Class information for: |
Basic class information |
ID | Publications | Average number of references |
Avg. shr. active ref. in WoS |
---|---|---|---|
8076 | 1221 | 40.2 | 51% |
Classes in level above (level 2) |
ID, lev. above |
Publications | Label for level above |
---|---|---|
399 | 16137 | GROUND WATER//HYDROGEOLOGY JOURNAL//SUBMARINE GROUNDWATER DISCHARGE |
Terms with highest relevance score |
Rank | Term | Type of term | Relevance score (tfidf) |
Class's shr. of term's tot. occurrences |
Shr. of publ. in class containing term |
Num. of publ. in class |
---|---|---|---|---|---|---|
1 | NITRATE SOURCES | Author keyword | 13 | 71% | 1% | 10 |
2 | NITRATE ISOTOPES | Author keyword | 12 | 63% | 1% | 12 |
3 | NITRATE SOURCE | Author keyword | 11 | 100% | 0% | 6 |
4 | NITROGEN AND OXYGEN ISOTOPES | Author keyword | 11 | 100% | 0% | 6 |
5 | NATURAL BACKGROUND LEVEL | Author keyword | 8 | 100% | 0% | 5 |
6 | NITRATE ISOTOPE | Author keyword | 6 | 80% | 0% | 4 |
7 | NATURAL BACKGROUND LEVELS | Author keyword | 6 | 71% | 0% | 5 |
8 | OSONA | Author keyword | 6 | 100% | 0% | 4 |
9 | NITRATE POLLUTION | Author keyword | 6 | 20% | 2% | 25 |
10 | DUAL ISOTOPES | Author keyword | 5 | 63% | 0% | 5 |
Web of Science journal categories |
Author Key Words |
Rank | Web of Science journal category | Relevance score (tfidf) |
Class's shr. of term's tot. occurrences |
Shr. of publ. in class containing term |
Num. of publ. in class |
LCSH search | Wikipedia search |
---|---|---|---|---|---|---|---|
1 | NITRATE SOURCES | 13 | 71% | 1% | 10 | Search NITRATE+SOURCES | Search NITRATE+SOURCES |
2 | NITRATE ISOTOPES | 12 | 63% | 1% | 12 | Search NITRATE+ISOTOPES | Search NITRATE+ISOTOPES |
3 | NITRATE SOURCE | 11 | 100% | 0% | 6 | Search NITRATE+SOURCE | Search NITRATE+SOURCE |
4 | NITROGEN AND OXYGEN ISOTOPES | 11 | 100% | 0% | 6 | Search NITROGEN+AND+OXYGEN+ISOTOPES | Search NITROGEN+AND+OXYGEN+ISOTOPES |
5 | NATURAL BACKGROUND LEVEL | 8 | 100% | 0% | 5 | Search NATURAL+BACKGROUND+LEVEL | Search NATURAL+BACKGROUND+LEVEL |
6 | NITRATE ISOTOPE | 6 | 80% | 0% | 4 | Search NITRATE+ISOTOPE | Search NITRATE+ISOTOPE |
7 | NATURAL BACKGROUND LEVELS | 6 | 71% | 0% | 5 | Search NATURAL+BACKGROUND+LEVELS | Search NATURAL+BACKGROUND+LEVELS |
8 | OSONA | 6 | 100% | 0% | 4 | Search OSONA | Search OSONA |
9 | NITRATE POLLUTION | 6 | 20% | 2% | 25 | Search NITRATE+POLLUTION | Search NITRATE+POLLUTION |
10 | DUAL ISOTOPES | 5 | 63% | 0% | 5 | Search DUAL+ISOTOPES | Search DUAL+ISOTOPES |
Key Words Plus |
Rank | Web of Science journal category | Relevance score (tfidf) |
Class's shr. of term's tot. occurrences |
Shr. of publ. in class containing term |
Num. of publ. in class |
---|---|---|---|---|---|
1 | NATURAL DENITRIFICATION | 68 | 84% | 3% | 37 |
2 | DENITRIFIER METHOD | 29 | 51% | 3% | 40 |
3 | NITRATE CONTAMINATION | 20 | 30% | 5% | 58 |
4 | RIPARIAN ZONE | 12 | 26% | 3% | 40 |
5 | SANDY AQUIFER | 11 | 18% | 5% | 58 |
6 | LARGE KARSTIC SPRINGS | 8 | 100% | 0% | 5 |
7 | SCHIST AQUIFER | 7 | 50% | 1% | 10 |
8 | NITRATE SOURCES | 7 | 57% | 1% | 8 |
9 | ATMOSPHERIC NITRATE | 7 | 31% | 1% | 18 |
