A new global interior ocean mapped climatology: the 1 degrees x 1 degrees GLODAP version 2

Type Article
Date 2016-08
Language English
Author(s) Lauvset Siv K.1, 2, 3, Key Robert M.4, Olsen AreORCID1, 2, 3, Van Heuven Steven5, Velo Anton6, Lin Xiaohua4, Schirnick Carsten7, Kozyr Alex8, Tanhua Toste7, Hoppema Mario9, Jutterstrom Sara10, Steinfeldt Reiner11, Jeansson Emil3, Ishii Masao12, Perez Florian6, Suzuki Toru13, Watelet Sylvain14
Affiliation(s) 1 : Univ Bergen, Inst Geophys, Allegaten 70, N-5007 Bergen, Norway.
2 : Bjerknes Ctr Climate Res, Allegaten 70, N-5007 Bergen, Norway.
3 : Bjerknes Ctr Climate Res, Uni Res Climate, Allegt 55, N-5007 Bergen, Norway.
4 : Princeton Univ, Atmospher & Ocean Sci, 300 Forrestal Rd,Sayre Hall, Princeton, NJ 08544 USA.
5 : Royal Netherlands Inst Sea Res NIOZ, Marine Geol & Chem Oceanog, POB 59, NL-1790 AB Den Burg, Netherlands.
6 : CSIC, Inst Invest Marinas, Eduardo Cabello 6, Vigo 36208, Spain.
7 : GEOMAR Helmholtz Ctr Ocean Res Kiel, Dusternbrooker Weg 20, D-24105 Kiel, Germany.
8 : US DOE, Carbon Dioxide Informat Anal Ctr, Div Environm Sci, Oak Ridge Natl Lab, Bldg 4500N,Mail Stop 6290, Oak Ridge, TN 37831 USA.
9 : Alfred Wegener Inst, Helmholtz Ctr Polar & Marine Res, Bussestr 24, D-27570 Bremerhaven, Germany.
10 : IVL Swedish Environm Res Inst, Ascheberggatan 44, S-41133 Gothenburg, Sweden.
11 : Univ Bremen, Inst Environm Phys, Otto Hahn Allee, D-28359 Bremen, Germany.
12 : Japan Meteorol Agcy, Oceanog & Geochem Res Dept, Meteorol Res Inst, 1-1 Nagamine, Tsukuba, Ibaraki 3050052, Japan.
13 : Japan Hydrog Assoc, Marine Informat Res Ctr, Ota Ku, 1-6-6-6F Hanedakuko, Tokyo 1440041, Japan.
14 : Univ Liege, Dept Astrophys Geophys & Oceanog, Liege, Belgium.
Source Earth System Science Data (1866-3508) (Copernicus Gesellschaft Mbh), 2016-08 , Vol. 8 , N. 2 , P. 325-340
DOI 10.5194/essd-8-325-2016
WOS© Times Cited 265
Abstract

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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Lauvset Siv K., Key Robert M., Olsen Are, Van Heuven Steven, Velo Anton, Lin Xiaohua, Schirnick Carsten, Kozyr Alex, Tanhua Toste, Hoppema Mario, Jutterstrom Sara, Steinfeldt Reiner, Jeansson Emil, Ishii Masao, Perez Florian, Suzuki Toru, Watelet Sylvain (2016). A new global interior ocean mapped climatology: the 1 degrees x 1 degrees GLODAP version 2. Earth System Science Data, 8(2), 325-340. Publisher's official version : https://doi.org/10.5194/essd-8-325-2016 , Open Access version : https://archimer.ifremer.fr/doc/00383/49410/