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Althausen, Dietrich
30
Ansmann, Albert
30
Baars, Holger
30
Barja, Boris
30
Chudnovsky, Alexandra
30
Eloranta, Edwin W.
30
Engelmann, Ronny
30
Griesche, Hannes
30
Hofer, Julian
30
Jimenez, Cristofer
30
Knopf, Daniel A.
30
Ohneiser, Kevin
30
Radenz, Martin
30
Seifert, Patric
30
Villanueva, Diego
30
Wandinger, Ulla
30
Zamorano, Félix
30
Colton, G.W.
8
Harig, Christopher
5
Hay, Carling C.
5
Kopp, Robert E.
5
Laytchev, Konstantin
5
Mitrovica, Jerry X.
5
Bouillon, Sylvain
4
Bourdallé-Badie, R
4
Butavičius, Darius
4
Fichefet, Thierry
4
Goosse, Hugues
4
Madec, Gurvan
4
Maisonnave, E
4
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Arctic
39
Antarctica
28
aerosol
24
atmospheric pollution
24
marine atmosphere
24
ozone depletion
24
partial pressure
24
polar region
24
polar stratospheric cloud
24
pollution monitoring
24
satellite data
24
smoke
24
stratosphere
24
sulfate
24
wildfire
24
550
23
concentration (composition)
23
North Pole
12
Arctic Ocean
8
Exploration
8
Oceanography
7
Sea ice
7
Amundsen
6
Antarctic
5
Peary
5
geo
5
sea level
5
ANTARCTIC REGIONS
4
Alaska
4
Animalia
4
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LeibnizOpen (The Leibniz Association)
19
DataCite Metadata Store (German National Library of Science and Technology)
17
North Dakota State University (NDSU): Digital Horizons
13
David Rumsey Historical Map Collection (Cartography Associates)
12
Unknown
11
Cambridge University Press
9
Directory of Open Access Journals: DOAJ Articles
6
University of Calgary Journal Hosting
6
Defense Technical Information Center: DTIC Technical Reports database
5
University of Washington, Seattle: Digital Collections
4
MDPI Open Access Publishing
3
Research Data Australia (Australian National Data Service - ANDS)
3
Arctic Data Center (via DataONE)
2
Copernicus Publications: E-Journals
2
De Gruyter (via Crossref)
2
DergiPark Akademik (E-Journals)
2
GettDigital (Gettysburg College Digital Collections)
2
Jagiellonian University Repository
2
Lund University Publications (LUP)
2
NASA Technical Reports Server (NTRS)
2
Ohio State University (OSU): Knowledge Bank
2
PANGAEA - Data Publisher for Earth & Environmental Science
2
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
2
University of California: eScholarship
2
University of Tasmania: UTas ePrints
2
Zenodo
2
ASU VL (VMU - Vytautas Magnus University Agriculture Academy Virtual Library)
1
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Archivio della ricerca dell'Università di Modena e Reggio Emilia (Unimore: IRIS)
1
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Antarctic
193
North Pole
193
Arctic
144
South Pole
84
The Antarctic
59
Arctic Ocean
29
Neumayer
28
Ny-Ålesund
28
Greenland
24
Greenwich
13
Wilkins
13
Bering Strait
11
Canada
11
Eielson
11
Norway
11
Southern Ocean
11
Fairbanks
10
Indian
9
Byrd
8
Northwest Passage
8
Svalbard
7
Barents Sea
6
Pacific
6
Peary
6
Amundsen Basin
4
New Zealand
4
Nobile
4
Weddell
4
Evelyn
3
Gakkel Ridge
3
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Antarc*
198
Antarctic
North Pole
Arctic
149
South pole
87
Antarctica
67
Ny Ålesund
31
Ny-Ålesund
31
Sea ice
31
Alaska
30
Arctic Ocean
29
Greenland
24
Bering Strait
11
Southern Ocean
11
North Atlantic
10
Arctic and Antarctic Research Institute
9
Antarctique*
8
Northwest passage
8
Arctique*
7
Global warming
7
Law of the Sea
7
Svalbard
7
Barents Sea
6
Russian North
6
Climate change
5
Spitsbergen
5
glacier
5
Antártida
4
Fram Strait
4
Iceland
4
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