Scimago Journal & Country Rank

Permafrost and Periglacial Processes

Country United States  - SIR icon SIR Ranking of United States
H Index
Subject Area and CategoryEarth and Planetary Sciences
Earth-Surface Processes
PublisherJohn Wiley & Sons Inc.
Publication typeJournals
ISSN10991530, 10456740
Scope Permafrost and Periglacial Processes is an international journal dedicated to the rapid publication of scientific and technical papers concerned with earth surface cryogenic processes, landforms and sediments present in a variety of (Sub) Arctic, Antarctic and High Mountain environments. It provides an efficient vehicle of communication amongst those with an interest in the cold, non-glacial geosciences. The focus is on (1) original research based on geomorphological, hydrological, sedimentological, geotechnical and engineering aspects of these areas and (2) original research carried out upon relict features where the objective has been to reconstruct the nature of the processes and/or palaeoenvironments which gave rise to these features.


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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.

Earth-Surface Processes1999Q1
Earth-Surface Processes2000Q1
Earth-Surface Processes2001Q1
Earth-Surface Processes2002Q1
Earth-Surface Processes2003Q1
Earth-Surface Processes2004Q1
Earth-Surface Processes2005Q1
Earth-Surface Processes2006Q1
Earth-Surface Processes2007Q1
Earth-Surface Processes2008Q1
Earth-Surface Processes2009Q1
Earth-Surface Processes2010Q1
Earth-Surface Processes2011Q1
Earth-Surface Processes2012Q1
Earth-Surface Processes2013Q1
Earth-Surface Processes2014Q1
Earth-Surface Processes2015Q1
Earth-Surface Processes2016Q1
Earth-Surface Processes2017Q1
Earth-Surface Processes2018Q1

