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    The South American Low-Level Jet Experiment

    Source: Bulletin of the American Meteorological Society:;2006:;volume( 087 ):;issue: 001::page 63
    Author:
    Vera, C.
    ,
    Baez, J.
    ,
    Douglas, M.
    ,
    Emmanuel, C. B.
    ,
    Marengo, J.
    ,
    Meitin, J.
    ,
    Nicolini, M.
    ,
    Nogues-Paegle, J.
    ,
    Paegle, J.
    ,
    Penalba, O.
    ,
    Salio, P.
    ,
    Saulo, C.
    ,
    Silva Dias, M. A.
    ,
    Silva Dias, P.
    ,
    Zipser, E.
    DOI: 10.1175/BAMS-87-1-63
    Publisher: American Meteorological Society
    Abstract: Moisture is transported in South America westward from the tropical Atlantic Ocean to the Amazon basin, and then southward toward the extratropics. A regional intensification of this circulation to the east of the Andes Mountains is called the South American low-level jet (SALLJ), with the strongest winds found over eastern Bolivia. SALLJ is present all year and channels moisture to the La Plata basin, which is analogous to the better-known Amazon basin in terms of its biological and habitat diversity, and far exceeds the latter in its economic importance to southern and central South America in terms of hydroelectricity and food production. The relatively small SALLJ spatial scale (compared with the density of the available sounding network) has a limited understanding of and modeling capability for any variations in the SALLJ intensity and structure as well as its possible relationship to downstream rainfall. The SALLJ Experiment (SALLJEX), aimed at describing many aspects of SALLJ, was carried out between 15 November 2002 and 15 February 2003 in Bolivia, Paraguay, central and northern Argentina, western Brazil, and Peru. Scientists, collaborators, students, National Meteorological Service personnel, and local volunteers from South American countries and the United States participated in SALLJEX activities in an unprecedented way, because SALLJEX was the most extensive meteorological field activity to date in subtropical South America, and was the first World Climate Research Program/ Climate Variability and Prediction Program international campaign in South America. This paper describes the motivation for the field activity in the region, the special SALLJEX observations, and SALLJEX modeling and outreach activities. We also describe some preliminary scientific conclusions and discuss some of the remaining questions.
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      The South American Low-Level Jet Experiment

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4214924
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    contributor authorVera, C.
    contributor authorBaez, J.
    contributor authorDouglas, M.
    contributor authorEmmanuel, C. B.
    contributor authorMarengo, J.
    contributor authorMeitin, J.
    contributor authorNicolini, M.
    contributor authorNogues-Paegle, J.
    contributor authorPaegle, J.
    contributor authorPenalba, O.
    contributor authorSalio, P.
    contributor authorSaulo, C.
    contributor authorSilva Dias, M. A.
    contributor authorSilva Dias, P.
    contributor authorZipser, E.
    date accessioned2017-06-09T16:43:00Z
    date available2017-06-09T16:43:00Z
    date copyright2006/01/01
    date issued2006
    identifier issn0003-0007
    identifier otherams-72873.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4214924
    description abstractMoisture is transported in South America westward from the tropical Atlantic Ocean to the Amazon basin, and then southward toward the extratropics. A regional intensification of this circulation to the east of the Andes Mountains is called the South American low-level jet (SALLJ), with the strongest winds found over eastern Bolivia. SALLJ is present all year and channels moisture to the La Plata basin, which is analogous to the better-known Amazon basin in terms of its biological and habitat diversity, and far exceeds the latter in its economic importance to southern and central South America in terms of hydroelectricity and food production. The relatively small SALLJ spatial scale (compared with the density of the available sounding network) has a limited understanding of and modeling capability for any variations in the SALLJ intensity and structure as well as its possible relationship to downstream rainfall. The SALLJ Experiment (SALLJEX), aimed at describing many aspects of SALLJ, was carried out between 15 November 2002 and 15 February 2003 in Bolivia, Paraguay, central and northern Argentina, western Brazil, and Peru. Scientists, collaborators, students, National Meteorological Service personnel, and local volunteers from South American countries and the United States participated in SALLJEX activities in an unprecedented way, because SALLJEX was the most extensive meteorological field activity to date in subtropical South America, and was the first World Climate Research Program/ Climate Variability and Prediction Program international campaign in South America. This paper describes the motivation for the field activity in the region, the special SALLJEX observations, and SALLJEX modeling and outreach activities. We also describe some preliminary scientific conclusions and discuss some of the remaining questions.
    publisherAmerican Meteorological Society
    titleThe South American Low-Level Jet Experiment
    typeJournal Paper
    journal volume87
    journal issue1
    journal titleBulletin of the American Meteorological Society
    identifier doi10.1175/BAMS-87-1-63
    journal fristpage63
    journal lastpage77
    treeBulletin of the American Meteorological Society:;2006:;volume( 087 ):;issue: 001
    contenttypeFulltext
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