Content Provider
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Wiley Online Library (via Crossref)
6,017
eCite UTAS (University of Tasmania)
6,002
Oxford University Press (via Crossref)
5,960
Dryad Digital Repository (Duke University)
5,830
HAL Sorbonne Université
5,824
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
5,533
OLAC: Open Language Archives Community
5,468
Springer Nature
5,274
NASA Technical Reports Server (NTRS)
5,269
JSTOR (via Crossref)
5,232
University of Calgary Journal Hosting
5,164
Canadian Science Publishing (via Crossref)
5,107
University of St Andrews: Research Portal
5,090
SFU Digitized Collections (Simon Fraser University)
4,943
Arctic Institute of North America
4,889
Arctic Council Repository
4,824
University of Southampton: e-Prints Soton
4,594
Technical University of Denmark: DTU Orbit
4,432
Max Planck Society: MPG.PuRe
4,302
Institute for Marine Research: Brage IMR
4,226
Memorial University of Newfoundland: Research Repository
4,215
OECD iLibrary (via Crossref)
4,197
ArXiv.org (Cornell University Library)
4,119
Frontiers (Publisher)
4,119
University of Alaska: ScholarWorks@UA
3,925
Ohio State University (OSU): Knowledge Bank
3,912
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
3,877
IOP Publishing
3,747
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
3,721
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
3,551
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
3,372
University of Lethbridge Digitized Collections
3,353
USGS Science Data Catalog (via DataONE)
3,232
NTNU Open Archive (Norwegian University of Science and Technology)
3,231
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
3,213
Wageningen UR (University & Research Centre): Digital Library
3,205
Biological and Chemical Oceanography Data Management Office (BCO-DMO) (via DataONE)
3,187
SAGE Publications
3,136
Université Grenoble Alpes: HAL
3,134
Theses Canada/Thèses Canada (Library and Archives Canada)
3,109
Archives ouvertes de Paris-Saclay
3,078
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
3,040
University of Tasmania: UTas ePrints
3,039
Lund University Publications (LUP)
2,991
HELDA – University of Helsinki Open Repository
2,989
Luleå University of Technology Publications (DiVA)
2,972
Umeå University: Publications (DiVA)
2,971
University of Alberta: Era - Education and Research Archive
2,961
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
2,960
The Royal Society
2,928
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