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

Contacts

Gregg Garfin
Climate Assessment for the Southwest
Institute for the Study of Planet Earth
715 N. Park Ave., 2nd Floor
Tucson, AZ 85721-0156
Email: gmgarfin@email.arizona.edu
Phone: (520) 622-9016

Malcolm K. Hughes
The Laboratory of Tree-Ring Research
The University of Arizona
195 W. Stadium, BLDG 58
Tucson, AZ 85721
Email: mhughes@ltrr.arizona.edu
Phone: (520) 621-6470
Fax: (520) 621-8229

Fenbiao Ni
The Laboratory of Tree-Ring Research
The University of Arizona
195 W. Stadium, BLDG 58
Tucson, AZ 85721
Email: fenbiao@ltrr.arizona.edu
Phone: (520) 621-9731