Scimago Journal & Country Rank

Journal of African Earth Sciences

Country United Kingdom  - SIR icon SIR Ranking of United Kingdom
64
H Index
Subject Area and CategoryEarth and Planetary Sciences
Earth-Surface Processes
Geology
PublisherElsevier Ltd.
Publication typeJournals
ISSN1464343X
Coverage1983-ongoing
Scope The Journal of African Earth Sciences sees itself as the prime geological journal for all aspects of the geology of the African continent and the Middle East, and especially on the search for natural resources from these regions. This international interdisciplinary journal publishes high quality, peer-reviewed scientific papers on the geodynamics of the African and Arabian plates and their contained mobile belts, cratons and sedimentary basins; the crustal evolution, tectonics and structural geology of this region; economic geology of major mineral deposits and hydrocarbon resources; sedimentology, stratigraphy and palaeontology, petrology and mineralogy, geochemistry and isotope geology of Africa and the Middle East.

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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
Earth-Surface Processes1999Q2
Earth-Surface Processes2000Q2
Earth-Surface Processes2001Q2
Earth-Surface Processes2002Q2
Earth-Surface Processes2003Q1
Earth-Surface Processes2004Q2
Earth-Surface Processes2005Q1
Earth-Surface Processes2006Q2
Earth-Surface Processes2007Q1
Earth-Surface Processes2008Q1
Earth-Surface Processes2009Q2
Earth-Surface Processes2010Q2
Earth-Surface Processes2011Q2
Earth-Surface Processes2012Q2
Earth-Surface Processes2013Q2
Earth-Surface Processes2014Q2
Earth-Surface Processes2015Q2
Earth-Surface Processes2016Q2
Earth-Surface Processes2017Q2
Earth-Surface Processes2018Q2
Geology1999Q2
Geology2000Q2
Geology2001Q2
Geology2002Q1
Geology2003Q1
Geology2004Q2
Geology2005Q2
Geology2006Q1
Geology2007Q1
Geology2008Q1
Geology2009Q1
Geology2010Q2
Geology2011Q2
Geology2012Q2
Geology2013Q2
Geology2014Q2
Geology2015Q2
Geology2016Q2
Geology2017Q2
Geology2018Q2
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
19990.421
20000.519
20010.556
20020.656
20030.846
20040.622
20050.742
20060.750
20070.920
20081.674
20090.840
20100.751
20110.620
20120.719
20130.870
20140.628
20150.573
20160.681
20170.681
20180.595
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)19990.593
Cites / Doc. (4 years)20000.588
Cites / Doc. (4 years)20010.709
Cites / Doc. (4 years)20020.619
Cites / Doc. (4 years)20031.066
Cites / Doc. (4 years)20041.010
Cites / Doc. (4 years)20050.910
Cites / Doc. (4 years)20061.290
Cites / Doc. (4 years)20071.224
Cites / Doc. (4 years)20081.559
Cites / Doc. (4 years)20091.574
Cites / Doc. (4 years)20101.922
Cites / Doc. (4 years)20111.498
Cites / Doc. (4 years)20121.374
Cites / Doc. (4 years)20131.849
Cites / Doc. (4 years)20141.925
Cites / Doc. (4 years)20151.628
Cites / Doc. (4 years)20161.838
Cites / Doc. (4 years)20171.829
Cites / Doc. (4 years)20181.910
Cites / Doc. (3 years)19990.593
Cites / Doc. (3 years)20000.511
Cites / Doc. (3 years)20010.712
Cites / Doc. (3 years)20020.628
Cites / Doc. (3 years)20031.019
Cites / Doc. (3 years)20040.926
Cites / Doc. (3 years)20050.986
Cites / Doc. (3 years)20061.146
Cites / Doc. (3 years)20071.135
Cites / Doc. (3 years)20081.714
Cites / Doc. (3 years)20091.260
Cites / Doc. (3 years)20101.667
Cites / Doc. (3 years)20111.395
Cites / Doc. (3 years)20121.429
Cites / Doc. (3 years)20131.850
Cites / Doc. (3 years)20141.693
Cites / Doc. (3 years)20151.499
Cites / Doc. (3 years)20161.734
Cites / Doc. (3 years)20171.753
Cites / Doc. (3 years)20181.825
Cites / Doc. (2 years)19990.427
Cites / Doc. (2 years)20000.490
Cites / Doc. (2 years)20010.711
Cites / Doc. (2 years)20020.434
Cites / Doc. (2 years)20030.730
Cites / Doc. (2 years)20041.144
Cites / Doc. (2 years)20050.725
Cites / Doc. (2 years)20060.923
Cites / Doc. (2 years)20071.220
Cites / Doc. (2 years)20081.374
Cites / Doc. (2 years)20090.851
Cites / Doc. (2 years)20101.543
Cites / Doc. (2 years)20111.407
Cites / Doc. (2 years)20121.359
Cites / Doc. (2 years)20131.559
Cites / Doc. (2 years)20141.500
Cites / Doc. (2 years)20151.433
Cites / Doc. (2 years)20161.604
Cites / Doc. (2 years)20171.620
Cites / Doc. (2 years)20181.713
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 Cites199926
Self Cites200031
Self Cites200146
Self Cites200223
Self Cites200324
