Content Provider
Directory of Open Access Journals: DOAJ Articles
23
Natural Environment Research Council: NERC Open Research Archive
16
Unknown
9
DataCite Metadata Store (German National Library of Science and Technology)
6
Niedersächsisches Online-Archiv NOA
6
University of Tasmania: UTas ePrints
6
Digital.CSIC (Spanish National Research Council)
4
University of St Andrews: Research Portal
4
eCite UTAS (University of Tasmania)
4
Università degli Studi di Napoli "Parthenope": CINECA IRIS
3
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
3
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
Arctic Portal Library
2
Cambridge University Press
2
Old Dominion University: ODU Digital Commons
2
ScholarWorks@UNIST (Ulsan National Institute of Science and Technology)
2
University College London: UCL Discovery
2
University of Southampton: e-Prints Soton
2
University of St Andrews: Digital Research Repository
2
Utrecht University Repository
2
White Rose Research Online (Universities of Leeds, Sheffield & York)
2
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
1
Ambiente & Água (E-Journal, Universidade de Taubaté)
1
Apollo - University of Cambridge Repository
1
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
Arctic and Antarctic Research
1
Caltech Authors (California Institute of Technology)
1
Columbia University: Academic Commons
1
Council for Scientific and Industrial Research (South Africa): CSIR Research Space
1
DataCite
1
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
1
GEO-LEOe-docs (FID GEO)
1
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
1
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
1
IRIS Università degli Studi di Palermo
1
Institut national des sciences de l'Univers: HAL-INSU
1
KU Leuven: Lirias
1
Masaryk University Journals
1
Northumbria University, Newcastle: Northumbria Research Link (NRL)
1
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
1
Polar Research
1
Springer Nature (via Crossref)
1
The University of Liverpool Repository
1
The University of Queensland: UQ eSpace
1
The University of Waikato: Research Commons
1
Universidad de Chile: Repositorio académico
1
University of Bergen: Bergen Open Research Archive (BORA-UiB)
1
University of California: eScholarship
1
University of East Anglia: UEA Digital Repository
1
University of Exeter: Open Research Exeter (ORE)
1
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