatively developed. The number of pollution sources and regulations