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| Characteristics of Desert Improving Temperature Effect an d Distribution of Oasis Agricultural Heat Resource |
| ZHANG Feng-hua1,2, LAI Xian-qi1, PAN Xu-dong1 |
1. College of Agronomy and Biotechnology, China Agricultural University, Beijing 100094;
2. Oasis Eco-Agricultural Key Laboratory of Xinjiang Production and Construction Crops, Shihezi 832003, Xinjiang, China |
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Abstract In order to further understand the heat resource distribution about oases high-efficiency agriculture, the study focused on characteristics of desert improving temperature effect was conducted. Results showed that the effect changes along with the distance from desert, and desert will add average temperature about 1.76℃ to oasis in the scope of 100 km. Moreover, the desert improving temperature effect can cause some weather characteristics, such as larger temperature variance of day and year, dry-hot wind and cold damage in oasis. Due to the differentiation about area, landforms of desert, the forming reason and function degree of desert improving temperature effect are not same, which incarnates the different distribution regulation of oasis agriculture heat resource. Further, the oasis of northwest China arid region can be classified into five different types.
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Received: 20 July 2003
Published: 20 December 2004
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2004, Vol. 24 