10 | CONTAMINATION SOURCES | 7 | 39% | 1% | 13 |
Journals |
Reviews |
Title | Publ. year | Cit. | Active references | % act. ref. to same field |
---|---|---|---|---|
Present limitations and future prospects of stable isotope methods for nitrate source identification in surface- and groundwater | 2009 | 85 | 91 | 71% |
Nitrate attenuation in groundwater: A review of biogeochemical controlling processes | 2008 | 205 | 150 | 21% |
Isotopes for improved management of nitrate pollution in aqueous resources: review of surface water field studies | 2011 | 18 | 100 | 67% |
The potential for a suite of isotope and chemical markers to differentiate sources of nitrate contamination: A review | 2012 | 23 | 132 | 24% |
Using Cl/Br ratios and other indicators to assess potential impacts on groundwater quality from septic systems: A review and examples from principal aquifers in the United States | 2011 | 25 | 57 | 30% |
Tracing sources and pathways of dissolved nitrate in forest and river ecosystems using high-resolution isotopic techniques: a review | 2013 | 3 | 68 | 44% |
Groundwater recharge and agricultural contamination | 2002 | 215 | 93 | 31% |
Ion-exchange method in the collection of nitrate from freshwater ecosystems for nitrogen and oxygen isotope analysis: a review | 2015 | 0 | 58 | 72% |
Comprehensive isotopic composition of atmospheric nitrate in the Atlantic Ocean boundary layer from 65 degrees S to 79 degrees N | 2009 | 43 | 97 | 18% |
Evaluation of contamination sources of groundwater NO3- using nitrogen isotope data: A review | 2003 | 13 | 20 | 65% |
Address terms |
Rank | Address term | Relevance score (tfidf) |
Class's shr. of term's tot. occurrences |
Shr. of publ. in class containing term |
Num. of publ. in class |
---|---|---|---|---|---|
1 | AQUAT ENVIRONM WATER OURCE | 4 | 75% | 0.2% | 3 |
2 | RECERCA GEOL CARTOG AMBIENTAL GEOCAMB | 4 | 75% | 0.2% | 3 |
3 | GRP MINERAL LICADA MEDI AMBIENT | 4 | 36% | 0.7% | 9 |
4 | CENT WISCONSIN GROUNDWATER | 3 | 100% | 0.2% | 3 |
5 | GRP HIDROGEOQUIM | 3 | 60% | 0.2% | 3 |
6 | EARTH ENVIRONM SCI SEES BK21 | 2 | 67% | 0.2% | 2 |
7 | GRP HIDROL SUBTERRANIA | 2 | 67% | 0.2% | 2 |
8 | 413 | 2 | 25% | 0.5% | 6 |
9 | UNIT KNOWLEDGE BASED SYST | 2 | 28% | 0.4% | 5 |
10 | CHAIR ENVIRONM GEOL | 1 | 50% | 0.2% | 2 |
Related classes at same level (level 1) |
Rank | Relatedness score | Related classes |
---|---|---|
1 | 0.0000244078 | HALIFAX MARINE//KOBR KOH TREATMENT//IFBM |
2 | 0.0000168701 | GROUNDWATER AGE//ENVIRONMENTAL TRACERS//WATER OURCES DRINKING WATER |
3 | 0.0000167892 | DRASTIC//GROUNDWATER VULNERABILITY//DRASTIC MODEL |
4 | 0.0000140645 | NANI//THEORIE MUTAT URBAINES//UMR SISYPHE 7619 |
5 | 0.0000123582 | URBAN GROUNDWATER//SEWER LEAKAGE//MARKER SPECIES |
6 | 0.0000121245 | CHALK//CHALK GROUNDWATER//DUAL PERMEABILITY MODELS |
7 | 0.0000117480 | NLEAP//SOIL PLANT NUTRIENT UNIT//SPNRU |
8 | 0.0000116987 | GROUNDWATER QUALITY//HYDROCHEMISTRY//HYDROGEOCHEMISTRY |
9 | 0.0000113158 | FOR UNGSBEREICH MARINE BIOGEOCHEM//FOR BEREICH MARINE BIOGEOCHEM//PROC OCEANOG CLIMA PROFC |
10 | 0.0000109477 | VEGETATIVE FILTER STRIPS//GRASS FILTERS//FILTER STRIPS |