Class information for: |
Basic class information |
Hierarchy of classes |
The table includes all classes above and classes immediately below the current class. |
| Cluster id | Level | Cluster label | #P |
|---|---|---|---|
| 3 | 4 | GEOSCIENCES, MULTIDISCIPLINARY//GEOCHEMISTRY & GEOPHYSICS//METEOROLOGY & ATMOSPHERIC SCIENCES | 1953906 |
| 630 | 3 | GAS HYDRATE//METHANE HYDRATE//OCEAN ACIDIFICATION | 12463 |
| 2161 | 2 | GAS HYDRATE//MUD VOLCANO//POCKMARKS | 5308 |
| 9673 | 1 | SHALE GAS//HYDRAULIC FRACTURING//FRACKING | 1164 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | SHALE GAS | authKW | 1122498 | 16% | 23% | 181 |
| 2 | HYDRAULIC FRACTURING | authKW | 1107889 | 17% | 21% | 195 |
| 3 | FRACKING | authKW | 734449 | 5% | 47% | 58 |
| 4 | MARCELLUS SHALE | authKW | 680698 | 4% | 57% | 44 |
| 5 | SHALE GAS DEVELOPMENT | authKW | 379046 | 1% | 100% | 14 |
| 6 | FLOWBACK WATER | authKW | 228772 | 1% | 65% | 13 |
| 7 | FLOWBACK | authKW | 217551 | 1% | 54% | 15 |
| 8 | UNCONVENTIONAL OIL AND GAS DEVELOPMENT | authKW | 189523 | 1% | 100% | 7 |
| 9 | PRECOURT ENERGY | address | 170078 | 1% | 37% | 17 |
| 10 | ABORAT S ENVIRONM ANAL REMEDIAT | address | 162448 | 1% | 100% | 6 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Environmental Sciences | 10692 | 47% | 0% | 542 |
| 2 | Engineering, Environmental | 8185 | 22% | 0% | 251 |
| 3 | Environmental Studies | 4645 | 12% | 0% | 135 |
| 4 | Energy & Fuels | 2703 | 16% | 0% | 190 |
| 5 | Engineering, Petroleum | 1631 | 4% | 0% | 45 |
| 6 | Water Resources | 1320 | 10% | 0% | 112 |
| 7 | Meteorology & Atmospheric Sciences | 657 | 7% | 0% | 85 |
| 8 | Geosciences, Multidisciplinary | 651 | 10% | 0% | 113 |
| 9 | GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY | 591 | 3% | 0% | 37 |
| 10 | Law | 446 | 4% | 0% | 46 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | PRECOURT ENERGY | 170078 | 1% | 37% | 17 |
| 2 | ABORAT S ENVIRONM ANAL REMEDIAT | 162448 | 1% | 100% | 6 |
| 3 | INTERDISCIPLINARY HUMAN TOXICOL PROGRAM | 101920 | 1% | 47% | 8 |
| 4 | ECOSYST DYNAM BRANCH | 54149 | 0% | 100% | 2 |
| 5 | ENERGY MINERALS ECON | 54149 | 0% | 100% | 2 |
| 6 | ENVIRONM OCCUPAT HLTH EOH | 54149 | 0% | 100% | 2 |
| 7 | GLOBAL LANDS TEAM | 54149 | 0% | 100% | 2 |
| 8 | ROBERT FREDERICK SMITH CHEM ENGN BIOMOL ENG | 54149 | 0% | 100% | 2 |
| 9 | SOLID EARTH DYNAM WATER CLIMATE ENVIRONM | 54149 | 0% | 100% | 2 |
| 10 | WYDZIALE BUDOWNICTWA INZYNIERII SRODOWISKA | 54149 | 0% | 100% | 2 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | ENVIRONMENTAL SCIENCE & TECHNOLOGY | 22965 | 13% | 1% | 157 |
| 2 | GROUNDWATER | 16987 | 1% | 4% | 15 |
| 3 | ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS | 11394 | 1% | 4% | 11 |
| 4 | REVIEW OF POLICY RESEARCH | 10685 | 1% | 4% | 11 |
| 5 | ECONOMICS OF ENERGY & ENVIRONMENTAL POLICY | 10037 | 1% | 6% | 6 |
| 6 | ENERGY STRATEGY REVIEWS | 7837 | 1% | 4% | 7 |
| 7 | ENERGY POLICY | 6832 | 4% | 1% | 49 |
| 8 | JOURNAL OF WORLD ENERGY LAW & BUSINESS | 5631 | 0% | 4% | 5 |
| 9 | OIL & GAS JOURNAL | 4720 | 2% | 1% | 22 |
| 10 | APPLIED GEOCHEMISTRY | 4678 | 2% | 1% | 26 |
Author Key Words |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass | LCSH search | Wikipedia search |
|---|---|---|---|---|---|---|---|
| 1 | SHALE GAS | 1122498 | 16% | 23% | 181 | Search SHALE+GAS | Search SHALE+GAS |
| 2 | HYDRAULIC FRACTURING | 1107889 | 17% | 21% | 195 | Search HYDRAULIC+FRACTURING | Search HYDRAULIC+FRACTURING |
| 3 | FRACKING | 734449 | 5% | 47% | 58 | Search FRACKING | Search FRACKING |
| 4 | MARCELLUS SHALE | 680698 | 4% | 57% | 44 | Search MARCELLUS+SHALE | Search MARCELLUS+SHALE |
| 5 | SHALE GAS DEVELOPMENT | 379046 | 1% | 100% | 14 | Search SHALE+GAS+DEVELOPMENT | Search SHALE+GAS+DEVELOPMENT |
| 6 | FLOWBACK WATER | 228772 | 1% | 65% | 13 | Search FLOWBACK+WATER | Search FLOWBACK+WATER |
| 7 | FLOWBACK | 217551 | 1% | 54% | 15 | Search FLOWBACK | Search FLOWBACK |
| 8 | UNCONVENTIONAL OIL AND GAS DEVELOPMENT | 189523 | 1% | 100% | 7 | Search UNCONVENTIONAL+OIL+AND+GAS+DEVELOPMENT | Search UNCONVENTIONAL+OIL+AND+GAS+DEVELOPMENT |
| 9 | MARCELLUS | 150406 | 1% | 56% | 10 | Search MARCELLUS | Search MARCELLUS |
| 10 | CORE FOREST | 135373 | 0% | 100% | 5 | Search CORE+FOREST | Search CORE+FOREST |
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. |
Classes with closest relation at Level 1 |