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地球科学进展  2008, Vol. 23 Issue (3): 299-305    DOI: 10.11867/j.issn.1001-8166.2008.03.0299
全球变化     
浙江省高分辨率太阳直接辐射图的计算和绘制
李梦洁1,郑建飞2,曾燕3,邱新法4,杨羡敏2
1. 南京信息工程大学大气科学学院,江苏 南京 210044;2. 丽水市气象局,浙江 丽水 323000;3. 江苏省气象科学研究所,江苏 南京 210008;4. 南京信息工程大学遥感学院,江苏 南京 210044
Distributed Modeling of Direct Solar Radiation over Rugged Terrains of Zhejiang Province
Li Mengjie1,Zheng Jianfei2,Zeng Yan3,Qiu Xinfa4,Yang Xianmin2
1. School of Atmospheric Sciences, Nanjing University of Information Science and Technology, Nanjing 210044, China; 2. Lishui Meteorological Bureau, Lishui 323000, China;3. Jiangsu Institute of Meteorological Sciences, Nanjing 210008, China; 4.School of Remote Sensing, Nanjing University of Information Science and Technology, Nanjing 210044, China
 全文: PDF(392 KB)  
摘要:

以综合考虑天空因素和地面因素的起伏地形下太阳直接辐射分布式模型为基础,采用1∶25万高分辨率数字高程模型(DEM)数据和气象站观测资料,计算了100 m×100 m分辨率的浙江省气候平均月太阳直接辐射以及年直接辐射的精细分布,并分析了起伏地形下浙江省太阳直接辐射的逐月变化规律。结果表明:浙江省太阳直接辐射量以7、8月份最高,1、2月份最低,全省气候平均年太阳直接辐射量为2 083 MJ/m2;地形因子对起伏地形下浙江省太阳直接辐射的影响程度具有随季节变化的特性;局地地形对太阳直接辐射的影响程度随季节而变,在冬半年,太阳高度角较低的季节,局地地形的影响较为显著。

关键词: 浙江省太阳直接辐射DEM精细模拟分布式模型    
Abstract:

Direct solar Radiation (DSR) is the key component of the global radiation reaching the Earth. The DSR quantity reaching the rugged terrain is the compositive action results of sky and terrain factors. Based on a distributed model, with DEM data of 1:250 000 scale and routine meteorological data as input, normals of monthly and annual DSR quantity with the resolution of 100 m×100 m over rugged terrains of Zhejiang province were simulated and their spatial distribution characteristics were analyzed. Surface and atmospheric factors were all considered in the used model. The results suggest that DSR in Zhejiang province reaches the highest quantity in July and August and the lowest in January and February; the normals of annual DSR quantity is 2 083 MJ/m2; the influences of local topographic factors on DSR are changing with seasons and are more obvious in cold seasons that have a lower solar elevation angle.

Key words: Zhejiang province    Direct solar radiation    DEM    Fine simulation    Distributed model.  
收稿日期: 2007-10-15 出版日期: 2008-03-10
:  P422  
基金资助:

中国气象局新技术推广重点项目“基于DEM的我国太阳能资源评估”(编号:CMATG2006Z10);浙江省科技厅研社会发展项目“浙西南山区气候生态资源探测分析研究”(编号:2006C33054)资助.

通讯作者: 李梦洁     E-mail: moshanghuak@163.com
作者简介: 李梦洁(1979-),女,广西钦州人,硕士研究生,主要从事气候资源研究.E-mail:moshanghuak@163.com
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引用本文:

李梦洁,郑建飞,曾燕,邱新法,杨羡敏. 浙江省高分辨率太阳直接辐射图的计算和绘制[J]. 地球科学进展, 2008, 23(3): 299-305.

链接本文:

http://www.adearth.ac.cn/CN/Y2008/V23/I3/299

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