Content Provider
NOAA NCEI Environmental Data Archive (via DataONE)
81
PANGAEA - Data Publisher for Earth & Environmental Science
46
DataCite Metadata Store (German National Library of Science and Technology)
45
Arctic Data Center (via DataONE)
35
Directory of Open Access Journals: DOAJ Articles
29
USGS Science Data Catalog (via DataONE)
22
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
17
Naval Postgraduate School: Calhoun
9
MDPI Open Access Publishing
8
University of Calgary Journal Hosting
8
Unknown
8
Xiamen University Institutional Repository
8
Biodiversity Heritage Library (BHL)
6
Old Dominion University: ODU Digital Commons
6
University of Alaska: ScholarWorks@UA
6
University of New Hampshire: Scholars Repository
6
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
5
Zenodo
5
University of North Texas: UNT Digital Library
4
Frontiers: Figshare
3
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
3
Research Workspace (via DataONE)
3
Stockholm University: Publications (DiVA)
3
University of South Carolina Libraries: Scholar Commons
3
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
2
Digital.CSIC (Spanish National Research Council)
2
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
2
Kyoto University Research Information Repository (KURENAI)
2
Texas A&M University Digital Repository
2
The Hong Kong University of Science and Technology: HKUST Institutional Repository
2
The University of Delaware Library Institutional Repository
2
University of Maryland: Digital Repository (DRUM)
2
University of Victoria (Canada): UVicDSpace
2
Université de Nantes: HAL-UNIV-NANTES
2
Clark University: Clark Digital Commons
1
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
1
Defense Technical Information Center: DTIC Technical Reports database
1
HELDA – University of Helsinki Open Repository
1
Hrčak - Portal of scientific journals of Croatia
1
IEDA: EarthChem Library (via DataONE)
1
Institut national de la recherche scientifique, Québec: Espace INRS
1
Institut national des sciences de l'Univers: HAL-INSU
1
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
1
NAOSITE: Nagasaki University Academic Output SITE
1
NOVA: The University of Newcastle Research Online (Australia)
1
OhioLINK: Electronic Theses and Dissertations Center
1
Pensoft Publishers
1
SEANOE (Sea scientific open data publication)
1
SMHI (Swedish Meteorological and Hydrological Institute): Vetenskapliga Publikationer (DiVA)
1
The University of Southern Mississippi: The Aquila Digital Community
1
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