Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1080/02786826.2018.1449940 |
Direct radiative impacts of desert dust on atmospheric water content | |
Spyrou, Christos | |
通讯作者 | Spyrou, Christos |
来源期刊 | AEROSOL SCIENCE AND TECHNOLOGY |
ISSN | 0278-6826 |
EISSN | 1521-7388 |
出版年 | 2018 |
卷号 | 52期号:6页码:693-701 |
英文摘要 | The direct and indirect radiative impact of naturally produced dust particles influences climate from regional to global scale, introducing one of the largest uncertainties in future climate projections. By absorbing and scattering solar radiation, aerosols reduce the amount of energy reaching the earth’s surface, while at the same time they enhance the greenhouse effect by absorbing and emitting longwave radiation (direct dust effect). In this study an attempt is made to quantify the feedback of this energy redistribution in the atmospheric water content in the Arabian Peninsula (one of the main sources of atmospheric mineral dust globally). To this end the SKIRON/dust modeling system was used for 2years (2014-2015) and two sets of simulations were performed: in the first one the dust particles exert no feedback on the radiative transfer due to dust particles (control run), while in the second set dust interacts with radiation (direct radiative effect). Both simulations have been evaluated in their ability to describe the impacts on surface humidity, with the simulations including the dust feedback showing improved results. These direct feedbacks lead to an increase in the mass of water in the atmospheric column that can reach a maximum daily average of 0.5g per kg of dry air. Water vapor is the most important greenhouse gas and through this process dust enhances its own greenhouse effect, further increasing the surface temperature and humidity, making life difficult for people living in an already harsh desert climate.(c) 2018 American Association for Aerosol Research |
英文关键词 | Nicole Riemer |
类型 | Article |
语种 | 英语 |
国家 | Greece |
收录类别 | SCI-E |
WOS记录号 | WOS:000432629100008 |
WOS关键词 | ARABIAN PENINSULA ; MINERAL DUST ; OPTICAL-PROPERTIES ; REGIONAL CLIMATE ; SAUDI-ARABIA ; MODEL ; AEROSOLS ; SYSTEM ; CYCLOGENESIS ; COORDINATE |
WOS类目 | Engineering, Chemical ; Engineering, Mechanical ; Environmental Sciences ; Meteorology & Atmospheric Sciences |
WOS研究方向 | Engineering ; Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/207258 |
作者单位 | Univ Athens, Dept Phys, Univ Campus, Athens 15784, Athinon, Greece |
推荐引用方式 GB/T 7714 | Spyrou, Christos. Direct radiative impacts of desert dust on atmospheric water content[J],2018,52(6):693-701. |
APA | Spyrou, Christos.(2018).Direct radiative impacts of desert dust on atmospheric water content.AEROSOL SCIENCE AND TECHNOLOGY,52(6),693-701. |
MLA | Spyrou, Christos."Direct radiative impacts of desert dust on atmospheric water content".AEROSOL SCIENCE AND TECHNOLOGY 52.6(2018):693-701. |
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