TRL scientists strongly support the sharing of specialized software for the growth and benefit of the tree-ring community. It has been our experience that the best advances made in the discipline have come from the free exchange of ideas and knowledge which are often incorporated in the programs we routinely use .
Dendrochronology is a computationally intensive discipline. As more difficult questions are asked of our data the need for more specialized software becomes apparent. The programs offered here are continually updated or revised reflecting our commitment to advancing tree-ring research.
Disclaimer: Nearly all programs provided here are the intellectual property of the Tree-Ring Lab (TRL) and Columbia University. You are welcome to use them and give them to others. The TRL and Columbia University are not responsible for what you do with these programs and will not make any claim for or against results from experiments you perform with them. At the same time we are not responsible for the training or support of these programs. We suggest using the International Tree-Ring Data Base Forum ( ITRDBFOR ) for all questions.
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Name |
Function |
Operating System |
Last Update |
|---|---|---|---|
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ARSTAN* |
Chronology development, plotting and analysis |
3/17/2014 |
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RCSigFree*
|
Signal Free standardization with Regional Curve deternding option |
3/17/2014
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CRUST
|
UEA-CRU Signal Free Standardization Program |
9/15/2013
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Cofecha |
Dating and Measurement Quality Control |
5/21/2013 |
|
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PcReg |
Principal components Regression Program |
5/21/2013 |
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MtM* |
Mike Mann's spectral analysis signal reconstruction prgm. |
2/06/2014 |
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Xdate |
Date floating series |
5/21/2013 |
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Ind2Col |
Reformat chronology files to space delimited column files. |
9/15/2013 |
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|
Column |
Reformat ring-width decade files to space delimited files |
9/15/2013 |
|
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MakeRec |
Reports content of increment and chronology files |
9/15/2013 |
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Edrm |
Edit raw ring-width files |
5/21/2013 |
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YoVinnie * |
Plot and edit tree-ring data |
5/21/2013 |
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Climask |
Seasonalize monthly data |
9/15/2013 |
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ClimateX |
Seasonalize and average monthly climate data |
9/15/2013 |
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DPL |
Dendrochronology Program Library |
5/21/2013 |
|
| PlotsTRW using GMT |
5/21/2013 |
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CRUts3.0server |
DataServer-CRU TS3.0 gridded data sets |
9/15/2013 |
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KNMI_CE_Format |
Reformats RAW, CRN, and column files for upload to CE |
9/15/2013 |
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pjk |
Tree-Ring Measuring Program for Macintosh |
5/21/2013 |
|
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BIAplt* |
Compute and display BAI transformations from ring-width increment files |
11/01/13 |
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MtMcohere |
Mike Mann's Spectral Coherence of 2 series prgm. |
2/06/2014 |
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Col2Dec |
Convert column files to decade format files |
3/24/2014 |
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ComBine |
Concatonate a list of increment files into 1 large file |
3/24/2014 |
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Spotty* |
Age band RCS analysis program |
04/01/2014 |
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Programs identified by a * use graphics routines that require a directory containing special font files. To install the font files on Macintosh machines download the folder " Absof t" and place it, with all its' contents, in your computers Applications folder. For WindowsXP users, download the folder " Absoft80 " and place it, with all its contents, in the top leve l of your computers C: drive . Do not let Windows put it elsewhere! These font file folders are also included within the ARSTAN distribution packages. Therefore, if you have already installed ARSTAN correctly you do not need to install theAbsoft or Absoft80 font file folders.
Last modified: 04/01/2014 -pjk