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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Potential controls of isoprene in the surface ocean
Global Biogeochemical Cycles, Volume 31, No. 4, Year 2017
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Description
Isoprene surface ocean concentrations and vertical distribution, atmospheric mixing ratios, and calculated sea-to-air fluxes spanning approximately 125° of latitude (80°N–45°S) over the Arctic and Atlantic Oceans are reported. Oceanic isoprene concentrations were associated with a number of concurrently monitored biological variables including chlorophyll a (Chl a), photoprotective pigments, integrated primary production (intPP), and cyanobacterial cell counts, with higher isoprene concentrations relative to all respective variables found at sea surface temperatures greater than 20°C. The correlation between isoprene and the sum of photoprotective carotenoids, which is reported here for the first time, was the most consistent across all cruises. Parameterizations based on linear regression analyses of these relationships perform well for Arctic and Atlantic data, producing a better fit to observations than an existing Chl a-based parameterization. Global extrapolation of isoprene surface water concentrations using satellite-derived Chl a and intPP reproduced general trends in the in situ data and absolute values within a factor of 2 between 60% and 85%, depending on the data set and algorithm used. ©2017. The Authors.
Authors & Co-Authors
Airs, Ruth Louise
United Kingdom, Plymouth
Plymouth Marine Laboratory
Arnold, Steve R.
United Kingdom, Leeds
University of Leeds
Bouman, Heather A.
United Kingdom, Oxford
University of Oxford
Brewin, Robert J.W.
United Kingdom, Plymouth
Plymouth Marine Laboratory
Chance, R. J.
United Kingdom, York
University of York
Cummings, Denise G.
United Kingdom, Plymouth
Plymouth Marine Laboratory
Dall'Olmo, Giorgio
United Kingdom, Plymouth
Plymouth Marine Laboratory
Lewis, Alastair C.
United Kingdom, York
University of York
Tarran, Glen Adam
United Kingdom, Plymouth
Plymouth Marine Laboratory
Tilstone, Gavin H.
United Kingdom, Plymouth
Plymouth Marine Laboratory
Carpenter, Lucy J.
United Kingdom, York
University of York
Statistics
Citations: 48
Authors: 11
Affiliations: 6
Identifiers
Doi:
10.1002/2016GB005531
ISSN:
08866236
Research Areas
Environmental