Found 20 - 30 results of 104 programs matching keyword " climate history"
Join panelists Richard Glenn, Jim Leavitt, and others to discuss the impact of climate change on Arctic Ecosystems and Populations We tour the NOAA Atmospheric Research Observatory at the South Pole where scientists are monitoring carbon dioxide levels, CFCs, solar radiation, and the ozone hole. In this webcast from Antarctica, we meet up with Ted Scambos, a glaciologist from the University of Colorado and the National Snow and Ice Data Center. Dr. Marvin Speece, professor of geophysical engineering at Montana Tech and co-Principal Investigator of the Offshore New Harbor Project, discusses how their expedition collects scientific data. From a small rubber boat on a Greenlandic lake, climate researcher Billy D'Andrea introduces some of the equipment scientists use in limnological sampling. (Limnology is the study of freshwater systems, like lakes.) Working in the snow all day takes a certain type of skill set: digging skills, drilling skills, and snowmobile driving skills. It also helps to love what you do. Climate researcher Billy D'Andrea and colleagues explore the remote "back lakes" of Greenland. To understand how Earth’s climate system has changed over time, scientists need to find, develop and use natural recorders of temperature and precipitation. One natural thermometer comes in the form of alkenones: trans-fats produced by certain algae. Alaska's coastal range is covered in literally thousands of thaw lakes. Ken Hinkel, Yongwei Sheng and John Lenters are embarking on a project to reveal the subtle energy dynamics that take place within these lake systems.