不同植被指数在风云三号土壤水分遥感产品降尺度中对比分析
Journal: Ecological Environment and Protection DOI: 10.12238/eep.v3i11.1124
Abstract
分别采用归一化植被指数(NDVI)与增强植被指数(EVI)土壤水分降尺度经验回归分析法应用于低分辨率风云三号B星(FY-3B)土壤水分产品,得到高分辨率土壤水分,结合地面观测数据,对不同降尺度方法进行对比分析。结果表明,采用NDVI的经验模型降尺度后土壤水分精度较高,与地面观测值的均方根误差RMSE低于0.08cm³/cm³。
Keywords
风云三号；土壤水分；降尺度；“不规则三角形”特征空间
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[1] Njoku E G , Jackson T J , Lakshmi V , et al. Soil moisture retrieval from AMSR-E[J].IEEE Transactions on Geoscience and Remote Sensing,2003,41(2):215-229.
[2] Chauhan N S, Miller S , Ardanuy P .Spaceborne soil moisture estimation at high resolution:a microwave-optical/IR synergistic approach[J]. International journal of remote sensing,2003,24(22): 4599-4622.
[3] Piles,M.,A.Camps,M. Vall-Llossera, I. Corbella, R. Panciera, C. Rudiger, Y. H.Kerr,andJ.Walker.2011.“Downscaling SMOS-Derived Soil Moisture Using MODIS Visible/InfraredData.” IEEE Transactions on Geoscience and Remote Sensing, 2011,49:3156–3166.
[4] Yang K, Qin J , Zhao L , et al. A Multiscale Soil Moisture and FreezeThaw Monitoring Network on the Third Pole[J].Bulletin of the American Meteorological Society,2013,94(12): 1907-1916.
[5] Jackson T J , Cosh M H , Bindlish R,et al.Validation of Advanced Microwave Scanning Radiometer Soil Moisture Products[J].IEEE Transactions on Geoence & Remote Sensing,2010,48(12):4256-4272.
[2] Chauhan N S, Miller S , Ardanuy P .Spaceborne soil moisture estimation at high resolution:a microwave-optical/IR synergistic approach[J]. International journal of remote sensing,2003,24(22): 4599-4622.
[3] Piles,M.,A.Camps,M. Vall-Llossera, I. Corbella, R. Panciera, C. Rudiger, Y. H.Kerr,andJ.Walker.2011.“Downscaling SMOS-Derived Soil Moisture Using MODIS Visible/InfraredData.” IEEE Transactions on Geoscience and Remote Sensing, 2011,49:3156–3166.
[4] Yang K, Qin J , Zhao L , et al. A Multiscale Soil Moisture and FreezeThaw Monitoring Network on the Third Pole[J].Bulletin of the American Meteorological Society,2013,94(12): 1907-1916.
[5] Jackson T J , Cosh M H , Bindlish R,et al.Validation of Advanced Microwave Scanning Radiometer Soil Moisture Products[J].IEEE Transactions on Geoence & Remote Sensing,2010,48(12):4256-4272.
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