Class information for:
Level 1: STANDARDIZED PRECIPITATION INDEX//DROUGHT INDEX//SPI

Basic class information
Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
3 4 GEOSCIENCES, MULTIDISCIPLINARY//GEOCHEMISTRY & GEOPHYSICS//METEOROLOGY & ATMOSPHERIC SCIENCES 1953906
29 3       METEOROLOGY & ATMOSPHERIC SCIENCES//MONTHLY WEATHER REVIEW//JOURNAL OF CLIMATE 114957
6 2             METEOROLOGY & ATMOSPHERIC SCIENCES//JOURNAL OF CLIMATE//INTERNATIONAL JOURNAL OF CLIMATOLOGY 44639
3801 1                   STANDARDIZED PRECIPITATION INDEX//DROUGHT INDEX//SPI 1943

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 STANDARDIZED PRECIPITATION INDEX authKW 1479768 6% 72% 126
2 DROUGHT INDEX authKW 941657 4% 72% 81
3 SPI authKW 662866 6% 37% 110
4 DROUGHT INDICES authKW 660522 3% 73% 56
5 METEOROLOGICAL DROUGHT authKW 649010 3% 82% 49
6 STANDARDIZED PRECIPITATION INDEX SPI authKW 648985 3% 78% 51
7 HYDROLOGICAL DROUGHT authKW 576661 3% 67% 53
8 DROUGHT authKW 574484 28% 7% 542
9 DROUGHT MITIGAT address 556026 3% 57% 60
10 DROUGHT MONITORING authKW 447006 2% 66% 42

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Water Resources 54554 45% 0% 876
2 Meteorology & Atmospheric Sciences 37476 39% 0% 758
3 Engineering, Civil 11459 22% 0% 420
4 Geosciences, Multidisciplinary 9809 27% 0% 517
5 Remote Sensing 2959 6% 0% 108
6 Environmental Sciences 2047 17% 0% 334
7 Imaging Science & Photographic Technology 810 3% 0% 60
8 Geography, Physical 449 3% 0% 55
9 Limnology 417 2% 0% 37
10 Engineering, Environmental 258 3% 0% 68

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 DROUGHT MITIGAT 556026 3% 57% 60
2 GREEN DEV 86496 0% 67% 8
3 MANAGEMENT STRATEG PROJECTS 61126 0% 54% 7
4 AGROMETEOROL OBSERV DOKSANY 57922 0% 71% 5
5 DROUGHT RISK 57922 0% 71% 5
6 SATELLITE PLICAT DISASTER REDUCT 48657 0% 100% 3
7 MOCA MOE 48651 0% 50% 6
8 AGROSYST BIOCLIMATOL 40978 1% 17% 15
9 DISASTER REDUCT EMERGENCY MANAGEMENT 36499 1% 9% 26
10 GANGA PLAINS SOUTH REG 36491 0% 75% 3

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 WATER RESOURCES MANAGEMENT 55974 5% 4% 91
2 NATURAL HAZARDS 43873 6% 2% 109
3 INTERNATIONAL JOURNAL OF CLIMATOLOGY 38120 5% 2% 100
4 THEORETICAL AND APPLIED CLIMATOLOGY 28308 4% 2% 73
5 JOURNAL OF HYDROMETEOROLOGY 19958 2% 3% 47
6 JOURNAL OF HYDROLOGY 19865 6% 1% 123
7 HYDROLOGY AND EARTH SYSTEM SCIENCES 18031 3% 2% 61
8 JOURNAL OF HYDROLOGIC ENGINEERING 17881 2% 2% 48
9 ADVANCES IN METEOROLOGY 16380 2% 3% 30
10 STOCHASTIC ENVIRONMENTAL RESEARCH AND RISK ASSESSMENT 11959 2% 2% 33

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 STANDARDIZED PRECIPITATION INDEX 1479768 6% 72% 126 Search STANDARDIZED+PRECIPITATION+INDEX Search STANDARDIZED+PRECIPITATION+INDEX
2 DROUGHT INDEX 941657 4% 72% 81 Search DROUGHT+INDEX Search DROUGHT+INDEX
3 SPI 662866 6% 37% 110 Search SPI Search SPI
4 DROUGHT INDICES 660522 3% 73% 56 Search DROUGHT+INDICES Search DROUGHT+INDICES
5 METEOROLOGICAL DROUGHT 649010 3% 82% 49 Search METEOROLOGICAL+DROUGHT Search METEOROLOGICAL+DROUGHT
6 STANDARDIZED PRECIPITATION INDEX SPI 648985 3% 78% 51 Search STANDARDIZED+PRECIPITATION+INDEX+SPI Search STANDARDIZED+PRECIPITATION+INDEX+SPI
7 HYDROLOGICAL DROUGHT 576661 3% 67% 53 Search HYDROLOGICAL+DROUGHT Search HYDROLOGICAL+DROUGHT
8 DROUGHT 574484 28% 7% 542 Search DROUGHT Search DROUGHT
9 DROUGHT MONITORING 447006 2% 66% 42 Search DROUGHT+MONITORING Search DROUGHT+MONITORING
10 AGRICULTURAL DROUGHT 425387 2% 66% 40 Search AGRICULTURAL+DROUGHT Search AGRICULTURAL+DROUGHT

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 1


rank cluster_id2 link
1 8107 MANN KENDALL TEST//TREND ANALYSIS//MANN KENDALL
2 3807 INTERNATIONAL JOURNAL OF CLIMATOLOGY//CIRCULATION TYPES//SYNOPTIC CLIMATOLOGY
3 9919 JISAO CSES CLIMATE IMPACTS GRP//CLIMATE IMPACTS GRP//CALIFORNIA DROUGHT
4 3085 TEMPERATURE EXTREMES//EXTREME PRECIPITATION//CLIMATE EXTREMES
5 5722 COPULA//QUASI COPULA//ARCHIMEDEAN COPULA
6 2398 NDVI//INTERNATIONAL JOURNAL OF REMOTE SENSING//REMOTE SENSING
7 1484 JOURNAL OF HYDROMETEOROLOGY//LAND SURFACE MODEL//LAND ATMOSPHERE INTERACTIONS
8 3657 L MOMENTS//REGIONAL FREQUENCY ANALYSIS//FLOOD FREQUENCY ANALYSIS
9 1840 TREE RINGS//DENDROCLIMATOLOGY//TREE RING
10 10850 SEASONAL FORECASTING//CLIMATE PREDICT//SEASONAL PREDICTABILITY

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