DOI: 10.1002/2015GL063325
论文题名: Impact of soil moisture on dust outbreaks in East Asia: Using satellite and assimilation data
作者: Kim H. ; Choi M.
刊名: Geophysical Research Letters
ISSN: 0094-8748
EISSN: 1944-8479
出版年: 2015
卷: 42, 期: 8 起始页码: 2789
结束页码: 2796
语种: 英语
英文关键词: aerosol optical depth
; GLDAS
; MODIS
; sand dust
; soil moisture
; wind speed
Scopus关键词: Aerosols
; Atmospheric aerosols
; Dust
; Image reconstruction
; Moisture
; Moisture determination
; Optical properties
; Radiometers
; Satellite imagery
; Satellites
; Soil surveys
; Soils
; Speed
; Wind
; Aerosol optical depths
; GLDAS
; MODIS
; Sand dusts
; Wind speed
; Soil moisture
; aerosol property
; data assimilation
; dust storm
; optical depth
; satellite imagery
; soil moisture
; wind velocity
; Far East
英文摘要: This study is the first assessment of the effects of soil moisture on dust outbreaks using satellite-derived aerosol optical depth (AOD) and global assimilation data on the sand regions across East Asia. The relationships among dust outbreaks, soil moisture, and wind speed were estimated using data sets of the Moderate Resolution Imaging Spectroradiometer and Global Land Data Assimilation System collected over 11 years (2003-2013). The mean AOD exponentially decreased with increasing soil moisture under different wind speed conditions (average determination coefficient = 0.95). As the wind speed conditions became stronger, the probability of a dust outbreak became greatly affected by soil moisture. The threshold soil moisture for dust outbreaks increased with increasing wind speed and decreased with increasing dust-outbreak criteria of AOD. Our results have the capability to be applied to satellite-based dust-outbreak prediction and global-scale dust-emission studies. ©2015. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84929518835&doi=10.1002%2f2015GL063325&partnerID=40&md5=2291f747e53d7084ead84ef5510e78bb
Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/8364
Appears in Collections: 科学计划与规划 气候变化与战略
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作者单位: Department of Water Resources, Graduate School of Water Resources, Sungkyunkwan University, Suwon, South Korea
Recommended Citation:
Kim H.,Choi M.. Impact of soil moisture on dust outbreaks in East Asia: Using satellite and assimilation data[J]. Geophysical Research Letters,2015-01-01,42(8).