A42D:
Processes Controlling Upper Troposphere / Lower Stratosphere Composition and Structure V

Session ID#: 5264

Thursday, 18 December 2014: 10:20 AM-12:20 PM
3006 (Moscone West)
Chairs:  Ross J Salawitch, University of Maryland College Park, Department of Chemistry and Biochemistry, College Park, MD, United States and Neil Richard Peter Harris, Cranfield University, Cranfield, United Kingdom
Primary Convener:  Ross J Salawitch, University of Maryland College Park, Department of Chemistry and Biochemistry, College Park, MD, United States
Co-conveners:  Troy D Thornberry, NOAA Chemical Sciences Laboratory, Boulder, United States and Neil Richard Peter Harris, Cranfield University, Cranfield, United Kingdom
OSPA Liaison:  Troy D Thornberry, NOAA Chemical Sciences Laboratory, Boulder, United States
Index Terms:

0340 Middle atmosphere: composition and chemistry [ATMOSPHERIC COMPOSITION AND STRUCTURE]
0341 Middle atmosphere: constituent transport and chemistry [ATMOSPHERIC COMPOSITION AND STRUCTURE]
0365 Troposphere: composition and chemistry [ATMOSPHERIC COMPOSITION AND STRUCTURE]
0368 Troposphere: constituent transport and chemistry [ATMOSPHERIC COMPOSITION AND STRUCTURE]
Virtual Option?: No

Abstracts Submitted to this Session:

Airborne Tropical TRopopause EXperiment (ATTREX) 2014 Western Pacific Campaign (Invited) (4628)
Eric J Jensen, National Center for Atmospheric Research, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, CO, United States, Leonhard Pfister, NASA Ames Research Center, Moffett Field, CA, United States and ATTREX Science Team
Relative Humidity Distributions in the Tropical Tropopause Layer Measured During NASA ATTREX (31416)
Andrew W Rollins1,2, Troy D Thornberry1,3, Ru-Shan Gao4, Sarah Woods5, Thaopaul V Bui6 and David W Fahey1,3, (1)University of Colorado / CIRES, Boulder, CO, United States, (2)NOAA Earth System Research Laboratory (ESRL), Chemical Sciences Division, Boulder, CO, United States, (3)NOAA Earth System Research Lab, Boulder, CO, United States, (4)Cooperative Institute for Research in Environmental Sciences, Boulder, United States, (5)SPEC Inc., Boulder, CO, United States, (6)NASA Ames Research Center, Moffett Field, United States
How much ice is there in the Tropical Tropopause Layer? Observations from the ATTREX mission, from the Global Hawk and from Space (29615)
Melody A Avery1, Troy D Thornberry2, Stuart A Young3, Sarah Woods4, Qixu Mo5, Paul Lawson5, Matthew J McGill6, Mark Vaughan7, John E Yorks8, Mark Vaughan9, Glenn S Diskin10, Eric J Jensen11, Dennis L Hlavka12, David M Winker13, David W Fahey14, Charles R Trepte13, Bruce Gandrud5, Anne Garnier15 and Andrew W Rollins16, (1)NASA Langley Research Ctr, Hampton, VA, United States, (2)NOAA Chemical Sciences Laboratory, Boulder, United States, (3)CSIRO Marine and Atmospheric Research, Aspendale, Victoria, Australia, (4)SPEC Inc., Boulder, CO, United States, (5)SPEC Inc, Boulder, CO, United States, (6)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (7)NASA, Hampton, VA, United States, (8)SSAI/NASA GSFC, Greenbelt, United States, (9)CNRS, Paris Cedex 16, France, (10)NASA Langley Research Center, Hampton, United States, (11)National Center for Atmospheric Research, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, CO, United States, (12)SSAI/NASA GSFC, Greenbelt, MD, United States, (13)NASA Langley Research Center, Hampton, VA, United States, (14)University of Colorado / CIRES, Boulder, CO, United States, (15)Analytical Mechanics Associates, Hampton, United States, (16)NOAA ESRL, Chemical Sciences Laboratory, Boulder, United States
Tropical Tropopause Layer Cloud Formation, Convection and Stratospheric Dehydration (10541)
Mark R Schoeberl, Science and Technology Corporation, Earth Sciences, Boulder, CO, United States, Andrew E Dessler, Texas A&M Univ, College Station, TX, United States, Tao Wang, Texas A & M University, College Station, United States, Melody A Avery, NASA Langley Research Ctr, Hampton, VA, United States and Eric J Jensen, National Center for Atmospheric Research, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, CO, United States
Variability and trends in UTLS temperatures and water vapor (14005)
Karen Hepler Rosenlof, NOAA Earth System Research Laboratory, Chemical Sciences Division, Boulder, United States, Birgit Hassler, NOAA ESRL CSD, Boulder, CO, United States; University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences - CIRES, Boulder, CO, United States, Ryan R Neely III, National Center for Atmospheric Research, Advanced Studies Program, Boulder, CO, United States, Sean M Davis, University of Colorado / CIRES, Boulder, CO, United States and Dale F Hurst, Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, United States
Processes Controlling Water Vapor in the UT/LS: Eight Years of Monthly Measurements by the IAGOS-CARIBIC Observatory (21315)
Andreas Zahn1, Emanuel Christner2, Peter J.F. van Velthoven3, Armin Rauthe-Schoech4, Angela Kathleen Haar4 and Carl A M Brenninkmeijer4, (1)Karlsruhe Institute of Technology, Karlsruhe, Germany, (2)Karlsruhe Institute of Technology, Atmospheric trace gas measurements and remote sensing, Karlsruhe, Germany, (3)Royal Netherlands Meteorological Institute, De Bilt, Netherlands, (4)Max Planck Institute for Chemistry, Mainz, Germany
A case-study analysis of convectively sourced water vapor plumes in the overworld stratosphere over the continental U.S. observed in situ during the SEAC4RS mission (17305)
Jessica B Smith1, Maryann R Sargent2, David M Wilmouth3, James G Anderson3, Kristopher M Bedka4, Robert L Herman5, Jasna Vellovic Pittman6 and Eric J Jensen7, (1)Harvard Univ/Anderson Group, Cambridge, United States, (2)Harvard University, Harvard John A. Paulson School of Engineering and Applied Sciences, Cambridge, MA, United States, (3)Harvard University, Cambridge, United States, (4)NASA Langley Research Center, Science Directorate, Hampton, United States, (5)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (6)Harvard University, Cambridge, MA, United States, (7)National Center for Atmospheric Research, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, CO, United States
Is There Evidence of Convectively Injected Water Vapor in the Lowermost Stratosphere Over Boulder, Colorado? (13131)
Dale F Hurst1,2, Karen Hepler Rosenlof3, Sean M Davis4, Emrys Hall2,5 and Allen F Jordan2,6, (1)Global Monitoring Division, NOAA Earth System Research Laboratory, Boulder, United States, (2)Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, United States, (3)Chemical Sciences Division, NOAA Earth System Research Laboratory, Boulder, CO, United States, (4)University of Colorado / CIRES, Boulder, CO, United States, (5)NOAA Global Monitoring Laboratory, Boulder, United States, (6)Global Monitoring Division, NOAA Earth System Research Laboratory, Boulder, CO, United States