wood density， The World Data Service for Paleoclimatology manages the International Tree-Ring Data Bank (ITRDB)，000 sites on six continents. Reconstructed climate parameters are also available for some areas. Accessing Data at the World Data Service for Paleoclimatology Search Tree Ring Data Search through tree ring studies using Investigator， and site growth index chronologies from more than 5， proximity to a point， isotope measurements， the world's largest public archive of tree ring data. Oversight is provided by the ITRDB Advisory Committee. The ITRDB includes raw ring width， review our instructions for contributing data. Prospective data providers can email paleo@noaa.gov to submit data and study description information in decadal format. If the data files do not include header information， please also complete the metadata portion of our data contribution template (available at the link below) and email template along with the decadal format data files. Other Resources Additional sources for data and information on tree rings. ， Tree Species， Location Name， Title， or text-based attributes. Launch Interactive Map Google Earth Map Locate and download tree ring studies using a Google Earth map interface. Google Earth must be installed to use this search tool. Download .KMZ File NCEI Paleo Web Service Use the NCEI Paleo Web Service to access tree ring study metadata records. API Documentation Browse Tree Ring Datasets Contributing Data To contribute to the ITRDB，。
and Latitude/Longitude bounds. Launch Tree Ring Data Search Search All Paleoclimatology Data Access a free text search of our entire archive. Launch Paleo Data Search Interactive Map Select study locations by region。