Southwestern USA Drought Index Reconstruction, 1200-1978 AD
Entry ID: NOAA_NCDC_PALEO_2000-053

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Summary
Abstract: Tree Ring reconstruction of Southwestern USA drought scores, based on optimal
interpolation.

The reconstruction uses factor scores from a Principal Components Analysis
(PCA) of time t and selected t-1 and t+1 lags of 14 tree-ring chronologies
from northern Mexico (Durango and Chihuahua) and the southwestern U.S.A.
(Arizona, Utah and New Mexico) plus the first two factor scores from a network
of 9 chronologies in OK and TX as independent variables. All chronologies
were compiled from indices of tree growth (earlywood or total ring width)
detrended to remove biological trends (Cook 1985). Values are factor scores
from a rotated EOF analysis, expressed as standard deviations from the mean.
This data set was updated to include the Mean Palmer Drought Severity Index.
Related URL
Description: International Tree Ring Data Bank
Geographic Coverage
Spatial coordinates   
  N: 45.0   S: 32.0   E: -105.0   W: -130.0

Data Set Citation
Dataset Originator/Creator: E.R. Cook
Dataset Title: Southwestern USA Drought Index Reconstruction
Dataset Series Name: IGBP PAGES/WDCA CONTRIBUTION SERIES NUMBER: 2000-053
Dataset Release Date: 2000
Dataset Release Place: Boulder, CO
Dataset Publisher: IGBP PAGES/World Data Center for Paleoclimatology
Version: March 2003
Issue Identification: 2000-053
Other Citation Details: NOAA/NCDC Paleoclimatology Program, International Tree-Ring Data Bank
Temporal Coverage
Start Date: 1200-01-01
Stop Date: 1978-12-31
Paleo Temporal Coverage
Paleo Start Date: 800 ybp
Paleo Stop Date: 0 ybp
Chrono Unit:
Data Set Progress
COMPLETE
Originating Center
Data Center
World Data Center for Paleoclimatology, Boulder Supplemental Info
Data Center URL: http://www.ncdc.noaa.gov/paleo/

Data Center Personnel
Name: WDC/PALEOCLIMATOLOGY, BOULDER
Phone: +1 (303) 497-6160
Fax: +1 (303) 497-6513
Email: paleo at noaa.gov
Contact Address:
World Data Center for Paleoclimatology
NOAA/NCDC Code E/GCx3
325 Broadway
City: Boulder
Province or State: CO
Postal Code: 80303
Country: USA
Distribution
Distribution Media: online ftp, www
Distribution Format: ascii
Fees: none
Personnel
Role: INVESTIGATOR
Email: drdendro at ldeo.columbia.edu
Contact Address:
Tree-Ring Laboratory
Lamont-Doherty Geological Observatory
City: Palisades
Province or State: NY
Postal Code: 10964
Country: USA
Publications/References
Cook, E.R. 2000. USA Drought Index Reconstruction. Unpublished data.
Creation and Review Dates
DIF Creation Date: 2004-03-17
Last DIF Revision Date: 2005-06-15
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