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基于GIS的内蒙古林业气候区划 预览 被引量:2

Forestry Climatic Division in Inner Mongolia Based on GIS
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摘要 利用水热因子的三维空间分布开展内蒙古地区林业气候区划,结果表明:内蒙古地区雨量带呈东西向带状分布规律,温度在南北分布基础上受地形影响较为明显,潜在蒸散量更多体现了水热因子的综合影响。区划结果显示,乔木适宜区主要分布在呼伦贝尔市东北大部、大兴安岭岭南到燕山北麓地区及内蒙古中部的阴山山脉,荒漠区主要以阿拉善盟为主,中间为过渡乔木适宜亚区、选择性乔灌种植区和无乔草原灌木混生区。该区划结果与下垫面植被基本一致,表明蒸发和降水指标选取的较为合理。 Based on the monthly meteorological data of 116 weather stations in Inner Mongolia during 1981-2010,the forestry climatic division was studied through three-dimensional spatial distribution of hydrothermal factor in Inner Mongolia. The results indicate that the precipitation appeared east-west zonal distribution,the temperature was significantly affected by the latitude and terrain,and the potential evaporation was more influenced by the combination of water and heat factors in Inner Mongolia. The suitable planting area of trees mainly distributed in most areas of northeastern Hulunbuir city,from the southern slope of Great Khingan to the northern foot of Yanshan mountains and Yinshan mountains in the central of Inner Mongolia,the desert mainly distributed in Alxa League,and their transitional zone was sub-suitable tree area,selective tree and shrub planting region,shrub and grassland coupled zone. The result of forestry climatic division was highly consistent with the covering of surface vegetation in Inner Mongolia,which indicated that the selection of division indexes to evaporation and precipitation was more reasonable,and it would be conducive to the plantation construction and ecological protection and restoration.
作者 代海燕 都瓦拉 王晓江 李丹 安丽娟 DAI Haiyan1, DU Wala1, WANG Xiaojiang2, LI Dan1, AN Lijuan3(1. Ecology and Agricultural Meteorology Centre of Inner Mongolia, Hohhot 010051 , China; 2. Inner Mongolia Academy of Forestry Science,Hohhot 010010,China; 3. Climate Centre of Inner Mongolia,Hohhot 010051,China)
出处 《干旱气象》 2017年第2期337-341,共5页 Arid Meteorology
基金 国家自然科学基金(41461102) 林业公益性行业专项(201304206) 内蒙古自治区自然科学基金(2016MS0376)共同资助
关键词 林业气候区划 降雨量 潜在蒸散量 湿润指数 forestry climatic division precipitation potential evaporation humidity index
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