Content Provider
USGS Science Data Catalog (via DataONE)
2,262
DataCite Metadata Store (German National Library of Science and Technology)
138
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
118
NOAA NCEI Environmental Data Archive (via DataONE)
82
Natural Environment Research Council: NERC Open Research Archive
58
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
40
University of Southampton: e-Prints Soton
28
Durham University: Durham Research Online
21
ScienceDirect (Elsevier - via Crossref)
20
Springer Nature (via Crossref)
17
Research Data Australia (Australian National Data Service - ANDS)
15
LSU Digital Commons (Louisiana State University)
14
Digital Commons University of South Florida (USF)
13
Digital.CSIC (Spanish National Research Council)
13
University of South Florida St. Petersburg: Digital USFSP
13
University of New Hampshire: Scholars Repository
12
University of Michigan: Deep Blue
10
Unknown
10
Frontiers: Figshare
9
Wiley Online Library
9
DataCite
8
Cardiff University: ORCA (Online Research @ Cardiff)
7
University of Glasgow: Enlighten - Publications
7
CyberLeninka (Scientific Electronic Library)
6
RePEc (Research Papers in Economics)
6
Caltech Authors (California Institute of Technology)
5
James Cook University, Australia: ResearchOnline@JCU
5
Zenodo
5
Cambridge University Press
4
ESS-DIVE: Deep Insight for Earth Science Data (via DataONE)
4
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
4
Instituto Español de Oceanografía: e-IEO
4
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
4
University College London: UCL Discovery
4
The Open University: Open Research Online (ORO)
3
University of Rhode Island: DigitalCommons@URI
3
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen)
2
IEEE Publications
2
IOP Publishing
2
Indian Academy of Sciences: Publication of Fellows
2
Institute for Marine Research: Brage IMR
2
KovsieScholar Repository (University of the Free State - UFS UV)
2
Max Planck Society: MPG.PuRe
2
NASA Technical Reports Server (NTRS)
2
Newcastle University Library ePrints Service
2
Norwegian Polar Data Centre
2
ScholarsArchive@OSU (Oregon State University)
2
ScienceDirect (Elsevier)
2
The University of Southern Mississippi: The Aquila Digital Community
2
University of Massachusetts: ScholarWorks@UMass Amherst
2
more ...