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Dependence of remote sensing accuracy of global horizontal irradiance at different scales on satellite sampling frequency
Tang, WJ (Tang, Wenjun)1,2; Li, J (Li, Jun)1,4; Yang, K (Yang, Kun)2,3); Qin, J (Qin, Jun)1; Zhang, GQ (Zhang, Guoqing)1,2; Wang, Y (Wang, Yang)5
Source PublicationSOLAR ENERGY
2019
Volume193Issue:0Pages:597-603
DOI10.1016/j.solener.2019.10.007
Abstract

The emergence of new-generation geostationary satellites (such as Himawari-8 or FenYun-4) provides us an opportunity to obtain more accurate global horizontal irradiance (GHI) data. In this study, instantaneous GHI estimates (with a spatio-temporal resolution of 10 min and 5 km) are produced using the cloud products from the new-generation geostationary satellite Himawari-8 with a physically based algorithm. The hourly, daily, and monthly GHI estimates are aggregated using "snapshots" (or instantaneous estimates) at two different sampling frequencies (i.e., 1 h and 10 min), and validated against surface radiometry measurements collected in China. The root mean square errors (RMSE) for hourly, daily and monthly GHI estimates calculated using 1-h snapshots were 106.6, 27.9, and 17.7 W m(-2), respectively, whereas those for hourly, daily and, monthly GHI calculated using 10-min snapshots decreased to 94.0, 24.0, and 16.6 W m(-2), respectively. This result demonstrates that the accuracies of hourly, daily, and monthly GHI estimates are improved by increasing the frequency of satellite observations from 1 h (frequency of the previous-generation geostationary satellites) to 10 min (frequency of the new-generation geostationary satellites).

Subject AreaEnvironmental Sciences
WOS IDWOS:000498747800059
Language英语
Indexed BySCI
KeywordSurface Solar Irradiance Photosynthetically Active Radiation Shortwave Radiation Variability Atmosphere Retrieval Products China
WOS Research AreaEnergy & Fuels
WOS SubjectEnergy & Fuels
Cooperation Status国内
ISSN0038-092X
Department环境变化与地表过程重点实验室
URL查看原文
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/9086
Collection图书馆
Corresponding AuthorTang, WJ (Tang, Wenjun)
Affiliation1.Chinese Acad Sci, Natl Tibetan Plateau Data Ctr, Inst Tibetan Plateau Res, Beijing 100101, Peoples R China;
2.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China;
3.Tsinghua Univ, Dept Earth Syst Sci, Beijing 100084, Peoples R China;
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China;
5.China Meteorol Adm, Natl Climate Ctr, Beijing 100081, Peoples R China.
Recommended Citation
GB/T 7714
Tang, WJ ,Li, J ,Yang, K ,et al. Dependence of remote sensing accuracy of global horizontal irradiance at different scales on satellite sampling frequency[J]. SOLAR ENERGY,2019,193(0):597-603.
APA Tang, WJ ,Li, J ,Yang, K ,Qin, J ,Zhang, GQ ,&Wang, Y .(2019).Dependence of remote sensing accuracy of global horizontal irradiance at different scales on satellite sampling frequency.SOLAR ENERGY,193(0),597-603.
MLA Tang, WJ ,et al."Dependence of remote sensing accuracy of global horizontal irradiance at different scales on satellite sampling frequency".SOLAR ENERGY 193.0(2019):597-603.
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