Proceedings of the Institution of Mechanical Engineers Part M: Journal of Engineering for the Maritime Environment

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.

Category	Year	Quartile
Mechanical Engineering	2003	Q3
Mechanical Engineering	2004	Q3
Mechanical Engineering	2005	Q2
Mechanical Engineering	2006	Q3
Mechanical Engineering	2007	Q2
Mechanical Engineering	2008	Q3
Mechanical Engineering	2009	Q2
Mechanical Engineering	2010	Q2
Mechanical Engineering	2011	Q2
Mechanical Engineering	2012	Q1
Mechanical Engineering	2013	Q2
Mechanical Engineering	2014	Q2
Mechanical Engineering	2015	Q2
Mechanical Engineering	2016	Q2
Ocean Engineering	2003	Q2
Ocean Engineering	2004	Q2
Ocean Engineering	2005	Q2
Ocean Engineering	2006	Q2
Ocean Engineering	2007	Q2
Ocean Engineering	2008	Q2
Ocean Engineering	2009	Q2
Ocean Engineering	2010	Q2
Ocean Engineering	2011	Q2
Ocean Engineering	2012	Q1
Ocean Engineering	2013	Q2
Ocean Engineering	2014	Q2
Ocean Engineering	2015	Q2
Ocean Engineering	2016	Q2

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
2003	0.165
2004	0.135
2005	0.227
2006	0.174
2007	0.237
2008	0.158
2009	0.339
2010	0.304
2011	0.473
2012	0.763
2013	0.346
2014	0.529
2015	0.420
2016	0.537

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)	2003	0.231
Cites / Doc. (4 years)	2004	0.067
Cites / Doc. (4 years)	2005	0.231
Cites / Doc. (4 years)	2006	0.254
Cites / Doc. (4 years)	2007	0.529
Cites / Doc. (4 years)	2008	0.556
Cites / Doc. (4 years)	2009	0.721
Cites / Doc. (4 years)	2010	0.783
Cites / Doc. (4 years)	2011	0.846
Cites / Doc. (4 years)	2012	1.252
Cites / Doc. (4 years)	2013	1.017
Cites / Doc. (4 years)	2014	1.193
Cites / Doc. (4 years)	2015	1.080
Cites / Doc. (4 years)	2016	1.094
Cites / Doc. (3 years)	2003	0.231
Cites / Doc. (3 years)	2004	0.067
Cites / Doc. (3 years)	2005	0.231
Cites / Doc. (3 years)	2006	0.259
Cites / Doc. (3 years)	2007	0.604
Cites / Doc. (3 years)	2008	0.561
Cites / Doc. (3 years)	2009	0.848
Cites / Doc. (3 years)	2010	0.731
Cites / Doc. (3 years)	2011	0.840
Cites / Doc. (3 years)	2012	1.198
Cites / Doc. (3 years)	2013	0.916
Cites / Doc. (3 years)	2014	1.133
Cites / Doc. (3 years)	2015	0.981
Cites / Doc. (3 years)	2016	1.028
Cites / Doc. (2 years)	2003	0.231
Cites / Doc. (2 years)	2004	0.067
Cites / Doc. (2 years)	2005	0.282
Cites / Doc. (2 years)	2006	0.297
Cites / Doc. (2 years)	2007	0.516
Cites / Doc. (2 years)	2008	0.654
Cites / Doc. (2 years)	2009	0.833
Cites / Doc. (2 years)	2010	0.702
Cites / Doc. (2 years)	2011	0.885
Cites / Doc. (2 years)	2012	1.000
Cites / Doc. (2 years)	2013	0.780
Cites / Doc. (2 years)	2014	0.967
Cites / Doc. (2 years)	2015	0.897
Cites / Doc. (2 years)	2016	1.115

