Seminars
Measuring and interpreting faunal responses to climate in the Intermountain West
March 24, 2017 11:15 am
ATS 101
Presented by: Erica Fleishman
Hosted by: Sonia Kreidenweis
CSU Professor, Department of Fish, Wildlife and Conservation Biology
There is considerable research and management interest in whether and how native faunas are responding to climate change. Evaluating whether empirical data support range-shift hypotheses is complicated by variation in climate, differences in response variables and the extent and resolution of analyses, and mismatches between the resolutions at which climate data typically are available and… Read more »
Remote Sensing of the Atmosphere from the Troposphere to the Edge of Space
March 9, 2017 2:45 pm
ATS 101
Presented by: Katrina Bossert
Hosted by: Christian Kummerow
GATS, Inc. Boulder
Lidar remote sensing enables observations of various atmospheric properties and dynamics from the troposphere to the region of the atmosphere considered the edge of space near ~80-100 km. For some aspects of the atmosphere, studying coupling between different altitudes and regions is important for a more in depth understanding. Gravity waves are one aspect integral… Read more »
Energetic Constraints on Global Climate
March 6, 2017 2:45 pm
ATS 101
Presented by: Aaron Donohoe
Hosted by: Christian Kummerow
University of Washington
Spatial variations in the solar heating of the climate system drive the atmospheric and oceanic circulation and set patterns of temperature and precipitation. This presentation explores the processes that determine the absorption of solar radiation in the climate system including latitudinal, vertical and seasonal distributions. It is shown that atmospheric circulations and temperature adjust to… Read more »
Using Remote Sensing Observations to Advance Understanding of Cloud-aerosol-precipitation-radiation Interactions
March 2, 2017 2:45 pm
ATS 101
Presented by: Christine Chiu
Hosted by: Christian Kummerow
University of Reading
Currently, the scientific community is unable to identify how characteristics of clouds will alter as the climate warms in response to emissions of greenhouse gases from human activities, and to what extent changes in cloud characteristics will feed back on surface temperature responses. In particular, models disagree substantially in the magnitude of cloud feedback for… Read more »
Mean Precipitation Change from Invariant Radiative Cooling
February 23, 2017 3:30 pm
ATS 101
Presented by: Nadir Jeevanjee
Hosted by: Christian Kummerow
Princeton/Geophysical Fluid Dynamics Laboratory
Global warming simulations robustly show that mean precipitation increases at 1-3% per Kelvin, but we do not know what sets these values. Mean precipitation is constrained by radiative cooling, however, and we demonstrate here that radiative cooling profiles exhibit a certain invariance under warming when plotted in temperature coordinates. This invariance can then be leveraged… Read more »
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