Self Cites200450
Self Cites200548
Self Cites200657
Self Cites200733
Self Cites200818
Self Cites200914
Self Cites201037
Self Cites201140
Self Cites201237
Self Cites201354
Self Cites201486
Self Cites201580
Self Cites2016151
Self Cites2017195
Self Cites2018193
Total Cites1999134
Total Cites2000141
Total Cites2001210
Total Cites2002208
Total Cites2003263
Total Cites2004188
Total Cites2005210
Total Cites2006243
Total Cites2007294
Total Cites2008353
Total Cites2009242
Total Cites2010210
Total Cites2011258
Total Cites2012310
Total Cites2013481
Total Cites2014391
Total Cites2015562
Total Cites2016921
Total Cites20171255
Total Cites20181469
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 document19990.478
External Cites per document20000.399
External Cites per document20010.556
External Cites per document20020.559
External Cites per document20030.926
External Cites per document20040.680
External Cites per document20050.761
External Cites per document20060.877
External Cites per document20071.008
External Cites per document20081.626
External Cites per document20091.188
External Cites per document20101.373
External Cites per document20111.178
External Cites per document20121.258
External Cites per document20131.642
External Cites per document20141.320
External Cites per document20151.285
External Cites per document20161.450
External Cites per document20171.480
External Cites per document20181.585
Cites per document19990.593
Cites per document20000.511
Cites per document20010.712
Cites per document20020.628
Cites per document20031.019
Cites per document20040.926
Cites per document20050.986
Cites per document20061.146
Cites per document20071.135
Cites per document20081.714
Cites per document20091.260
Cites per document20101.667
Cites per document20111.395
Cites per document20121.429
Cites per document20131.850
Cites per document20141.693
Cites per document20151.499
Cites per document20161.734
Cites per document20171.753
Cites per document20181.825
% 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
199935.07
200037.37
200148.48
200253.33
200351.11
200457.66
200556.92
200661.46
200749.15
200845.83
200948.00
201057.85
201151.90
201262.32
201359.78
201457.02
201551.74
201643.77
201750.95
201844.09
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 documents199911
Non-citable documents20002
Non-citable documents20012
Non-citable documents20021
Non-citable documents20030
Non-citable documents20041
Non-citable documents20053
Non-citable documents20069
Non-citable documents200713
Non-citable documents200814
Non-citable documents200911
Non-citable documents20106
Non-citable documents20119
Non-citable documents20128
Non-citable documents20139
Non-citable documents20149
Non-citable documents201514
Non-citable documents201619
Non-citable documents201723
Non-citable documents201822
Citable documents1999226
Citable documents2000276
Citable documents2001295
Citable documents2002331
Citable documents2003258
Citable documents2004203
Citable documents2005213
Citable documents2006212
Citable documents2007259
Citable documents2008206
Citable documents2009192
Citable documents2010126
Citable documents2011185
Citable documents2012217
Citable documents2013260
Citable documents2014231
Citable documents2015375
Citable documents2016531
Citable documents2017716
Citable documents2018805
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 documents1999160
Uncited documents2000195
Uncited documents2001180
Uncited documents2002230
Uncited documents2003148
Uncited documents2004106
Uncited documents2005127
Uncited documents2006115
Uncited documents2007125
Uncited documents200883
Uncited documents200979
Uncited documents201045
Uncited documents201179
Uncited documents201286
Uncited documents201395
Uncited documents201481
Uncited documents2015159
Uncited documents2016181
Uncited documents2017259
Uncited documents2018270
Cited documents199977
Cited documents200083
Cited documents2001117
Cited documents2002102
Cited documents2003110
Cited documents200498
Cited documents200589
Cited documents2006106
Cited documents2007147
Cited documents2008137
Cited documents2009124
Cited documents201087
Cited documents2011115
Cited documents2012139
Cited documents2013174
Cited documents2014159
Cited documents2015230
Cited documents2016369
Cited documents2017480
Cited documents2018557
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