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	2003	1
Self Cites	2004	0
Self Cites	2005	0
Self Cites	2006	0
Self Cites	2007	1
Self Cites	2008	0
Self Cites	2009	3
Self Cites	2010	2
Self Cites	2011	5
Self Cites	2012	16
Self Cites	2013	3
Self Cites	2014	16
Self Cites	2015	2
Self Cites	2016	6
Total Cites	2003	3
Total Cites	2004	2
Total Cites	2005	12
Total Cites	2006	14
Total Cites	2007	32
Total Cites	2008	23
Total Cites	2009	39
Total Cites	2010	49
Total Cites	2011	68
Total Cites	2012	109
Total Cites	2013	76
Total Cites	2014	102
Total Cites	2015	105
Total Cites	2016	112

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	2003	0.154
External Cites per document	2004	0.067
External Cites per document	2005	0.231
External Cites per document	2006	0.259
External Cites per document	2007	0.585
External Cites per document	2008	0.561
External Cites per document	2009	0.783
External Cites per document	2010	0.701
External Cites per document	2011	0.778
External Cites per document	2012	1.022
External Cites per document	2013	0.880
External Cites per document	2014	0.956
External Cites per document	2015	0.963
External Cites per document	2016	0.972
Cites per document	2003	0.231
Cites per document	2004	0.067
Cites per document	2005	0.231
Cites per document	2006	0.259
Cites per document	2007	0.604
Cites per document	2008	0.561
Cites per document	2009	0.848
Cites per document	2010	0.731
Cites per document	2011	0.840
Cites per document	2012	1.198
Cites per document	2013	0.916
Cites per document	2014	1.133
Cites per document	2015	0.981
Cites per document	2016	1.028

% 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
2003	16.67
2004	13.04
2005	26.67
2006	6.25
2007	0.00
2008	15.00
2009	17.95
2010	8.00
2011	16.67
2012	10.00
2013	30.30
2014	25.00
2015	30.30
2016	15.15

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	2003	1
Non-citable documents	2004	2
Non-citable documents	2005	3
Non-citable documents	2006	2
Non-citable documents	2007	1
Non-citable documents	2008	0
Non-citable documents	2009	0
Non-citable documents	2010	2
Non-citable documents	2011	3
Non-citable documents	2012	3
Non-citable documents	2013	2
Non-citable documents	2014	3
Non-citable documents	2015	4
Non-citable documents	2016	5
Citable documents	2003	13
Citable documents	2004	30
Citable documents	2005	52
Citable documents	2006	54
Citable documents	2007	53
Citable documents	2008	41
Citable documents	2009	46
Citable documents	2010	67
Citable documents	2011	81
Citable documents	2012	91
Citable documents	2013	83
Citable documents	2014	90
Citable documents	2015	107
Citable documents	2016	109

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	2003	11
Uncited documents	2004	30
Uncited documents	2005	44
Uncited documents	2006	48
Uncited documents	2007	34
Uncited documents	2008	24
Uncited documents	2009	27
Uncited documents	2010	41
Uncited documents	2011	46
Uncited documents	2012	48
Uncited documents	2013	51
Uncited documents	2014	41
Uncited documents	2015	65
Uncited documents	2016	64
Cited documents	2003	3
Cited documents	2004	2
Cited documents	2005	11
Cited documents	2006	8
Cited documents	2007	20
Cited documents	2008	17
Cited documents	2009	19
Cited documents	2010	28
Cited documents	2011	38
Cited documents	2012	46
Cited documents	2013	34
Cited documents	2014	52
Cited documents	2015	46
Cited documents	2016	50

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Country	United Kingdom	20 H Index
Subject Area and Category	Engineering Mechanical Engineering Ocean Engineering
Publisher	Professional Engineering Publishing Ltd.
Publication type	Journals
ISSN	14750902
Coverage	2004-ongoing
Scope	The Journal of Engineering for the Maritime Environment provides a forum for engineers from a variety of disciplines with a common interest in the design, production and operation of engineering artefacts for the maritime environment. The unique attributes of Journal of Engineering for the Maritime Environment are: •It straddles the traditional boundaries of naval architecture, marine engineering, offshore/ocean engineering, coastal engineering and port engineering. •Advances in new techniques involving cross-disciplinary issues are encouraged. •Focus is on the technology and underpinning sciences that enable better exploitation of the maritime environment. (source)