Scimago Journal & Country Rank

Tree-Ring Research

Country United States  - SIR icon
23
H Index
Subject Area and CategoryAgricultural and Biological Sciences
Forestry

Earth and Planetary Sciences
Atmospheric Science
Geology
Paleontology
Publisher Tree Ring Society
Publication typeJournals
ISSN15361098
Coverage2005-2020
Scope Tree-Ring Research (TRR) is devoted to papers dealing with the growth rings of trees and the applications of tree-ring research in a wide variety of fields, including but not limited to archaeology, geology, ecology, hydrology, climatology, forestry, and botany. Papers involving research results, new techniques of data acquisition or analysis, and regional or subject-oriented reviews or syntheses are considered for publication. Scientific papers usually fall into two main categories. Articles should not exceed 5000 words, or approximately 20 double-spaced typewritten pages, including tables, references, and an abstract of 200 words or fewer. All manuscripts submitted as Articles are reviewed by at least two referees. Research Reports, which are usually reviewed by at least one outside referee, should not exceed 1500 words or include more than two figures. Research Reports address technical developments, describe well-documented but preliminary research results, or present findings for which the Article format is not appropriate. Book or monograph Reviews of 500 words or less are also considered. Other categories of papers are occasionally published. All papers are published only in English. Abstracts of the Articles or Reports may be printed in other languages if supplied by the author(s) with English translations.

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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.

CategoryYearQuartile
Atmospheric Science2006Q3
Atmospheric Science2007Q3
Atmospheric Science2008Q3
Atmospheric Science2009Q3
Atmospheric Science2010Q3
Atmospheric Science2011Q3
Atmospheric Science2012Q2
Atmospheric Science2013Q3
Atmospheric Science2014Q2
Atmospheric Science2015Q2
Atmospheric Science2016Q2
Atmospheric Science2017Q3
Atmospheric Science2018Q3
Atmospheric Science2019Q3
Forestry2006Q3
Forestry2007Q3
Forestry2008Q2
Forestry2009Q2
Forestry2010Q2
Forestry2011Q2
Forestry2012Q1
Forestry2013Q1
Forestry2014Q1
Forestry2015Q1
Forestry2016Q1
Forestry2017Q2
Forestry2018Q2
Forestry2019Q2
Geology2006Q3
Geology2007Q3
Geology2008Q3
Geology2009Q2
Geology2010Q2
Geology2011Q2
Geology2012Q2
Geology2013Q2
Geology2014Q2
Geology2015Q1
Geology2016Q2
Geology2017Q2
Geology2018Q2
Geology2019Q3
Paleontology2006Q4
Paleontology2007Q4
Paleontology2008Q3
Paleontology2009Q2
Paleontology2010Q3
Paleontology2011Q2
Paleontology2012Q2
Paleontology2013Q2
Paleontology2014Q1
Paleontology2015Q1
Paleontology2016Q1
Paleontology2017Q2
Paleontology2018Q2
Paleontology2019Q3
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.

YearSJR
20060.219
20070.218
20080.299
20090.476
20100.427
20110.528
20120.624
20130.708
20140.747
20150.993
20160.883
20170.522
20180.469
20190.420
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)20050.000
Cites / Doc. (4 years)20060.250
Cites / Doc. (4 years)20070.750
Cites / Doc. (4 years)20080.500
Cites / Doc. (4 years)20091.050
Cites / Doc. (4 years)20100.957
Cites / Doc. (4 years)20111.255
Cites / Doc. (4 years)20121.226
Cites / Doc. (4 years)20131.558
Cites / Doc. (4 years)20141.652
Cites / Doc. (4 years)20152.265
Cites / Doc. (4 years)20161.936
Cites / Doc. (4 years)20172.370
Cites / Doc. (4 years)20181.712
Cites / Doc. (4 years)20191.241
Cites / Doc. (3 years)20050.000
Cites / Doc. (3 years)20060.250
Cites / Doc. (3 years)20070.750
Cites / Doc. (3 years)20080.500
Cites / Doc. (3 years)20090.844
Cites / Doc. (3 years)20100.974
Cites / Doc. (3 years)20111.000
Cites / Doc. (3 years)20121.195
Cites / Doc. (3 years)20131.676
Cites / Doc. (3 years)20141.706
Cites / Doc. (3 years)20152.229
Cites / Doc. (3 years)20162.306
Cites / Doc. (3 years)20171.811
Cites / Doc. (3 years)20181.459
Cites / Doc. (3 years)20191.381
Cites / Doc. (2 years)20050.000
Cites / Doc. (2 years)20060.250
Cites / Doc. (2 years)20070.750
Cites / Doc. (2 years)20080.250
Cites / Doc. (2 years)20091.000
Cites / Doc. (2 years)20100.778
Cites / Doc. (2 years)20111.111
Cites / Doc. (2 years)20121.000
Cites / Doc. (2 years)20131.360
Cites / Doc. (2 years)20141.300
Cites / Doc. (2 years)20152.542
Cites / Doc. (2 years)20161.741
Cites / Doc. (2 years)20171.182
Cites / Doc. (2 years)20181.240
Cites / Doc. (2 years)20191.500
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.

