SEBS模型在塔克拉玛干沙漠地区地表能量通量估算中的应用
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摘要
利用SEBS(Surface Energy Balance System)模型,对塔克拉玛干沙漠及周边地区的地表能量通量进行模拟估算。通过修正适合于塔克拉玛干沙漠地表的参数化方案,结合该地区的MODIS遥感数据,将同期同化气象资料输入模型中,模拟出该地区的地表净辐射、地表土壤热通量、感热通量和潜热通量的空间分布。与塔克拉玛干沙漠大气环境观测试验站的实测数据对比,得出:1)SEBS模型在塔克拉玛干沙漠地区具有适用性;2)模型反演的沙漠腹地净辐射约为350W/m~2,感热通量在200W/m~2左右,潜热通量在±20W/m~2之间,其结果均与塔中站实测资料吻合较好。因此利用参数修正后的SEBS模型估计塔克拉玛干沙漠地区能量平衡各分量具有一定精度,可满足区域地表能量通量的计算要求。
Using the SEBS(Surface Energy System) model, the surface energies in the Taklimakan Desert and surrounding areas were simulated and estimated. By modifying the parametric scheme to suitable for the Taklimakan Desert surface, combined with the MODIS data of the same area, the assimilation weather data were taken into the model to simulate the spatial distribution of net radiation, surface heat flux, sensible heat and latent heat flux in the area. Compared with the observational data from the Taklimakan Desert Atmospheric Environment Observation and Experiment Station(Tazhong station), the results are found: The SEBS model has applicability in the Taklimakan Desert. The results of the model estimation show that the net radiation in the desert hinterland is about 350 W/m~2, the sensible heat flux is 200 W/m~2, and the latent heat flux is ±20 W/m~2. The results estimated by the SEBS model agree well with the measured data at the Tazhong station.
Using the SEBS(Surface Energy System) model, the surface energies in the Taklimakan Desert and surrounding areas were simulated and estimated. By modifying the parametric scheme to suitable for the Taklimakan Desert surface, combined with the MODIS data of the same area, the assimilation weather data were taken into the model to simulate the spatial distribution of net radiation, surface heat flux, sensible heat and latent heat flux in the area. Compared with the observational data from the Taklimakan Desert Atmospheric Environment Observation and Experiment Station(Tazhong station), the results are found: The SEBS model has applicability in the Taklimakan Desert. The results of the model estimation show that the net radiation in the desert hinterland is about 350 W/m~2, the sensible heat flux is 200 W/m~2, and the latent heat flux is ±20 W/m~2. The results estimated by the SEBS model agree well with the measured data at the Tazhong station.
引文
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[20] 李帅, 胡列群, 何清,等. 塔克拉玛干沙漠腹地地表辐射收支特征研究[J]. 中国沙漠, 2012, 32(4):1035-1044.
[21] 叶晶, 刘辉志, 李万彪,等. 利用MODIS数据直接估算晴空区干旱与半干旱地表净辐射通量[J]. 北京大学学报(自然科学版), 2010, 46(6):942-950.
[2] 何清, 缪启龙, 李帅, 等. 塔克拉玛干沙漠腹地总辐射变化特征及影响因子分析[J]. 中国沙漠, 2008, 28(5):896-902.
[3] 李帅, 何清, 周立平, 等. 塔克拉玛干沙漠腹地净辐射变化特征[J]. 干旱区研究, 2009, 26(5):644-648.
[4] 艾力·买买提明, 何清, 高志球, 等. 塔克拉玛干沙漠近地层湍流热通量计算方法比较研究[J]. 中国沙漠, 2008, 28(5):948-954.
[5] 张强. 大气边界层气象学研究综述[J]. 干旱气象, 2003, 21(3):74-78.
[6] 何延波, Zhongbo Su, LI Jia, 等. SEBS模型在黄淮海地区地表能量通量估算中的应用[J]. 高原气象, 2006, 25(6):1092-1100.
[7] Kustas W P, Daughtry C S T. Estimation of the soil heat flux/net radiation ratio from spectral data[J]. Agricultural & Forest Meteorology, 1990, 49(3):205-223.
[8] Hatfield J L. Evapotranspiration obtained from remote sensing methods[J]. Advances in Irrigation, 1983, 2:395-416.
[9] 孟宪红, 吕世华. 卫星遥感结合数值模式估算金塔绿洲非均匀地表能量通量[J]. 高原气象, 2012, 31(4):910-919.
[10] 王丽娟, 郭铌, 杨启东, 等. 基于MODIS遥感产品估算西北半干旱区的陆面蒸散量[J]. 高原气象, 2016, 35(2):375-384.
[11] Su Z. The surface energy balance system (SEBS) for estimation of turbulent heat fluxes[J]. Hydrology and Earth System Sciences, 2002, 6(1):85-99.
[12] 丁国栋. 沙漠学概论[M]. 北京:中国林业出版社, 2002.
[13] 李想. 基于SEBS模型的感热计算及其在干旱监测中的应用[D]. 南京:南京信息工程大学, 2012.
[14] 李火青, 吴新萍, 买买提艾力·买买提依明, 等. 利用FTIR和MODIS数据估算塔克拉玛干沙漠宽波段地表比辐射率[J]. 光谱学与光谱分析, 2016, 36(8):2414-2419.
[15] Liang S. Narrowband to broadband conversions of land surface albedo I: Algorithms[J]. Remote Sensing of Environment, 2001, 76(2):213-238.
[16] Liang S, Shuey C J, Russ A L, et al. Narrowband to broadband conversions of land surface albedo: II. Validation[J]. Remote Sensing of Environment, 2003, 84(1):25-41.
[17] 霍艾迪, 张广军, 王国梁. 基于MODIS数据的沙漠化地区地表宽波段反照率的反演方法研究-以新疆沙漠化地区为例[J]. 西北林学院学报, 2010, 25(1):212-215.
[18] 杨帆, 王顺胜, 何清, 等. 塔克拉玛干沙漠腹地地表辐射与能量平衡[J]. 中国沙漠, 2016, 36(5):1408-1418.
[19] 金莉莉, 何清, 李振杰,等. 塔克拉玛干沙漠不同下垫面太阳总辐射比较[J]. 中国沙漠, 2014, 34(2):498-506.
[20] 李帅, 胡列群, 何清,等. 塔克拉玛干沙漠腹地地表辐射收支特征研究[J]. 中国沙漠, 2012, 32(4):1035-1044.
[21] 叶晶, 刘辉志, 李万彪,等. 利用MODIS数据直接估算晴空区干旱与半干旱地表净辐射通量[J]. 北京大学学报(自然科学版), 2010, 46(6):942-950.