| Weather and Climate |
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| Surface Radiation Budget in Hinterland of the Taklimakan Desert |
| LI Shuai1, HU Lie-qun1, HE Qing2, XU Zhi-de3, WU Xin-ping4 |
1.Urumqi Meteorological Satellite Ground Station, China Meteorological Administration, Urumqi 830011, China;
2.Institute of Desert Meteorology, China Meteorological Administration, Urumqi 830002, China;
3.Xinjiang Regional Administration of Civil Aviation Administration of China, Urumqi 830016, China;
4.Tazhong Meteorological Station of Qiemo County, Qiemo 841000, Xinjiang, China |
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Abstract The surface radiation budget over the mobile dune and effect of cloud and dust on it were calculated and analyzed based on the radiation data observed at Taklimakan Atmosphere and Environment Observation and Experiment Station (Tazhong observation station) in the hinterland of the Taklimakan Desert. The global solar radiation may be close to the solar constant in some specific weather conditions in summer. The characteristics of radiation budget are quite different under different weather conditions in Tazhong. The global solar radiation is affected the most obviously by dust and cloud weather and its changing amplitude is also the most, and the global solar radiation value in sandstorm day is 80% less than that in sunny day. The daily variation trend of reflecting radiation is consistent with the global solar radiation in different weather conditions in four seasons. The dust and cloud weather has less effect on the downward long wave radiation, and make it increased appreciably; the dust and cloud weather has the least effect on the upward long wave radiation, and the resulted decrease is 10% less than that in a clear day. The net radiation decreases appreciably in the cloudy day, and decreases obviously in the dust day and becomes a negative value. The characteristics of the average daily variation during the experiment period are very close to that in a clear day. The ratios of the average values of the global radiation and the net radiation during the experiment period to that on a clear day are all more than 0.7, which shows that the cloud and dust weather has obvious effect on radiation budget in Tazhong.
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Received: 28 February 2011
Published: 20 July 2012
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2012, Vol. 32 
