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Registros recuperados: 67
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A new ocean GCM for tropical ocean and ENSO studies IRD
Gent, P.R..
A new reduced gravity, primitive equation model of the upper equatorial ocean has been developped by Gent and Cane (1989). It has been configured to simulate the annual cycle in the tropical Pacific ocean. It is forced by the monthly winds from Rasmusson and Carpenter (1982) and a new heat flux formulation from Seager et al. (1988). The coefficients of vertical eddy viscosity and conductivity depend upon the Ridcharson number of the flow. With this mixing a deep warm pool form in the western Pacific, increasing the west-east gradient of the thermocline and equatorial undercurrent. The model has been diagnosed as to what factors maintain this deep warm pool. (Résumé d'auteur)
Tipo: Text Palavras-chave: CIRCULATION OCEANIQUE; FLUX THERMIQUE; MODELISATION.
Ano: 1989 URL: http://www.documentation.ird.fr/hor/fdi:30231
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Air-sea interaction in the western tropical Pacific ocean during 1982/83 and 1986/87 IRD
Meyers, G.; Bailey, R.; Lindstrom, E.; Phillips, H..
The Southern Oscillation Index (SOI), equatorial zonal wind, sea level anomalies at islands, sea surface temperature at Puerto Chicama Peru and mixed layer temperature and depth from the XBT ship of opportunity network are used to describe conditions during the past two ENSO episodes. Onset of sustained ENSO anomalies in the 1986/87 episode was in July 1986, one month later in the year onset of the 1982/83 episode in June 1982. Both episodes of the 1980's the usual surface temperature difference along the equator between 165°W and 160°E reversed and rapidly increased to 1°C in the order direction. ENSO warming of the central Pacific tends to be confined to the region 10°N-10°S whereas cooling of the western Pacific occurs in a broader region from...
Tipo: Text Palavras-chave: INTERACTION OCEAN ATMOSPHERE; TEMPERATURE DE SURFACE; ETUDE COMPARATIVE; ANOMALIE; FLUX THERMIQUE; ENSO.
Ano: 1989 URL: http://www.documentation.ird.fr/hor/fdi:30211
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An overview of bulk parametrization and remote sensing of latent heat flux in the tropical ocean IRD
Liu, W.T..
Tipo: Text Palavras-chave: INTERACTION OCEAN ATMOSPHERE; CIRCULATION ATMOSPHERIQUE; FLUX THERMIQUE; ANALYSE MATHEMATIQUE; VAPEUR D'EAU.
Ano: 1989 URL: http://www.documentation.ird.fr/hor/fdi:30238
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An overview of the 1997 activities of the semi-arid land-surface-atmosphere (SALSA) program IRD
Goodrich, D.C; Chehbouni, Abdelghani; Goff, B.; MacNish, B.; Maddock, T.; Moran, S.; Shuttleworth, W.J.; Williams, D.G.; Toth, J.J.; Watts, C.; Hipps, L.H.; Cooper, D.I.; Schieldge, J.; Kerr, Y.H.; Arias, H.; Kirkland, M.; Carlos, R.; Kepner, W.; Jones, B.; Avissar, R.; Bégué, A.; Boulet, Gilles; Branan, B.; Braud, I.; Brunel, Jean-Pierre; Chen, L.C.; Clarke, T.; Davis, M.R.; Dauzat, J.; DeBruin, H.; Dedieu, G.; Eichinger, W.E.; Elguero, Eric; Everitt, J.; Garatuza-Payan, J.; Garibay, A.; Gempko, V.L.; Gupta, H.; Harlow, C.; Hartogensis, O.; Helfert, M.; Holifield, C.; Hymer, D.; Kahle, A.; Keefer, T.; Krishnamoorthy, S.; Lhomme, Jean-Paul; Lo Seen, D.; Luquet, D.; Marsett, R.; Monteny, Bruno; Ni, W.; Nouvellon, Y.; Pinker, R.; Peters, C.; Pool, D.; Qi, J.; Rambal, S.; Rey, H.; Rodriguez, J.; Sano, E.; Schaeffer, S.M.; Schulte, M.; Scott, R.; Shao, X.; Synder, K.A.; Sorooshian, S.; Unkrich, C.L.; Whitaker, M.; Yucel, I..
Tipo: Text Palavras-chave: BILAN HYDRIQUE; ECOLOGIE; BIODIVERSITE; RELATION CLIMAT COUVERT VEGETAL; ATMOSPHERE; FLUX THERMIQUE; TEMPERATURE DE SURFACE; VEGETATION; CROISSANCE; EVAPOTRANSPIRATION; RESSOURCES EN EAU; EAU DE SURFACE; EAU SOUTERRAINE; TELEDETECTION; MESURE IN SITU; VARIATION TEMPORELLE; MODELISATION; ESTIMATION; PROGRAMME DE RECHERCHE; RECHERCHE PLURIDISCIPLINAIRE.
