Tree-Ring Lab
Lamont-Doherty Earth Observatory |
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Software
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: All the 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 claim, for or against, results from experiments you perform with them. At the same time, we will not be responsible for training or support of these programs. We suggest using the International Tree-Ring Data Base Forum (ITRDBFOR) for questions and answers regarding these programs.
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Name
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Function
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Operating System
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Last Update
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Chronology development, plotting and analysis
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4/11/2008
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Filter*
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Analyze frequency and impulse response functions |
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7/2007
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Dating and Measurement Quality Control
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11/2007
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Time Series Correlations
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2/2006
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Principle Components Analysis (PCA)
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3/2006
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Date floating series
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6/2004
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Reformat chronology files to space delimited column files.
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2/2007
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Reformat ring-width decade files to space delimited files
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1/2006
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Reports the content of increment and chronology files
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4/10/2008
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Edit raw ring-width files
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6/2004
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Plot and edit tree-ring data
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10/2005
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Seasonalize monthly data
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11/2005
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Seasonalize and average monthly climate data
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3/2006
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Dendrochronology Program Library
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12/2006
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DataServer-GHCN met. Station data.
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3/2006
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DataServer-Global SST anomalies
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1/23/2008
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NADP_2007 US Precipitation Chemistry Data
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4/07/2008
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DataServer VIC Soil Moisture Layers:1915-2003
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3/04/2008
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DataServer-NOAA-NCDC Global SST anomalies.
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1/25/2008
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DataServer-NOAA-NCDC Global SST anomalies.
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7/2007
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DataServer-CRUTS2.1 and 1.2 gridded data sets
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11/2007
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CRUmet
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Data Server CRU 10min. Global Mean Monthly Met. |
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10/2006
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DataServer-Global 1x1 degree SST only.
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1/14/2008
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DataServer-Combined land and sea temperature, 5x5 degree
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10/2006
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DataServer-Global PDSI gridded data set (2003)
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9/2006
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DataServer-Global PDSI gridded data set (2005)
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1/8/2008
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CommInt
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Compute Common Period |
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2/2006
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BiaPLT*
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Compute and plot BAI and BA from increment data files |
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6/2007
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MilesBeyond
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Reformat Oxford Lab RRW |
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3/2006
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Gratzer
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Reformat Tsap (RinnTech) measurement files |
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8/2007
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pjk10
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Tree-Ring Measuring Program for Macintosh only. |
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1/26/2008
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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 "Absoft" 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 level 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: 4/10/2008 -pjk
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Route 9W, Palisades, New York 10964 Voice: (845) 365-8517 Fax: (845) 365-8152
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