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)19991.093
Cites / Doc. (4 years)20001.474
Cites / Doc. (4 years)20011.386
Cites / Doc. (4 years)20021.556
Cites / Doc. (4 years)20031.714
Cites / Doc. (4 years)20041.581
Cites / Doc. (4 years)20051.829
Cites / Doc. (4 years)20061.602
Cites / Doc. (4 years)20071.969
Cites / Doc. (4 years)20082.574
Cites / Doc. (4 years)20092.470
Cites / Doc. (4 years)20102.303
Cites / Doc. (4 years)20113.833
Cites / Doc. (4 years)20124.140
Cites / Doc. (4 years)20134.448
Cites / Doc. (4 years)20143.517
Cites / Doc. (4 years)20152.633
Cites / Doc. (4 years)20163.204
Cites / Doc. (4 years)20173.664
Cites / Doc. (4 years)20183.034
Cites / Doc. (3 years)19991.093
Cites / Doc. (3 years)20001.471
Cites / Doc. (3 years)20011.224
Cites / Doc. (3 years)20021.494
Cites / Doc. (3 years)20031.798
Cites / Doc. (3 years)20041.526
Cites / Doc. (3 years)20051.577
Cites / Doc. (3 years)20061.612
Cites / Doc. (3 years)20071.882
Cites / Doc. (3 years)20082.433
Cites / Doc. (3 years)20092.337
Cites / Doc. (3 years)20102.281
Cites / Doc. (3 years)20113.835
Cites / Doc. (3 years)20123.745
Cites / Doc. (3 years)20134.380
Cites / Doc. (3 years)20142.528
Cites / Doc. (3 years)20152.644
Cites / Doc. (3 years)20163.329
Cites / Doc. (3 years)20173.317
Cites / Doc. (3 years)20183.162
Cites / Doc. (2 years)19991.228
Cites / Doc. (2 years)20001.086
Cites / Doc. (2 years)20011.175
Cites / Doc. (2 years)20021.593
Cites / Doc. (2 years)20031.548
Cites / Doc. (2 years)20041.138
Cites / Doc. (2 years)20051.478
Cites / Doc. (2 years)20061.302
Cites / Doc. (2 years)20071.459
Cites / Doc. (2 years)20082.373
Cites / Doc. (2 years)20092.339
Cites / Doc. (2 years)20102.000
Cites / Doc. (2 years)20113.375
Cites / Doc. (2 years)20123.852
Cites / Doc. (2 years)20132.492
Cites / Doc. (2 years)20142.407
Cites / Doc. (2 years)20152.475
Cites / Doc. (2 years)20162.759
Cites / Doc. (2 years)20173.647
Cites / Doc. (2 years)20183.053
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 Cites199925
Self Cites200031
Self Cites200137
Self Cites200226
Self Cites200332
Self Cites200444
Self Cites200526
Self Cites200640
Self Cites200743
Self Cites200866
Self Cites200923
Self Cites201046
Self Cites201144
Self Cites201229
Self Cites201366
Self Cites201426
Self Cites201519
Self Cites201634
Self Cites201744
Self Cites201825
Total Cites199994
Total Cites2000128
Total Cites2001104
Total Cites2002133
Total Cites2003160
Total Cites2004148
Total Cites2005153
Total Cites2006158
Total Cites2007175
Total Cites2008219
Total Cites2009201
Total Cites2010203
Total Cites2011349
Total Cites2012352
Total Cites2013403
Total Cites2014225
Total Cites2015238
Total Cites2016273
Total Cites2017272
Total Cites2018370
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 document19990.802
External Cites per document20001.115
External Cites per document20010.788
External Cites per document20021.202
External Cites per document20031.438
External Cites per document20041.072
External Cites per document20051.309
External Cites per document20061.204
External Cites per document20071.419
External Cites per document20081.700
External Cites per document20092.070
External Cites per document20101.764
External Cites per document20113.352
External Cites per document20123.436
External Cites per document20133.663
External Cites per document20142.236
External Cites per document20152.433
External Cites per document20162.915
External Cites per document20172.780
External Cites per document20182.949
Cites per document19991.093
Cites per document20001.471
Cites per document20011.224
Cites per document20021.494
Cites per document20031.798
Cites per document20041.526
Cites per document20051.577
Cites per document20061.612
Cites per document20071.882
Cites per document20082.433
Cites per document20092.337
Cites per document20102.281
Cites per document20113.835
Cites per document20123.745
Cites per document20134.380
Cites per document20142.528
Cites per document20152.644
Cites per document20163.329
Cites per document20173.317
Cites per document20183.162
% 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 documents19990
Non-citable documents20000
Non-citable documents20010
Non-citable documents20020
Non-citable documents20030
Non-citable documents20040
Non-citable documents20050
Non-citable documents20062
Non-citable documents20074
Non-citable documents20086
Non-citable documents20095
Non-citable documents20105
Non-citable documents20115
Non-citable documents20126
Non-citable documents20135
Non-citable documents20147
Non-citable documents20155
Non-citable documents20164
Non-citable documents20172
Non-citable documents20184
Citable documents199986
Citable documents200087
Citable documents200185
Citable documents200289
Citable documents200389
Citable documents200497
Citable documents200597
Citable documents200698
Citable documents200793
Citable documents200890
Citable documents200986
Citable documents201089
Citable documents201191
Citable documents201294
Citable documents201392
Citable documents201489
Citable documents201590
Citable documents201682
Citable documents201782
Citable documents2018117
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 documents199941
Uncited documents200035
Uncited documents200135
Uncited documents200235
Uncited documents200332
Uncited documents200439
Uncited documents200533
Uncited documents200629
Uncited documents200734
Uncited documents200826
Uncited documents200924
Uncited documents201030
Uncited documents201121
Uncited documents201222
Uncited documents201320
Uncited documents201420
Uncited documents201525
Uncited documents201613
Uncited documents201711
Uncited documents201826
Cited documents199945
Cited documents200052
Cited documents200150
Cited documents200254
Cited documents200357
Cited documents200458
Cited documents200564
Cited documents200671
Cited documents200763
Cited documents200870
Cited documents200967
Cited documents201064
Cited documents201175
Cited documents201278
Cited documents201377
Cited documents201476
Cited documents201570
Cited documents201673
Cited documents201773
Cited documents201895
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