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Earth, Wind, Fire, and Pollution: Aerosol Nutrient Sources and Impacts on Ocean Biogeochemistry

Journal Article · · Annual Review of Marine Science
 [1];  [2];  [3];  [2];  [4];  [5];  [6];  [7];  [8];  [9];  [10];  [11];  [12];  [13];  [1]
  1. Department of Earth and Atmospheric Science, Cornell University, Ithaca, New York 14853, USA,
  2. Institute for Marine and Antarctic Studies, University of Tasmania, Battery Point, Tasmania 7004, Australia
  3. Department of Mechanical Engineering, Colorado State University, Fort Collins, Colorado 80521, USA
  4. Atmospheric Chemistry Observations and Modeling Laboratory, National Center for Atmospheric Research, Boulder, Colorado 80301, USA
  5. Laboratoire d'Océanographie de Villefranche, Sorbonne Université, CNRS, 06230 Villefranche-sur-Mer, France
  6. Yokohama Institute for Earth Sciences, Japan Agency for Marine-Earth Science and Technology, Yokohama, Kanagawa 236-0001, Japan
  7. Department of Chemistry, Ghent University, 9000 Ghent, Belgium
  8. Institute for Environmental Research and Sustainable Development, National Observatory of Athens, 15236 Penteli, Greece
  9. Climate and Marine Sciences Division, Eurasia Institute of Earth Sciences, Istanbul Technical University, 34469 Maslak, Istanbul, Turkey
  10. Department of Atmospheric Science, Colorado State University, Fort Collins, Colorado 80521, USA
  11. Institute of Meteorology, Freie Universität Berlin, 12165 Berlin, Germany
  12. School of Environmental Sciences, University of Liverpool, Liverpool L69 3GP, United Kingdom
  13. Leibniz Institute for Tropospheric Research, 04318 Leipzig, Germany

A key Earth system science question is the role of atmospheric deposition in supplying vital nutrients to the phytoplankton that form the base of marine food webs. Industrial and vehicular pollution, wildfires, volcanoes, biogenic debris, and desert dust all carry nutrients within their plumes throughout the globe. In remote ocean ecosystems, aerosol deposition represents an essential new source of nutrients for primary production. The large spatiotemporal variability in aerosols from myriad sources combined with the differential responses of marine biota to changing fluxes makes it crucially important to understand where, when, and how much nutrients from the atmosphere enter marine ecosystems. This review brings together existing literature, experimental evidence of impacts, and new atmospheric nutrient observations that can be compared with atmospheric and ocean biogeochemistry modeling. We evaluate the contribution and spatiotemporal variability of nutrient-bearing aerosols from desert dust, wildfire, volcanic, and anthropogenic sources, including the organic component, deposition fluxes, and oceanic impacts.

Research Organization:
Cornell Univ., Ithaca, NY (United States); Univ. of California, Irvine, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
DOE Contract Number:
SC0016362; SC0021302
OSTI ID:
1980845
Journal Information:
Annual Review of Marine Science, Vol. 14, Issue 1; ISSN 1941-1405
Publisher:
Annual Reviews
Country of Publication:
United States
Language:
English

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