Journal of Geographical Systems

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
Earth-Surface Processes	1997	Q2
Earth-Surface Processes	1998	Q2
Earth-Surface Processes	1999	Q2
Earth-Surface Processes	2000	Q2
Earth-Surface Processes	2001	Q2
Earth-Surface Processes	2002	Q2
Earth-Surface Processes	2003	Q2
Earth-Surface Processes	2004	Q2
Earth-Surface Processes	2005	Q2
Earth-Surface Processes	2006	Q2
Earth-Surface Processes	2007	Q2
Earth-Surface Processes	2008	Q1
Earth-Surface Processes	2009	Q1
Earth-Surface Processes	2010	Q2
Earth-Surface Processes	2011	Q2
Earth-Surface Processes	2012	Q2
Earth-Surface Processes	2013	Q2
Earth-Surface Processes	2014	Q2
Earth-Surface Processes	2015	Q2
Earth-Surface Processes	2016	Q2
Geography, Planning and Development	1997	Q1
Geography, Planning and Development	1998	Q1
Geography, Planning and Development	1999	Q1
Geography, Planning and Development	2000	Q1
Geography, Planning and Development	2001	Q1
Geography, Planning and Development	2002	Q1
Geography, Planning and Development	2003	Q2
Geography, Planning and Development	2004	Q1
Geography, Planning and Development	2005	Q1
Geography, Planning and Development	2006	Q1
Geography, Planning and Development	2007	Q1
Geography, Planning and Development	2008	Q1
Geography, Planning and Development	2009	Q1
Geography, Planning and Development	2010	Q1
Geography, Planning and Development	2011	Q1
Geography, Planning and Development	2012	Q1
Geography, Planning and Development	2013	Q1
Geography, Planning and Development	2014	Q1
Geography, Planning and Development	2015	Q1
Geography, Planning and Development	2016	Q1

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	0.436
2000	0.544
2001	0.340
2002	0.525
2003	0.268
2004	0.387
2005	0.530
2006	0.574
2007	0.460
2008	1.020
2009	1.169
2010	0.715
2011	0.501
2012	0.783
2013	0.825
2014	0.649
2015	0.825
2016	0.785

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	1.038
Cites / Doc. (4 years)	2000	0.708
Cites / Doc. (4 years)	2001	0.500
Cites / Doc. (4 years)	2002	0.753
Cites / Doc. (4 years)	2003	0.727
Cites / Doc. (4 years)	2004	0.980
Cites / Doc. (4 years)	2005	1.000
Cites / Doc. (4 years)	2006	1.798
Cites / Doc. (4 years)	2007	1.697
Cites / Doc. (4 years)	2008	2.105
Cites / Doc. (4 years)	2009	2.238
Cites / Doc. (4 years)	2010	2.177
Cites / Doc. (4 years)	2011	1.654
Cites / Doc. (4 years)	2012	1.988
Cites / Doc. (4 years)	2013	1.916
Cites / Doc. (4 years)	2014	2.060
Cites / Doc. (4 years)	2015	2.148
Cites / Doc. (4 years)	2016	2.221
Cites / Doc. (3 years)	1999	1.038
Cites / Doc. (3 years)	2000	0.745
Cites / Doc. (3 years)	2001	0.433
Cites / Doc. (3 years)	2002	0.778
Cites / Doc. (3 years)	2003	0.700
Cites / Doc. (3 years)	2004	0.943
Cites / Doc. (3 years)	2005	1.028
Cites / Doc. (3 years)	2006	1.985
Cites / Doc. (3 years)	2007	1.191
Cites / Doc. (3 years)	2008	2.145
Cites / Doc. (3 years)	2009	2.017
Cites / Doc. (3 years)	2010	2.070
Cites / Doc. (3 years)	2011	1.483
Cites / Doc. (3 years)	2012	1.968
Cites / Doc. (3 years)	2013	1.694
Cites / Doc. (3 years)	2014	2.177
Cites / Doc. (3 years)	2015	2.098
Cites / Doc. (3 years)	2016	1.500
Cites / Doc. (2 years)	1999	0.861
Cites / Doc. (2 years)	2000	0.806
Cites / Doc. (2 years)	2001	0.500
Cites / Doc. (2 years)	2002	0.755
Cites / Doc. (2 years)	2003	0.388
Cites / Doc. (2 years)	2004	0.938
Cites / Doc. (2 years)	2005	0.867
Cites / Doc. (2 years)	2006	1.522
Cites / Doc. (2 years)	2007	1.114
Cites / Doc. (2 years)	2008	1.600
Cites / Doc. (2 years)	2009	1.639
Cites / Doc. (2 years)	2010	1.667
Cites / Doc. (2 years)	2011	1.381
Cites / Doc. (2 years)	2012	1.854
Cites / Doc. (2 years)	2013	1.634
Cites / Doc. (2 years)	2014	2.095
Cites / Doc. (2 years)	2015	1.425
Cites / Doc. (2 years)	2016	1.486

