Stratosphere-Troposphere Analyses of Regional Transport (START-08) and HIAPER Pole-to-Pole Observations (HIPPO) of Carbon Cycle and Greenhouse Gases experiment will have a joint payload and operation in Spring 2008. During this workshop, the investigators will provide an overview of the scientific issues the experiments planned to address. Related modeling and satellite data analyses will be discussed. Planning for forecast and flight operations will also be part of the workshop. We invite the community’s participation and scientific involvement in the project.
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UTLS Program SummaryThe upper troposphere and lower stratosphere (UTLS) region is of critical importance for understanding long term climate change. Here ozone is an effective greenhouse gas, and water vapor, cirrus clouds, and aerosols have a strong influence on radiation balance. It is also a region where transport processes that couple the stratosphere and troposphere occur on a multitude of scales and where multiphase chemistry and cloud microphysical processes influence the variability of ozone and water vapor, and hence affect long term climate change. The NCAR UTLS initiative is motivated by the scientific significance and broad community interest in the UTLS region and the upcoming opportunities in UTLS research involving the new NSF research aircraft, HIAPER, and NASA A-Train satellite measurements. The scientific objective of this initiative is to conduct integrated studies of UTLS water vapor, ozone, clouds and their controlling processes using airborne and spaceborne observational capabilities in conjunction with NCAR modeling tools.
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The formation of the UTLS project is supported by the NCAR Director's Opportunity Fund. The decision of UTLS project as NCAR one of the new NCAR strategic Initiatives was made in December 2003. UTLS project involves scientists from several NCAR laboratories and divisions. It has become part of the Institute for Integrative and Multidisciplinary Earth Studies TllMES) since Spring of 2005. For additional information please go to the |
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