From silk to satellite: Half a century of ocean colour anomalies in the Northeast Atlantic
AuthorsRaitsos, Dionysios E.
McQuatters-Gollop, Abigail L.
Reid, Philip Chris
Richardson, Anthony J.
KAUST DepartmentPhysical Sciences and Engineering (PSE) Division
Environmental Science and Engineering Program
Earth Fluid Modeling and Prediction Group
MetadataShow full item record
AbstractChanges in phytoplankton dynamics influence marine biogeochemical cycles, climate processes, and food webs, with substantial social and economic consequences. Large-scale estimation of phytoplankton biomass was possible via ocean colour measurements from two remote sensing satellites - the Coastal Zone Colour Scanner (CZCS, 1979-1986) and the Sea-viewing Wide Field-of-view Sensor (SeaWiFS, 1998-2010). Due to the large gap between the two satellite eras and differences in sensor characteristics, comparison of the absolute values retrieved from the two instruments remains challenging. Using a unique in situ ocean colour dataset that spans more than half a century, the two satellite-derived chlorophyll-a (Chl-a) eras are linked to assess concurrent changes in phytoplankton variability and bloom timing over the Northeast Atlantic Ocean and North Sea. Results from this unique re-analysis reflect a clear increasing pattern of Chl-a, a merging of the two seasonal phytoplankton blooms producing a longer growing season and higher seasonal biomass, since the mid-1980s. The broader climate plays a key role in Chl-a variability as the ocean colour anomalies parallel the oscillations of the Northern Hemisphere Temperature (NHT) since 1948. © 2013 John Wiley & Sons Ltd.
JournalGlobal Change Biology
- Seasonality of North Atlantic phytoplankton from space: impact of environmental forcing on a changing phenology (1998-2012).
- Authors: González Taboada F, Anadón R
- Issue date: 2014 Mar
- Climate-driven basin-scale decadal oscillations of oceanic phytoplankton.
- Authors: Martinez E, Antoine D, D'Ortenzio F, Gentili B
- Issue date: 2009 Nov 27
- Mediterranean Ocean Colour Chlorophyll Trends.
- Authors: Colella S, Falcini F, Rinaldi E, Sammartino M, Santoleri R
- Issue date: 2016
- Summer diatom blooms in the North Pacific subtropical gyre: 2008-2009.
- Authors: Villareal TA, Brown CG, Brzezinski MA, Krause JW, Wilson C
- Issue date: 2012
- Perspectives on empirical approaches for ocean color remote sensing of chlorophyll in a changing climate.
- Authors: Dierssen HM
- Issue date: 2010 Oct 5