Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1007/s00382-015-2792-x |
Potential climate effect of mineral aerosols over West Africa: Part II-contribution of dust and land cover to future climate change | |
Ji, Zhenming1,2; Wang, Guiling2; Yu, Miao2; Pal, Jeremy S.1 | |
2018-04-01 | |
发表期刊 | CLIMATE DYNAMICS |
ISSN | 0930-7575 |
EISSN | 1432-0894 |
出版年 | 2018 |
卷号 | 50页码:2335-2353 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | Mineral dust aerosols are an essential component of climate over West Africa, however, little work has been performed to investigate their contributions to potential climate change. A set of regional climate model experiments with and without mineral dust processes and land cover changes is performed to evaluate their climatic effects under the Representative Concentration Pathway 8.5 for two global climate models. Results suggest surface warming to be in the range of 4-8 A degrees C by the end of the century (2081-2100) over West Africa with respect to the present day (1981-2000). The presence of mineral dusts dampens the warming by 0.1-1 A degrees C in all seasons. Accounting for changes in land cover enhances the warming over the north of Sahel and dampens it to the south in spring and summer; however, the magnitudes are smaller than those resulting from dusts. Overall dust loadings are projected to increase, with the greatest increase occurring over the Sahara and Sahel in summer. Accounting for land cover changes tends to reduce dust loadings over the southern Sahel. Future precipitation is projected to decrease by 5-40 % in the western Sahara and Sahel and increase by 10-150 % over the eastern Sahel and Guinea Coast in JJA. A dipole pattern of future precipitation changes is attributed to dust effects, with decrease in the north by 5-20 % and increase by 5-20 % in the south. Future changes in land cover result in a noisy non-significant response with a tendency for slight wetting in MAM, JJA, and SON and drying in DJF. |
英文关键词 | Mineral dust Land cover Climate projection Regional climate modelling West Africa |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000428600200003 |
WOS关键词 | REGIONAL CLIMATE ; INTERNAL VARIABILITY ; MODEL ; REGCM3 ; SIMULATION ; MONSOON ; CMIP5 ; PRECIPITATION ; PROJECTIONS ; GENERATION |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/35681 |
专题 | 气候变化 |
作者单位 | 1.Loyola Marymount Univ, Frank R Seaver Coll Sci & Engn, Dept Civil Engn & Environm Sci, 1 LMU Dr, Los Angeles, CA 90045 USA; 2.Univ Connecticut, Dept Civil & Environm Engn, Ctr Environm Sci & Engn, 261 Glenbrook Rd, Mansfield, CT 06269 USA |
推荐引用方式 GB/T 7714 | Ji, Zhenming,Wang, Guiling,Yu, Miao,et al. Potential climate effect of mineral aerosols over West Africa: Part II-contribution of dust and land cover to future climate change[J]. CLIMATE DYNAMICS,2018,50:2335-2353. |
APA | Ji, Zhenming,Wang, Guiling,Yu, Miao,&Pal, Jeremy S..(2018).Potential climate effect of mineral aerosols over West Africa: Part II-contribution of dust and land cover to future climate change.CLIMATE DYNAMICS,50,2335-2353. |
MLA | Ji, Zhenming,et al."Potential climate effect of mineral aerosols over West Africa: Part II-contribution of dust and land cover to future climate change".CLIMATE DYNAMICS 50(2018):2335-2353. |
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