|Country||United States - SIR Ranking of United States||
|Subject Area and Category||Earth and Planetary Sciences|
Geochemistry and Petrology
Geotechnical Engineering and Engineering Geology
|Publication type||Conferences and Proceedings|
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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.
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 document||Year||Value|
|Cites / Doc. (4 years)||2007||0.000|
|Cites / Doc. (4 years)||2008||0.201|
|Cites / Doc. (4 years)||2009||0.240|
|Cites / Doc. (4 years)||2010||0.316|
|Cites / Doc. (4 years)||2011||0.244|
|Cites / Doc. (3 years)||2007||0.000|
|Cites / Doc. (3 years)||2008||0.201|
|Cites / Doc. (3 years)||2009||0.240|
|Cites / Doc. (3 years)||2010||0.316|
|Cites / Doc. (3 years)||2011||0.314|
|Cites / Doc. (2 years)||2007||0.000|
|Cites / Doc. (2 years)||2008||0.201|
|Cites / Doc. (2 years)||2009||0.240|
|Cites / Doc. (2 years)||2010||0.351|
|Cites / Doc. (2 years)||2011||0.000|
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.
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 document||2007||0|
|External Cites per document||2008||0.170|
|External Cites per document||2009||0.240|
|External Cites per document||2010||0.316|
|External Cites per document||2011||0.314|
|Cites per document||2007||0.000|
|Cites per document||2008||0.201|
|Cites per document||2009||0.240|
|Cites per document||2010||0.316|
|Cites per document||2011||0.314|
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.
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.
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.