The BLLAST field experiment: Boundary-Layer late afternoon and sunset turbulence (Articolo in rivista)

Type
Label
  • The BLLAST field experiment: Boundary-Layer late afternoon and sunset turbulence (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.5194/acp-14-10931-2014 (literal)
Alternative label
  • Lothon, Marie; Lohou, Fabienne; Pino, David; Couvreux, Fleur; Pardyjak, Eric R.; Reuder, Joachim; Vilà-Guerau De Arellano, Jordi; Durand, Pierre; Hartogensis, Oscar K.; Legain, Dominique; Augustin, Patrick V.; Gioli, Beniamino; Lenschow, Donald H.; Faloona, Ian C.; Yagüe, Carlos; Alexander, Daniel C.; Angevine, Wayne M.; Bargain, E.; Barrié, Joël; Bazile, Eric; Bezombes, Y.; Blay-Carreras, E.; Van De Boer, Anneke; Boichard, Jean Luc; Bourdon, Anne; Butet, A.; Campistron, Bernard A.; De Coster, Olivier; Cuxart, Joan; Dabas, Alain M.; Darbieu, C.; Deboudt, Karine; Delbarre, Hervé; Derrien, Solène; Flament, Pascal; Fourmentin, Marc; Garai, Anirban; Gibert, Fabien; Graf, Alexander T.; Groebner, J.; Guichard, Françoise; Jiménez;, Mantonia Antonia; Jonassen, Marius O.; Van Den Kroonenberg, Aline C.; Magliulo, Vincenzo; Martin, Sabrina; Martínez, Daniel O.; Mastrorillo, L.; Moene, Arnold F.; Molinos, Francisco Lendinez; Moulin, Emilie; Pietersen, H. P.; Piguet, Bruno; Pique, E.; Román-Cascón, C.; Rufin-Soler, Caroline; Saïd, Frédérique; Sastre-Marugán, M.; Seity, Yann; Steeneveld, Gert Jan; Toscano, Piero; Traullé, Olivier; Tzanos, Diane; Wacker, Stefan; Wildmann, Norman; Zaldei, Alessandro (2014)
    The BLLAST field experiment: Boundary-Layer late afternoon and sunset turbulence
    in Atmospheric chemistry and physics (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Lothon, Marie; Lohou, Fabienne; Pino, David; Couvreux, Fleur; Pardyjak, Eric R.; Reuder, Joachim; Vilà-Guerau De Arellano, Jordi; Durand, Pierre; Hartogensis, Oscar K.; Legain, Dominique; Augustin, Patrick V.; Gioli, Beniamino; Lenschow, Donald H.; Faloona, Ian C.; Yagüe, Carlos; Alexander, Daniel C.; Angevine, Wayne M.; Bargain, E.; Barrié, Joël; Bazile, Eric; Bezombes, Y.; Blay-Carreras, E.; Van De Boer, Anneke; Boichard, Jean Luc; Bourdon, Anne; Butet, A.; Campistron, Bernard A.; De Coster, Olivier; Cuxart, Joan; Dabas, Alain M.; Darbieu, C.; Deboudt, Karine; Delbarre, Hervé; Derrien, Solène; Flament, Pascal; Fourmentin, Marc; Garai, Anirban; Gibert, Fabien; Graf, Alexander T.; Groebner, J.; Guichard, Françoise; Jiménez;, Mantonia Antonia; Jonassen, Marius O.; Van Den Kroonenberg, Aline C.; Magliulo, Vincenzo; Martin, Sabrina; Martínez, Daniel O.; Mastrorillo, L.; Moene, Arnold F.; Molinos, Francisco Lendinez; Moulin, Emilie; Pietersen, H. P.; Piguet, Bruno; Pique, E.; Román-Cascón, C.; Rufin-Soler, Caroline; Saïd, Frédérique; Sastre-Marugán, M.; Seity, Yann; Steeneveld, Gert Jan; Toscano, Piero; Traullé, Olivier; Tzanos, Diane; Wacker, Stefan; Wildmann, Norman; Zaldei, Alessandro (literal)
Pagina inizio
  • 10931 (literal)
Pagina fine
  • 10960 (literal)
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  • http://www.atmos-chem-phys.net/14/10931/2014/acp-14-10931-2014.html (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 14 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 20 (literal)
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Universite de Toulouse; Universitat Politecnica de Catalunya; CNRS Centre National de la Recherche Scientifique; University of Utah; Universitetet i Bergen; Wageningen University and Research Centre; Universite du Littoral Cote d'Opal; Istituto Di Biometeorologia, Florence; National Center for Atmospheric Research; UC Davis; Universidad Complutense de Madrid; University of Colorado at Boulder; OMP; Universitat de les Illes Balears; University of California, San Diego; Ecole Polytechnique; Institut für Bio-und Geowissenschaften; PMOD-WRC; Mediterranean Institute for Advanced Studies (UIB-CSIC); Universitat Tubingen; Technische Universitat Braunschweig; Institut de Recherches en ENvironnement Industriel (IRENI); Institut of Space Studies of Catalonia (IEEC-UPC); Universitat Bonn; Institute for Agricultural and Forest Systems in the Mediterranean (literal)
Titolo
  • The BLLAST field experiment: Boundary-Layer late afternoon and sunset turbulence (literal)
Abstract
  • Due to the major role of the sun in heating the earth's surface, the atmospheric planetary boundary layer over land is inherently marked by a diurnal cycle. The afternoon transition, the period of the day that connects the daytime dry convective boundary layer to the night-time stable boundary layer, still has a number of unanswered scientific questions. This phase of the diurnal cycle is challenging from both modelling and observational perspectives: it is transitory, most of the forcings are small or null and the turbulence regime changes from fully convective, close to homogeneous and isotropic, toward a more heterogeneous and intermittent state.

    These issues motivated the BLLAST (Boundary-Layer Late Afternoon and Sunset Turbulence) field campaign that was conducted from 14 June to 8 July 2011 in southern France, in an area of complex and heterogeneous terrain. A wide range of instrumented platforms including full-size aircraft, remotely piloted aircraft systems, remote-sensing instruments, radiosoundings, tethered balloons, surface flux stations and various meteorological towers were deployed over different surface types. The boundary layer, from the earth's surface to the free troposphere, was probed during the entire day, with a focus and intense observation periods that were conducted from midday until sunset. The BLLAST field campaign also provided an opportunity to test innovative measurement systems, such as new miniaturized sensors, and a new technique for frequent radiosoundings of the low troposphere.

    Twelve fair weather days displaying various meteorological conditions were extensively documented during the field experiment. The boundary-layer growth varied from one day to another depending on many contributions including stability, advection, subsidence, the state of the previous day's residual layer, as well as local, meso-or synoptic scale conditions.

    Ground-based measurements combined with tethered-balloon and airborne observations captured the turbulence decay from the surface throughout the whole boundary layer and documented the evolution of the turbulence characteristic length scales during the transition period.

    Closely integrated with the field experiment, numerical studies are now underway with a complete hierarchy of models to support the data interpretation and improve the model representations. (literal)
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