Class information for:
Level 1: DATA ASSIMILATION//ENSEMBLE KALMAN FILTER//QUARTERLY JOURNAL OF THE ROYAL METEOROLOGICAL SOCIETY

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
962 2935 33.6 66%


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
4 4 ENVIRONMENTAL SCIENCES//GEOSCIENCES, MULTIDISCIPLINARY//METEOROLOGY & ATMOSPHERIC SCIENCES 1766162
4 3       METEOROLOGY & ATMOSPHERIC SCIENCES//JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES//ATMOSPHER SCI 167055
205 2             MONTHLY WEATHER REVIEW//METEOROLOGY & ATMOSPHERIC SCIENCES//WEATHER AND FORECASTING 21088
962 1                   DATA ASSIMILATION//ENSEMBLE KALMAN FILTER//QUARTERLY JOURNAL OF THE ROYAL METEOROLOGICAL SOCIETY 2935

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 DATA ASSIMILATION authKW 1953402 22% 30% 632
2 ENSEMBLE KALMAN FILTER authKW 1317235 8% 53% 239
3 QUARTERLY JOURNAL OF THE ROYAL METEOROLOGICAL SOCIETY journal 502227 16% 10% 465
4 MONTHLY WEATHER REVIEW journal 440476 20% 7% 574
5 VARIATIONAL DATA ASSIMILATION authKW 415709 3% 54% 74
6 TELLUS SERIES A-DYNAMIC METEOROLOGY AND OCEANOGRAPHY journal 280127 7% 14% 198
7 4D VAR authKW 263320 2% 53% 48
8 ENSEMBLE DATA ASSIMILATION authKW 181550 1% 73% 24
9 ENKF authKW 180508 1% 54% 32
10 METEOROLOGY & ATMOSPHERIC SCIENCES WoSSC 173998 68% 1% 1994

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 Meteorology & Atmospheric Sciences 173998 68% 1% 1994
2 Oceanography 14899 16% 0% 477
3 Engineering, Petroleum 1902 3% 0% 78
4 Engineering, Ocean 1722 2% 0% 61
5 Geosciences, Multidisciplinary 1015 8% 0% 232
6 Computer Science, Interdisciplinary Applications 730 5% 0% 143
7 Geochemistry & Geophysics 432 4% 0% 119
8 Remote Sensing 405 2% 0% 52
9 Physics, Mathematical 305 4% 0% 104
10 Mathematics, Interdisciplinary Applications 248 3% 0% 75

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 DATA ASSIMILAT SATELLITE METEOROL SECT 116202 1% 62% 18
2 DATA ASSIMILAT SECT 83904 0% 73% 11
3 DATA ASSIMILAT SATELLITE METEOROL 75498 0% 52% 14
4 DATA ASSIMILAT PLICAT 69891 1% 40% 17
5 GLOBAL MODELING ASSIMILAT OFF 68017 2% 12% 53
6 COOPERAT ATMOSPHERE 63578 2% 10% 60
7 MOISE PROJECT 62412 0% 100% 6
8 DATA ASSIMILAT 62400 0% 50% 12
9 CNRM GM 56630 0% 78% 7
10 DATA ASSIMILAT OFF 47914 1% 21% 22

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 QUARTERLY JOURNAL OF THE ROYAL METEOROLOGICAL SOCIETY 502227 16% 10% 465
2 MONTHLY WEATHER REVIEW 440476 20% 7% 574
3 TELLUS SERIES A-DYNAMIC METEOROLOGY AND OCEANOGRAPHY 280127 7% 14% 198
4 COMPUTATIONAL GEOSCIENCES 41086 2% 8% 52
5 NONLINEAR PROCESSES IN GEOPHYSICS 25386 2% 5% 54
6 JOURNAL OF OPERATIONAL OCEANOGRAPHY 20776 1% 13% 16
7 WEATHER AND FORECASTING 17741 2% 3% 58
8 SPE JOURNAL 15710 1% 3% 44
9 OCEAN MODELLING 13951 1% 3% 39
10 OCEAN DYNAMICS 12893 1% 3% 36

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 DATA ASSIMILATION 1953402 22% 30% 632 Search DATA+ASSIMILATION Search DATA+ASSIMILATION
2 ENSEMBLE KALMAN FILTER 1317235 8% 53% 239 Search ENSEMBLE+KALMAN+FILTER Search ENSEMBLE+KALMAN+FILTER
3 VARIATIONAL DATA ASSIMILATION 415709 3% 54% 74 Search VARIATIONAL+DATA+ASSIMILATION Search VARIATIONAL+DATA+ASSIMILATION
4 4D VAR 263320 2% 53% 48 Search 4D+VAR Search 4D+VAR
5 ENSEMBLE DATA ASSIMILATION 181550 1% 73% 24 Search ENSEMBLE+DATA+ASSIMILATION Search ENSEMBLE+DATA+ASSIMILATION
6 ENKF 180508 1% 54% 32 Search ENKF Search ENKF
7 3DVAR 160447 1% 43% 36 Search 3DVAR Search 3DVAR
8 VARIATIONAL ASSIMILATION 143050 1% 51% 27 Search VARIATIONAL+ASSIMILATION Search VARIATIONAL+ASSIMILATION
9 OBSERVATION IMPACT 119924 0% 82% 14 Search OBSERVATION+IMPACT Search OBSERVATION+IMPACT
10 BACKGROUND ERROR 117193 0% 87% 13 Search BACKGROUND+ERROR Search BACKGROUND+ERROR

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.


