Content Provider
Directory of Open Access Journals: DOAJ Articles
164
University of Calgary Journal Hosting
88
Unknown
35
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
32
Xiamen University Institutional Repository
31
Arctic Institute of North America
29
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
29
Wiley Online Library
28
Niedersächsisches Online-Archiv NOA
26
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
25
DataCite Metadata Store (German National Library of Science and Technology)
23
ScienceDirect (Elsevier - via Crossref)
21
Frontiers (Publisher)
18
Arctic Portal Library
17
Université de Nantes: HAL-UNIV-NANTES
15
HAL Sorbonne Université
14
National Institute of Polar Research Repository, Japan
14
University of Tromsø: Munin Open Research Archive
14
University of Southampton: e-Prints Soton
13
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
11
Institut national des sciences de l'Univers: HAL-INSU
11
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
10
Cambridge University Press
9
IOP Publishing
9
Aarhus University: Research
8
Springer Nature (via Crossref)
8
Zenodo
8
Dryad Digital Repository (Duke University)
7
Natural Environment Research Council: NERC Open Research Archive
7
Old Dominion University: ODU Digital Commons
7
Digital.CSIC (Spanish National Research Council)
6
Naval Postgraduate School: Calhoun
6
Pohang University of Science and Technology (POSTECH): Open Access System for Information Sharing (OASIS)
6
eCite UTAS (University of Tasmania)
6
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
5
Polar Research (E-Journal)
5
ScienceDirect (Elsevier)
5
University of Tasmania: UTas ePrints
5
Archives ouvertes de Paris-Saclay
4
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
4
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
4
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
4
Research Center for Eco-Environmental Sciences: RCEES OpenIR (Chinese Academy of Sciences)
4
ScholarsArchive@OSU (Oregon State University)
4
University of St Andrews: Research Portal
4
Arctic and Antarctic Research (E-Journal)
3
Canadian Science Publishing (via Crossref)
3
DSpace@MIT (Massachusetts Institute of Technology)
3
Digital Commons University of South Florida (USF)
3
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
3
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