气候变化领域集成服务门户(CCPortal): Wintertime Saharan dust transport towards the Caribbean: an airborne lidar case study during EUREC(4)A

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DOI	10.5194/acp-22-7319-2022
	Wintertime Saharan dust transport towards the Caribbean: an airborne lidar case study during EUREC(4)A
	Gutleben, Manuel; Gross, Silke; Heske, Christian; Wirth, Martin
发表日期	2022
ISSN	1680-7316
EISSN	1680-7324
起始页码	7319
结束页码	7330
卷号	22 期号:11 页码:12
英文摘要	Wintertime Saharan dust plumes in the vicinity of Barbados are investigated by means of airborne lidar measurements. The measurements were conducted in the framework of the EUREC(4)A (Elucidating the Role of Cloud-Circulation Coupling in Climate) field experiment upstream the Caribbean island in January-February 2020. The combination of the water vapor differential absorption and high spectral resolution lidar techniques together with dropsonde measurements aboard the German HALO (High Altitude and Long-Range) research aircraft enable a detailed vertical and horizontal characterization of the measured dust plumes. In contrast to summertime dust transport, mineral dust aerosols were transported at lower altitudes and were always located below 3.5 km. Calculated backward trajectories affirm that the dust-laden layers have been transported in nearly constant low-level altitude over the North Atlantic Ocean. Only mixtures of dust particles with other aerosol species, i.e., biomass-burning aerosol from fires in West Africa and marine aerosol, were detected by the lidar. No pure mineral dust regimes were observed. Additionally, all the dust-laden air masses that were observed during EUREC(4)A came along with enhanced water vapor concentrations compared with the free atmosphere above. Such enhancements have already been observed during summertime and were found to have a great impact on radiative transfer and atmospheric stability.
学科领域	Environmental Sciences; Meteorology & Atmospheric Sciences
语种	英语
WOS研究方向	Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS记录号	WOS:000807410600001
来源期刊	ATMOSPHERIC CHEMISTRY AND PHYSICS
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/273426
作者单位	Helmholtz Association; German Aerospace Centre (DLR); University of Munich
推荐引用方式 GB/T 7714	Gutleben, Manuel,Gross, Silke,Heske, Christian,et al. Wintertime Saharan dust transport towards the Caribbean: an airborne lidar case study during EUREC(4)A[J],2022,22(11):12.
APA	Gutleben, Manuel,Gross, Silke,Heske, Christian,&Wirth, Martin.(2022).Wintertime Saharan dust transport towards the Caribbean: an airborne lidar case study during EUREC(4)A.ATMOSPHERIC CHEMISTRY AND PHYSICS,22(11),12.
MLA	Gutleben, Manuel,et al."Wintertime Saharan dust transport towards the Caribbean: an airborne lidar case study during EUREC(4)A".ATMOSPHERIC CHEMISTRY AND PHYSICS 22.11(2022):12.