Scimago Journal & Country Rank

Global Atmosphere and Ocean System

Country United Kingdom  - SIR icon SIR Ranking of United Kingdom
H Index
Subject Area and CategoryEarth and Planetary Sciences

Environmental Science
Global and Planetary Change
PublisherTaylor & Francis
Publication typeJournals
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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.

Global and Planetary Change1999Q2
Global and Planetary Change2000Q2
Global and Planetary Change2001Q2
Global and Planetary Change2002Q3
Global and Planetary Change2003Q3
Global and Planetary Change2004Q3
Global and Planetary Change2005Q2
Global and Planetary Change2006Q2

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)19990.756
Cites / Doc. (4 years)20001.250
Cites / Doc. (4 years)20010.844
Cites / Doc. (4 years)20020.829
Cites / Doc. (4 years)20030.600
Cites / Doc. (4 years)20040.371
Cites / Doc. (4 years)20051.071
Cites / Doc. (4 years)20061.550
Cites / Doc. (3 years)19990.756
Cites / Doc. (3 years)20000.720
Cites / Doc. (3 years)20010.963
Cites / Doc. (3 years)20020.389
Cites / Doc. (3 years)20030.667
Cites / Doc. (3 years)20040.321
Cites / Doc. (3 years)20051.100
Cites / Doc. (3 years)20062.000
Cites / Doc. (2 years)19990.500
Cites / Doc. (2 years)20000.800
Cites / Doc. (2 years)20010.800
Cites / Doc. (2 years)20020.400
Cites / Doc. (2 years)20030.500
Cites / Doc. (2 years)20040.450
Cites / Doc. (2 years)20051.625
Cites / Doc. (2 years)20060.000
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 Cites19990
Self Cites20001
Self Cites20011
Self Cites20020
Self Cites20030
Self Cites20040
Self Cites20050
Self Cites20060
Total Cites199931
Total Cites200018
Total Cites200126
Total Cites20027
Total Cites200318
Total Cites20049
Total Cites200522
Total Cites200616
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 document19990.756
External Cites per document20000.680
External Cites per document20010.926
External Cites per document20020.389
External Cites per document20030.667
External Cites per document20040.321
External Cites per document20051.100
External Cites per document20062.000
Cites per document19990.756
Cites per document20000.720
Cites per document20010.963
Cites per document20020.389
Cites per document20030.667
Cites per document20040.321
Cites per document20051.100
Cites per document20062.000
% 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
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 documents19990
Non-citable documents20000
Non-citable documents20010
Non-citable documents20020
Non-citable documents20030
Non-citable documents20040
Non-citable documents20050
Non-citable documents20060
Citable documents199941
Citable documents200025
Citable documents200127
Citable documents200218
Citable documents200327
Citable documents200428
Citable documents200520
Citable documents20068
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 documents199922
Uncited documents200015
Uncited documents200112
Uncited documents200212
Uncited documents200315
Uncited documents200422
Uncited documents200511
Uncited documents20061
Cited documents199919
Cited documents200010
Cited documents200115
Cited documents20026
Cited documents200312
Cited documents20046
Cited documents20059
Cited documents20067
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