Class information for:
Level 2: STATE FROZEN SOIL ENGN//PERMAFROST//PERMAFROST AND PERIGLACIAL PROCESSES

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
2145 4561 34.0 43%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 3)


ID, lev.
above		 Publications Label for level above
361 30930 JOURNAL OF GLACIOLOGY//COLD REGIONS SCIENCE AND TECHNOLOGY//CRYOSPHERE

Classes in level below (level 1)


ID, lev. below Publications Label for level below
3845 1823 PERMAFROST//PERMAFROST AND PERIGLACIAL PROCESSES//THERMOKARST
9394 1091 STATE FROZEN SOIL ENGN//COLD REGIONS SCIENCE AND TECHNOLOGY//FROST HEAVE
11040 947 SOIL THERMAL CONDUCTIVITY//SOIL THERMAL DIFFUSIVITY//CUBIC CELL MODEL
20033 415 SHAW MODEL//SNOWMELT INFILTRATION//HITSUJIGAOKA TOYOHIRA KU
23605 285 BIOETHANOL YIELD//SOIL TEMPERATURE REGIME//POPULATION VARIETY

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 STATE FROZEN SOIL ENGN Address 293 67% 6% 268
2 PERMAFROST Author keyword 292 40% 13% 577
3 PERMAFROST AND PERIGLACIAL PROCESSES Journal 111 37% 5% 237
4 COLD REGIONS SCIENCE AND TECHNOLOGY Journal 96 21% 9% 406
5 ACTIVE LAYER Author keyword 58 41% 2% 109
6 THERMOKARST Author keyword 49 56% 1% 60
7 FROZEN SOIL Author keyword 49 43% 2% 87
8 FROST HEAVE Author keyword 41 48% 1% 62
9 STATE FROZEN SOIL ENGN COLD ARID REG EN Address 38 93% 0% 14
10 COLD ARID REG ENVIRONM ENGN Address 38 12% 7% 307

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 292 40% 13% 577 Search PERMAFROST Search PERMAFROST
2 ACTIVE LAYER 58 41% 2% 109 Search ACTIVE+LAYER Search ACTIVE+LAYER
3 THERMOKARST 49 56% 1% 60 Search THERMOKARST Search THERMOKARST
4 FROZEN SOIL 49 43% 2% 87 Search FROZEN+SOIL Search FROZEN+SOIL
5 FROST HEAVE 41 48% 1% 62 Search FROST+HEAVE Search FROST+HEAVE
6 PERMAFROST DEGRADATION 30 60% 1% 33 Search PERMAFROST+DEGRADATION Search PERMAFROST+DEGRADATION
7 PALSA 27 83% 0% 15 Search PALSA Search PALSA
8 QINGHAI TIBETAN RAILWAY 26 100% 0% 11 Search QINGHAI+TIBETAN+RAILWAY Search QINGHAI+TIBETAN+RAILWAY
9 SHAW MODEL 19 80% 0% 12 Search SHAW+MODEL Search SHAW+MODEL
10 QINGHAI TIBET RAILWAY 19 41% 1% 37 Search QINGHAI+TIBET+RAILWAY Search QINGHAI+TIBET+RAILWAY

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 150 32% 8% 383
2 PERMAFROST REGIONS 111 88% 1% 52
3 ACTIVE LAYER 103 40% 4% 199
4 THAW LAKES 73 88% 1% 35
5 DISCONTINUOUS PERMAFROST 64 62% 1% 66
6 WESTERN ARCTIC COAST 54 53% 2% 71
7 QINGHAI TIBET RAILWAY 47 86% 1% 24
8 THAW 46 49% 1% 68
9 FROST HEAVE 45 49% 1% 67
10 ACTIVE LAYER THICKNESS 45 64% 1% 44

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 111 37% 5% 237
2 COLD REGIONS SCIENCE AND TECHNOLOGY 96 21% 9% 406
3 JOURNAL OF COLD REGIONS ENGINEERING 12 21% 1% 50

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 91%
Impacts of permafrost degradation on arctic river biogeochemistry 2009 122 103 63%
Evidence and implications of recent climate change in northern Alaska and other arctic regions 2005 539 102 19%
The mathematical representation of freezing and thawing processes in variably-saturated, non-deformable soils 2013 10 107 78%
Permafrost degradation and its environmental effects on the Tibetan Plateau: A review of recent research 2010 51 54 50%
Recent advances in permafrost modelling 2008 71 83 60%
Advances in Soil Evaporation Physics-A Review 2013 13 57 60%
Observational evidence of recent change in the northern high-latitude environment 2000 1027 86 12%
Permafrost changes and engineering stability in Qinghai-Xizang Plateau 2013 7 77 90%

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 STATE FROZEN SOIL ENGN 293 67% 5.9% 268
2 STATE FROZEN SOIL ENGN COLD ARID REG EN 38 93% 0.3% 14
3 COLD ARID REG ENVIRONM ENGN 38 12% 6.7% 307
4 STATE FROZEN SOILS ENGN 30 68% 0.6% 26
5 HIGHWAY CONSTRUCT MAINTENANCE TECHNOL P 17 79% 0.2% 11
6 CAREERI 16 33% 0.9% 41
7 RENEWABLE OURCES ENVIRONM 12 75% 0.2% 9
8 INT BEST 11 100% 0.1% 6
9 NO ENGN 9 27% 0.7% 30
10 SNOW ICE DATA 9 16% 1.1% 52

Related classes at same level (level 2)


Rank Relatedness score Related classes
1 0.0000031834 TUNDRA//RECREATION ECOLOGY//ITEX
2 0.0000019076 EVAPOTRANSPIRATION//PENMAN MONTEITH//LAND SURFACE TEMPERATURE
3 0.0000016665 LANDSLIDES//LANDSLIDE//LANDSLIDE SUSCEPTIBILITY
4 0.0000011930 JOURNAL OF GLACIOLOGY//CRYOSPHERE//ANNALS OF GLACIOLOGY
5 0.0000011757 SOIL & TILLAGE RESEARCH//SOIL COMPACTION//VADOSE ZONE JOURNAL
6 0.0000009709 GEOENGINEERING//SOLAR RADIATION MANAGEMENT//CLIMATE ENGINEERING
7 0.0000008844 GAS HYDRATE//ANAEROBIC OXIDATION OF METHANE//GAS HYDRATES
8 0.0000008372 WETLANDS//PEATLAND//PEATLANDS
9 0.0000008349 GEOGRAPHY, PHYSICAL//BOREAS//QUATERNARY SCIENCE REVIEWS
10 0.0000007425 DEW//DEW COLLECTION//DEW WATER