Class information for:
Level 2: DIGITAL SOIL MAPPING//GEODERMA//SOIL SCIENCE

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
1637 6959 35.8 45%


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
65 3       SOIL SCIENCE//SOIL SCIENCE SOCIETY OF AMERICA JOURNAL//GEODERMA 84825
1637 2             DIGITAL SOIL MAPPING//GEODERMA//SOIL SCIENCE 6959
3352 1                   MANAGEMENT ZONES//GEOSTATISTICS//PRECISION AGRICULTURE 2002
4803 1                   BRUCE E BUTLER//SOIL SPECTROSCOPY//SOIL REFLECTANCE 1722
7991 1                   DIGITAL SOIL MAPPING//SOIL SURVEY//GEODERMA 1305
13105 1                   LANDFILL SITING//LANDFILL SITE SELECTION//MULTI CRITERIA EVALUATION 860
21361 1                   SOIL QUALITY INDEX//SOIL QUALITY//SOIL QUALITY INDICATORS 422
26057 1                   ETHNOPEDOLOGY//LOCAL SOIL KNOWLEDGE//ENVIRONM OURCE CONSERVAT 264
30465 1                   MICROLEIS DSS//LAND EVALUATION//MICROLEIS 168
33175 1                   E DIGOR MODEL//SOIL WATER SCI PROGRAM//A HORIZONS 128
36017 1                   GRENERA//UNITE HYDROL HYDRAUL AGR//GEOPEDOL 88

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 SOIL MAPPING authKW 538570 2% 75% 164
2 GEODERMA journal 314759 9% 12% 621
3 SOIL SCIENCE WoSSC 272184 37% 2% 2594
4 PRECISION AGRICULTURE authKW 251914 3% 25% 234
5 GEOSTATISTICS authKW 243966 6% 14% 393
6 SOIL MAPPING authKW 227117 1% 62% 83
7 SOIL SURVEY authKW 209491 1% 51% 93
8 MANAGEMENT ZONES authKW 206704 1% 68% 69
9 EM38 authKW 177270 1% 84% 48
10 SOIL QUALITY INDEX authKW 171583 1% 65% 60

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 Soil Science 272184 37% 2% 2594
2 Agriculture, Multidisciplinary 15127 10% 1% 698
3 Remote Sensing 9802 5% 1% 366
4 Agronomy 8902 10% 0% 696
5 Agricultural Engineering 6815 4% 1% 289
6 Environmental Sciences 6121 16% 0% 1096
7 Water Resources 4873 8% 0% 534
8 Imaging Science & Photographic Technology 3729 3% 0% 240
9 Geography, Physical 3618 4% 0% 284
10 Geosciences, Multidisciplinary 3499 9% 0% 645

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 AUSTRALIAN PRECIS AGR 103452 0% 69% 34
2 GRP SOIL SPATIAL INVENTORY TECH 95538 0% 68% 32
3 BRUCE E BUTLER 95504 0% 78% 28
4 SOIL SCI 71946 7% 3% 496
5 AGR REMOTE SENSING INFORMAT TECHNOL PLIC 50739 0% 64% 18
6 CROPPING SYST WATER QUAL UNIT 38734 1% 21% 43
7 SOLOS ADUBOS 38235 1% 21% 42
8 DON LUIS 35524 0% 90% 9
9 GRENERA 35088 0% 100% 8
10 SOIL MANAGEMENT 31276 1% 16% 46

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 GEODERMA 314759 9% 12% 621
2 SOIL SCIENCE SOCIETY OF AMERICA JOURNAL 88327 6% 5% 433
3 PRECISION AGRICULTURE 62652 1% 18% 79
4 REVISTA BRASILEIRA DE CIENCIA DO SOLO 48326 2% 7% 158
5 EUROPEAN JOURNAL OF SOIL SCIENCE 28585 2% 6% 109
6 COMPUTERS AND ELECTRONICS IN AGRICULTURE 20649 2% 4% 108
7 SOIL SCIENCE 19983 2% 4% 124
8 JOURNAL OF NEAR INFRARED SPECTROSCOPY 17713 1% 7% 56
9 PEDOSPHERE 14122 1% 5% 62
10 SOIL USE AND MANAGEMENT 14113 1% 5% 69

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 SOIL MAPPING 538570 2% 75% 164 Search DIGITAL+SOIL+MAPPING Search DIGITAL+SOIL+MAPPING
2 PRECISION AGRICULTURE 251914 3% 25% 234 Search PRECISION+AGRICULTURE Search PRECISION+AGRICULTURE
3 GEOSTATISTICS 243966 6% 14% 393 Search GEOSTATISTICS Search GEOSTATISTICS
4 SOIL MAPPING 227117 1% 62% 83 Search SOIL+MAPPING Search SOIL+MAPPING
5 SOIL SURVEY 209491 1% 51% 93 Search SOIL+SURVEY Search SOIL+SURVEY
6 MANAGEMENT ZONES 206704 1% 68% 69 Search MANAGEMENT+ZONES Search MANAGEMENT+ZONES
7 EM38 177270 1% 84% 48 Search EM38 Search EM38
8 SOIL QUALITY INDEX 171583 1% 65% 60 Search SOIL+QUALITY+INDEX Search SOIL+QUALITY+INDEX
9 APPARENT ELECTRICAL CONDUCTIVITY 150452 1% 84% 41 Search APPARENT+ELECTRICAL+CONDUCTIVITY Search APPARENT+ELECTRICAL+CONDUCTIVITY
10 SPATIAL VARIABILITY 146264 4% 13% 255 Search SPATIAL+VARIABILITY Search SPATIAL+VARIABILITY

