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.
Category
Year
Quartile
Geology
1999
Q3
Geology
2000
Q2
Geology
2001
Q3
Geology
2002
Q3
Geology
2003
Q4
Geology
2004
Q3
Geology
2005
Q4
Paleontology
1999
Q3
Paleontology
2000
Q3
Paleontology
2001
Q3
Paleontology
2002
Q3
Paleontology
2003
Q4
Paleontology
2004
Q4
Paleontology
2005
Q4
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.
Year
SJR
1999
0.190
2000
0.427
2001
0.253
2002
0.273
2003
0.110
2004
0.165
2005
0.105
Total Documents
Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.
Year
Documents
1999
13
2000
9
2001
8
2002
9
2003
0
2004
0
2005
0
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 document
Year
Value
Cites / Doc. (4 years)
1999
0.250
Cites / Doc. (4 years)
2000
0.429
Cites / Doc. (4 years)
2001
0.354
Cites / Doc. (4 years)
2002
0.574
Cites / Doc. (4 years)
2003
0.462
Cites / Doc. (4 years)
2004
0.346
Cites / Doc. (4 years)
2005
0.059
Cites / Doc. (3 years)
1999
0.250
Cites / Doc. (3 years)
2000
0.487
Cites / Doc. (3 years)
2001
0.359
Cites / Doc. (3 years)
2002
0.600
Cites / Doc. (3 years)
2003
0.231
Cites / Doc. (3 years)
2004
0.294
Cites / Doc. (3 years)
2005
0.111
Cites / Doc. (2 years)
1999
0.192
Cites / Doc. (2 years)
2000
0.500
Cites / Doc. (2 years)
2001
0.273
Cites / Doc. (2 years)
2002
0.412
Cites / Doc. (2 years)
2003
0.176
Cites / Doc. (2 years)
2004
0.333
Cites / Doc. (2 years)
2005
0.000
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.
Cites
Year
Value
Self Cites
1999
7
Self Cites
2000
6
Self Cites
2001
5
Self Cites
2002
7
Self Cites
2003
0
Self Cites
2004
0
Self Cites
2005
0
Total Cites
1999
9
Total Cites
2000
19
Total Cites
2001
14
Total Cites
2002
18
Total Cites
2003
6
Total Cites
2004
5
Total Cites
2005
1
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.
Cites
Year
Value
External Cites per document
1999
0.056
External Cites per document
2000
0.333
External Cites per document
2001
0.231
External Cites per document
2002
0.367
External Cites per document
2003
0.231
External Cites per document
2004
0.294
External Cites per document
2005
0.111
Cites per document
1999
0.250
Cites per document
2000
0.487
Cites per document
2001
0.359
Cites per document
2002
0.600
Cites per document
2003
0.231
Cites per document
2004
0.294
Cites per document
2005
0.111
% 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.
Year
International Collaboration
1999
23.08
2000
0.00
2001
0.00
2002
11.11
2003
0
2004
0
2005
0
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.
Documents
Year
Value
Non-citable documents
1999
0
Non-citable documents
2000
0
Non-citable documents
2001
0
Non-citable documents
2002
0
Non-citable documents
2003
0
Non-citable documents
2004
0
Non-citable documents
2005
0
Citable documents
1999
36
Citable documents
2000
39
Citable documents
2001
39
Citable documents
2002
30
Citable documents
2003
26
Citable documents
2004
17
Citable documents
2005
9
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.
Documents
Year
Value
Uncited documents
1999
28
Uncited documents
2000
25
Uncited documents
2001
28
Uncited documents
2002
15
Uncited documents
2003
21
Uncited documents
2004
12
Uncited documents
2005
8
Cited documents
1999
8
Cited documents
2000
14
Cited documents
2001
11
Cited documents
2002
15
Cited documents
2003
5
Cited documents
2004
5
Cited documents
2005
1
% Female Authors
Evolution of the percentage of female authors.
Year
Female Percent
1999
19.23
2000
33.33
2001
37.50
2002
23.53
2003
0.00
2004
0.00
2005
0.00
Documents cited by public policy (Overton)
Evolution of the number of documents cited by public policy documents according to Overton database.
Documents
Year
Value
Overton
1999
0
Overton
2000
0
Overton
2001
0
Overton
2002
0
Overton
2003
0
Overton
2004
0
Overton
2005
0
Documents related to SDGs (UN)
Evolution of the number of documents related to Sustainable Development Goals defined by United Nations. Available from 2018 onwards.
Documents
Year
Value
Estimated APC
It estimates the article processing charges (APCs) a journal might charge, based on its visibility, prestige, and impact as measured by the SJR. It does not reflect the actual APC, but rather a calculated approximation based on journal quality.
Year
Est. APC (USD)
1999
2451
2000
2680
2001
2650
2002
2643
2003
2579
2004
2570
2005
2430
Estimated financial value
It represents the potential financial worth of a journal. It is obtained by multiplying the journal's Estimated APC by the total number of citable documents published over the past five years. This value reflects the hypothetical revenue a journal could generate based on its estimated publication costs and scholarly output.
Year
Est. value (USD)
1999
31863
2000
58963
2001
79493
2002
103060
2003
100595
2004
66815
2005
41304
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