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本文所述的陕北黄土高原主要是指除去长城沿线以北风沙区以外的榆林、延安两地区。面积约66398平方公里。这里水土流失严重。在黄河陕县站多年平均输沙量16亿吨中51.8%来自黄河中游的陕北黄土高原。正确地划分土壤侵蚀类型是认识区域水土流失特点和治理水土流失不可缺少的一项
The Loess Plateau in northern Shaanxi mainly refers to the removal of Yulin and Yan’an areas except the north wind and sand area along the Great Wall. An area of about 66398 square kilometers. Soil and water loss is serious here. 51.8% of the 1.6 billion tons of sediment transported by the Yellow River Shaanxi Station for many years came from the Loess Plateau of North Shaanxi in the middle reaches of the Yellow River. Correctly dividing the types of soil erosion is an indispensable item to recognize the characteristics of regional soil erosion and control soil and water loss