Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.1016/j.renene.2018.07.053 |
| Estimates of clear-sky solar irradiances over Nigeria | |
| Otunla, T. A. | |
| 通讯作者 | Otunla, T. A. |
| 来源期刊 | RENEWABLE ENERGY
 |
| ISSN | 0960-1481 |
| 出版年 | 2019 |
| 卷号 | 131页码:778-787 |
| 英文摘要 | This study attempts to circumvent the problem of paucity of input data required in climatology mapping of clear-sky solar irradiance in Nigeria by computing beam normal (E-bn) and diffuse (E-d) irradiances using a high performance broadband radiative model in the country climate zones. Air temperature, relative humidity and global datasets of ozone thickness and angstrom turbidity were used as input parameters. The biases in the E-bn estimates with NASA datasets across Nigeria (11-25%) are of similar magnitudes with NASA observations with ground measurements. The estimates show persistent negative biases that increased from tropical savannah to semi-arid climate zones (-8 to -24%). The bias in the E-d estimates is only of similar magnitude with NASA in semi-arid climate zone (10%). The Ed estimates show persistent negative biases that increase from semi-arid to tropical savannah across Nigeria (-7 to -54%). Also, the estimates in each climate zone correspond to the expected climatology of water vapour, aerosol turbidity and absolute optical mass. Lastly, the response of E-bn, to water vapour absorption and aerosol extinction signals is mostly active in monsoon zone while the response to the signals by E-d are active in all the zones. (C) 2018 Elsevier Ltd. All rights reserved. |
| 英文关键词 | Beam normal irradiance Clear-sky diffuse irradiance Broadband radiative model Aerosol Water vapour Climate zone |
| 类型 | Article |
| 语种 | 英语 |
| 国家 | Nigeria |
| 收录类别 | SCI-E |
| WOS记录号 | WOS:000449892600069 |
| WOS关键词 | BROAD-BAND MODELS ; RADIATION ; TRANSMITTANCE ; PREDICTIONS ; ENVIRONMENT ; ATMOSPHERE |
| WOS类目 | Green & Sustainable Science & Technology ; Energy & Fuels |
| WOS研究方向 | Science & Technology - Other Topics ; Energy & Fuels |
| 资源类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/218440 |
| 作者单位 | Univ Ibadan, Dept Phys, Atmospher Phys Res Unit, Ibadan, Nigeria |
| 推荐引用方式 GB/T 7714 | Otunla, T. A.. Estimates of clear-sky solar irradiances over Nigeria[J],2019,131:778-787. |
| APA | Otunla, T. A..(2019).Estimates of clear-sky solar irradiances over Nigeria.RENEWABLE ENERGY,131,778-787. |
| MLA | Otunla, T. A.."Estimates of clear-sky solar irradiances over Nigeria".RENEWABLE ENERGY 131(2019):778-787. |
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