In this Section:

	Background
	Project Overview
	Research Methods
	Project Status
	Reconstruction Data
	References
	Related Links
	Contacts

Annual growth rings in trees have been used to reconstruct Southwest climate back to AD 1000.

Research and Products:
Reconstructing Past Climate in the Southwest

References

Grissino-Mayer, H.D. 1996. A 2129-year reconstruction of precipitation for northwestern New Mexico, USA. In: J.S. Dean, D.M. Meko, and T.W. Swetnam, eds., Tree Rings, Environment, and Humanity. Radiocarbon, 1996: 191-204.

Ni, F., T. Cavazos, M. K. Hughes, A. C. Comrie, and G. Funkhouser. 2002. Cool-season precipitation in the Southwestern USA since AD 1000: Comparison of linear and nonlinear techniques for reconstruction. International Journal of Climatology, 22: 1645-1662.

Cool-season precipitation reconstruction data from this project are available for download from the NOAA Paleoclimatology Branch:
http://www.ncdc.noaa.gov/paleo/pubs/ni2002/ni2002.html

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