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Observed development of the vertical structure of the marine boundary layer during the LASIE experiment in the Ligurian Sea (Articolo in rivista)

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Observed development of the vertical structure of the marine boundary layer during the LASIE experiment in the Ligurian Sea (Articolo in rivista) (literal)

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Sempreviva, A. M.(1)(2); Schiano, M. E.(3); Pensieri, S.(4); Semedo, A.(2)(5); Tomé, R.(2)(6); Bozzano, R.(4); Borghini, M.(7); Grasso, F.(8); Soerensen, L. L.(2)(9); Teixeira, J.(10); Transerici, C.(11) (2010)
Observed development of the vertical structure of the marine boundary layer during the LASIE experiment in the Ligurian Sea
in Annales geophysicae (1988); European Geosciences Union (EGU), "Katlenburg-Lindau ; Munich" (Germania)
(literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

Sempreviva, A. M.(1)(2); Schiano, M. E.(3); Pensieri, S.(4); Semedo, A.(2)(5); Tomé, R.(2)(6); Bozzano, R.(4); Borghini, M.(7); Grasso, F.(8); Soerensen, L. L.(2)(9); Teixeira, J.(10); Transerici, C.(11) (literal)

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(1) CNR-ISAC, Zona Industriale di Lamezia Terme, 88046 Lamezia Terme, Italy (2) Risoe - DTU, Frederiksbogvej 399, 4000, Roskilde, Denmark, Roskilde, Denmark (3) CNR-ISMAR, via De Marini 6, 16149 Genova, Italy (4) CNR-ISSIA, via De Marini 6, 16149 Genova, Italy (5) Dep. Earth Sciences, University of Uppsala, 75182 Uppsala, Sweden (6) Centro do Clima, Meteorologia e Mudanças Globais, Azores University, Angra do Heroísmo, 97100 Terceira, Portugal (7) CNR-ISMAR, Forte S.Teresa Pozzuolo di Lerici, 19100 La Spezia, Italy (8) CNR-ISAC, Str. Prov. Lecce Monteroni Km 1,200, 73100 Lecce, Italy (9) National Environmental Research Institute, University of Aarhus, Frederiksbogvej 399, 4000, Roskilde, Denmark (10) Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, MS 169-237 Pasadena, CA 91109, USA (11) CNR-ISAC, Via del Fosso del Cavaliere 100, 00133 Rome, Italy (literal)

Titolo

Observed development of the vertical structure of the marine boundary layer during the LASIE experiment in the Ligurian Sea (literal)

Abstract

In the marine environment, complete datasets describing the surface layer and the vertical structure of the Marine Atmospheric Boundary Layer (MABL), through its entire depth, are less frequent than over land, due to the high cost of measuring campaigns. During the seven days of the Ligurian Air-Sea Interaction Experiment (LASIE), organized by the NATO Undersea Research Centre (NURC) in the Mediterranean Sea, extensive in situ and remote sensing measurements were collected from instruments placed on a spar buoy and a ship. Standard surface meteorological measurements were collected by meteorological sensors mounted on the buoy ODAS Italia1 located in the centre of the Gulf of Genoa. The evolution of the height (zi) of the MABL was monitored using radiosondes and a ceilometer on board of the N/O Urania. Here, we present the database and an uncommon case study of the evolution of the vertical structure of the MABL, observed by two independent measuring systems: the ceilometer and radiosondes. Following the changes of surface flow conditions, in a sequence of onshore - offshore - onshore wind direction shifting episodes, during the mid part of the campaign, the overall structure of the MABL changed. Warm and dry air from land advected over a colder sea, induced a stably stratified Internal Boundary Layer (IBL) and a consequent change in the structure of the vertical profiles of potential temperature and relative humidity. (literal)

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