辽河位于我国东北的南部,蜿蜒迂回流经河北、内蒙、吉林和辽宁四个省区,在辽宁境内盘山县注入渤海,全长1430公里。辽河水系包括辽河、浑河、太子河、绕阳河,流域总面积229,400平方公里,其中山区占48.2％,丘陵占21.5％,平原占24.3％,沙丘、湖泡占6％。辽河流域属温带季风型大陆性气候。年平均气温在2.5℃至9℃之间。年降水量在300至1000毫米之间,自东南向西北递减。 Located in the southern part of northeast China, the Liaohe River flows through the four provinces and autonomous regions of Hebei, Inner Mongolia, Jilin and Liaoning provinces and infuses Bohai into Panshan County in Liaoning Province with a total length of 1430 kilometers. The Liaohe River system includes Liaohe River, Hunhe River, Taizi River and the surrounding Yanghe River. The basin covers a total area of ​​229,400 square kilometers, with 48.2% in mountainous areas, 21.5% in hills, 24.3% in plain and 6% in dunes and lakes. Liaohe River Basin is a temperate monsoon-type continental climate. The annual average temperature between 2.5 ℃ to 9 ℃. Annual precipitation between 300 to 1000 mm, decreasing from southeast to northwest.