The THINICE field campaign: Interactions between Arctic cyclones, tropopause polar vortices, clouds and sea ice in summer
Rivière, Gwendal; Delanoë, Julien; Doyle, James D.; Methven, John; Barrell, Chris; Fearon, Matthew; Gray, Suzanne; Johnson, Aaron; Jourdan, Olivier; Lachlan-Cope, Thomas ORCID: https://orcid.org/0000-0002-0657-3235; Renfrew, Ian; Torn, Ryan D.; Volonté, Ambrogio; Weiss, Alexandra; Wimmer, Meryl; Aubry, Clemantyne; Baudoux, Antoine; Bazile, Eric; Beeden, Daniel; Bennett, Miriam; Biernat, Kevin; Bitz, Cecilia M.; Blanchard-Wrigglesworth, Edward; Bounissou, Sophie; Bray, Matthew; Burg, Tomer; Burzdak, Joseph; Businger, Steven; Capute, Peyton; Caudoux, Christophe; Cavallo, Steven; Cossalter, Laure; Cozzolino, Capucine; Croad, Hannah; Douet, Vincent; Elvidge, Andrew; Finocchio, Peter; Gourbeyre, Christophe; Harvey, Ben; Huet, Kevin; Hutchinson, Todd; Ladkin, Russ; Marshland, Kai; Martinez-Alvarado, Oscar; Mioche, Guillaume; Pantillon, Florian; Paquette, Cameron; Parsons, David B.; Persson, Ola; Raillard, Lea; Raut, Jean-Christophe; Seity, Yann; Trules, Jérémie; Vignon, Etienne; Wang, Xuguang. 2024 The THINICE field campaign: Interactions between Arctic cyclones, tropopause polar vortices, clouds and sea ice in summer. Bulletin of the American Meteorological Society, 105 (12). E2330-E2354. 10.1175/BAMS-D-23-0143.1
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Abstract/Summary
The THINICE field campaign, based from Svalbard in August 2022, provided unique observations of summertime Arctic cyclones, their coupling with cloud cover, and interactions with tropopause polar vortices and sea ice conditions. THINICE was motivated by the need to advance our understanding of these processes and to improve coupled models used to forecast weather and sea ice, as well as long-term projections of climate change in the Arctic. Two research aircraft were deployed with complementary instrumentation. The Safire ATR42 aircraft, equipped with the RALI (RAdar-LIdar) remote sensing instrumentation and in-situ cloud microphysics probes, flew in the mid-troposphere to observe the wind and multi-phase cloud structure of Arctic cyclones. The British Antarctic Survey MASIN aircraft flew at low levels measuring sea-ice properties, including surface brightness temperature, albedo and roughness, and the turbulent fluxes that mediate exchange of heat and momentum between the atmosphere and the surface. Long duration instrumented balloons, operated by WindBorne Systems, sampled meteorological conditions within both cyclones and tropospheric polar vortices across the Arctic. Several novel findings are highlighted. Intense, shallow low-level jets along warm fronts were observed within three Arctic cyclones using the Doppler radar and turbulence probes. A detailed depiction of the interweaving layers of ice crystals and supercooled liquid water in mixed-phase clouds is revealed through the synergistic combination of the Doppler radar, the lidar and in-situ microphysical probes. Measurements of near-surface turbulent fluxes combined with remote sensing measurements of sea ice properties are being used to characterize atmosphere-sea ice interactions in the marginal ice zone.
Item Type: | Publication - Article |
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Digital Object Identifier (DOI): | 10.1175/BAMS-D-23-0143.1 |
ISSN: | 0003-0007 |
Additional Keywords: | Atmosphere; Arctic; Sea ice; Clouds; Jets; Aircraft observations |
Date made live: | 14 Oct 2024 09:33 +0 (UTC) |
URI: | https://nora.nerc.ac.uk/id/eprint/538228 |
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