Development of a method for mapping monthly average hourly diffuse erythemal ultraviolet radiation

被引:2
|
作者
Choosri, P. [1 ]
Janjai, S. [1 ]
Nunez, M. [2 ]
Buntoung, S. [1 ]
Chanalert, W. [1 ]
机构
[1] Silpakorn Univ, Fac Sci, Dept Phys, Lab Trop Atmosper Phys, Nakhon Pathom 73000, Thailand
[2] Univ Tasmania, Sch Land & Food, Hobart, Tas 7001, Australia
关键词
Mapping; Diffuse radiation; Satellite data; Solar ultraviolet radiation; SOLAR-RADIATION; TOTAL OZONE; NEURAL-NETWORK; UV-RADIATION; MU-M; IRRADIANCE;
D O I
10.1016/j.jastp.2017.06.003
中图分类号
P3 [地球物理学]; P59 [地球化学];
学科分类号
0708 ; 070902 ;
摘要
In this study, a model for calculating monthly average hourly diffuse erythemal solar ultraviolet (EUV) radiation under all sky conditions in Thailand was developed. The model is a function of air mass, aerosol optical depth and satellite-derived cloud index, as these parameters are sensitive to diffuse EUV radiation. Diffuse EUV irradiance were measured using UV-biometers equipped with shade ball during April 2011-March 2014 at four stations in Thailand. Data from these stations were used to formulate the model. The model was validated using an independent dataset (April 2014-March 2016) at the same sites. The modeled diffuse EUV irradiance showed good agreement with that from the ground-based measurements, with root mean square difference (RMSD) of 12.7% and mean bias difference (MBD) of -2.8%. The use of satellite data provided a simple and practical method to calculate monthly average hourly diffuse EUV irradiance over Thailand. Spatial monthly distributions are shown as maps.
引用
收藏
页码:19 / 27
页数:9
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