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 SORIANO-DISLA, JM , JANIK, LJ , ROSSEL, RAV , MACDONALD, LM , MCLAUGHLIN, MJ , (2014) THE PERFORMANCE OF VISIBLE, NEAR-, AND MID-INFRARED REFLECTANCE SPECTROSCOPY FOR PREDICTION OF SOIL PHYSICAL, CHEMICAL, AND BIOLOGICAL PROPERTIES.APPLIED SPECTROSCOPY REVIEWS. VOL. 49. ISSUE 2. P. 139 -186 179 84% 66
2 ROSSEL, RAV , BEHRENS, T , BEN-DOR, E , BROWN, DJ , DEMATTE, JAM , SHEPHERD, KD , SHI, Z , STENBERG, B , STEVENS, A , ADAMCHUK, V , ET AL (2016) A GLOBAL SPECTRAL LIBRARY TO CHARACTERIZE THE WORLD'S SOIL.EARTH-SCIENCE REVIEWS. VOL. 155. ISSUE . P. 198 -230 127 92% 5
3 DOOLITTLE, JA , BREVIK, EC , (2014) THE USE OF ELECTROMAGNETIC INDUCTION TECHNIQUES IN SOILS STUDIES.GEODERMA. VOL. 223. ISSUE . P. 33-45 92 94% 43
4 STENBERG, B , ROSSEL, RAV , MOUAZEN, AM , WETTERLIND, J , (2010) VISIBLE AND NEAR INFRARED SPECTROSCOPY IN SOIL SCIENCE.ADVANCES IN AGRONOMY, VOL 107. VOL. 107. ISSUE . P. 163-215 101 82% 213
5 MINASNY, B , MCBRATNEY, AB , (2016) DIGITAL SOIL MAPPING: A BRIEF HISTORY AND SOME LESSONS.GEODERMA. VOL. 264. ISSUE . P. 301 -311 73 82% 13
6 KUANG, B , MAHMOOD, HS , QURAISHI, MZ , HOOGMOED, WB , MOUAZEN, AM , VAN HENTEN, EJ , (2012) SENSING SOIL PROPERTIES IN THE LABORATORY, IN SITU, AND ON-LINE: A REVIEW.ADVANCES IN AGRONOMY, VOL 114. VOL. 114. ISSUE . P. 155 -+ 133 60% 32
7 BREVIK, EC , CALZOLARI, C , MILLER, BA , PEREIRA, P , KABALA, C , BAUMGARTEN, A , JORDAN, A , (2016) SOIL MAPPING, CLASSIFICATION, AND PEDOLOGIC MODELING: HISTORY AND FUTURE DIRECTIONS.GEODERMA. VOL. 264. ISSUE . P. 256 -274 84 54% 14
8 MCBRATNEY, AB , SANTOS, MLM , MINASNY, B , (2003) ON DIGITAL SOIL MAPPING.GEODERMA. VOL. 117. ISSUE 1-2. P. 3-52 96 50% 781
9 CORWIN, DL , LESCH, SM , (2005) APPARENT SOIL ELECTRICAL CONDUCTIVITY MEASUREMENTS IN AGRICULTURE.COMPUTERS AND ELECTRONICS IN AGRICULTURE. VOL. 46. ISSUE 1-3. P. 11-43 81 74% 246
10 CORWIN, DL , LESCH, SM , (2005) CHARACTERIZING SOIL SPATIAL VARIABILITY WITH APPARENT SOIL ELECTRICAL CONDUCTIVITY I. SURVEY PROTOCOLS.COMPUTERS AND ELECTRONICS IN AGRICULTURE. VOL. 46. ISSUE 1-3. P. 103-133 80 86% 112

Classes with closest relation at Level 2


Rank Class id link
1 1865 MATHEMATICAL GEOLOGY//MATHEMATICAL GEOSCIENCES//GEOSTATISTICS
2 2808 SODICITY//SALINE SODIC SOIL//SODIC SOIL
3 4161 DRY COMBUSTION//JOURNAL OF THE ASSOCIATION OF PUBLIC ANALYSTS//WALKLEY BLACK METHOD
4 523 SOIL SCIENCE//SOIL & TILLAGE RESEARCH//SOIL SCIENCE SOCIETY OF AMERICA JOURNAL
5 80 SOIL SCIENCE//SOIL BIOLOGY & BIOCHEMISTRY//SOIL RESPIRATION
6 2963 EURASIAN SOIL SCIENCE//PHYSICOCHEM BIOL PROBLEMS SOIL SCI//SOIL SCIENCE
7 829 SOIL EROSION//CATENA//RUSLE
8 974 AGRONOMY JOURNAL//SOIL SCIENCE//COVER CROPS
9 1007 REMOTE SENSING//REMOTE SENSING OF ENVIRONMENT//IMAGING SCIENCE & PHOTOGRAPHIC TECHNOLOGY
10 2668 LIGHT POLLUTION//DMSP OLS//NIGHTTIME LIGHTS

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