Scimago Journal & Country Rank

WMU Journal of Maritime Affairs

Country Germany  - SIR icon
H Index
Subject Area and CategoryEngineering
Ocean Engineering

Environmental Science
Management, Monitoring, Policy and Law

Social Sciences
Human Factors and Ergonomics
Safety Research
Publisher Springer Verlag
Publication typeJournals
ISSN1651436X, 16541642
Scope The WMU Journal of Maritime Affairs (JOMA) is an internationally peer-reviewed journal that covers such subject areas as maritime safety, maritime energy, marine environment protection, and maritime management and operations and gives special attention to human factors, impacts of technology, and policy-making in this context. JOMA is for academics, researchers and professionals in the maritime industry. It aims at serving the international maritime community by presenting current thinking and evidence-based arguments on those subjects of topical interest, reporting on relevant research findings and addressing interrelationships between safety, environment protection and efficacy of maritime transport. The Journal accepts articles and book reviews for publication. Articles should be conceptually reasoned and/or empirically data-driven. Articles reviewing relevant literature in a systematic manner are also considered for publication. Reviewing recently published books in the field is welcomed for publication.


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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.

Human Factors and Ergonomics2003Q4
Human Factors and Ergonomics2004Q4
Human Factors and Ergonomics2005Q4
Human Factors and Ergonomics2006Q4
Human Factors and Ergonomics2007Q4
Human Factors and Ergonomics2008Q4
Human Factors and Ergonomics2009Q4
Human Factors and Ergonomics2010Q4
Human Factors and Ergonomics2011Q3
Human Factors and Ergonomics2012Q3
Human Factors and Ergonomics2013Q3
Human Factors and Ergonomics2014Q2
Human Factors and Ergonomics2015Q4
Human Factors and Ergonomics2016Q3
Human Factors and Ergonomics2017Q2
Human Factors and Ergonomics2018Q3
Human Factors and Ergonomics2019Q3
Management, Monitoring, Policy and Law2003Q4
Management, Monitoring, Policy and Law2004Q4
Management, Monitoring, Policy and Law2005Q4
Management, Monitoring, Policy and Law2006Q4
Management, Monitoring, Policy and Law2007Q4
Management, Monitoring, Policy and Law2008Q4
Management, Monitoring, Policy and Law2009Q4
Management, Monitoring, Policy and Law2010Q4
Management, Monitoring, Policy and Law2011Q3
Management, Monitoring, Policy and Law2012Q3
Management, Monitoring, Policy and Law2013Q3
Management, Monitoring, Policy and Law2014Q2
Management, Monitoring, Policy and Law2015Q3
Management, Monitoring, Policy and Law2016Q3
Management, Monitoring, Policy and Law2017Q3
Management, Monitoring, Policy and Law2018Q3
Management, Monitoring, Policy and Law2019Q3
Ocean Engineering2003Q3
Ocean Engineering2004Q4
Ocean Engineering2005Q3
Ocean Engineering2006Q3
Ocean Engineering2007Q3
Ocean Engineering2008Q3
Ocean Engineering2009Q2
Ocean Engineering2010Q3
Ocean Engineering2011Q2
Ocean Engineering2012Q2
Ocean Engineering2013Q2
Ocean Engineering2014Q2
Ocean Engineering2015Q3
Ocean Engineering2016Q2
Ocean Engineering2017Q2
Ocean Engineering2018Q2
Ocean Engineering2019Q2
Safety Research2003Q4
Safety Research2004Q4
Safety Research2005Q3
Safety Research2006Q3
Safety Research2007Q3
Safety Research2008Q3
Safety Research2009Q3
Safety Research2010Q3
Safety Research2011Q2
Safety Research2012Q3
Safety Research2013Q2
Safety Research2014Q1
Safety Research2015Q3
Safety Research2016Q2
Safety Research2017Q2
Safety Research2018Q3
Safety Research2019Q2

