TREX Glossary part of TREX - Tree Ring Expeditions:TREX Guides
acre-feet is a unit of volume equal to the volume of a sheet of water one acre in area and one foot in depth; 43,560 cubic feet of water age trend a pattern of differing tree ring widths that result from early ...

Launching an Expedition part of TREX - Tree Ring Expeditions:TREX for Students
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. Before we get started... ...

Sea Level Change During the Last 5 Million Years part of Coastal Processes, Hazards and Society:Student Materials
Exploring the Pliocene-Pleistocene Interval In order to answer this question, let's explore sea level curves for the past five million years (our best and most complete interval of well-calibrated geologic ...

Climate Detectives: Unit Overview part of EarthLabs:Climate Detectives
Educator Pages » Why study Earth's climate history? Earth's climate has changed, sometimes dramatically, in the past. If you had lived on the island of Manhattan about 20,000 years ago, you would have ...

Humans and Sea Level Change Over the Last 11,000 Years part of Coastal Processes, Hazards and Society:Student Materials
What about the most recent period of sea level change (i.e., during the Holocene) since humans have been involved? Once again, given the Hansen data (Figure 4.24), the time period for most significant human impact ...

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? ...

Oceans and Atmosphere Example part of CLEAN Collection

This unit allows students to investigate past changes in Earth's climate. Students first explore relationships in climate data such as temperature, solar radiation, carbon dioxide, and ...

Coring Is Not Boring! part of EarthLabs:Climate Detectives
Introduction Sediments can reveal the secrets of Earth's past climate history—what it was like on land and in the sea thousands and even millions of years ago. Over geologic time, the sinking and settling ...

Meet the Challenge (Optional final assessments) part of TREX - Tree Ring Expeditions:TREX for Students:Labs
In this lab on drought in the Hudson Valley, you have started to learn how scientists work. You explored the Humpty Dumpty talus slope site with Google Maps and learned about the importance of picking study sites ...

Lab 2 - Humpty Dumpty and Drought in the Hudson Valley, NY part of TREX - Tree Ring Expeditions:TREX for Students:Labs
Download a Student Activity Worksheet here. (Microsoft Word 2007 (.docx) 24kB Feb24 22) Introduction This tree-ring science expedition takes you to a fascinating landscape in New York State. The Shawangunk Ridge, ...