Why study tree rings? part of TREX - Tree Ring Expeditions:TREX for Students
It certainly isn't obvious why looking at a cross section of a tree after it has been cut down might be useful to observe and analyze its pattern of tree rings. And yet scientists have discovered that the ...

Educator Guide: Lab 3 - Tree Rings and the Ancestral People of Pueblo Bonito: Uncovering the Past part of TREX - Tree Ring Expeditions:TREX Guides
View the Student Lab » NOTE: To get access to the Answer Keys for the TREX labs, you will need to 'Request Instructor Access' using the the tab in the navigation menu on the left side ...

Lab 3 - Tree Rings and the Ancestral People of Pueblo Bonito: Uncovering the Past part of TREX - Tree Ring Expeditions:TREX for Students:Labs
Download a Student Activity Worksheet here. (Microsoft Word 2007 (.docx) 64kB Mar14 19) Introduction In this tree-ring science expedition you will learn how tree rings are used to date archaeological sites. You ...

Tree Rings: Counting the Years of Global Warming part of CLEAN Collection

This video describes the role that dendrochronology plays in understanding climate change, especially changes to high elevation environments at an upper tree line. Dendrochronologists from the Big ...

How to reconstruct past debris flows using tree rings part of Vignettes:Vignette Collection
1. What is a debris flow and what are the associated problems? Debris flows are a type of mass movement involving rapid transport of water and saturated material (sand, mud, blocks, organic matter, ...) down steep, ...

Educator Guide Lab 4: Sharing a River: The Colorado River Story part of TREX - Tree Ring Expeditions:TREX Guides
View the Student Lab » NOTE: To get access to the Answer Keys for the TREX labs, you will need to 'Request Instructor Access' using the the tab in the navigation menu on the left side of this page. This ...

Part 3: Measuring and Graphing Tree-Ring Width at Chaco Canyon, NM. part of TREX - Tree Ring Expeditions:TREX for Students:Labs
In addition to calendar dating ancient archeological sites, and more recent antiques and musical instruments like violins, tree rings capture a wealth of information regarding past temperature and precipitation in ...

Part 3 - Gathering Historical Drought Data part of TREX - Tree Ring Expeditions:TREX for Students:Labs
Download a Student Activity Worksheet here. (Microsoft Word 2007 (.docx) 24kB Feb24 22) Although it may seem a simple matter to measure and analyze tree rings, there are several natural conditions and factors that ...

Back to the Future: Climate Edition part of CLEAN Collection

This activity engages students through an exploration using real data of paleoclimate proxies, such as ice cores, tree rings, and sedimentary analysis that provide evidence for past climates.

The TREX Team part of TREX - Tree Ring Expeditions
Project Investigators: Dr. Nicole Davi, Principal Investigator Dr. Nicole Davi is Principle Investigator for this NSF-funded project entitled "Using Tree Rings to Develop Critical Scientific and Mathematical ...