Ano: 1997 URL: http://www.documentation.ird.fr/hor/fdi:010023310
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Analysis of shallow heat flow measurements on Matthews and Hunter volcanoes (SW Pacific) IRD
Tabbagh, A.; Lardy, Michel.
Tipo: Text Palavras-chave: VOLCAN; GEOLOGIE STRUCTURALE; FLUX THERMIQUE; TRANSFERT DE CHALEUR.
Ano: 1993 URL: http://www.documentation.ird.fr/hor/fdi:43122
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Annual cycle of subsurface thermal structure in the Tropical Atlantic ocean IRD
Hastenrath, S.; Merle, Jacques.
The subsurface thermal structure in the Tropical Atlantic ocean (30°N-20°S, East of 80°W) is studied on the basis of an extensive data bank of subsurface soundings. Calendar monthly maps are presented showing mixed layer depth, base of thermocline, thermocline thickness, and vertical temperature gradient across the thermocline. These maps are complemented by vertical cross sections depicting mixed layer depth, base of thermocline, and selected isotherms : a zonal profile along the equator (50°W-10°E), a meridional transect across the Eastern Atlantic (4°N-18°S), and a meridional section across the Central Atlantic (30°N-18°S). (D'après résumé d'auteur)
Tipo: Text Palavras-chave: FLUX THERMIQUE; THERMOCLINE; TEMPERATURE DE SURFACE.
Ano: 1987 URL: http://www.documentation.ird.fr/hor/fdi:43826
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Apparent soil thermal diffusivity, a case study : HAPEX-Sahel experiment IRD
Passerat de Silans, A.M.B.; Monteny, Bruno; Lhomme, Jean-Paul.
Tipo: Text Palavras-chave: RELATION CLIMAT COUVERT VEGETAL; BILAN ENERGETIQUE; SOL; PROPRIETE PHYSIQUE; TEMPERATURE; DIFFUSION; TRANSFERT DE CHALEUR; FLUX THERMIQUE; PROFIL VERTICAL; METHODE D'ANALYSE.
Ano: 1996 URL: http://www.documentation.ird.fr/hor/fdi:010020947
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Application of TOPEX/POSEIDON altimetry measurements to observational and modeling studies of the low-frequency upper ocean mass and heat circulation in the Tropical Pacific IRD
Picaut, Joël; Delcroix, Thierry; Penhoat, Yves du; Busalacchi, A.J.; Gautier, G.; Hayes, S.P.; McPhaden, M.J..
Tipo: Text Palavras-chave: MASSE D'EAU; FLUX THERMIQUE; MESURE; ALTIMETRIE; COURANT; MODELE.
Ano: 1991 URL: http://www.documentation.ird.fr/hor/fdi:42383
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Approaches to the relatively hot altiplano plateau IRD
Munoz, M..
Tipo: Text Palavras-chave: PLATEAU; ALTITUDE; GEOTHERMIE; TEMPERATURE; CONDUCTIVITE; FLUX THERMIQUE.
Ano: 2005 URL: http://www.documentation.ird.fr/hor/fdi:010040299
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Bassins marginaux actifs du Sud-Ouest Pacifique : plateau Nord-fidjien, bassin de Lau IRD
Larue, Bernard; Pontoise, Bernard; Malahoff, A.; Lapouille, André; Latham, G.V..
Tipo: Text Palavras-chave: TECTONIQUE DE PLAQUES; ZONE DE DIVERGENCE; MORPHOLOGIE; BATHYMETRIE; SEDIMENT; FLUX THERMIQUE; SISMOLOGIE; MAGNETISME; SISMIQUE A REFRACTION; GRAVIMETRIE; BASSIN MARGINAL.
Ano: 1982 URL: http://www.documentation.ird.fr/hor/fdi:02422
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Canopy to region scale translation of surface fluxes IRD
Lhomme, Jean-Paul; Chehbouni, Abdelghani; Monteny, Bruno.
Tipo: Text Palavras-chave: BIOCLIMATOLOGIE; FLUX ENERGETIQUE; FLUX THERMIQUE; CONVECTION; MODELE MATHEMATIQUE.
Ano: 1996 URL: http://www.documentation.ird.fr/hor/fdi:010009771
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Champs thermiques de surface en zone soudano-sahélienne de septembre à novembre 1992 = Surface thermal fields in the sudanese-sahelian zone from september to november 1992 IRD
Guillot, Bernard; Pennarun, Jeannine.
Tipo: Text Palavras-chave: METEOROLOGIE; FLUX THERMIQUE; TEMPERATURE DE SURFACE; SOL; ANALYSE D'IMAGE; SATELLITE METEOSAT; VARIATION INTERANNUELLE.
Ano: 1992 URL: http://www.documentation.ird.fr/hor/fdi:010014445
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Convection and circulation anomalies over the oceanic warm pool during 1981-1982 IRD
Weickmann, K.M..
