Scimago Journal & Country Rank

Greenhouse Gases: Science and Technology

CountryUnited Kingdom
H Index
Subject Area and CategoryEnvironmental Science
Environmental Chemistry
Environmental Engineering
PublisherJohn Wiley and Sons Ltd
Publication typeJournals

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.

Environmental Chemistry2012Q3
Environmental Chemistry2013Q2
Environmental Chemistry2014Q3
Environmental Chemistry2015Q3
Environmental Chemistry2016Q3
Environmental Chemistry2017Q3
Environmental Engineering2012Q2
Environmental Engineering2013Q1
Environmental Engineering2014Q1
Environmental Engineering2015Q2
Environmental Engineering2016Q2
Environmental Engineering2017Q2

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.

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)20110.000
Cites / Doc. (4 years)20122.361
Cites / Doc. (4 years)20132.713
Cites / Doc. (4 years)20142.364
Cites / Doc. (4 years)20152.429
Cites / Doc. (4 years)20162.000
Cites / Doc. (4 years)20171.855
Cites / Doc. (3 years)20110.000
Cites / Doc. (3 years)20122.361
Cites / Doc. (3 years)20132.713
Cites / Doc. (3 years)20142.364
Cites / Doc. (3 years)20152.247
Cites / Doc. (3 years)20161.859
Cites / Doc. (3 years)20171.865
Cites / Doc. (2 years)20110.000
Cites / Doc. (2 years)20122.361
Cites / Doc. (2 years)20132.713
Cites / Doc. (2 years)20141.828
Cites / Doc. (2 years)20151.947
Cites / Doc. (2 years)20161.785
Cites / Doc. (2 years)20171.648
Total 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.

Self Cites20110
Self Cites201210
Self Cites201328
Self Cites201414
Self Cites201538
Self Cites201616
Self Cites201740
Total Cites20110
Total Cites201285
Total Cites2013236
Total Cites2014305
Total Cites2015328
Total Cites2016303
Total Cites2017332
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.

External Cites per document20110
External Cites per document20122.083
External Cites per document20132.391
External Cites per document20142.256
External Cites per document20151.986
External Cites per document20161.761
External Cites per document20171.640
Cites per document20110.000
Cites per document20122.361
Cites per document20132.713
Cites per document20142.364
Cites per document20152.247
Cites per document20161.859
Cites per document20171.865
% 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
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.

Non-citable documents20110
Non-citable documents20126
Non-citable documents201317
Non-citable documents201426
Non-citable documents201530
Non-citable documents201626
Non-citable documents201724
Citable documents20110
Citable documents201236
Citable documents201387
Citable documents2014129
Citable documents2015146
Citable documents2016163
Citable documents2017178
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.

Uncited documents20110
Uncited documents201215
Uncited documents201341
Uncited documents201464
Uncited documents201576
Uncited documents201681
Uncited documents201789
Cited documents20110
Cited documents201227
Cited documents201363
Cited documents201491
Cited documents2015100
Cited documents2016108
Cited documents2017113
Scimago Journal & Country Rank
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