| Distribution of possible sunshine durations over rugged terrains of China |
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| 引用本文： | ZENG Yan 1,QIU Xinfa 2*,MIAO Qilong 2 and LIU Changming 1(1. Institute of Geographic Sciences and Natural Resources Research,Chinese Academy of Sciences,Beijing 100101,China, 2. Department of Geography,Nanjing Institute of Meteorology,Nanjing 210044,China). Distribution of possible sunshine durations over rugged terrains of China[J]. 自然科学进展(英文版), 2003, 13(10). DOI: 10.1080/10020070312331344380 |
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| 作者姓名： | ZENG Yan 1 QIU Xinfa 2* MIAO Qilong 2 and LIU Changming 1(1. Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences Beijing 100101 China 2. Department of Geography Nanjing Institute of Meteorology Nanjing 210044 China) |
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| 作者单位： | 1. Institute of Geographic Sciences and Natural Resources Research，Chinese Academy of Sciences，Beijing 100101，China; 2. Department of Geography，Nanjing Institute of Meteorology，Nanjing 210044，China |
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| 基金项目： | SponsoredbytheMajorStateBasicResearchDevelopmentProgramofChina (GrantNos.G19990 43 6 0 1andG2 0 0 0 0 779) |
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| 摘 要： | Theconcepton possiblesunshineduration(PSD)findsitswiderangeofapplicationsinagricul ture ,forestry ,meteorology ,hydrology ,remotesens ing ,buildingindustryandsolarenergyutilization[1] .Itis ,however,hardtodeterminethePSDinapar ticularruggedterrainonaccountofitsslopeandas pect ,aswellasthescreeningofelevatedsurroundinglands[2 ] .PSDhastodateremainedanessentialyetunknowngeographicparameteronanation wideba sis ,especiallyinmountains[3] .PSDrefersbothtoitsastronomicalanalog ,meaningamaximum po…
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Distribution of possible sunshine durations over rugged terrains of China |
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| ZENG Yan,Qiu Xinfa,Miao Qilong,LIU Changming. Distribution of possible sunshine durations over rugged terrains of China[J]. Progress in Natural Science, 2003, 13(10). DOI: 10.1080/10020070312331344380 |
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| Authors: | ZENG Yan Qiu Xinfa Miao Qilong LIU Changming |
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| Abstract: | Based on the digital elevation model (DEM), a new model for calculating possible sunshine duration (PSD) is completely described. Using this model, monthly PSD with resolution of 1 km×1 km for the rugged topography of China is calculated. Results suggest that terrain has robust effect on PSD, particularly in winter when a lower sun elevation angle exists. Besides, the proposed model taking the DEM data as the input has an ability to process mass of data and is applicable to satellite image processing platforms or Geographic Information System (GIS). The PSD (in hours) is provided in the same way as other kinds of spatial information and can be employed as basic geographic data for relevant studies as well. |
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| Keywords: | possible sunshine duration (PSD) rugged terrains spatial distributions digital elevation model (DEM). |
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