Educator Guide: Lab 1 - Launching an Expedition 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 ...

Educator Guide: Lab 2 - Humpty Dumpty and Drought in the Hudson Valley, NY 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 ...

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 ...

Educator Guide: Lab 5 - Warming in the Boreal Forests 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 ...

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 6: Climate Extremes and Impacts on People part of TREX - Tree Ring Expeditions:TREX for Students:Labs
This lab is designed as a supplement to Lab 5. Download a Student Activity Worksheet. (Microsoft Word 2007 (.docx) 17kB May13 24) Introduction In the previous lab (Lab 5), we learned that paleoclimate records, ...

Part 3 - Understanding Long-term Streamflow Using Tree-Ring Science part of TREX - Tree Ring Expeditions:TREX for Students:Labs
Much of what we know about global and regional climate on long-term time scales comes from proxy data is a past climate record like tree rings and ice cores used to interpret paleoclimate. Recorded meteorological ...

Part 1: Exploring Tree-Ring Sites Around the World part of TREX - Tree Ring Expeditions:TREX for Students:Labs
Take a look at the sheer number of tree-ring chronologies (green triangles) that have been made publically available by the scientists who originally collected them. Tree-ring scientists contribute their data to ...

Part 2: Explore the Research Sites part of TREX - Tree Ring Expeditions:TREX for Students:Labs
In this section, you will investigate three tree-ring sites in the northern latitudes that are of great interest to tree-ring scientists: the Mendenhall Glacier in Alaska, Ondur Zuun Nuruu (OZN) in Northern ...

Lab 5 - Warming and the Boreal Forests part of TREX - Tree Ring Expeditions:TREX for Students:Labs
Download a Student Activity Worksheet here. (Microsoft Word 2007 (.docx) 76kB Mar14 19) Learning About the Present from the Past Paleo-climate records, such as those obtained from analyzing tree-ring data, provide ...