Journal
EARTH SYSTEM SCIENCE DATA
Volume 8, Issue 2, Pages 325-340Publisher
COPERNICUS GESELLSCHAFT MBH
DOI: 10.5194/essd-8-325-2016
Keywords
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Funding
- Norwegian Research Council [214513/F20, 229752, 229791]
- EU-IP CARBOCHANGE (FP7) [264878]
- FRAM - High North Research Centre for Climate and the Environment
- Centre for Climate Dynamics at the Bjerknes Centre for Climate Research
- EU AtlantOS project [633211]
- KeyCrafts grant [2012-001]
- CICS [NA08OAR4320752, NA14OAR4320106]
- NASA [NNX12AQ22G]
- NSF [OCE-0825163, C119245, PLR-1425989, 4000133565]
- US Department of Energy
- project MEXT [24121003]
- BOCATS project [CTM20134410484P]
- Spanish government and the Fondo Europeo de Desarrollo Regional (FEDER)
- U.S. National Science Foundation [OCE-1243377]
- Directorate For Geosciences
- Division Of Ocean Sciences [1546580] Funding Source: National Science Foundation
- Grants-in-Aid for Scientific Research [24121003] Funding Source: KAKEN
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We present a mapped climatology (GLODAPv2.2016b) of ocean biogeochemical variables based on the new GLODAP version 2 data product (Olsen et al., 2016; Key et al., 2015), which covers all ocean basins over the years 1972 to 2013. The quality- controlled and internally consistent GLODAPv2 was used to create global 1 degrees x 1 degrees mapped climatologies of salinity, temperature, oxygen, nitrate, phosphate, silicate, total dissolved inorganic carbon (TCO2), total alkalinity (TAlk), pH, and CaCO3 saturation states using the DataInterpolating Variational Analysis (DIVA) mapping method. Improving on maps based on an earlier but similar dataset, GLODAPv1.1, this climatology also covers the Arctic Ocean. Climatologies were created for 33 standard depth surfaces. The conceivably confounding temporal trends in TCO2 and pH due to anthropogenic influence were removed prior to mapping by normalizing these data to the year 2002 using first- order calculations of anthropogenic carbon accumulation rates. We additionally provide maps of accumulated anthropogenic carbon in the year 2002 and of preindustrial TCO2. For all parameters, all data from the full 1972- 2013 period were used, including data that did not receive full secondary quality control. The GLODAPv2.2016b global 1 degrees x 1 degrees mapped climatologies, including error fields and ancillary information, are available at the GLODAPv2 web page at the Carbon Dioxide Information Analysis Center (CDIAC; doi: 10.3334/ CDIAC/ OTG. NDP093_ GLODAPv2).
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