Arid
DOI10.3390/atmos7090111
Effect of the Aerosol Type Selection for the Retrieval of Shortwave Ground Net Radiation: Case Study Using Landsat 8 Data
Bassani, Cristiana1; Manzo, Ciro1; Zakey, Ashraf2; Cuevas-Agullo, Emilio3
通讯作者Bassani, Cristiana
来源期刊ATMOSPHERE
ISSN2073-4433
出版年2016
卷号7期号:9
英文摘要

This paper discusses the aerosol radiative effects involved in the accuracy of shortwave net radiation, R-n.sw, with sw is an element of (400-900) nm, retrieved by the Operational Land Imager (OLI), the new generation sensor of the Landsat mission. Net radiation is a key parameter for the energy exchange between the land and atmosphere; thus, R-n.sw retrieval from space is under investigation by exploiting the increased spatial resolution of the visible and near-infrared OLI data. We adopted the latest version of the Second Simulation of a Satellite Signal in the Solar Spectrum (6SV) atmospheric radiative transfer model implemented in the atmospheric correction algorithm (OLI Atmospherically-Corrected Reflectance Imagery (OLI@CRI)) developed specifically for OLI data. The values of R-n.sw were obtained by varying the microphysical properties of the aerosol during the OLI@CRI retrieval of both the OLI surface reflectance, rho(oli)(pxl), and the incoming solar irradiance at the surface. The analysis of the aerosol effects on the R-n.sw was carried out on a spectrally-homogeneous desert area located in the southwestern Nile Delta. The results reveal that the R-n.sw available for energy exchange between the land and atmosphere reduces the accuracy (NRMSE similar or equal to 14%) when the local aerosol microphysical properties are not considered during the processing of space data. Consequently, these findings suggest that the aerosol type should be considered for variables retrieved by satellite observations concerning the energy exchange in the natural ecosystems, such as Photosynthetically-Active Radiation (PAR). This will also improve the accuracy of land monitoring and of solar energy for power generation when space data are used.


英文关键词aerosol shortwave ground net radiation atmospheric correction Landsat earth observation
类型Article
语种英语
国家Italy ; Egypt ; Spain
收录类别SCI-E
WOS记录号WOS:000383906600002
WOS关键词RESOLUTION IMAGING SPECTRORADIOMETER ; ATMOSPHERIC CORRECTION ; SURFACE REFLECTANCE ; TROPOSPHERIC AEROSOL ; OPTICAL-PROPERTIES ; IN-SITU ; MODIS ; NETWORK ; ALBEDO ; OCEANS
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/191549
作者单位1.Natl Res Council CNR, Inst Atmospher Pollut Res IIA, Res Area Rome 1,Via Salaria Km 29,300, I-00016 Rome, Italy;
2.Egyptian Meteorol Author EMA, Cairo 11784, Egypt;
3.Izana Atmospher Res Ctr AEMET, Santa Cruz de Tenerife 38071, Spain
推荐引用方式
GB/T 7714
Bassani, Cristiana,Manzo, Ciro,Zakey, Ashraf,et al. Effect of the Aerosol Type Selection for the Retrieval of Shortwave Ground Net Radiation: Case Study Using Landsat 8 Data[J],2016,7(9).
APA Bassani, Cristiana,Manzo, Ciro,Zakey, Ashraf,&Cuevas-Agullo, Emilio.(2016).Effect of the Aerosol Type Selection for the Retrieval of Shortwave Ground Net Radiation: Case Study Using Landsat 8 Data.ATMOSPHERE,7(9).
MLA Bassani, Cristiana,et al."Effect of the Aerosol Type Selection for the Retrieval of Shortwave Ground Net Radiation: Case Study Using Landsat 8 Data".ATMOSPHERE 7.9(2016).
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