| 西藏羊八井辐射观测初步分析 |
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| 引用本文： | 单增罗布,朱振岭,次仁尼玛,格桑卓玛.西藏羊八井辐射观测初步分析[J].南京气象学院学报,2012,35(4):495-501. |
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| 作者姓名： | 单增罗布 朱振岭 次仁尼玛 格桑卓玛 |
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| 作者单位： | 西藏大学理学院物理系,西藏拉萨,850000 |
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| 基金项目： | 西藏自治区中青年自然科学基金资助项目，人力与社会资源保障部留学人员科技活动择优资助项目(人社厅函[2010]412号).观测资料由中国科学院大气物理研究所羊八井大气多要素观测系统提供.谨致谢忱! |
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| 摘 要： | 利用西藏羊八井2009年5月至2010年4月的辐射观测数据，统计了总辐射、紫外辐射、长波辐射、净辐射的日变化、月变化和季节变化，并分析了地表辐射超过太阳常数的发生频率及原因。结果表明，羊八井地区总辐射、紫外辐射、长波辐射、净辐射均表现出明显的日变化、月变化和季节变化特征；总辐射与地表短波反射辐射、总辐射与紫外辐射均表现出明显的正相关关系；大气逆辐射和地表长波辐射之间呈现出一定的的正相关关系。
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| 关 键 词： | 羊八并 辐射 日变化 月变化 季节变化 |
Preliminary analyses on radiation in Yangbajing of Tibet |
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| Institution: | Danzengluobu, ZHU Zhen-ling, Cirennima, Gesangzhuoma ( Department of Physics, Science School, Tibet University, Lhasa 850000, China) |
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| Abstract: | Based on the radiation data from May of 2009 to April of 2010 at Yangbajing in Tibet,the daily, monthly and seasonal variations of total radiation, ultraviolet radiation, long-wave radiation and net radiation were discussed and the frequency and reasons why the radiation exceeds the solar constant were analyzed. The results show that the total radiation, ultraviolet radiation, long-wave radiation and net radiation in Yangbajing area present obvious daily, monthly and seasonal variation characteristics. There is a positive correlation between the total radiation and ultraviolet radiation, between the total ra-diation and short-wave reflected radiation over earth surface and between the downward atmospheric ra-diation and long-wave reflected radiation over earth surface. |
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| Keywords: | Yangbajing radiation diurnal variation monthly variation seasonal variation |
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