Class information for:
Level 1: DIGITAL ELEVATION MODEL//DRAINAGE NETWORK//DEM

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
7424 1369 33.7 49%


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
147 3       WATER RESOURCES//JOURNAL OF HYDROLOGY//SOIL EROSION 63829
330 2             WATER RESOURCES//JOURNAL OF HYDROLOGY//JOURNAL OF HYDROLOGIC ENGINEERING 18102
7424 1                   DIGITAL ELEVATION MODEL//DRAINAGE NETWORK//DEM 1369

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 DIGITAL ELEVATION MODEL authKW 835674 14% 20% 186
2 DRAINAGE NETWORK authKW 338004 4% 32% 48
3 DEM authKW 311451 10% 10% 137
4 SRTM authKW 282273 4% 26% 48
5 TERRAIN ANALYSIS authKW 214175 3% 23% 41
6 DIGITAL ELEVATION MODEL DEM authKW 208286 4% 19% 49
7 DEM ACCURACY authKW 198373 1% 68% 13
8 DRAINAGE NETWORK EXTRACTION authKW 136605 1% 88% 7
9 FLOW ACCUMULATION authKW 134924 1% 55% 11
10 DEPRESSION FILLING authKW 133819 0% 100% 6

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 Remote Sensing 38245 23% 1% 312
2 Geography, Physical 29859 25% 0% 341
3 Imaging Science & Photographic Technology 20496 17% 0% 238
4 Geosciences, Multidisciplinary 16536 40% 0% 554
5 Water Resources 11127 24% 0% 335
6 Geography 9015 12% 0% 165
7 Computer Science, Interdisciplinary Applications 2331 12% 0% 159
8 Information Science & Library Science 2079 6% 0% 87
9 Limnology 1637 4% 0% 59
10 Environmental Sciences 1133 15% 0% 210

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 NEXFOR BOWATER FO T WATERSHED 59473 0% 67% 4
2 CONTINENTAL DEFORMAT 50181 0% 75% 3
3 CEOR E QUAD 44606 0% 100% 2
4 INT ABORAT GEOCOMPUTAT STUDIES 44606 0% 100% 2
5 SHANDONG PROV GEOMAT DIGITAL TECHNOL 44606 0% 100% 2
6 STUDIES GEOG 44606 0% 100% 2
7 SURVEYING M PING TECHNOL 44606 0% 100% 2
8 WATER OURCES INFORMAT PROGRAM 44606 0% 100% 2
9 EXCELLENCE GEOSPATIAL INFORMAT SCI 40137 0% 30% 6
10 PROGRAM ENVIRONM ENGN WATER OURCES 39821 0% 36% 5

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 INTERNATIONAL JOURNAL OF GEOGRAPHICAL INFORMATION SCIENCE 90800 6% 5% 77
2 COMPUTERS & GEOSCIENCES 71075 8% 3% 115
3 PHOTOGRAMMETRIC ENGINEERING AND REMOTE SENSING 48279 6% 3% 82
4 HYDROLOGICAL PROCESSES 19329 5% 1% 72
5 GISCIENCE & REMOTE SENSING 13608 1% 4% 15
6 TRANSACTIONS IN GIS 10847 1% 3% 14
7 PHOTOGRAMMETRIC RECORD 10382 1% 3% 15
8 ISPRS JOURNAL OF PHOTOGRAMMETRY AND REMOTE SENSING 8517 2% 2% 24
9 GEOCARTO INTERNATIONAL 8451 1% 3% 12
10 GEO-PROCESSING 8358 0% 13% 3

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 DIGITAL ELEVATION MODEL 835674 14% 20% 186 Search DIGITAL+ELEVATION+MODEL Search DIGITAL+ELEVATION+MODEL
2 DRAINAGE NETWORK 338004 4% 32% 48 Search DRAINAGE+NETWORK Search DRAINAGE+NETWORK
3 DEM 311451 10% 10% 137 Search DEM Search DEM
4 SRTM 282273 4% 26% 48 Search SRTM Search SRTM
5 TERRAIN ANALYSIS 214175 3% 23% 41 Search TERRAIN+ANALYSIS Search TERRAIN+ANALYSIS
6 DIGITAL ELEVATION MODEL DEM 208286 4% 19% 49 Search DIGITAL+ELEVATION+MODEL+DEM Search DIGITAL+ELEVATION+MODEL+DEM
7 DEM ACCURACY 198373 1% 68% 13 Search DEM+ACCURACY Search DEM+ACCURACY
8 DRAINAGE NETWORK EXTRACTION 136605 1% 88% 7 Search DRAINAGE+NETWORK+EXTRACTION Search DRAINAGE+NETWORK+EXTRACTION
9 FLOW ACCUMULATION 134924 1% 55% 11 Search FLOW+ACCUMULATION Search FLOW+ACCUMULATION
10 DEPRESSION FILLING 133819 0% 100% 6 Search DEPRESSION+FILLING Search DEPRESSION+FILLING

