미국
NOAA/WDS Paleoclimatology - Northern Hemisphere 1,500 Year Regional MXD and TRW Tree-Ring Chronologies
This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI study type is Climate Reconstruction. The data include parameters of tree ring with a geographic location of Northern Hemisphere. The time period coverage is from 1450 to -62 in calendar years before present (BP). See metadata information for parameter and study location details. Please cite this study when using the data.