State of corals and coral reefs of the Galapagos Islands (Ecuador): Past, present and future

Glynn, Peter W.; Feingold, Joshua S.; Baker, Andrew; Banks, Stuart; Baums, Iliana B.; Cole, Julia; Colgan, Mitchell W.; Fong, Peggy; Glynn, Peter J.; Keith, Inti; Manzello, Derek; Riegl, Bernhard; Ruttenberg, Benjamin I.; Smith, Tyler B.; Vera-Zambrano, Mariana

doi:10.1016/j.marpolbul.2018.06.002

i

State of corals and coral reefs of the Galapagos Islands (Ecuador): Past, present and future

2018
By Glynn, Peter W. ; Feingold, Joshua S. ; Baker, Andrew ; ...

Details

Journal Title:

Marine Pollution Bulletin
Personal Author:

Glynn, Peter W. ; Feingold, Joshua S. ; Baker, Andrew ; Banks, Stuart ; Baums, Iliana B. ; Cole, Julia ; Colgan, Mitchell W. ; Fong, Peggy ; Glynn, Peter J. ; Keith, Inti ; Manzello, Derek ; Riegl, Bernhard ; Ruttenberg, Benjamin I. ; Smith, Tyler B. ; Vera-Zambrano, Mariana
Corporate Authors:

United States. National Oceanic and Atmospheric Administration. Office of Oceanic and Atmospheric Research, ; Atlantic Oceanographic and Meteorological Laboratory ; United States, National Oceanic and Atmospheric Administration, ; Coral Reef Conservation Program (U.S.)
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; AOML (Atlantic Oceanographic and Meteorological Laboratory) ; CoRIS (Coral Reef Information System)
Description:

We estimated monthly air-sea CO2 fluxes in the Arctic Ocean and its adjacent seas north of 60 degrees N from 1997 to 2014. This was done by mapping partial pressure of CO2 in the surface water (pCO(2w) using a self-organizing map (SOM) technique incorporating chlorophyll a concentration (Chl a), sea surface temperature, sea surface salinity, sea ice concentration, atmospheric CO2 mixing ratio, and geographical position. We applied new algorithms for extracting Chl a from satellite remote sensing reflectance with close examination of uncertainty of the obtained Chl a values. The overall relationship between pCO(2w) and Chl a was negative, whereas the relationship varied among seasons and regions. The addition of Chl a as a parameter in the SOM process enabled us to improve the estimate of pCO(2w), particularly via better representation of its decline in spring, which resulted from biologically mediated pCO(2w) reduction. As a result of the inclusion of Chl a, the uncertainty in the CO2 flux estimate was reduced, with a net annual Arctic Ocean CO2 uptake of 180 +/- 130 TgCyr(-1). Seasonal to interannual variation in the CO2 influx was also calculated.
Source:

Marine Pollution Bulletin, 133, 717-733.
DOI:

https://doi.org/10.1016/j.marpolbul.2018.06.002
Document Type:

Journal Article
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Accepted Manuscript
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