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 ...

Part 3: Measuring Ring Width to Determine Climate Change in the Past part of TREX - Tree Ring Expeditions:TREX for Students:Labs
Now that we have explored several important research sites, let's take a look at some of the tree-ring data from those sites. In this activity, you will use a digital software program called ImageJ to measure ...

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 ...

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 ...

Part 3: Explore the Colorado River Basin part of TREX - Tree Ring Expeditions:TREX for Students:Labs
Note: This work is under development but has been released temporarily for classroom testing purposes. Look for the full series of TREX (Tree Ring Expeditions) labs in the fall of 2017. Have you been in a drought? ...

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 2: Explore the Colorado River Basin part of TREX - Tree Ring Expeditions:TREX for Students:Labs
Have you been in a drought? Are you living through one now? Most places in the United States experience drought occasionally. Sometimes, drought causes widespread interruptions of daily life. Other times, drought ...