Content Provider
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
130
Arctic Data Center (via DataONE)
112
DataCite Metadata Store (German National Library of Science and Technology)
112
ESS-DIVE: Deep Insight for Earth Science Data (via DataONE)
95
DataCite
21
Unknown
17
Directory of Open Access Journals: DOAJ Articles
13
University of Calgary Journal Hosting
9
Royal Holloway University of London: Royal Holloway Digital Repository
8
University of Washington, Seattle: Digital Collections
8
Zenodo
8
University of Alaska: ScholarWorks@UA
7
International Arctic Research Center (IARC) Data Archive (via DataONE)
6
USGS Science Data Catalog (via DataONE)
6
Wiley Online Library
5
Arctic Institute of North America
4
Copernicus Publications: E-Journals
4
NASA Technical Reports Server (NTRS)
4
Oregon Digital (University of Oregon/Oregon State University)
4
Informa
3
Niedersächsisches Online-Archiv NOA
3
University of California: eScholarship
3
Baylor University: BEARdocs
2
Boise State University: Scholar Works
2
Canadian Science Publishing (via Crossref)
2
IOP Publishing
2
MDPI Open Access Publishing
2
PANGAEA - Data Publisher for Earth & Environmental Science
2
ASCE Publications (American Society of Civil Engineers)
1
Alces (A Journal Devoted to the Biology and Management of Moose)
1
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
1
Cambridge University Press
1
Defense Technical Information Center: DTIC Technical Reports database
1
Dryad Digital Repository (Duke University)
1
Frontiers: Figshare
1
HELDA – University of Helsinki Open Repository
1
Hathi Trust Digital Library
1
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
1
Michigan Technological University: Digital Commons @ Michigan Tech
1
North Dakota State University (NDSU): Digital Horizons
1
Ohio State University (OSU): Knowledge Bank
1
PQDT Open: Open Access Dissertations and Theses (ProQuest)
1
PRISM - University of Calgary Digital Repository
1
Pensoft Publishers
1
PubMed Central (PMC)
1
RePEc (Research Papers in Economics)
1
SAGE Publications
1
ScienceDirect (Elsevier - via Crossref)
1
University of North Texas: UNT Digital Library
1
University of Tromsø: Septentrio Academic Publishing
1
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