Search Results - "ROSCOE, Howard K"

Particles and iodine compounds in coastal Antarctica by Roscoe, Howard K., Jones, Anna E., Brough, Neil, Weller, Rolf, Saiz-Lopez, Alfonso, Mahajan, Anoop S., Schoenhardt, Anja, Burrows, John P., Fleming, Zoe L.

“…Aerosol particle number concentrations have been measured at Halley and Neumayer on the Antarctic coast, since 2004 and 1984, respectively. Sulphur compounds…”
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Boundary Layer Halogens in Coastal Antarctica by Saiz-Lopez, Alfonso, Mahajan, Anoop S, Salmon, Rhian A, Bauguitte, Stephane J.-B, Jones, Anna E, Roscoe, Howard K, Plane, John M.C

“…Halogens influence the oxidizing capacity of Earth's troposphere, and iodine oxides form ultrafine aerosols, which may have an impact on climate. We report…”
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The Final Warming Date of the Antarctic Polar Vortex and Influences on its Interannual Variability by Haigh, Joanna D., Roscoe, Howard K.

“…More than 40 years of radiosonde data from two Antarctic stations are examined for changes in the date of the final stratospheric warming that occurs each year…”
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The Role of Eddies in the Southern Ocean Temperature Response to the Southern Annular Mode by Screen, James A., Gillett, Nathan P., Stevens, David P., Marshall, Gareth J., Roscoe, Howard K.

“…The role of eddies in modulating the Southern Ocean response to the southern annular mode (SAM) is examined, using an ocean model run at multiple resolutions…”
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Influences of ozone depletion, the solar cycle and the QBO on the Southern Annular Mode by Roscoe, Howard K., Haigh, Joanna D.

“…We present results of multiple regressions of the leading mode of atmospheric variability at southern high latitudes: the Southern Annular Mode (SAM). It is…”
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Frost flower surface area and chemistry as a function of salinity and temperature by Obbard, Rachel W., Roscoe, Howard K., Wolff, Eric W., Atkinson, Helen M.

“…Frost flowers play a role in air‐ice exchange in polar regions, contribute to tropospheric halogen chemistry, and affect ice core interpretation. Frost flowers…”
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The existence of the edge region of the Antarctic stratospheric vortex by Roscoe, Howard K., Feng, Wuhu, Chipperfield, Martyn P., Trainic, Miriam, Shuckburgh, Emily F.

“…New evidence from models, ozone measurements and balloon trajectories is presented that confirms the existence of a broad cohesive region of air at the edge of…”
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Solar influences on polar modes of variability by Joanna D. Haigh, Howard K. Roscoe

“…We present a multiple regression analysis of time series of the leading modes of variability in high latitudes, the Northern and Southern Annular Modes (NAM…”
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The impact of the mixing properties within the Antarctic stratospheric vortex on ozone loss in spring by Lee, Adrian M., Roscoe, Howard K., Jones, Anna E., Haynes, Peter H., Shuckburgh, Emily F., Morrey, Martin W., Pumphrey, Hugh C.

“…Calculations of equivalent length from an artificial advected tracer provide new insight into the isentropic transport processes occurring within the Antarctic…”
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Validation of GOMOS-Envisat vertical profiles of O3, NO2, NO3, and aerosol extinction using balloon-borne instruments and analysis of the retrievals by Renard, Jean-Baptiste, Berthet, Gwenaël, Brogniez, Colette, Catoire, Valery, Fussen, Didier, Goutail, Florence, Oelhaf, Hermann, Pommereau, Jean-Pierre, Roscoe, Howard K., Wetzel, Gerald, Chartier, Michel, Robert, Claude, Balois, Jean-Yves, Verwaerde, Christian, Auriol, Frédérique, François, Philippe, Gaubicher, Bertrand, Wursteisen, Patrick

“…The UV‐visible Global Ozone Monitoring by Occultation of Stars (GOMOS) instrument onboard Envisat performs nighttime measurements of ozone, NO2, NO3 and of the…”
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Strong Dynamical Modulation of the Cooling of the Polar Stratosphere Associated with the Antarctic Ozone Hole by Orr, Andrew, Bracegirdle, Thomas J., Hosking, J. Scott, Feng, Wuhu, Roscoe, Howard K., Haigh, Joanna D.

“…A model simulation forced by prescribed ozone depletion shows strong dynamical modulation of the springtime cooling of the polar stratosphere associated with…”
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Halocarbons associated with Arctic sea ice by Atkinson, Helen M., Hughes, Claire, Shaw, Marvin J., Roscoe, Howard K., Carpenter, Lucy J., Liss, Peter S.

“…Short-lived halocarbons were measured in Arctic sea–ice brine, seawater and air above the Greenland and Norwegian seas (~81°N, 2–5°E) in mid-summer, from a…”
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Energy and ozone fluxes over sea ice by Muller, Jennifer B.A., Dorsey, James R., Flynn, Michael, Gallagher, Martin W., Percival, Carl J., Shallcross, Dudley E., Archibald, Alexander, Roscoe, Howard K., Obbard, Rachel W., Atkinson, Helen M., Lee, James D., Moller, Sarah J., Carpenter, Lucy J.

“…We present surface layer measurements made over Hudson Bay sea ice during February/March 2008 from the COBRA (Impact of combined iodine and bromine release on…”
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Measurement Techniques in Gas-Phase Tropospheric Chemistry: A Selective View of the Past, Present, and Future by Roscoe, Howard K., Clemitshaw, Kevin C.

“…Measurements of trace gases and photolysis rates in the troposphere are essential for understanding photochemical smog and global environmental change…”
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The risk of large volcanic eruptions and the impact of this risk on future ozone depletion: Special Issue on Geophysical Hazards and Risks. Mohammed El-Sabh Memorial Issue by ROSCOE, Howard K

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Validation of GOMOS‐Envisat vertical profiles of O 3 , NO 2 , NO 3 , and aerosol extinction using balloon‐borne instruments and analysis of the retrievals by Renard, Jean‐Baptiste, Berthet, Gwenaël, Brogniez, Colette, Catoire, Valery, Fussen, Didier, Goutail, Florence, Oelhaf, Hermann, Pommereau, Jean‐Pierre, Roscoe, Howard K., Wetzel, Gerald, Chartier, Michel, Robert, Claude, Balois, Jean‐Yves, Verwaerde, Christian, Auriol, Frédérique, François, Philippe, Gaubicher, Bertrand, Wursteisen, Patrick

“…The UV‐visible Global Ozone Monitoring by Occultation of Stars (GOMOS) instrument onboard Envisat performs nighttime measurements of ozone, NO 2 , NO 3 and of…”
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The Risk of Large Volcanic Eruptions and the Impact of this Risk on Future Ozone Depletion by Roscoe, Howard K

“…Ozone depletion at mid-latitudes is caused by reactivehalogens from man-made halocarbons. The stratosphericsulphate aerosol which follows large…”
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