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Input and cycling of iron in the Gulf of Aqaba, Red Sea
Citation
Chase, Z and Paytan, A and Johnson, KS and Street, J and Chen, Y, Input and cycling of iron in the Gulf of Aqaba, Red Sea, Global Biogeochemical Cycles: An International Journal of Global Change, 20 pp. GB3017. ISSN 0886-6236 (2006) [Refereed Article]
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Copyright Statement
Copyright 2006 American Geophysical Union
Abstract
The Gulf of Aqaba, northern Red Sea, is an ideal natural laboratory for studying the impact of atmospheric dry deposition of iron to the ocean surface. We have measured atmospheric iron deposition weekly for 18 months, and dissolved and total dissolvable iron concentrations in the stratified summer (August) and well-mixed winter (March) water column. Concentrations of dissolved and total dissolvable iron remain roughly constant with depth in March. In August, there is a strong surface enrichment of iron. The
accumulation of iron at the surface during the rain-free summer can be simulated by a one-dimensional model including atmospheric iron flux and estimates of iron scavenging,biological uptake and dissolution. An overall dissolution of 2% of dry deposited aerosol iron produces the best fit to the observations. A residence time of half a year for dissolved iron in surface waters with respect to scavenging is calculated for this region.
Item Details
Item Type: | Refereed Article |
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Keywords: | iron Gulf of Aqaba |
Research Division: | Earth Sciences |
Research Group: | Oceanography |
Research Field: | Chemical oceanography |
Objective Division: | Expanding Knowledge |
Objective Group: | Expanding knowledge |
Objective Field: | Expanding knowledge in the earth sciences |
UTAS Author: | Chase, Z (Professor Zanna Chase) |
ID Code: | 79535 |
Year Published: | 2006 |
Web of Science® Times Cited: | 48 |
Deposited By: | IMAS Research and Education Centre |
Deposited On: | 2012-09-18 |
Last Modified: | 2012-11-06 |
Downloads: | 1 View Download Statistics |
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