Class information for:
Level 1: NATURAL BACKGROUND LEVELS//AGRI ENVIRONMENTAL POLICY EVALUATION//GROWA

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
30041 175 30.4 29%


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
528 2             SWAT//NONPOINT SOURCE POLLUTION//JOURNAL OF ENVIRONMENTAL QUALITY 14960
30041 1                   NATURAL BACKGROUND LEVELS//AGRI ENVIRONMENTAL POLICY EVALUATION//GROWA 175

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 NATURAL BACKGROUND LEVELS authKW 1932793 7% 92% 12
2 AGRI ENVIRONMENTAL POLICY EVALUATION authKW 523465 2% 100% 3
3 GROWA authKW 523465 2% 100% 3
4 LEHRSTUHL UMWELTGEOL address 523465 2% 100% 3
5 MGROWA authKW 392597 2% 75% 3
6 BLACK SEA PROTECTION authKW 348977 1% 100% 2
7 GROUNDWATER TYPOLOGIES authKW 348977 1% 100% 2
8 IN STREAM RETENTION authKW 348977 1% 100% 2
9 MONERIS MODEL authKW 348977 1% 100% 2
10 REGULATORY PRAXIS authKW 348977 1% 100% 2

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 Water Resources 9195 61% 0% 107
2 Engineering, Environmental 1959 27% 0% 47
3 Environmental Sciences 1787 49% 0% 85
4 Geosciences, Multidisciplinary 176 13% 0% 22
5 Agriculture, Multidisciplinary 115 6% 0% 10
6 Soil Science 90 5% 0% 8
7 Engineering, Civil 74 6% 0% 11
8 Agronomy 51 5% 0% 9
9 Meteorology & Atmospheric Sciences 16 3% 0% 6
10 Information Science & Library Science 15 2% 0% 3

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 LEHRSTUHL UMWELTGEOL 523465 2% 100% 3
2 CHAIR ENVIRONM GEOL 314077 2% 60% 3
3 PROGRAMME GRP SYST ANAL TECHNOL EVALUAT 232650 1% 67% 2
4 PROGRAMMGRP SYST FOR TECHNOL ENTWICKLUNG 232650 1% 67% 2
5 ABT AGRARWIRT FI EREI ERNAHRUNG 45 174488 1% 100% 1
6 AGROSPHARE IBG 3 174488 1% 100% 1
7 BIO GEOWISSEN IBG AGROSPHARE 3 174488 1% 100% 1
8 BIO GEOWISSEN IGB 3 174488 1% 100% 1
9 CHAIR GEOG GEOG REMOTE SENSING 174488 1% 100% 1
10 CHEM DYNAM GEOSPHARE AGROSPHARE ICG 4 174488 1% 100% 1

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 HYDROLOGIE UND WASSERBEWIRTSCHAFTUNG 162001 7% 7% 13
2 BERICHTE UBER LANDWIRTSCHAFT 31938 6% 2% 10
3 ZEITSCHRIFT FUR KULTURTECHNIK UND FLURBEREINIGUNG 24532 2% 5% 3
4 GRUNDWASSER 14021 2% 2% 4
5 WATER SCIENCE AND TECHNOLOGY 13133 22% 0% 39
6 ENVIRONMENTAL GEOLOGY 5433 6% 0% 10
7 ENVIRONMENTAL EARTH SCIENCES 2350 5% 0% 9
8 PHYSICS AND CHEMISTRY OF THE EARTH 1465 2% 0% 4
9 HYDROLOGY RESEARCH 1279 1% 0% 2
10 BALTICA 1102 1% 1% 1

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 NATURAL BACKGROUND LEVELS 1932793 7% 92% 12 Search NATURAL+BACKGROUND+LEVELS Search NATURAL+BACKGROUND+LEVELS
2 AGRI ENVIRONMENTAL POLICY EVALUATION 523465 2% 100% 3 Search AGRI+ENVIRONMENTAL+POLICY+EVALUATION Search AGRI+ENVIRONMENTAL+POLICY+EVALUATION
3 GROWA 523465 2% 100% 3 Search GROWA Search GROWA
4 MGROWA 392597 2% 75% 3 Search MGROWA Search MGROWA
5 BLACK SEA PROTECTION 348977 1% 100% 2 Search BLACK+SEA+PROTECTION Search BLACK+SEA+PROTECTION
6 GROUNDWATER TYPOLOGIES 348977 1% 100% 2 Search GROUNDWATER+TYPOLOGIES Search GROUNDWATER+TYPOLOGIES
7 IN STREAM RETENTION 348977 1% 100% 2 Search IN+STREAM+RETENTION Search IN+STREAM+RETENTION
8 MONERIS MODEL 348977 1% 100% 2 Search MONERIS+MODEL Search MONERIS+MODEL
9 REGULATORY PRAXIS 348977 1% 100% 2 Search REGULATORY+PRAXIS Search REGULATORY+PRAXIS
10 RUHR RIVER 348977 1% 100% 2 Search RUHR+RIVER Search RUHR+RIVER

