Scimago Journal & Country Rank

EPA Publications

Country United States  - SIR icon SIR Ranking of United States
1
H Index
Subject Area and CategoryEnergy
Energy (miscellaneous)
PublisherPrinting Management
Publication typeJournals
ISSN01925008
Coverage1997, 1999-2002
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Quartiles

The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

CategoryYearQuartile
Energy (miscellaneous)1999Q2
Energy (miscellaneous)2000Q3
Energy (miscellaneous)2001Q3
Energy (miscellaneous)2002Q4
Energy (miscellaneous)2003Q3
Energy (miscellaneous)2004Q3
Energy (miscellaneous)2005Q3
SJR

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

YearSJR
19990.121
20000.107
20010.102
20020.101
20030.117
20040.102
20050.105
Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per documentYearValue
Cites / Doc. (4 years)19990.000
Cites / Doc. (4 years)20000.000
Cites / Doc. (4 years)20010.000
Cites / Doc. (4 years)20020.000
Cites / Doc. (4 years)20030.048
Cites / Doc. (4 years)20040.000
Cites / Doc. (4 years)20050.000
Cites / Doc. (3 years)19990.000
Cites / Doc. (3 years)20000.000
Cites / Doc. (3 years)20010.000
Cites / Doc. (3 years)20020.000
Cites / Doc. (3 years)20030.053
Cites / Doc. (3 years)20040.000
Cites / Doc. (3 years)20050.000
Cites / Doc. (2 years)19990.000
Cites / Doc. (2 years)20000.000
Cites / Doc. (2 years)20010.000
Cites / Doc. (2 years)20020.000
Cites / Doc. (2 years)20030.000
Cites / Doc. (2 years)20040.000
Cites / Doc. (2 years)20050.000
Total Cites 
Self-Cites

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

CitesYearValue
Self Cites19990
Self Cites20000
Self Cites20010
Self Cites20020
Self Cites20030
Self Cites20040
Self Cites20050
Total Cites19990
Total Cites20000
Total Cites20010
Total Cites20020
Total Cites20031
Total Cites20040
Total Cites20050
External Cites per Doc 
Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

CitesYearValue
External Cites per document19990.000
External Cites per document20000.000
External Cites per document20010.000
External Cites per document20020.000
External Cites per document20030.053
External Cites per document20040.000
External Cites per document20050.000
Cites per document19990.000
Cites per document20000.000
Cites per document20010.000
Cites per document20020.000
Cites per document20030.053
Cites per document20040.000
Cites per document20050.000
% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

YearInternational Collaboration
19990.00
20000.00
20010.00
20020.00
20030
20040
20050
Citable documents 
Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

DocumentsYearValue
Non-citable documents19990
Non-citable documents20004
Non-citable documents20015
Non-citable documents20025
Non-citable documents20031
Non-citable documents20040
Non-citable documents20050
Citable documents19991
Citable documents20003
Citable documents200111
Citable documents200217
Citable documents200319
Citable documents200410
Citable documents20054
Cited documents 
Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

DocumentsYearValue
Uncited documents19991
Uncited documents20007
Uncited documents200116
Uncited documents200222
Uncited documents200319
Uncited documents200410
Uncited documents20054
Cited documents19990
Cited documents20000
Cited documents20010
Cited documents20020
Cited documents20031
Cited documents20040
Cited documents20050
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