福建省区域尺度太阳总辐射模拟估算研究.pdfVIP

第 2卷 第4期 亚热带资源与环境学报 Vo1．2 No．4 2007年12月出版 Journal of Subtropical Resources and Environment December 2OO7 福建省区域尺度太阳总辐射模拟估算研究 李慧，仝川，陈加兵 (福建师范大学地理科学学院，福州350007) 摘要：比较了3种以常规地面气象资料为基础估算太阳总辐射的气候学估算模型 (晴天辐射模 型、天文辐射模型和MTCLIM气候模型)，并以2004年福建省仅有的福州站和建瓯站太阳总 辐射实测值进行验证．研究结果表明：以晴天总辐射为基值计算太阳总辐射估算模型的精度最 高，运用该模型在ARCGIS支持下对福建省太阳总辐射进行空间插值，拟合了福建省区域尺 度太阳总辐射月总量和年总量的空间分布，为省区域尺度生态系统碳循环模型，水文模型及植 被净第一性生产力的估算研究提供了重要的空间表达参数． 关键词；太阳总辐射；经验模型；MTCLIM模型；空间插值；福建省 中图分类号：P422．1 文献标识码：A 文章编号：1673—7105(2007)04—0001—08 Estimation on Global Solar Radiation of Fujian Province LI Hui，TONG Chuan，CHEN Jia—bing (School of Geographical Sciences，Fujian Normal University，Fuzhou 350007，China) Abstract：In Fujian province，there are only two meteorological stations that have direct solar radiation records．Therefore，it is a need to use indirect meteorologica1 data such as tempera— ture．water pressure and sunshine to estimate solar radiation for the region．Three maior cli— matological models were evaluated，by which we found that the model based on maximum radi— ation of clear day is most precise．Validated with actua1 measured solar radiation，the values came out of the mode1 based on maximum radiation of clear day hardly had errors，and for 9 months，the deviation from actual measurements was almost cero．Using the estimated values based on the model，and other meteorological data，and with the help of GIS，spatial and tem— poral distribution of global solar radiation of Fujian Province in 2004 was simulated and re— vealed．The results would help the creation of models，such as C recycling model and hydro— logical model at regional leve1． Key words：global solar radiation；empirical model；MTCLIM model；spatial interpolati