Content Provider
Directory of Open Access Journals: DOAJ Articles
149
DataCite Metadata Store (German National Library of Science and Technology)
42
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
40
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
40
Unknown
28
ScienceDirect (Elsevier - via Crossref)
20
Niedersächsisches Online-Archiv NOA
19
Springer Nature (via Crossref)
13
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
12
Cambridge University Press
12
Lund University Publications (LUP)
12
Arctic and Antarctic Research (E-Journal)
11
IOP Publishing (via Crossref)
10
Ice and Snow (E-Journal)
10
University of Tromsø: Munin Open Research Archive
10
Université de Nantes: HAL-UNIV-NANTES
8
Wiley Online Library (via Crossref)
8
Max Planck Society: MPG.PuRe
7
Australian National University: ANU Digital Collections
6
Frontiers (Publisher)
6
Zenodo
6
Polar Research (E-Journal)
5
University of Bergen: Bergen Open Research Archive (BORA-UiB)
5
University of Calgary Journal Hosting
5
Aarhus University: Research
4
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
4
Institut national des sciences de l'Univers: HAL-INSU
4
NORA (National aggregator of open repositories of Russian universities)
4
NTNU Open Archive (Norwegian University of Science and Technology)
4
Natural Environment Research Council: NERC Open Research Archive
4
RePEc (Research Papers in Economics)
4
ScienceDirect (Elsevier)
4
University College London: UCL Discovery
4
University of North Texas: UNT Digital Library
4
Wiley Online Library
4
Arctic Portal Library
3
Columbia University: Academic Commons
3
HELDA – University of Helsinki Open Repository
3
IOP Publishing
3
NIOZ Repository (Royal Netherlands Institute for Sea Research)
3
National Institute of Polar Research Repository, Japan
3
Norwegian Institute for Water research: NIVA Open Access Archive (Brage)
3
Peoples' Friendship University of Russia (RUDN): Open repository
3
Stockholm University: Publications (DiVA)
3
Technical University of Denmark: DTU Orbit
3
Tomsk State University Research Library
3
UFZ - Publication Index (Helmholtz-Centre for Environmental Research)
3
Universitat Politècnica de Catalunya, BarcelonaTech: UPCommons - Global access to UPC knowledge
3
University of Southampton: e-Prints Soton
3
White Rose Research Online (Universities of Leeds, Sheffield & York)
3
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