应地理系王伦澈、陶明辉教授邀请，中国科学院遥感与数字地球研究所胡斯勒图研究员来我校访问并做学术报告。
报告时间: 2019年3月27日下午4: 00
报告地点：地质斋(主楼308 )
报告题目:基于葵花8卫星的全天候地表短波辐射估算研究污染物对地表辐射影响
报告人简介:
胡斯勒图，中国科学院遥感与数字地球研究所研究员、博士生导师。2010 年获日本千叶大学理学博士学位，曾任日本东海大学特别研究员。主要从事冰云粒子光散射计算，云水参数和地表辐射迅感反演研兖。自2010年开始负责开发了日本宇审就室研究开发机构JAXAI的气情观测卫星GCOM-C和新一代静止卫Himawari- 8葵花8的大气云水产品， 井参与攒写了该产品算法技术档案(ATBDI。开发了5种肉型卷云冰晶模型的光散射属性数据库，提出的Voronoi 丰球形冰晶模型被葵花8. GCOM-C.EarthCARE/MSI等国际卫星计划富方算法采用。发表论交50余篇(SCI论交30余篇)，是Remote Sensing of Environment, IEEE Transection onGeoscience and Remote Sensing等過感领域国际TOP期刊审精人。曾获得国家优秀自费留学生奖、8中科学技术交流协会研究奖和资深演讲人奖等。
报告摘要:
Optical properties of clouds and heavy aerosol retrieved from satellite measurements aremost important in the calculation of the surface solar radiation (SSR) of the ground surface.Toobtain high spatial (5km) and temporal resolution (10 minutesl of SSR data from the newgeneration geostationary satellite Himwari-8, we established the cloud properties retrievalalgorithm lLetu et al, 2018) to produce an input data of the SSR calculation algorithm. Then wedeveloped店LUT-based algorithm to estimate SSR from the retrieval of cloud propertyparameters (oloud phase. cloud optical thickness and cloud efective particle radiusi and aerosoloptical thickness. Furthermore. the SSR is estimated by inputting the cloud and aerosolparameters. and other auxiliary data le.g solar zenith angle surlace albedol. To generate andoptimize the LUT for SSR. sensitivity analysis ofSSR to solar geometry lsolar zenith anglel.atmospheric conditions and surface condition isurfacn albedo) is conducted,他Furthermore, shortwave radiative flux simulated from Himawari-B satellite products iscompared to ground-based observations in Xianghe and Xuzhou sites of China tn clear andcloudy sky with clean otmospheric conditions. the shortwave radiative luxes using satelliteproducts agree well with ground-based measurements However, in cloudy sky with pollutedatmospheric conditions the fuxes usingatellite products ara overestimated by about18%a，compared 。the ground-based measurements. Aerosols below the cloud layer can bias theretrieval of the cloud optical and microphysical properties le.g optical thicknes and eflectiveparticle radius) andlead to the overestimation o the shortwaveradiation ground level.