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 WECHSLER, SP , (2007) UNCERTAINTIES ASSOCIATED WITH DIGITAL ELEVATION MODELS FOR HYDROLOGIC APPLICATIONS: A REVIEW.HYDROLOGY AND EARTH SYSTEM SCIENCES. VOL. 11. ISSUE 4. P. 1481-1500 61 66% 80
2 WILSON, JP , (2012) DIGITAL TERRAIN MODELING.GEOMORPHOLOGY. VOL. 137. ISSUE 1. P. 107 -121 63 52% 38
3 VARGA, M , BASIC, T , (2015) ACCURACY VALIDATION AND COMPARISON OF GLOBAL DIGITAL ELEVATION MODELS OVER CROATIA.INTERNATIONAL JOURNAL OF REMOTE SENSING. VOL. 36. ISSUE 1. P. 170 -189 45 76% 2
4 WOODROW, K , LINDSAY, JB , BERG, AA , (2016) EVALUATING DEM CONDITIONING TECHNIQUES, ELEVATION SOURCE DATA, AND GRID RESOLUTION FOR FIELD-SCALE HYDROLOGICAL PARAMETER EXTRACTION.JOURNAL OF HYDROLOGY. VOL. 540. ISSUE . P. 1022 -1029 35 92% 1
5 SOFIA, G , PIROTTI, F , TAROLLI, P , (2013) VARIATIONS IN MULTISCALE CURVATURE DISTRIBUTION AND SIGNATURES OF LIDAR DTM ERRORS.EARTH SURFACE PROCESSES AND LANDFORMS. VOL. 38. ISSUE 10. P. 1116-1134 50 65% 18
6 BAI, R , LI, TJ , HUANG, YF , LI, JY , WANG, GQ , (2015) AN EFFICIENT AND COMPREHENSIVE METHOD FOR DRAINAGE NETWORK EXTRACTION FROM DEM WITH BILLIONS OF PIXELS USING A SIZE-BALANCED BINARY SEARCH TREE.GEOMORPHOLOGY. VOL. 238. ISSUE . P. 56 -67 41 79% 2
7 ZHANG, HM , YAO, ZH , YANG, QK , LI, SQ , BAARTMAN, JEM , GAI, LT , YAO, MT , YANG, XM , RITSEMA, CJ , GEISSEN, V , (2017) AN INTEGRATED ALGORITHM TO EVALUATE FLOW DIRECTION AND FLOW ACCUMULATION IN FLAT REGIONS OF HYDROLOGICALLY CORRECTED DEMS.CATENA. VOL. 151. ISSUE . P. 174 -181 33 97% 0
8 NARDI, F , GRIMALDI, S , SANTINI, M , PETROSELLI, A , UBERTINI, L , (2008) HYDROGEOMORPHIC PROPERTIES OF SIMULATED DRAINAGE PATTERNS USING DIGITAL ELEVATION MODELS: THE FLAT AREA ISSUE.HYDROLOGICAL SCIENCES JOURNAL-JOURNAL DES SCIENCES HYDROLOGIQUES. VOL. 53. ISSUE 6. P. 1176-1193 44 76% 46
9 O'NEIL, G , SHORTRIDGE, A , (2013) QUANTIFYING LOCAL FLOW DIRECTION UNCERTAINTY.INTERNATIONAL JOURNAL OF GEOGRAPHICAL INFORMATION SCIENCE. VOL. 27. ISSUE 7. P. 1292-1311 36 90% 2
10 WISE, S , (2011) CROSS-VALIDATION AS A MEANS OF INVESTIGATING DEM INTERPOLATION ERROR.COMPUTERS & GEOSCIENCES. VOL. 37. ISSUE 8. P. 978-991 35 83% 19

Classes with closest relation at Level 1


Rank Class id link
1 7991 DIGITAL SOIL MAPPING//SOIL SURVEY//GEODERMA
2 12668 UNIT HYDROGRAPH//GIUH//IST IDRAUL G POLENI
3 24318 INHM//INTEGRATED HYDROLOGY MODEL//SURFACE SUBSURFACE INTERACTIONS
4 22956 SPATIAL OPINION EXCHANGE//VIEWSHED//VIEWSHED ANALYSIS
5 10788 PHOTOGRAMMETRIC ENGINEERING AND REMOTE SENSING//PHOTOGRAMMETRIC RECORD//ORTHORECTIFICATION
6 15381 MAP GENERALIZATION//CARTOGRAPHIC GENERALIZATION//CARTOGRAPHIC JOURNAL
7 6276 LANDSCAPE EVOLUTION//BEDROCK RIVER//KNICKPOINT
8 13235 GROUNDWATER POTENTIAL ZONES//LINEAMENTS//GROUNDWATER POTENTIAL
9 30335 INTERNATIONAL HYDROGRAPHIC REVIEW//MULTIBEAM BATHYMETRIC SYSTEM MBS//MULTIBEAM ECHOSOUNDER SYSTEM
10 12238 GULLY EROSION//BADLANDS//GULLY

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