Now showing items 1-10 of 14
Simulation and Observations of Stratospheric Aerosols from the 2009 Sarychev Volcanic Eruption
Contributor:Kravitz, B.; Robock, A.; Bourassa, A.; Deshler, Terry; Wu, D.; Mattis, I.; Finger, F.; Hoffmann, A.; Ritter, C.; Bitar, L.; Duck, T. J.; Barnes, J. E.
We used a general circulation model of Earth's climate to conduct simulations of the 12-16 June 2009 eruption of Sarychev volcano (48.1°N, 153.2°E). The model simulates the formation and transport of the stratospheric ...
Observation of Polar Stratospheric Clouds Over McMurdo (77.85°S, 166.67°E) (2006-2010)
Contributor:Di Liberto, L.; Cairo, F.; Fierli, F.; Di Donfrancesco, G.; Viterbini, M.; Deshler, Terry; Snels, M.
Polar stratospheric clouds (PSCs) have been observed in the Antarctic winter from 2006 to 2010 at the Antarctic base of McMurdo Station using a newly developed Rayleigh lidar. Total backscatter ratio and volume depolarization ...
Evaluating Winter Orographic Cloud Seeding : Design of the Wyoming Weather Modification Pilot Project (WWMPP)
Contributor:Breed, D.; Rasmussen, R.; Weeks, C.; Boe, B.; Deshler, Terry
An overview of the Wyoming Weather Modification Pilot Project (WWMPP) is presented. This project, funded by the State of Wyoming, is designed to evaluate the effectiveness of cloud seeding with silver iodide in the Medicine ...
Overshooting of Clean Tropospheric Air in the Tropical Lower Stratosphere as Seen by the CALIPSO LiDAR
Contributor:Vernier, J.-P.; Pommereau, J.-P.; Thomason, L. W.; Pelon, J.; Garnier, A.; Deshler, Terry; Jumelet, J.; Nielsen, J. K.
The evolution of aerosols in the tropical upper troposphere/lower stratosphere between June 2006 and October 2009 is examined using the observations of the space borne CALIOP lidar aboard the CALIPSO satellite. Superimposed ...
Intercomparison of Polar Ozone Profiles by IASI/MetOp Sounder with 2010 Concordiasi Ozonesonde Observations
Contributor:Gazeaux, J.; Clerbaux, C.; George, M.; Hadji-Lazaro, J.; Kuttippurath, J.; Coheur, P.-F.; Hurtmans, D.; Deshler, Terry; Kovilakam, M.; Campbell, P.; Guidard, V.; Rabier, F.; Thépaut, J.-N.
Validation of ozone profiles measured from a nadir looking satellite instrument over Antarctica is a challenging task due to differences in their vertical sensitivity with ozonesonde measurements. In this paper, ozone ...
Comparison of measured and calculated scattering from surface aerosols with an average, a size-dependent, and a time-dependent refractive index
Contributor:Cai, Yong; Montague, Derek C.; Deshler, Terry
Mid-continental surface aerosols have been measured at a small, minimally polluted city in summer and winter and on a nearby remote mountain in summer. Aerosol scattering, absorption, size distribution, and composition ...
Condensation Nuclei Measurements in the Midlatitude (1982-2012) and Antarctic (1986-2010) Stratosphere between 20 and 35 km
Contributor:Campbell, P.; Deshler, Terry
Balloon-borne stratospheric condensation nuclei (CN) measurements have been made from McMurdo Station, Antarctica (78°S), 1986-2010, and from Laramie, Wyoming (41°N), 1982 to the present. In the Antarctic region, the ...
Aerosols in the Tropical and Subtropical UT/LS : In-Situ Measurements of Submicron Particle Abundance and Volatility
Contributor:Borrmann, S.; Kunkel, D.; Weigel, R.; Minikin, A.; Deshler, Terry; Wilson, J. C.; Curtius, J.; Volk, C. M.; Homan, C. D.; Ulanovsky, A.; Ravegnani, F.; Viciani, S.; Shur, G. N.; Belyaev, G. V.; Law, K. S.; Cairo, F.
Processes occurring in the tropical upper troposphere (UT), the Tropical Transition Layer (TTL), and the lower stratosphere (LS) are of importance for the global climate, for stratospheric dynamics and air chemistry, and ...
Quasi-Lagrangian Measurements of Nitric Acid Trihydrate Formation Over Antarctica
Contributor:Ward, S. M.; Deshler, Terry; Hertzog, A.
In 2010, the joint French-United States Concordiasi project released 19 long-duration superpressure balloons from McMurdo Station, Antarctica. Four of these balloons carried a gondola with particle counters and temperature ...
Optimal Estimation Retrieval of Aerosol Microphysical Properties from SAGE II Satellite Observations in the Volcanically Unperturbed Lower Stratosphere
Contributor:Wurl, D.; Grainger, R. G.; McDonald, A. J.; Deshler, Terry
Stratospheric aerosol particles under non-volcanic conditions are typically smaller than 0.1 μm. Due to fundamental limitations of the scattering theory in the Rayleigh limit, these tiny particles are hard to measure by ...