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 KUHR, P , HAIDER, J , KREINS, P , KUNKEL, R , TETZLAFF, B , VEREECKEN, H , WENDLAND, F , (2013) MODEL BASED ASSESSMENT OF NITRATE POLLUTION OF WATER RESOURCES ON A FEDERAL STATE LEVEL FOR THE DIMENSIONING OF AGRO-ENVIRONMENTAL REDUCTION STRATEGIES THE NORTH RHINE-WESTPHALIA (GERMANY) CASE STUDY.WATER RESOURCES MANAGEMENT. VOL. 27. ISSUE 3. P. 885-909 18 55% 8
2 WENDLAND, F , BEHRENDT, H , GOMANN, H , HIRT, U , KREINS, P , KUHN, U , KUNKEL, R , TETZLAFF, B , (2009) DETERMINATION OF NITROGEN REDUCTION LEVELS NECESSARY TO REACH GROUNDWATER QUALITY TARGETS IN LARGE RIVER BASINS: THE WESER BASIN CASE STUDY, GERMANY.NUTRIENT CYCLING IN AGROECOSYSTEMS. VOL. 85. ISSUE 1. P. 63 -78 10 83% 13
3 KUNKEL, R , KAPE, HE , KELLER, L , KOCH, F , TETZLAFF, B , WENDLAND, F , (2016) SCENARIOS FOR THE REDUCTION OF NITROGEN INPUTS TO ACHIEVE THE GROUNDWATER AND MARINE PROTECTION GOALS IN MECKLENBURG-VORPOMMERN.HYDROLOGIE UND WASSERBEWIRTSCHAFTUNG. VOL. 60. ISSUE 2. P. 119 -134 8 89% 0
4 ANDELOV, M , KUNKEL, R , UHAN, J , WENDLAND, F , (2014) DETERMINATION OF NITROGEN REDUCTION LEVELS NECESSARY TO REACH GROUNDWATER QUALITY TARGETS IN SLOVENIA.JOURNAL OF ENVIRONMENTAL SCIENCES. VOL. 26. ISSUE 9. P. 1806 -1817 13 57% 1
5 HERRMANN, F , CHEN, SN , HEIDT, L , ELBRACHT, J , ENGEL, N , KUNKEL, R , MULLER, U , ROHM, H , VEREECKEN, H , WENDLAND, F , (2013) HIGHLY RESOLVED DISTRIBUTED WATER-BALANCE MODELLING IN LOWER SAXONY USING MGROWA.HYDROLOGIE UND WASSERBEWIRTSCHAFTUNG. VOL. 57. ISSUE 5. P. 206 -224 13 52% 1
6 WENDLAND, F , KUNKEL, R , EISELE, M , (2008) ASSESSING NECESSARY NUTRIENT REDUCTION FOR MEASUREMENT PLANNING IN GROUNDWATER BODIES.WATER SCIENCE AND TECHNOLOGY. VOL. 58. ISSUE 12. P. 2295 -2302 7 100% 0
7 TETZLAFF, B , ANDJELOV, M , KUHR, P , UHAN, J , WENDLAND, F , (2015) MODEL-BASED ASSESSMENT OF GROUNDWATER RECHARGE IN SLOVENIA.ENVIRONMENTAL EARTH SCIENCES. VOL. 74. ISSUE 7. P. 6177 -6192 13 43% 0
8 DUCCI, D , DE MELO, MTC , PREZIOSI, E , SELLERINO, M , PARRONE, D , RIBEIRO, L , (2016) COMBINING NATURAL BACKGROUND LEVELS (NBLS) ASSESSMENT WITH INDICATOR KRIGING ANALYSIS TO IMPROVE GROUNDWATER QUALITY DATA INTERPRETATION AND MANAGEMENT.SCIENCE OF THE TOTAL ENVIRONMENT. VOL. 569. ISSUE . P. 569 -584 12 44% 0
9 KUNKEL, R , KREINS, P , TETZLAFF, B , WENDLAND, F , (2010) FORECASTING THE EFFECTS OF EU POLICY MEASURES ON THE NITRATE POLLUTION OF GROUNDWATER AND SURFACE WATERS.JOURNAL OF ENVIRONMENTAL SCIENCES. VOL. 22. ISSUE 6. P. 872 -877 6 100% 6
10 PANAGOPOULOS, A , ARAMPATZIS, G , KUHR, P , KUNKEL, R , TZIRITIS, E , WENDLAND, F , (2015) AREA-DIFFERENTIATED MODELING OF WATER BALANCE IN PINIOS RIVER BASIN, CENTRAL GREECE.GLOBAL NEST JOURNAL. VOL. 17. ISSUE 2. P. 221 -235 6 86% 2

Classes with closest relation at Level 1


Rank Class id link
1 28848 STROMUNGSMECH HYDRAUL STROMUNGSMA INEN//CHAIR HYDROL WATER OURCES MANAGEMENT//ARTIFICIAL CATCHMENT
2 7072 LOIS//HUMBER//AQUAT ENVIRONM
3 35157 WATER ADMINISTRATION//AREA RESTORATION//BLACK SEA DISTRICT
4 23307 LEACHN//LEACHMN//NCSOIL
5 36726 SAND STORAGE DAMS//GROUNDWATER INVEST SECT//SAND DAM
6 11811 PEAK PHOSPHORUS//NANI//SUBSTANCE FLOW ANALYSIS
7 25753 WATER SAFETY PLAN//ENVIRONM HLTH HLTH HUMAN SERV//GLOBAL WATER SANITAT HYG TEAM
8 5520 NITRATE ISOTOPES//NITRATE SOURCES//NITRATE
9 31948 BIOSPHERE MODELLING//LAKE PEIPSI CHUDSKOE//REFERENCE BIOSPHERE
10 15177 DRASTIC//GROUNDWATER VULNERABILITY//AQUIFER VULNERABILITY

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