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基于海上固定平台观测的MODIS遥感反射比与气溶胶光学厚度产品检验 被引量:3

Validation of Remote Sensing Reflectance and Aerosol Optical Thickness Products of MODIS Based on the Fixed Offshore Platform Observations
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摘要 利用南海北部PY30-1石油平台上的HyperSAS所测量的遥感反射比Rrs和CE318所测量的气溶胶光学厚度AOT,对中分辨率成像光谱辐射仪(MODIS)传感器(Agua and Terra)进行中国南海区域的卫星数据检验。对比了412、443、531、547 nm波段的遥感反射比和869 nm的气溶胶光学厚度。遥感反射比的比对结果表明, 现场观测值略高于卫星观测值,但两者的一致性较好,其中Terra卫星的443 nm波段,Aqua卫星412 nm和443 nm波段的遥感反射比平均相对偏差小于10%。大气气溶胶光学厚度的比对结果表明,现场观测值和卫星观测值有良好的一致性,其中Aqua卫星的对比结果优于Terra卫星,两者的平均相对偏差都小于10%,Aqua卫星对比结果的平均相对偏差为-0.181%, Terra卫星对比结果的平均相对偏差为8%。 Remote sensing reflectance (Rrs) from the HyperSAS and aerosol optical thickness (AOT) from CE318 on the PY30-1 oil platform which is in the northern of the South China Sea are used to validate the Rrs of 412, 443, 531, 547 nm bands and AOT of 869 nm from moderate resolution imaging spectroradiometer (MODIS) sensor (Aqua and Terra). The results of Rrs show that the observation data values from the site are higher than the satellite, but the consistence between them is good. The average relative deviations of the 443 nm channel of Terra satellite, 412 nm and 443 nm channels of Aqua are better than 10%. The results of AOT show that the field and satellite observations are in good agreement with each other. The results of Aqua are better than the Terra satellite; the average relative deviations of them are less than 10%: for the Aqua satellite it is -0.181%, and for the Terra satellite it is about 8%.
出处 《光学学报》 EI CAS CSCD 北大核心 2013年第B12期1-6,共6页 Acta Optica Sinica
基金 国家863计划(2008AA09A403)、海洋公益性科研专项(2010418030)致谢感谢海洋遥感定标检验技术研究项目组全体成员,特别感谢林明森研究员、李铜基研究员、唐军武研究员、兰志刚研究员、王振占研究员.
关键词 遥感 海上固定平台 遥感反射比 大气气溶胶 中分辨率成像光谱辐射仪 检验 remote sensing fixed offshore platform remote sensing reflectance~ atmosphere aerosol moderate resolution imaging spectroradiometer validation
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