Arid
DOI10.1002/2016GL067911
Paleodust variability since the Last Glacial Maximum and implications for iron inputs to the ocean
Albani, S.1,2; Mahowald, N. M.1; Murphy, L. N.3; Raiswell, R.4; Moore, J. K.5; Anderson, R. F.6,7; McGee, D.8; Bradtmiller, L. I.9; Delmonte, B.10; Hesse, P. P.11; Mayewski, P. A.12
通讯作者Albani, S.
来源期刊GEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
EISSN1944-8007
出版年2016
卷号43期号:8页码:3944-3954
英文摘要

Changing climate conditions affect dust emissions and the global dust cycle, which in turn affects climate and biogeochemistry. In this study we use observationally constrained model reconstructions of the global dust cycle since the Last Glacial Maximum, combined with different simplified assumptions of atmospheric and sea ice processing of dust-borne iron, to provide estimates of soluble iron deposition to the oceans. For different climate conditions, we discuss uncertainties in model-based estimates of atmospheric processing and dust deposition to key oceanic regions, highlighting the large degree of uncertainty of this important variable for ocean biogeochemistry and the global carbon cycle. We also show the role of sea ice acting as a time buffer and processing agent, which results in a delayed and pulse-like soluble iron release into the ocean during the melting season, with monthly peaks up to similar to 17 Gg/month released into the Southern Oceans during the Last Glacial Maximum (LGM).


类型Article
语种英语
国家USA ; Germany ; England ; Italy ; Australia
收录类别SCI-E
WOS记录号WOS:000378338800041
WOS关键词MINERAL DUST ; SOUTHERN-OCEAN ; EQUATORIAL PACIFIC ; AEOLIAN DUST ; SEA-ICE ; GLOBAL DISTRIBUTION ; CLIMATE CONDITIONS ; DESERT DUST ; DEPOSITION ; MODEL
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/193272
作者单位1.Cornell Univ, Dept Earth & Atmospher Sci, Ithaca, NY USA;
2.Univ Cologne, Inst Geophys & Meteorol, Cologne, Germany;
3.Univ Miami, Rosenstiel Sch Marine & Atmospher Sci, 4600 Rickenbacker Causeway, Miami, FL 33149 USA;
4.Univ Leeds, Sch Earth & Environm, Fac Environm, Leeds, W Yorkshire, England;
5.Univ Calif Irvine, Dept Earth Syst Sci, Irvine, CA USA;
6.Columbia Univ, Lamont Doherty Earth Observ, Palisades, NY USA;
7.Columbia Univ, Dept Earth & Environm Sci, Palisades, NY USA;
8.MIT, Dept Earth Atmospher & Planetary Sci, Cambridge, MA USA;
9.Macalester Coll, Dept Environm Studies, St Paul, MN 55105 USA;
10.Univ Milano Bicocca, Dept Earth & Environm Sci, Milan, Italy;
11.Macquarie Univ, Dept Environm Sci, Sydney, NSW 2109, Australia;
12.Univ Maine, Climate Change Inst, Orono, ME USA
推荐引用方式
GB/T 7714
Albani, S.,Mahowald, N. M.,Murphy, L. N.,et al. Paleodust variability since the Last Glacial Maximum and implications for iron inputs to the ocean[J],2016,43(8):3944-3954.
APA Albani, S..,Mahowald, N. M..,Murphy, L. N..,Raiswell, R..,Moore, J. K..,...&Mayewski, P. A..(2016).Paleodust variability since the Last Glacial Maximum and implications for iron inputs to the ocean.GEOPHYSICAL RESEARCH LETTERS,43(8),3944-3954.
MLA Albani, S.,et al."Paleodust variability since the Last Glacial Maximum and implications for iron inputs to the ocean".GEOPHYSICAL RESEARCH LETTERS 43.8(2016):3944-3954.
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