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218 items found, displaying 121 to 140.[First/Prev] 3, 4, 5, 6, 7, 8, 9, 10 [Next/Last]
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William Collins (CGD) Mar. 13, 2007
Radiative Transfer in Global Models: Problems and Prospects
(46 minutes)
Discussion of successes on processes and models; Problems that affect abiltiy to assess climate change
Roger Kasperson (Clark University) Mar. 13, 2007
Vulnerability Analysis
(1 hour, 9 minutes)
Environmental impact assessment; risk assessment; strategic environmental assessment; vulnerability assessment
Marika Holland (CGD) Mar. 06, 2007
Abrupt Reductions in the Future Arctic Ice Cover
(50 minutes)
Observed changes in the Arctic climate; Projected change in CCSM3 summer Arctic ice cover (possibility of abrupt transitions & mechanisms driving change); Projections from other climate models
Adam Schlosser (Massachusetts Institute of Technology) Mar. 06, 2007
Linking Uncertainties in Changes Between the Global Terrestrial Hydrologic and Biogeochemical Cycles for Global-Change Integrated Assessments
(54 minutes)
Modeling the land system in its entirety with respect to hydrologic & biogeochemical cycles and their linkages.
Mohan Ramamurthy (Unidata) Mar. 02, 2007
Linked Environments for Atmospheric Discovery (LEAD)
(52 minutes)
LEAD makes meteorological data, forecast models, and analysis and visualization tools available to anyone who wants to interactively explore the weather as it evolves. A multi-disciplinary effort involving 9 institutions, LEAD is addressing the fundamental research challenges, and associated development, needed to create an integrated, scalable framework for working with a broad array of meteorological data and model output.
Heinz Wanner (University of Bern) Feb. 23, 2007
Halocene Climate Swings - Real or Imaginary
(53 minutes)
Discussion of Millennial scale (two patterns) and Decadal to centennial scale: Globally visible cycles?
Ron Brightwell (Sandia National Laboratories) Feb. 23, 2007
System Software R&D at Sandia: To Red Storm and Beyond
(56 minutes)
Sandia's massively parallel systems; Evolution of Sandia's system software and networking environment; Top three problems Sandia is facing; OS research and development activities
Rosina Bierbaum Feb. 23, 2007
Sustainability and Climate Change: Issues for Adaptation
(1 hour 37 minutes)
Need to think about climate change differently; There may be physical, ecological and societal 'tipping points'; Adaptation and mitigation are BOTH necessary; Adaptation research & options to cope are nascent; A rich interdisiplinary research agenda must be tackled now by physical scientists & social scientists, with questions defined by stakeholders
NCAR & UCAR News Center Feb. 15, 2007
Understanding Climate Change - Multimedia Gallery
(videos, animations, interactive illustrations, photos)
The year 2007 was significant for scientists, policymakers, and citizens investigating climate change and its impact on our planet's future. That year marked the release of a major report produced through global cooperation, the free exchange of ideas, and thorough scientific investigation. This multimedia gallery supports discussion of the report and current climate research. | News Feature
Joshua Willis (Jet Propulsion Laboratory) Feb. 13, 2007
The Demise of Sudden Ocean Cooling?
(40 minutes)
Discussions of: ? Historical Perspective - The tide gauge record - The altimeter era (1990?s to the present) ? The GRACE and Argo era (2003 to the present) - Recent cooling - Data Problems - Corrected results
Gabriel Vecchi (NOAA/GFDL) Feb. 06, 2007
Slowdown of Tropical Circulation in a Warming Climate
(1 hour 1 minute)
What is the expected response of the tropical climate system to a warming climate? Is there evidence of such a response in the observational record? What are some implications of the slowdown?
Caspar Ammann (CGD), Bill Collins (CGD), Mickey Glantz (CCB), Joanie Kleypas (ISSE), Linda Mearns (ISSE), Jerry Meehl (CGD), Kevin Trenberth (CGD), Warren Washington (CGD), Tom Wigley (CGD) Feb. 01, 2007
Climate Future: Voices of Science
(24 minutes, Flash)
Some of NCAR's most prominent scientists weigh in on key questions about climate change in these short interviews, produced by NCAR Education and Outreach.
Tim Killeen (NCAR), Al Kellie (CISL), Krista Laursen (NCAR), Jeff Reaves (UCAR) Jan. 31, 2007
Tim Killeen and Al Kellie discuss the data center partnership.
(55 minutes)
Tim Killeen and Al Kellie discuss the data center partnership and answer questions during this virtual town meeting.
NCAR & UCAR News Center Dec. 11, 2006
Innovative Satellite System Proves Its Worth with Better Weather Forecasts, Climate Data - Multimedia Gallery
(videos, illustrations, photos)
A set of six microsatellites, launched in April 2006, is probing the atmosphere in ways that have been impossible with previous observing systems. COSMIC (Constellation Observing System for Meteorology, Ionosphere and Climate) can boost the accuracy of forecasts of hurricane behavior, significantly improve long-range weather forecasts, and monitor climate change with unprecedented accuracy. | News Release
Joe Tribbia (CGD) Dec. 06, 2006
Uncertainty Quantification, Predictability and Stochastic Parameterization
(59 minutes)
Joe Tribbia describes some recent efforts aimed at moving beyond the historical focus in parameterization, the mean tendency due to the convergence of rectified unresolved fluxes and examine the need for a broader approach based on scaling.
James Hurrell (CGD) Dec. 01, 2006
North Atlantic Oscillation: Driving Climate Across the Atlantic
(8 minutes)
Hurrell is interviewed as part of a multimedia presentation about the North Atlantic Oscillation on the Web site of the American Museum of Natural History. The NAO is a primary driver of weather and climate variability over much of the Northern Hemisphere. | Abstract
Cecile Penland (NOAA) Nov. 08, 2006
Getting Rid of El Nino
(45 minutes)
Isolating the Signal with a Nonnormal Filter
Bob Houze (University of Washington) Nov. 01, 2006
RAINEX - Hurricane Rainband and Intensity Change Experiment
(52 minutes)
The NSF sponsored Hurricane Rainband and Intensity Experiment (RAINEX) is an aircraft investigation of hurricane intensity changes associated with eyewall-rainband interactions. The objective of RAINEX is to understand hurricane intensity changes.
Curt Suplee (Former head of NSF?s Office of Legislative and Public Affairs and award-winning science writer for the Washington Post) Oct. 10, 2006
The State of the Modern Media - Getting Your Message Across
(36 minutes)
Curt Suplee, former head of NSF's Office of Legislative and Public Affairs and award-winning science writer for the Washington Post, explores the evolution of science coverage by the U.S. media, audience interest, and the outlook for the future.
Brian Toon (University of Colorado) Oct. 10, 2006
Small Nuclear Wars - Nuclear Winter Revisited
(1 hour)
Based on the Papers: Consequences of Regional Scale Nuclear Conflicts and Acts of Individual Nuclear Terrorism and Climatic Consequences of Regional Scale Nuclear Conflicts
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The National Center for Atmospheric Research and UCAR Office of Programs are operated by UCAR under the sponsorship of the National Science Foundation and other agencies. Opinions, findings, conclusions, or recommendations expressed in these webcasts do not necessarily reflect the views of UCAR/NCAR/UOP or any of its sponsors.

 

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