Biogeochemistry of dust sources in Southern Africa

In Southern Africa, the Makgadikgadi Pan in Botswana and the Etosha Pan in Namibia are two of the major dust sources in the Southern Hemisphere. Dust from Southern Africa could play an important role in sustaining the productivity of the surrounding terrestrial and marine ecosystems. However, very l...

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Bibliographic Details
Published in:Journal of arid environments 2015-06, Vol.117, p.18-27
Main Authors: Bhattachan, A., D'Odorico, P., Okin, G.S.
Format: Article
Language:English
Subjects:
Biogeochemistry
Dust
Dust sources
Ecosystems
Iron
Kalahari dunes
Marine
Pans
Parents
Salt pans
Soil (material)
Southern Africa
Sustaining
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Summary:In Southern Africa, the Makgadikgadi Pan in Botswana and the Etosha Pan in Namibia are two of the major dust sources in the Southern Hemisphere. Dust from Southern Africa could play an important role in sustaining the productivity of the surrounding terrestrial and marine ecosystems. However, very little is known about the biogeochemical properties of dust from this region. In this study, we analyze sediments from the Makgadikgadi and Etosha salt pans and the Kalahari dunes and compare the total nitrogen, total phosphorous, soluble iron and common anions between the soil fine fraction (
ISSN:0140-1963
1095-922X
DOI:10.1016/j.jaridenv.2015.02.013