Class information for:
Level 1: SHALE GAS//HYDRAULIC FRACTURING//MARCELLUS SHALE

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
10913 1025 45.9 42%


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
16 4 ENGINEERING, CIVIL//CONSTRUCTION & BUILDING TECHNOLOGY//MECHANICS 627508
231 3       ENGINEERING, PETROLEUM//INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES//PETR ENGN 49169
2270 2             INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL//CO2 STORAGE//SALINE AQUIFER 4642
10913 1                   SHALE GAS//HYDRAULIC FRACTURING//MARCELLUS SHALE 1025

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 SHALE GAS authKW 1003045 15% 22% 151
2 HYDRAULIC FRACTURING authKW 910753 15% 19% 157
3 MARCELLUS SHALE authKW 605815 4% 54% 38
4 FRACKING authKW 462694 4% 39% 40
5 SHALE GAS DEVELOPMENT authKW 270808 1% 91% 10
6 PRECOURT ENERGY address 247459 2% 46% 18
7 FLOWBACK authKW 233534 1% 56% 14
8 FLOWBACK WATER authKW 225761 1% 63% 12
9 UNCONVENTIONAL OIL AND GAS DEVELOPMENT authKW 178734 1% 100% 6
10 ABORAT S ENVIRONM ANAL REMEDIAT address 148945 0% 100% 5

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 Environmental Sciences 9909 47% 0% 485
2 Engineering, Environmental 7653 22% 0% 226
3 Environmental Studies 2784 10% 0% 98
4 Energy & Fuels 2658 17% 0% 173
5 Engineering, Petroleum 1785 4% 0% 44
6 Water Resources 1316 10% 0% 104
7 Geosciences, Multidisciplinary 813 11% 0% 116
8 Meteorology & Atmospheric Sciences 804 8% 0% 87
9 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 424 3% 0% 29
10 Engineering, Chemical 293 8% 0% 86

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 PRECOURT ENERGY 247459 2% 46% 18
2 ABORAT S ENVIRONM ANAL REMEDIAT 148945 0% 100% 5
3 ECOSYST DYNAM BRANCH 59578 0% 100% 2
4 ENVIRONM OCCUPAT HLTH EOH 59578 0% 100% 2
5 SOLID EARTH DYNAM WATER CLIMATE ENVIRONM 59578 0% 100% 2
6 SUBSUR E GEOL SECT 59578 0% 100% 2
7 WYDZIALE BUDOWNICTWA INZYNIERII SRODOWISKA 59578 0% 100% 2
8 INTERDISCIPLINARY HUMAN TOXICOL PROGRAM 49642 0% 33% 5
9 WESTERN STATES OFF 47658 0% 40% 4
10 EASTERN ENERGY OURCES SCI 44675 1% 25% 6

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 ENVIRONMENTAL SCIENCE & TECHNOLOGY 21820 14% 1% 144
2 ECONOMICS OF ENERGY & ENVIRONMENTAL POLICY 16388 1% 8% 7
3 GROUNDWATER 11836 1% 4% 11
4 ENERGY STRATEGY REVIEWS 9590 1% 5% 7
5 ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS 8063 1% 3% 8
6 REVIEW OF POLICY RESEARCH 6769 1% 3% 8
7 JOURNAL OF WORLD ENERGY LAW & BUSINESS 6761 0% 5% 5
8 ENERGY POLICY 5768 4% 0% 42
9 APPLIED GEOCHEMISTRY 4901 2% 1% 25
10 ENERGY SCIENCE & ENGINEERING 4365 0% 4% 4

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 SHALE GAS 1003045 15% 22% 151 Search SHALE+GAS Search SHALE+GAS
2 HYDRAULIC FRACTURING 910753 15% 19% 157 Search HYDRAULIC+FRACTURING Search HYDRAULIC+FRACTURING
3 MARCELLUS SHALE 605815 4% 54% 38 Search MARCELLUS+SHALE Search MARCELLUS+SHALE
4 FRACKING 462694 4% 39% 40 Search FRACKING Search FRACKING
5 SHALE GAS DEVELOPMENT 270808 1% 91% 10 Search SHALE+GAS+DEVELOPMENT Search SHALE+GAS+DEVELOPMENT
6 FLOWBACK 233534 1% 56% 14 Search FLOWBACK Search FLOWBACK
7 FLOWBACK WATER 225761 1% 63% 12 Search FLOWBACK+WATER Search FLOWBACK+WATER
8 UNCONVENTIONAL OIL AND GAS DEVELOPMENT 178734 1% 100% 6 Search UNCONVENTIONAL+OIL+AND+GAS+DEVELOPMENT Search UNCONVENTIONAL+OIL+AND+GAS+DEVELOPMENT
9 UNCONVENTIONAL OIL AND GAS 126986 1% 47% 9 Search UNCONVENTIONAL+OIL+AND+GAS Search UNCONVENTIONAL+OIL+AND+GAS
10 UNCONVENTIONAL GAS 126908 1% 30% 14 Search UNCONVENTIONAL+GAS Search UNCONVENTIONAL+GAS

