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Cited by 409

The DOI matches its Crossref record; 39 of the 39 references it cites were found in a registry or an index.

The fertilizing role of African dust in the Amazon rainforest: A first multiyear assessment based on data from Cloud‐Aerosol Lidar and Infrared Pathfinder Satellite Observations

Open access
Yu, Hongbin, Chin, Mian, Yuan, Tianle, Bian, Huisheng, Remer, Lorraine A., Prospero, Joseph M., Omar, Ali, Winker, David, Yang, Yuekui, Zhang, Yan, Zhang, Zhibo, Zhao, Chun·2015·Geophysical Research Letters
DOI 10.1002/2015gl063040
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Abstract

The productivity of the Amazon rainforest is constrained by the availability of nutrients, in particular phosphorus (P). Deposition of long‐range transported African dust is recognized as a potentially important but poorly quantified source of phosphorus. This study provides a first multiyear satellite‐based estimate of dust deposition into the Amazon Basin using three‐dimensional (3‐D) aerosol measurements over 2007–2013 from the Cloud‐Aerosol Lidar with Orthogonal Polarization (CALIOP). The 7 year average of dust deposition into the Amazon Basin is estimated to be 28 (8–48) Tg a−1 or 29 (8–50) kg ha−1 a−1. The dust deposition shows significant interannual variation that is negatively correlated with the prior‐year rainfall in the Sahel. The CALIOP‐based multiyear mean estimate of dust deposition matches better with estimates from in situ measurements and model simulations than a previous satellite‐based estimate does. The closer agreement benefits from a more realistic geographic definition of the Amazon Basin and inclusion of meridional dust transport calculation in addition to the 3‐D nature of CALIOP aerosol measurements. The imported dust could provide about 0.022 (0.006–0.037) Tg P of phosphorus per year, equivalent to 23 (7–39) g P ha−1 a−1 to fertilize the Amazon rainforest. This out‐of‐basin phosphorus input is comparable to the hydrological loss of phosphorus from the basin, suggesting an important role of African dust in preventing phosphorus depletion on timescales of decades to centuries.

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Metadata

Authors
Yu, H., Chin, M., Yuan, T., Bian, H., Remer, L. A., Prospero, J. M., Omar, A., Winker, D., Yang, Y., Zhang, Y., Zhang, Z., & Zhao, C.
Venue
Geophysical Research Letters
Publisher
American Geophysical Union (AGU)
Published
2015-03-18
Volume
42
Issue
6
Pages
1984-1991
ISSN
  • 0094-8276 (ISSN-L)
  • 1944-8007
DOI
10.1002/2015gl063040
OpenAlex
W2137121736
Cited by
409
References
39
FWCI
21.49
Type
journal article
Language
en
Open access
green

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