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luan nan xian yu hong zi yuan li yong qian xi
Author(s): 
Pages: 41
Year: Issue:  8
Journal: Hebei Shuili

Abstract:  滦南县位于河北省唐山市东南部,北承燕山山脉,南临渤海,总面积1270km2,海岸线长94km,县域内现有耕地109万亩,总人口58.18万.境内地形为北高南低、西高东低,呈北西--南东向平缓倾斜.海拔高程自北至南在30~1m之间,地面纵坡1/3000;除北部、西部有部分高岗沙丘外,地势较为平坦.全境气候属暖温带半湿润性季风气候,四季分明,雨热同季.多年平均水面蒸发量611.3mm;6~9月降雨量...
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