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)20020.000
Cites / Doc. (4 years)20030.000
Cites / Doc. (4 years)20040.056
Cites / Doc. (4 years)20050.200
Cites / Doc. (4 years)20060.357
Cites / Doc. (4 years)20070.271
Cites / Doc. (4 years)20080.268
Cites / Doc. (4 years)20090.271
Cites / Doc. (4 years)20100.232
Cites / Doc. (4 years)20110.466
Cites / Doc. (4 years)20120.500
Cites / Doc. (4 years)20130.792
Cites / Doc. (4 years)20140.912
Cites / Doc. (4 years)20151.107
Cites / Doc. (4 years)20161.113
Cites / Doc. (4 years)20171.328
Cites / Doc. (4 years)20181.373
Cites / Doc. (4 years)20191.570
Cites / Doc. (3 years)20020.000
Cites / Doc. (3 years)20030.000
Cites / Doc. (3 years)20040.056
Cites / Doc. (3 years)20050.200
Cites / Doc. (3 years)20060.361
Cites / Doc. (3 years)20070.361
Cites / Doc. (3 years)20080.205
Cites / Doc. (3 years)20090.259
Cites / Doc. (3 years)20100.246
Cites / Doc. (3 years)20110.585
Cites / Doc. (3 years)20120.632
Cites / Doc. (3 years)20130.738
Cites / Doc. (3 years)20141.098
Cites / Doc. (3 years)20151.067
Cites / Doc. (3 years)20161.043
Cites / Doc. (3 years)20171.265
Cites / Doc. (3 years)20181.117
Cites / Doc. (3 years)20191.565
Cites / Doc. (2 years)20020.000
Cites / Doc. (2 years)20030.000
Cites / Doc. (2 years)20040.056
Cites / Doc. (2 years)20050.125
Cites / Doc. (2 years)20060.417
Cites / Doc. (2 years)20070.208
Cites / Doc. (2 years)20080.219
Cites / Doc. (2 years)20090.261
Cites / Doc. (2 years)20100.351
Cites / Doc. (2 years)20110.778
Cites / Doc. (2 years)20120.407
Cites / Doc. (2 years)20130.846
Cites / Doc. (2 years)20140.700
Cites / Doc. (2 years)20151.000
Cites / Doc. (2 years)20161.156
Cites / Doc. (2 years)20170.853
Cites / Doc. (2 years)20180.884
Cites / Doc. (2 years)20191.519
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 Cites20020
Self Cites20030
Self Cites20040
Self Cites20050
Self Cites20061
Self Cites20072
Self Cites20080
Self Cites20094
Self Cites20101
Self Cites20116
Self Cites20123
Self Cites20137
Self Cites20148
Self Cites20152
Self Cites20164
Self Cites20175
Self Cites201814
Self Cites201922
Total Cites20020
Total Cites20030
Total Cites20041
Total Cites20056
Total Cites200613
Total Cites200713
Total Cites20089
Total Cites200915
Total Cites201014
Total Cites201131
Total Cites201224
Total Cites201331
Total Cites201445
Total Cites201548
Total Cites201649
Total Cites201762
Total Cites201867
Total Cites2019108
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 document20020
External Cites per document20030.000
External Cites per document20040.056
External Cites per document20050.200
External Cites per document20060.333
External Cites per document20070.306
External Cites per document20080.205
External Cites per document20090.190
External Cites per document20100.228
External Cites per document20110.472
External Cites per document20120.553
External Cites per document20130.571
External Cites per document20140.902
External Cites per document20151.022
External Cites per document20160.957
External Cites per document20171.163
External Cites per document20180.883
External Cites per document20191.246
Cites per document20020.000
Cites per document20030.000
Cites per document20040.056
Cites per document20050.200
Cites per document20060.361
Cites per document20070.361
Cites per document20080.205
Cites per document20090.259
Cites per document20100.246
Cites per document20110.585
Cites per document20120.632
Cites per document20130.738
Cites per document20141.098
Cites per document20151.067
Cites per document20161.043
Cites per document20171.265
Cites per document20181.117
Cites per document20191.565
% 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 documents20020
Non-citable documents20031
Non-citable documents20043
Non-citable documents20055
Non-citable documents20066
Non-citable documents20075
Non-citable documents20085
Non-citable documents20094
Non-citable documents20103
Non-citable documents20113
Non-citable documents20123
Non-citable documents20133
Non-citable documents20141
Non-citable documents20152
Non-citable documents20163
Non-citable documents20174
Non-citable documents20182
Non-citable documents20191
Citable documents20020
Citable documents20036
Citable documents200418
Citable documents200530
Citable documents200636
Citable documents200736
Citable documents200844
Citable documents200958
Citable documents201057
Citable documents201153
Citable documents201238
Citable documents201342
Citable documents201441
Citable documents201545
Citable documents201647
Citable documents201749
Citable documents201860
Citable documents201969
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 documents20020
Uncited documents20037
Uncited documents200420
Uncited documents200531
Uncited documents200632
Uncited documents200733
Uncited documents200841
Uncited documents200950
Uncited documents201051
Uncited documents201140
Uncited documents201229
Uncited documents201329
Uncited documents201425
Uncited documents201526
Uncited documents201628
Uncited documents201729
Uncited documents201833
Uncited documents201926
Cited documents20020
Cited documents20030
Cited documents20041
Cited documents20054
Cited documents200610
Cited documents20078
Cited documents20088
Cited documents200912
Cited documents20109
Cited documents201116
Cited documents201212
Cited documents201316
Cited documents201417
Cited documents201521
Cited documents201622
Cited documents201724
Cited documents201829
Cited documents201944
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