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西拉木伦河属辽河水系,发源于大兴安岭南端的昭乌达高原,源头为沙里漠河和萨里克河,东至科尔沁沙地北缘的通辽。本文所涉及的范围,包括克什克腾旗南部、林西县、巴林右旗、巴林左旗和翁牛特旗北部的西拉木伦河流经区域,方位大体在北纬43°～44°、东经117°～120°之间。这里地处蒙古高原向辽河平原的过渡地带,地势西高东低,西部多山地和狭长的河川谷地,东部为较开阔的洪积平原,间有沙地及
Xilamulun River belongs to the Liaohe River system. It originates from the Zhaowuda Plateau at the southern tip of the Greater Hinggan Mountains. Its source is Shali Mohe and Salike River and Tongliao to the northern margin of Horqin Sandy Land. The scope of this paper covers the areas of southern Kixngteng Banner, Linxi County, Bahrain Right Banner, Bahrain Left Banner and the northern Wamnit Banner of the Western Lammlun River flowing through the region with orientations ranging from 43 ° N to 44 ° N, Longitude 117 ° ~ 120 ° between. Here is located in the transitional zone of the Mongolia Plateau to the Liaohe Plain, the terrain west high low east, western mountainous and narrow river valleys, the eastern part of the more open flood plain, between the sand and