Arid
DOI10.1002/2016JD025025
Soluble ferrous iron (Fe (II)) enrichment in airborne dust
Bhattachan, Abinash1; Reche, Isabel2,3; D’Odorico, Paolo1,4
通讯作者Bhattachan, Abinash
来源期刊JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
ISSN2169-897X
EISSN2169-8996
出版年2016
卷号121期号:17页码:10153-10160
英文摘要

The input of soluble iron in dust delivered to the ocean and lakes is critical to their biogeochemistry and phytoplankton productivity. Most iron in soils and sediment deposits is insoluble, while only a tiny fraction is soluble and therefore suitable to meet the phytoplankton’s requirements for photosynthesis and nitrogen assimilation. Aerosol deposition constitutes a major source of soluble iron to oceans and lakes, and in some regions the low phytoplankton productivity has been related to limitations in the supply of soluble iron from terrestrial sources. It is suggested that during atmospheric transport part of the insoluble iron is converted into soluble form. While the understanding of increased bioavailability of iron during atmospheric transport is improving, there are only a limited number of studies that actually quantify the increase in iron bioavailability in dust. In this study we compare the soluble ferrous iron, Fe (II) content in dust collected at deposition sites in the high-altitude mountains of the Sierra Nevada, Spain, to the source of dust in North Africa. We found that the dust is greatly enriched (on average 15 times) in Fe (II) relative to the fine fraction (<45 mu m) of the parent soil collected from North African dust sources.


英文关键词atmopsheric dust iron enrichment atmospheric transport
类型Article
语种英语
国家USA ; Spain
收录类别SCI-E
WOS记录号WOS:000384823000010
WOS关键词HIGH-MOUNTAIN LAKES ; SAHARAN DUST ; MEDITERRANEAN REGION ; ATMOSPHERIC INPUTS ; AFRICAN DUST ; DESERT DUST ; OCEAN ; AEROSOL ; BIOGEOCHEMISTRY ; PHOSPHORUS
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/194456
作者单位1.Univ Virginia, Dept Environm Sci, Clark Hall, Charlottesville, VA 22903 USA;
2.Univ Granada, Fac Ciencias, Dept Ecol, Granada, Spain;
3.Univ Granada, Inst Agua, Granada, Spain;
4.Univ Maryland, Natl Socioenvironm Synth Ctr, Annapolis, MD USA
推荐引用方式
GB/T 7714
Bhattachan, Abinash,Reche, Isabel,D’Odorico, Paolo. Soluble ferrous iron (Fe (II)) enrichment in airborne dust[J],2016,121(17):10153-10160.
APA Bhattachan, Abinash,Reche, Isabel,&D’Odorico, Paolo.(2016).Soluble ferrous iron (Fe (II)) enrichment in airborne dust.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,121(17),10153-10160.
MLA Bhattachan, Abinash,et al."Soluble ferrous iron (Fe (II)) enrichment in airborne dust".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 121.17(2016):10153-10160.
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