Rank Reference # ref. in
cl.		 Shr. of ref. in
cl.		 Citations
1 HOUTEKAMER, PL , ZHANG, FQ , (2016) REVIEW OF THE ENSEMBLE KALMAN FILTER FOR ATMOSPHERIC DATA ASSIMILATION.MONTHLY WEATHER REVIEW. VOL. 144. ISSUE 12. P. 4489 -4532 152 68% 1
2 LORENC, AC , BOWLER, NE , CLAYTON, AM , PRING, SR , FAIRBAIRN, D , (2015) COMPARISON OF HYBRID-4DENVAR AND HYBRID-4DVAR DATA ASSIMILATION METHODS FOR GLOBAL NWP.MONTHLY WEATHER REVIEW. VOL. 143. ISSUE 1. P. 212 -229 51 98% 22
3 BOCQUET, M , PIRES, CA , WU, L , (2010) BEYOND GAUSSIAN STATISTICAL MODELING IN GEOPHYSICAL DATA ASSIMILATION.MONTHLY WEATHER REVIEW. VOL. 138. ISSUE 8. P. 2997 -3023 72 75% 84
4 SCHRAFF, C , REICH, H , RHODIN, A , SCHOMBURG, A , STEPHAN, K , PERIANEZ, A , POTTHAST, R , (2016) KILOMETRE-SCALE ENSEMBLE DATA ASSIMILATION FOR THE COSMO MODEL (KENDA).QUARTERLY JOURNAL OF THE ROYAL METEOROLOGICAL SOCIETY. VOL. 142. ISSUE 696. P. 1453 -1472 54 73% 7
5 ZHANG, FQ , MENG, ZY , (2011) LIMITED-AREA ENSEMBLE-BASED DATA ASSIMILATION.MONTHLY WEATHER REVIEW. VOL. 139. ISSUE 7. P. 2025 -2045 83 72% 15
6 AANONSEN, SI , NAEVDAL, G , OLIVER, DS , REYNOLDS, AC , VALLES, B , (2009) THE ENSEMBLE KALMAN FILTER IN RESERVOIR ENGINEERING-A REVIEW.SPE JOURNAL. VOL. 14. ISSUE 3. P. 393 -412 61 77% 166
7 KLEIST, DT , IDE, K , (2015) AN OSSE-BASED EVALUATION OF HYBRID VARIATIONAL-ENSEMBLE DATA ASSIMILATION FOR THE NCEP GFS. PART II: 4DENVAR AND HYBRID VARIANTS.MONTHLY WEATHER REVIEW. VOL. 143. ISSUE 2. P. 452 -470 47 98% 13
8 PARK, SK , ZUPANSKI, D , (2003) FOUR-DIMENSIONAL VARIATIONAL DATA ASSIMILATION FOR MESOSCALE AND STORM-SCALE APPLICATIONS.METEOROLOGY AND ATMOSPHERIC PHYSICS. VOL. 82. ISSUE 1-4. P. 173 -208 107 67% 38
9 LIU, CS , XUE, M , (2016) RELATIONSHIPS AMONG FOUR-DIMENSIONAL HYBRID ENSEMBLE-VARIATIONAL DATA ASSIMILATION ALGORITHMS WITH FULL AND APPROXIMATE ENSEMBLE COVARIANCE LOCALIZATION.MONTHLY WEATHER REVIEW. VOL. 144. ISSUE 2. P. 591 -606 56 95% 0
10 TODTER, J , AHRENS, B , (2015) A SECOND-ORDER EXACT ENSEMBLE SQUARE ROOT FILTER FOR NONLINEAR DATA ASSIMILATION.MONTHLY WEATHER REVIEW. VOL. 143. ISSUE 4. P. 1347 -1367 57 92% 1

Classes with closest relation at Level 1


Rank Class id link
1 27156 PROJET MOISE//MODELING UNCERTAIN BOUNDARIES//NUMERICAL TIDAL MODEL
2 15468 TARGETED OBSERVATIONS//SINGULAR VECTORS//CONDITIONAL NONLINEAR OPTIMAL PERTURBATION
3 5297 ANAL PREDICT STORMS//WEATHER AND FORECASTING//SEVERE STORMS
4 15134 COOPERAT METEOROL SATELLITE STUDIES//ATMOSPHERIC INFRARED SOUNDER AIRS//SSEC
5 18889 MONTHLY WEATHER REVIEW//FSU COAPS GLOBAL SPECTRAL MODEL//RAIN RATE NUDGING
6 21477 ATMOSPHERIC MOTION VECTORS//CLOUD MOTION WINDS//COLD RING SHAPE
7 18355 ATMOSPHERE OCEAN SCI//STOCHASTIC PARAMETRIZATION//STOCHASTIC PARAMETERIZATION
8 17935 WELL PLACEMENT//PRODUCTION OPTIMIZATION//CAPACITANCE RESISTANCE MODEL
9 5114 WEATHER AND FORECASTING//ENSEMBLE FORECASTING//ENSEMBLE PREDICTION SYSTEM
10 9551 HYDRAULIC TOMOGRAPHY//WATER RESOURCES RESEARCH//INVERSE MODELING

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