Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
2,273
PANGAEA - Data Publisher for Earth & Environmental Science
571
Unknown
449
Arctic Data Center (via DataONE)
400
Copernicus Publications: E-Journals
271
Directory of Open Access Journals: DOAJ Articles
267
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
238
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
218
University of Copenhagen: Research
214
Institut national des sciences de l'Univers: HAL-INSU
196
LeibnizOpen (The Leibniz Association)
187
BORIS (Bern Open Repository and Information System, University of Bern)
169
Niedersächsisches Online-Archiv NOA
168
Université de Nantes: HAL-UNIV-NANTES
162
Université Grenoble Alpes: HAL
112
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
103
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
101
Université Savoie Mont Blanc: HAL
99
Cambridge University Press
84
Natural Environment Research Council: NERC Open Research Archive
84
University of California: eScholarship
74
National Institute of Polar Research Repository, Japan
60
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
57
PubMed Central (PMC)
57
Lund University Publications (LUP)
54
ScholarsArchive@OSU (Oregon State University)
50
EPFL Infoscience (Ecole Polytechnique Fédérale Lausanne)
49
HAL Sorbonne Université
39
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
39
Archives ouvertes de Paris-Saclay
37
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
37
ScienceDirect (Elsevier - via Crossref)
36
University of New Hampshire: Scholars Repository
36
Institute of Earth Environment: IEECAS OpenIR (Chinese Academy of Sciences)
35
The University of Maine: DigitalCommons@UMaine
33
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
32
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
32
AAAS Resource Center (American Association for the Advancement of Science)
30
Wiley Online Library
30
Wiley Online Library (via Crossref)
30
Utrecht University Repository
29
Apollo - University of Cambridge Repository
28
University College London: UCL Discovery
27
University of Cambridge, Department of Earth Sciences: ESC Publications
25
Aarhus University: Research
24
Springer Nature (via Crossref)
24
Australian National University: ANU Digital Collections
23
DORA Eawag
23
Queen's University Belfast Research Portal
23
University of Groningen research database
23
more ...