Oasis is a unique geographical system in the arid area, which is stricted by the material and energy flow of the Mountain-Oasis-Desertification system. So, it should focus on the study of the interaction process between the Mountain-Oasis-Desertification system, including the flow of energy among the oasis, desert and the mountains. This paper takes Yutian Oasis as an example, using Landsat TM/ETM+ as the data source and the temperature as an index to study the interaction process of the Mountain-Oasis-Desertification system. The article analyzed the oasis average temperature distribution, and the result showed that the surface temperature is determined obviously by underlying surface type and surface land type distribution influences the overall distribution of land temperature. Through the different temperature chart, it is found that the distribution of temperature is impacted by the spatial distribution of different land use types. The temperature trend analysis on Keriya River downstream obtained the result that in the north-south direction, there is no temperature change, and in east-west direction, the temperature changes obviously. Meanwhile, the influence range to both channel of Keriya River is limited.
ZHANG Fei, TASHPOLAT稵iyip, TIAN Yuan, DING Jian-Li, MAMATSAWUT
. Study on Distribution Characteristics of Spatial Thermal Environment of Yutian Oasis Based on RS Image[J]. SCIENTIA GEOGRAPHICA SINICA, 2011
, 31(6)
: 688
-694
.
DOI: 10.13249/j.cnki.sgs.2011.06.688
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