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

Related Links

The Laboratory of Tree-Ring Research, The University of Arizona
http://www.ltrr.arizona.edu/dendrochronology.html

NGDC-NOAA Paleoclimatology Program
http://www.ngdc.noaa.gov/paleo/paleo.html

Recent Drought Assessment of Northern Arizona, Kurt Kipfmueller
http://www.ltrr.arizona.edu/%7Ekurt/sw_drought/index.html