Abstract
The GEOTRACES Intermediate Data Product 2017 (IDP2017) is the second publicly available data product of the international GEOTRACES programme, and contains data measured and quality controlled before the end of 2016. The IDP2017 includes data from the Atlantic, Pacific, Arctic, Southern and Indian oceans, with about twice the data volume of the previous IDP2014. For the first time, the IDP2017 contains data for a large suite of biogeochemical parameters as well as aerosol and rain data characterising atmospheric trace element and isotope (TEI) sources. The TEI data in the IDP2017 are quality controlled by careful assessment of intercalibration results and multi-laboratory data comparisons at crossover stations. The IDP2017 consists of two parts: (1) a compilation of digital data for more than 450 TEIs as well as standard hydrographic parameters, and (2) the eGEOTRACES Electronic Atlas providing an on-line atlas that includes more than 590 section plots and 130 animated 3D scenes. The digital data are provided in several formats, including ASCII, Excel spreadsheet, netCDF, and Ocean Data View collection. Users can download the full data packages or make their own custom selections with a new on-line data extraction service. In addition to the actual data values, the IDP2017 also contains data quality flags and 1-σ data error values where available. Quality flags and error values are useful for data filtering and for statistical analysis. Metadata about data originators, analytical methods and original publications related to the data are linked in an easily accessible way. The eGEOTRACES Electronic Atlas is the visual representation of the IDP2017 as section plots and rotating 3D scenes. The basin-wide 3D scenes combine data from many cruises and provide quick overviews of large-scale tracer distributions. These 3D scenes provide geographical and bathymetric context that is crucial for the interpretation and assessment of tracer plumes near ocean margins or along ridges. The IDP2017 is the result of a truly international effort involving 326 researchers from 25 countries. This publication provides the critical reference for unpublished data, as well as for studies that make use of a large cross-section of data from the IDP2017. This article is part of a special issue entitled: Conway GEOTRACES - edited by Tim M. Conway, Tristan Horner, Yves Plancherel, and Aridane G. González.
| Original language | English |
|---|---|
| Pages (from-to) | 210-223 |
| Number of pages | 14 |
| Journal | Chemical Geology |
| Volume | 493 |
| DOIs | |
| State | Published - 20 Aug 2018 |
Bibliographical note
Publisher Copyright:© 2018 The Authors
Funding
We gratefully acknowledge financial support by the Scientific Committee on Oceanic Research (SCOR) through grants from the U.S. National Science Foundation, including grants OCE-0608600, OCE-0938349, OCE-1243377, and OCE-1546580. Financial support was also provided by the UK Natural Environment Research Council (NERC), the Ministry of Earth Science of India, the Centre National de Recherche Scientifique, l'Université Paul Sabatier de Toulouse, the Observatoire Midi-Pyrénées Toulouse, the Universitat Autònoma de Barcelona, the Kiel Excellence Cluster The Future Ocean, the Swedish Museum of Natural History, The University of Tokyo, The University of British Columbia, The Royal Netherlands Institute for Sea Research, the GEOMAR-Helmholtz Centre for Ocean Research Kiel, and the Alfred Wegener Institute. We thank Edward Urban for his sustained strong support of the GEOTRACES programme and for all his assistance during the creation of the intermediate data products and the preparation of this publication. We gratefully acknowledge financial support by the Scientific Committee on Oceanic Research (SCOR) through grants from the U.S. National Science Foundation , including grants OCE-0608600, OCE-0938349, OCE-1243377, and OCE-1546580. Financial support was also provided by the UK Natural Environment Research Council (NERC), the Ministry of Earth Science of India , the Centre National de Recherche Scientifique , l'Université Paul Sabatier de Toulouse , the Observatoire Midi-Pyrénées Toulouse , the Universitat Autònoma de Barcelona , the Kiel Excellence Cluster The Future Ocean , the Swedish Museum of Natural History , The University of Tokyo , The University of British Columbia , The Royal Netherlands Institute for Sea Research , the GEOMAR-Helmholtz Centre for Ocean Research Kiel , and the Alfred Wegener Institute . We thank Edward Urban for his sustained strong support of the GEOTRACES programme and for all his assistance during the creation of the intermediate data products and the preparation of this publication.
| Funders | Funder number |
|---|---|
| Alfred Wegener Institute | |
| GEOMAR-Helmholtz Centre for Ocean Research Kiel | |
| Ministry of Earth Science of India | |
| Swedish Museum of Natural History | |
| The Royal Netherlands Institute for Sea Research | |
| National Science Foundation | 1436748, OCE-1546580, 0938349, OCE-0938349, 0608600, 1243377, OCE-1243377, 1735445, OCE-0608600 |
| Natural Environment Research Council | NE/N001141/1, NE/H004475/1, NE/P018181/1, NE/H004289/1, NE/J021636/1, NE/H005390/1, NE/G016267/1, NE/H006095/1 |
| Japan Society for the Promotion of Science | 16H02701 |
| Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research | |
| University of Tokyo | |
| Centre National de la Recherche Scientifique | |
| University of British Columbia | |
| Koninklijk Nederlands Instituut voor Onderzoek der Zee | |
| Universitat Autònoma de Barcelona |
Keywords
- Electronic atlas
- GEOTRACES
- IDP2017
- Isotopes
- Trace elements
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