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Title: Satellite or ground-based measurements for production of site specific hourly irradiance data: Which is most accurate and where?
Authors: Palmer, Diane
Koubli, Eleni
Cole, Ian R.
Betts, Thomas R.
Gottschalg, Ralph
Keywords: Global horizontal irradiance
National assessment of irradiance models
Weather station density
Kriging
Satellite-derived irradiance
Solar radiation
Issue Date: 2018
Publisher: © Elsevier
Citation: PALMER, D. ... et al, 2018. Satellite or ground-based measurements for production of site specific hourly irradiance data: Which is most accurate and where?. Solar Energy, 165, pp.240-255.
Abstract: Site-specific satellite-derived hourly global horizontal irradiance is compared with that obtained from extrapolation and interpolation of values measured by ground-based weather stations. A national assessment of three satellite models and two ground-based techniques is described. A number of physiographic factors are examined to allow identification of the optimal resource. The chief influences are determined as: factors associated with latitude; terrain ruggedness; and weather station clustering/density. Whilst these factors act in combination, weather station density was found to be fundamental for a country like the UK, with its ever-changing weather. The decision between satellite and ground-based irradiance data based on accuracy is not straightforward. It depends on the exactitude of the selected satellite model and the concentration of pyranometric stations.
Description: This paper is closed access until 20 March 2019.
Sponsor: This work has been conducted as part of the research project ‘Joint UK-India Clean Energy Centre (JUICE)’ which is funded by the RCUK's Energy Programme (contract no: EP/P003605/1).
Version: Accepted for publication
DOI: 10.1016/j.solener.2018.03.029
URI: https://dspace.lboro.ac.uk/2134/32399
Publisher Link: https://doi.org/10.1016/j.solener.2018.03.029
ISSN: 0038-092X
Appears in Collections:Closed Access (Mechanical, Electrical and Manufacturing Engineering)

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