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 VENGOSH, A , JACKSON, RB , WARNER, N , DARRAH, TH , KONDASH, A , (2014) A CRITICAL REVIEW OF THE RISKS TO WATER RESOURCES FROM UNCONVENTIONAL SHALE GAS DEVELOPMENT AND HYDRAULIC FRACTURING IN THE UNITED STATES.ENVIRONMENTAL SCIENCE & TECHNOLOGY. VOL. 48. ISSUE 15. P. 8334 -8348 56 62% 158
2 ANNEVELINK, MPJA , MEESTERS, JAJ , HENDRIKS, AJ , (2016) ENVIRONMENTAL CONTAMINATION DUE TO SHALE GAS DEVELOPMENT.SCIENCE OF THE TOTAL ENVIRONMENT. VOL. 550. ISSUE . P. 431 -438 42 98% 6
3 COOPER, J , STAMFORD, L , AZAPAGIC, A , (2016) SHALE GAS: A REVIEW OF THE ECONOMIC, ENVIRONMENTAL, AND SOCIAL SUSTAINABILITY.ENERGY TECHNOLOGY. VOL. 4. ISSUE 7. P. 772 -792 69 83% 0
4 ELLIOTT, EG , TRINH, P , MA, XM , LEADERER, BP , WARD, MH , DEZIEL, NC , (2017) UNCONVENTIONAL OIL AND GAS DEVELOPMENT AND RISK OF CHILDHOOD LEUKEMIA: ASSESSING THE EVIDENCE.SCIENCE OF THE TOTAL ENVIRONMENT. VOL. 576. ISSUE . P. 138 -147 69 70% 0
5 ELLIOTT, EG , ETTINGER, AS , LEADERER, BP , BRACKEN, MB , DEZIEL, NC , (2017) A SYSTEMATIC EVALUATION OF CHEMICALS IN HYDRAULIC-FRACTURING FLUIDS AND WASTEWATER FOR REPRODUCTIVE AND DEVELOPMENTAL TOXICITY.JOURNAL OF EXPOSURE SCIENCE AND ENVIRONMENTAL EPIDEMIOLOGY. VOL. 27. ISSUE 1. P. 90 -99 27 84% 2
6 BALCOMBE, P , ANDERSON, K , SPEIRS, J , BRANDON, N , HAWKES, A , (2017) THE NATURAL GAS SUPPLY CHAIN: THE IMPORTANCE OF METHANE AND CARBON DIOXIDE EMISSIONS.ACS SUSTAINABLE CHEMISTRY & ENGINEERING. VOL. 5. ISSUE 1. P. 3 -20 57 77% 0
7 JACKSON, RB , VENGOSH, A , CAREY, JW , DAVIES, RJ , DARRAH, TH , O'SULLIVAN, F , PETRON, G , (2014) THE ENVIRONMENTAL COSTS AND BENEFITS OF FRACKING.ANNUAL REVIEW OF ENVIRONMENT AND RESOURCES, VOL 39. VOL. 39. ISSUE . P. 327 -362 53 66% 25
8 LAMPE, DJ , STOLZ, JF , (2015) CURRENT PERSPECTIVES ON UNCONVENTIONAL SHALE GAS EXTRACTION IN THE APPALACHIAN BASIN.JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING. VOL. 50. ISSUE 5. P. 434 -446 40 93% 6
9 PRPICH, G , COULON, F , ANTHONY, EJ , (2016) REVIEW OF THE SCIENTIFIC EVIDENCE TO SUPPORT ENVIRONMENTAL RISK ASSESSMENT OF SHALE GAS DEVELOPMENT IN THE UK.SCIENCE OF THE TOTAL ENVIRONMENT. VOL. 563. ISSUE . P. 731 -740 54 74% 0
10 ALLEN, DT , (2016) EMISSIONS FROM OIL AND GAS OPERATIONS IN THE UNITED STATES AND THEIR AIR QUALITY IMPLICATIONS.JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION. VOL. 66. ISSUE 6. P. 549 -575 48 76% 1

Classes with closest relation at Level 1


Rank Class id link
1 33518 CONVENTIONAL CRUDE//OIL SANDS OPERATIONS//STEAM TO OIL RATIO
2 7534 SHALE GAS//LONGMAXI FORMATION//TIGHT OIL
3 20982 NATURAL GAS MARKET//GAS MARKET//ENTRY EXIT TARIFFS
4 28537 TENORM//BLACK POWDER//NORM
5 9497 ATMOSPHERIC METHANE//AEROBIC METHANE EMISSION//METHANE TRENDS
6 33102 HYDRAJET FRACTURING//SHALE GAS EXPLOITATION//SUPERCRITICAL CARBON DIOXIDE JET
7 10009 ENHANCED GEOTHERMAL SYSTEMS//HOT DRY ROCK//INDUCED SEISMICITY
8 23653 CASING WEAR//SPE DRILLING & COMPLETION//CASING DESIGN
9 24823 GOSPODARKA SUROWCAMI MINERALNYMI-MINERAL RESOURCES MANAGEMENT//ARCHIVES OF MINING SCIENCES//DRILLING OIL GAS
10 12488 EROI//ENERGY PAYBACK TIME//ENERGY RETURN ON INVESTMENT EROI

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