Class information for:
Level 1: PERMAFROST//PERMAFROST AND PERIGLACIAL PROCESSES//THERMOKARST

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
3845 1823 45.8 50%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
2145 4561 STATE FROZEN SOIL ENGN//PERMAFROST//PERMAFROST AND PERIGLACIAL PROCESSES

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 PERMAFROST Author keyword 155 30% 24% 435
2 PERMAFROST AND PERIGLACIAL PROCESSES Journal 89 34% 12% 215
3 THERMOKARST Author keyword 49 56% 3% 60
4 ACTIVE LAYER Author keyword 47 38% 5% 99
5 PALSA Author keyword 27 83% 1% 15
6 THERMOKARST LAKES Author keyword 19 70% 1% 16
7 GROUND ICE Author keyword 17 41% 2% 31
8 LITHALSA Author keyword 15 88% 0% 7
9 PERMAFROST THAW Author keyword 14 57% 1% 16
10 RENEWABLE OURCES ENVIRONM Address 12 75% 0% 9

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class		 LCSH search Wikipedia search
1 PERMAFROST 155 30% 24% 435 Search PERMAFROST Search PERMAFROST
2 THERMOKARST 49 56% 3% 60 Search THERMOKARST Search THERMOKARST
3 ACTIVE LAYER 47 38% 5% 99 Search ACTIVE+LAYER Search ACTIVE+LAYER
4 PALSA 27 83% 1% 15 Search PALSA Search PALSA
5 THERMOKARST LAKES 19 70% 1% 16 Search THERMOKARST+LAKES Search THERMOKARST+LAKES
6 GROUND ICE 17 41% 2% 31 Search GROUND+ICE Search GROUND+ICE
7 LITHALSA 15 88% 0% 7 Search LITHALSA Search LITHALSA
8 PERMAFROST THAW 14 57% 1% 16 Search PERMAFROST+THAW Search PERMAFROST+THAW
9 THAW DEPTH 12 75% 0% 9 Search THAW+DEPTH Search THAW+DEPTH
10 LITHALSAS 11 100% 0% 6 Search LITHALSAS Search LITHALSAS

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 PERMAFROST 106 28% 18% 327
2 ACTIVE LAYER 84 37% 10% 182
3 THAW LAKES 73 88% 2% 35
4 DISCONTINUOUS PERMAFROST 62 61% 4% 65
5 WESTERN ARCTIC COAST 46 50% 4% 67
6 ACTIVE LAYER THICKNESS 45 64% 2% 44
7 MACKENZIE DELTA REGION 41 85% 1% 22
8 RICHARDS ISLAND 41 100% 1% 15
9 NEAR SURFACE PERMAFROST 38 89% 1% 17
10 THERMOKARST 32 61% 2% 34

Journals


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 PERMAFROST AND PERIGLACIAL PROCESSES 89 34% 12% 215

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
Climate change and the permafrost carbon feedback 2015 5 76 71%
Advances in Thermokarst Research 2013 22 68 90%
Impacts of permafrost degradation on arctic river biogeochemistry 2009 122 103 63%
Recent advances in permafrost modelling 2008 71 83 59%
Evidence and implications of recent climate change in northern Alaska and other arctic regions 2005 539 102 19%
Progress in permafrost hydrology in the new millennium 2008 54 80 59%
Observational evidence of recent change in the northern high-latitude environment 2000 1027 86 12%
Sensitivity of the carbon cycle in the Arctic to climate change 2009 246 197 15%
Soil carbon in the Arctic and the permafrost carbon feedback 2012 7 38 74%
The principles of cryostratigraphy 2010 31 25 48%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 RENEWABLE OURCES ENVIRONM 12 75% 0.5% 9
2 INT BEST 11 100% 0.3% 6
3 PALMER 9 43% 0.9% 16
4 CUMULAT IMPACT MONITORING PROGRAM 8 70% 0.4% 7
5 NO ENGN 8 25% 1.5% 28
6 SNOW ICE DATA 7 15% 2.6% 47
7 MELNIKOV PERMAFROST 7 41% 0.7% 13
8 ALASKA COOPERAT FISH WILDLIFE UNIT 7 16% 2.1% 39
9 NORTHWEST TERR GEOSCI OFF 7 67% 0.3% 6
10 PERIGLACIAL UNIT 6 80% 0.2% 4

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000174411 BEAUFORT MACKENZIE BASIN CANADA//OFFSHORE PERMAFROST//ICE COMPLEX
2 0.0000157626 STATE FROZEN SOIL ENGN//COLD REGIONS SCIENCE AND TECHNOLOGY//FROST HEAVE
3 0.0000156768 ROCK GLACIER//MOUNTAIN PERMAFROST//PERMAFROST AND PERIGLACIAL PROCESSES
4 0.0000140047 TUNDRA//ITEX//ARCTIC TUNDRA
5 0.0000085344 ICE JAM//RIVER ICE//ICE JAMS
6 0.0000082287 SHAW MODEL//SNOWMELT INFILTRATION//HITSUJIGAOKA TOYOHIRA KU
7 0.0000076832 PEATLAND//PEATLAND ECOL GRP//PEATLANDS
8 0.0000075743 YUANYANG LAKE//HABITAT NICHE FITNESS HNF//ALPINE GRASSLAND ECOSYST THREE RIVER HEAD
9 0.0000065623 WHITE METHOD//GEOMAT CIVIL ENGN//BOTTOM HEAT FLUX
10 0.0000063753 VARVES//GLACIER FED LAKE//HUMUS LAYERS