CitesYearValue
Self Cites20050
Self Cites20060
Self Cites20073
Self Cites20083
Self Cites20093
Self Cites20104
Self Cites20115
Self Cites201215
Self Cites20136
Self Cites20143
Self Cites20153
Self Cites20165
Self Cites20171
Self Cites20182
Self Cites20190
Total Cites20050
Total Cites20062
Total Cites200712
Total Cites200814
Total Cites200927
Total Cites201038
Total Cites201139
Total Cites201249
Total Cites201362
Total Cites201458
Total Cites201578
Total Cites201683
Total Cites201767
Total Cites201854
Total Cites201958
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.

CitesYearValue
External Cites per document20050
External Cites per document20060.250
External Cites per document20070.563
External Cites per document20080.393
External Cites per document20090.750
External Cites per document20100.872
External Cites per document20110.872
External Cites per document20120.829
External Cites per document20131.514
External Cites per document20141.618
External Cites per document20152.143
External Cites per document20162.167
External Cites per document20171.784
External Cites per document20181.405
External Cites per document20191.381
Cites per document20050.000
Cites per document20060.250
Cites per document20070.750
Cites per document20080.500
Cites per document20090.844
Cites per document20100.974
Cites per document20111.000
Cites per document20121.195
Cites per document20131.676
Cites per document20141.706
Cites per document20152.229
Cites per document20162.306
Cites per document20171.811
Cites per document20181.459
Cites per document20191.381
% 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
200525.00
20060.00
200733.33
200833.33
20090.00
201023.08
201121.43
201227.27
201340.00
201418.75
201541.67
201630.00
201726.67
201858.82
201928.57
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.

DocumentsYearValue
Non-citable documents20050
Non-citable documents20060
Non-citable documents20070
Non-citable documents20080
Non-citable documents20090
Non-citable documents20101
Non-citable documents20112
Non-citable documents20122
Non-citable documents20131
Non-citable documents20141
Non-citable documents20152
Non-citable documents20162
Non-citable documents20171
Non-citable documents20180
Non-citable documents20190
Citable documents20050
Citable documents20068
Citable documents200716
Citable documents200828
Citable documents200932
Citable documents201039
Citable documents201139
Citable documents201241
Citable documents201337
Citable documents201434
Citable documents201535
Citable documents201636
Citable documents201737
Citable documents201837
Citable documents201942
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.

DocumentsYearValue
Uncited documents20050
Uncited documents20066
Uncited documents20079
Uncited documents200820
Uncited documents200915
Uncited documents201021
Uncited documents201124
Uncited documents201219
Uncited documents201313
Uncited documents201413
Uncited documents201518
Uncited documents201617
Uncited documents201715
Uncited documents201814
Uncited documents201918
Cited documents20050
Cited documents20062
Cited documents20077
Cited documents20088
Cited documents200917
Cited documents201019
Cited documents201117
Cited documents201224
Cited documents201325
Cited documents201422
Cited documents201519
Cited documents201621
Cited documents201723
Cited documents201823
Cited documents201924
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