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	2
Self Cites	2000	4
Self Cites	2001	4
Self Cites	2002	4
Self Cites	2003	5
Self Cites	2004	3
Self Cites	2005	7
Self Cites	2006	3
Self Cites	2007	4
Self Cites	2008	4
Self Cites	2009	6
Self Cites	2010	9
Self Cites	2011	4
Self Cites	2012	12
Self Cites	2013	6
Self Cites	2014	2
Self Cites	2015	2
Self Cites	2016	7
Total Cites	1999	55
Total Cites	2000	41
Total Cites	2001	29
Total Cites	2002	56
Total Cites	2003	56
Total Cites	2004	66
Total Cites	2005	74
Total Cites	2006	133
Total Cites	2007	81
Total Cites	2008	133
Total Cites	2009	117
Total Cites	2010	118
Total Cites	2011	89
Total Cites	2012	122
Total Cites	2013	105
Total Cites	2014	135
Total Cites	2015	128
Total Cites	2016	84

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	1.000
External Cites per document	2000	0.673
External Cites per document	2001	0.373
External Cites per document	2002	0.722
External Cites per document	2003	0.638
External Cites per document	2004	0.900
External Cites per document	2005	0.931
External Cites per document	2006	1.940
External Cites per document	2007	1.132
External Cites per document	2008	2.081
External Cites per document	2009	1.914
External Cites per document	2010	1.912
External Cites per document	2011	1.417
External Cites per document	2012	1.774
External Cites per document	2013	1.597
External Cites per document	2014	2.145
External Cites per document	2015	2.066
External Cites per document	2016	1.375
Cites per document	1999	1.038
Cites per document	2000	0.745
Cites per document	2001	0.433
Cites per document	2002	0.778
Cites per document	2003	0.700
Cites per document	2004	0.943
Cites per document	2005	1.028
Cites per document	2006	1.985
Cites per document	2007	1.191
Cites per document	2008	2.145
Cites per document	2009	2.017
Cites per document	2010	2.070
Cites per document	2011	1.483
Cites per document	2012	1.968
Cites per document	2013	1.694
Cites per document	2014	2.177
Cites per document	2015	2.098
Cites per document	2016	1.500

% 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	5.26
2000	9.68
2001	9.09
2002	14.81
2003	9.52
2004	20.83
2005	9.09
2006	18.18
2007	21.05
2008	11.11
2009	21.74
2010	30.43
2011	40.00
2012	22.73
2013	13.64
2014	36.84
2015	37.50
2016	22.22

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
Non-citable documents	2006	0
Non-citable documents	2007	0
Non-citable documents	2008	1
Non-citable documents	2009	1
Non-citable documents	2010	3
Non-citable documents	2011	4
Non-citable documents	2012	4
Non-citable documents	2013	3
Non-citable documents	2014	2
Non-citable documents	2015	2
Non-citable documents	2016	1
Citable documents	1999	53
Citable documents	2000	55
Citable documents	2001	67
Citable documents	2002	72
Citable documents	2003	80
Citable documents	2004	70
Citable documents	2005	72
Citable documents	2006	67
Citable documents	2007	68
Citable documents	2008	62
Citable documents	2009	58
Citable documents	2010	57
Citable documents	2011	60
Citable documents	2012	62
Citable documents	2013	62
Citable documents	2014	62
Citable documents	2015	61
Citable documents	2016	56

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	31
Uncited documents	2001	48
Uncited documents	2002	37
Uncited documents	2003	44
Uncited documents	2004	38
Uncited documents	2005	39
Uncited documents	2006	22
Uncited documents	2007	33
Uncited documents	2008	23
Uncited documents	2009	19
Uncited documents	2010	20
Uncited documents	2011	27
Uncited documents	2012	13
Uncited documents	2013	19
Uncited documents	2014	17
Uncited documents	2015	23
Uncited documents	2016	20
Cited documents	1999	25
Cited documents	2000	24
Cited documents	2001	19
Cited documents	2002	35
Cited documents	2003	36
Cited documents	2004	32
Cited documents	2005	33
Cited documents	2006	45
Cited documents	2007	35
Cited documents	2008	40
Cited documents	2009	40
Cited documents	2010	40
Cited documents	2011	37
Cited documents	2012	53
Cited documents	2013	46
Cited documents	2014	47
Cited documents	2015	40
Cited documents	2016	37

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Country	Germany	44 H Index
Subject Area and Category	Earth and Planetary Sciences Earth-Surface Processes Social Sciences Geography, Planning and Development
Publisher	Springer Verlag
Publication type	Journals
ISSN	14355930, 14355949
Coverage	1999-ongoing
Scope	Journal of Geographical Systems, a journal dedicated to geographical information, analysis, theory, and decision, aims to encourage and promote high quality scholarship on important theoretical and practical issues in regional science, geography, the environmental sciences, and planning. One of the distinctive features of the journal is its concern for the interface between mathematical modelling, the geographical information sciences, and regional issues. An important goal of the journal is to encourage interdisciplinary communication and research, especially when spatial analysis, spatial theory and spatial decision systems are the themes. (source)