Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
545
DataCite Metadata Store (German National Library of Science and Technology)
439
DataCite
373
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
229
NOAA NCEI Environmental Data Archive (via DataONE)
85
Zenodo
52
International Arctic Research Center (IARC) Data Archive (via DataONE)
46
LeibnizOpen (The Leibniz Association)
42
Arctic Data Center (via DataONE)
38
Directory of Open Access Journals: DOAJ Articles
30
Unknown
30
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
29
Digital.CSIC (Spanish National Research Council)
26
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
22
The University of Dublin, Trinity College: TARA (Trinity's Access to Research Archive)
20
Research Data Australia (Australian National Data Service - ANDS)
19
Copernicus Publications: E-Journals
15
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
13
Niedersächsisches Online-Archiv NOA
13
German Aerospace Center: elib - DLR electronic library
9
Max Planck Society: MPG.PuRe
8
Apollo - University of Cambridge Repository
6
GEO-LEOe-docs (FID GEO)
6
Technical University of Denmark: DTU Orbit
6
Wiley Online Library
6
Georg-August-Universität Göttingen: GoeScholar
5
Journal of large-scale research facilities (JLSRF)
5
Norwegian Polar Data Centre
5
University of Pretoria: UPSpace
5
Institut national des sciences de l'Univers: HAL-INSU
4
MDPI Open Access Publishing
4
National Institute of Polar Research Repository, Japan
4
Texas Tech University: TTU DSpace Repository
4
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
4
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
3
Biological and Chemical Oceanography Data Management Office (BCO-DMO) (via DataONE)
3
HAL Clermont Auvergne (Université Blaise Pascal Clermont-Ferrand/Université d'Auvergne)
3
King Abdullah University of Science and Technology: KAUST Repository
3
Publication Database IASS (Institute for Advanced Sustainability Studies Potsdam)
3
University of Potsdam: publish.UP
3
Caltech Authors (California Institute of Technology)
2
Cambridge University Press
2
Cologne University: KUPS
2
Defense Technical Information Center: DTIC Technical Reports database
2
Delft University of Technology: Institutional Repository
2
GFZ Data Services (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
2
Gutenberg Open Science (Open-Science-Repository of the Johannes Gutenberg-University Mainz)
2
Institutional Repository of Leibniz Universität Hannover
2
Inta Digital (ID - Instituto Nacional de Tecnología Agropecuaria)
2
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
2
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