沙漠增温效应下绿洲热量资源估算模型——以准噶尔盆地为例

摘要/Abstract

摘要： 绿洲是干旱区荒漠生态系统中最为精华的区域,特殊的气候资源条件及其组合效应是形成绿洲特色高效农业的基础。在暖季,由于沙漠的增温效应,使绿洲的热量资源比同纬度地区更优越。以准噶尔盆地南缘古尔班通古特沙漠及石河子绿洲为对象开展研究,从时间、空间角度分析了沙漠增温影响下绿洲不同部位的热量条件、分布特点及变化规律等。并提出沙漠增温系数Z,Z可反映沙漠对与其相邻的特定地理位置的绿洲热量影响敏感程度,解释沙漠和绿洲间的热量联系及沙漠本身的热效应。借助沙漠增温系数,建立了石河子绿洲主要热量要素的估算模型,可以相对动态地估算绿洲区域不同时空尺度的热量状况。

关键词: 沙漠, 增温效应, 绿洲, 热量资源估算模型

Abstract: Oasis is the most essential area of desert eco-system in arid and semi-arid regions. During warm season, heat resource of the oasis is more superior than other region in the same latitude due to the warming effect of the desert. Taking the Gurbantunggut Desert and the Shihezi Oasis in the Junggar Basin as an example, the temporal-spatial distribution and changes of oasis heat resources under warming effect of desert were analyzed. A warming coefficient(Z) was put forward to reflect the sensitivity of oasis temperature change to desert. Based on warming coefficient, a estimation model of oasis heat resources was established, and the model could estimate dynamically spatial and temporal characteristics of oasis heat resources.

Key words: desert, warming effect, oasis, heat resources estimation model

中图分类号:

S161.21

张凤华;赵强. 沙漠增温效应下绿洲热量资源估算模型——以准噶尔盆地为例[J]. 中国沙漠, 2011, 31(1): 149-155.

ZHANG Feng-hua;ZHAO Qiang. Estimation Model of Oasis Heat Resources under Warming Effect of Desert in Junggar Basin[J]. JOURNAL OF DESERT RESEARCH, 2011, 31(1): 149-155.

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