DOI: 10.1002/2015GL063419
论文题名: Antarctica's Dry Valleys: A potential source of soluble iron to the Southern Ocean?
作者: Bhattachan A. ; Wang L. ; Miller M.F. ; Licht K.J. ; D'Odorico P.
刊名: Geophysical Research Letters
ISSN: 0094-8882
EISSN: 1944-8613
出版年: 2015
卷: 42, 期: 6 起始页码: 1912
结束页码: 1918
语种: 英语
英文关键词: Antarctica
; climate change
; dust emissions
; McMurdo Dry Valleys
; soluble iron
Scopus关键词: Climate change
; Dust
; Iron
; Landforms
; Musical instruments
; Oceanography
; Sea ice
; Antarctica
; Dust emission
; Mcmurdo dry valleys
; Potential sources
; Sediment samples
; Soluble irons
; Southern Hemisphere
; Trajectory analysis
; Sediments
; climate change
; deposition
; iron
; sea ice
; sediment transport
; Southern Hemisphere
; Antarctica
; Antarctica
; East Antarctica
; McMurdo Dry Valleys
英文摘要: The soluble iron content and dust emission potential of sediment samples collected from the Taylor Valley in the McMurdo Dry Valleys (MDVs) and sea ice in the McMurdo Sound were evaluated to determine whether inputs to the Southern Ocean may be sufficient to affect ocean productivity. Our results show that the dust-generating potential from the MDVs soils are comparable to those of sediments from other major dust sources in the Southern Hemisphere. Sediments from the MDVs and sea ice are one order of magnitude richer in soluble iron than those in other dust sources in the Southern Hemisphere. Forward trajectory analyses show that the dust from the MDVs is likely to be deposited in the Southern Ocean. These results provide evidence of the possible supply of soluble iron to the Southern Ocean associated with dust transport from the MDVs, should climate change expand the exposed areas of the continent. Key Points Dry Valley soils generate dust comparable to sources in the Southern Hemisphere The soluble iron content is larger than other dust sources in the region In the future the increased delivery of iron to the Southern Ocean is likely ©2015. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84927726171&doi=10.1002%2f2015GL063419&partnerID=40&md5=e180acb2f7d24b684a35435a373a4b78
Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/8498
Appears in Collections: 科学计划与规划 气候变化与战略
There are no files associated with this item.
作者单位: Department of Environmental Sciences, University of Virginia, Charlottesville, VA, United States
Recommended Citation:
Bhattachan A.,Wang L.,Miller M.F.,et al. Antarctica's Dry Valleys: A potential source of soluble iron to the Southern Ocean?[J]. Geophysical Research Letters,2015-01-01,42(6).