Scimago Journal & Country Rank

Transactions of the Royal Institution of Naval Architects Part A: International Journal of Maritime Engineering


United Kingdom

Universities and research institutions in United Kingdom

Subject Area and Category


Royal Institution of Naval Architects



Publication type



14798751, 17400716





How to publish in this journal


The International Journal of Maritime Engineering (IJME) provides a forum for the reporting and discussion on technical and scientific issues associated with the design and construction of commercial marine vessels . Contributions in the form of papers and notes, together with discussion on published papers are welcomed. Join the conversation about this journal

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.

Environmental Engineering2007Q3
Environmental Engineering2008Q3
Environmental Engineering2009Q3
Environmental Engineering2010Q4
Environmental Engineering2011Q4
Environmental Engineering2012Q3
Environmental Engineering2013Q3
Environmental Engineering2014Q3
Environmental Engineering2015Q3
Environmental Engineering2016Q2
Environmental Engineering2017Q3
Environmental Engineering2018Q4
Environmental Engineering2019Q3
Ocean Engineering2007Q3
Ocean Engineering2008Q2
Ocean Engineering2009Q2
Ocean Engineering2010Q3
Ocean Engineering2011Q3
Ocean Engineering2012Q2
Ocean Engineering2013Q2
Ocean Engineering2014Q2
Ocean Engineering2015Q2
Ocean Engineering2016Q2
Ocean Engineering2017Q2
Ocean Engineering2018Q3
Ocean Engineering2019Q2

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)20060.000
Cites / Doc. (4 years)20070.722
Cites / Doc. (4 years)20080.394
Cites / Doc. (4 years)20090.408
Cites / Doc. (4 years)20100.424
Cites / Doc. (4 years)20110.379
Cites / Doc. (4 years)20120.384
Cites / Doc. (4 years)20130.620
Cites / Doc. (4 years)20140.444
Cites / Doc. (4 years)20150.675
Cites / Doc. (4 years)20160.807
Cites / Doc. (4 years)20170.748
Cites / Doc. (4 years)20180.588
Cites / Doc. (4 years)20190.616
Cites / Doc. (3 years)20060.000
Cites / Doc. (3 years)20070.722
Cites / Doc. (3 years)20080.394
Cites / Doc. (3 years)20090.408
Cites / Doc. (3 years)20100.438
Cites / Doc. (3 years)20110.373
Cites / Doc. (3 years)20120.368
Cites / Doc. (3 years)20130.630
Cites / Doc. (3 years)20140.556
Cites / Doc. (3 years)20150.707
Cites / Doc. (3 years)20160.768
Cites / Doc. (3 years)20170.753
Cites / Doc. (3 years)20180.505
Cites / Doc. (3 years)20190.600
Cites / Doc. (2 years)20060.000
Cites / Doc. (2 years)20070.722
Cites / Doc. (2 years)20080.394
Cites / Doc. (2 years)20090.387
Cites / Doc. (2 years)20100.455
Cites / Doc. (2 years)20110.114
Cites / Doc. (2 years)20120.275
Cites / Doc. (2 years)20130.694
Cites / Doc. (2 years)20140.594
Cites / Doc. (2 years)20150.477
Cites / Doc. (2 years)20160.765
Cites / Doc. (2 years)20170.746
Cites / Doc. (2 years)20180.485
Cites / Doc. (2 years)20190.591
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 Cites20060
Self Cites20070
Self Cites20080
Self Cites20090
Self Cites20102
Self Cites20113
Self Cites20122
Self Cites20133
Self Cites20144
Self Cites20156
Self Cites201612
Self Cites20179
Self Cites20186
Self Cites20190
Total Cites20060
Total Cites200713
Total Cites200813
Total Cites200920
Total Cites201021
Total Cites201119
Total Cites201221
Total Cites201334
Total Cites201430
Total Cites201541
Total Cites201653
Total Cites201764
Total Cites201847
Total Cites201960
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 document20060
External Cites per document20070.722
External Cites per document20080.394
External Cites per document20090.408
External Cites per document20100.396
External Cites per document20110.314
External Cites per document20120.333
External Cites per document20130.574
External Cites per document20140.481
External Cites per document20150.603
External Cites per document20160.594
External Cites per document20170.647
External Cites per document20180.441
External Cites per document20190.600
Cites per document20060.000
Cites per document20070.722
Cites per document20080.394
Cites per document20090.408
Cites per document20100.438
Cites per document20110.373
Cites per document20120.368
Cites per document20130.630
Cites per document20140.556
Cites per document20150.707
Cites per document20160.768
Cites per document20170.753
Cites per document20180.505
Cites per document20190.600
% 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 documents20060
Non-citable documents20076
Non-citable documents200811
Non-citable documents200916
Non-citable documents201015
Non-citable documents201114
Non-citable documents201213
Non-citable documents20138
Non-citable documents201410
Non-citable documents201515
Non-citable documents201615
Non-citable documents201718
Non-citable documents201812
Non-citable documents201914
Citable documents20060
Citable documents200718
Citable documents200833
Citable documents200949
Citable documents201048
Citable documents201151
Citable documents201257
Citable documents201354
Citable documents201454
Citable documents201558
Citable documents201669
Citable documents201785
Citable documents201893
Citable documents2019100
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 documents20060
Uncited documents200715
Uncited documents200834
Uncited documents200949
Uncited documents201050
Uncited documents201153
Uncited documents201254
Uncited documents201343
Uncited documents201447
Uncited documents201550
Uncited documents201651
Uncited documents201770
Uncited documents201877
Uncited documents201979
Cited documents20060
Cited documents20079
Cited documents200810
Cited documents200916
Cited documents201013
Cited documents201112
Cited documents201216
Cited documents201319
Cited documents201417
Cited documents201523
Cited documents201633
Cited documents201733
Cited documents201828
Cited documents201935
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