An important issue in understanding the low frequency evolution of the atmospheric circulation and the ocean-atmosphere system is the role of transients during individual events. We examine this question from an observational point-of-view for two different time scales and speculate on the importance of transients from these two different perspectives. Our analysis period covers September 1981 - April 1982 which includes the development phase of the 1982-83 El Nino Southern Oscillation (ENSO) as well as six Madden-Julian (30-60 day) Oscillations (MJO). The latter include a strong event during december 1981 that is studied in detail. The self-similarity of these two time scales (Webster, 1989) is also highlighted. (Résumé d'auteur)
Tipo: Text Palavras-chave: CIRCULATION ATMOSPHERIQUE; INTERACTION OCEAN ATMOSPHERE; FLUX THERMIQUE; ANOMALIE; ENSO; 1981 1982.
Ano: 1989 URL: http://www.documentation.ird.fr/hor/fdi:30249
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Cycle annuel moyen de la température dans les couches supérieures de l'océan Atlantique intertropical IRD
Merle, Jacques; Le Floch, J..
A partir d'une étude de données historiques de température pour l'Altantique intertropical, les variations saisonnières de la structure thermique des couches superficielles sont étudiées en utilisant une série de Fourier limitée aux termes annuel et semi-annuel. Ceci conduit à une bonne représentation des variations observées, et permet d'étendre au large, ce qui était connu à la côte dans le Golfe de Guinée (alternances dans l'année d'une grande et d'une petite saisons chaudes marines). En outre, ceci conduit à mettre en évidence des contrastes très marqués des variations saisonnières à la fois dans le sens méridien et dans le sens zonal, et de préciser la climatologie marine de ce secteur de l'océan. En particulier, l'amplitude de la variation...
Tipo: Text Palavras-chave: TEMPERATURE DE SURFACE; FLUX THERMIQUE; VARIABILITE; DISTRIBUTION SPATIALE; ANALYSE MATHEMATIQUE.
Ano: 1978 URL: http://www.documentation.ird.fr/hor/fdi:010006288
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Determination of boundary-layer fluxes with an integrated sounding system IRD
Dabberdt, W.F.; Cole, H.; Gage, K.; Ecklund, W.; Smith, W.L..
An important atmospheric goal of TOGA COARE is to determine the exchange of momentum, and sensible and latent heat in the western Pacific over the time scales of convective storms, westerly bursts and lower frequency events. TOGA COARE will also require detailed moisture budget studies in support of improved undestanding of sub-gridscale processes and the evaluation of model parameterization schemes systems do not provide observations on the temporal and spatial scales necessary to properly address these and other issues. We present the concept of the so-called Boundary-Layer Integrated Sounding System (BLISS) as a means to provide these measurements. The BLISS consists of a suite of demonstrated in situ and remote sensing subsystems which together provide...
Tipo: Text Palavras-chave: INTERACTION OCEAN ATMOSPHERE; FLUX THERMIQUE; TEMPERATURE; VENT; MESURE; INSTRUMENTATION; VAPEUR D'EAU.
Ano: 1989 URL: http://www.documentation.ird.fr/hor/fdi:30198
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Determination of sensible heat flux over Sahelian fallow savannah using infra-red thermometry IRD
Lhomme, Jean-Paul; Monteny, Bruno; Chehbouni, Abdelghani; Troufleau, D..
Tipo: Text Palavras-chave: BIOCLIMATOLOGIE; MESURE; TEMPERATURE; FLUX THERMIQUE; TELEDETECTION; JACHERE; SAVANE; INTERFACE VEGETATION ATMOSPHERE; TRANSFERT D'ENERGIE; MODELISATION.
Ano: 1994 URL: http://www.documentation.ird.fr/hor/fdi:39740
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Diagnostic studies of the thermal structure of the Tropical Atlantic ocean IRD
Merle, Jacques.
Tipo: Text Palavras-chave: INTERACTION OCEAN ATMOSPHERE; FLUX THERMIQUE; VARIABILITE; VENT; TOPOGRAPHIE DYNAMIQUE; BILAN THERMIQUE.
Ano: 1985 URL: http://www.documentation.ird.fr/hor/fdi:010006284
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Distribution des isotopes de l'hydrogène, de l'oxygène et de l'hélium dans les sources hydrothermales sous-marines de la ride Est-Pacifique, à 13°N IRD
Merlivat, L.; Andrié, Chantal; Jean-Baptiste, P..
Tipo: Text Palavras-chave: HYDROLOGIE MARINE; ALTERATION HYDROTHERMALE; EAU DE MER; ANALYSE PHYSICOCHIMIQUE; FLUX THERMIQUE; ANALYSE ISOTOPIQUE; DEUTERIUM; OXYGENE; HYDROGENE; CROUTE OCEANIQUE; BASALTE; MILIEU MARIN; SOURCE HYDROTHERMALE; HELIUM.
Ano: 1984 URL: http://www.documentation.ird.fr/hor/fdi:010023607
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Effective parameters of surface energy balance in heterogeneous landscape IRD
Lhomme, Jean-Paul; Chehbouni, Abdelghani; Monteny, Bruno.
Tipo: Text Palavras-chave: BILAN ENERGETIQUE; FLUX THERMIQUE; ESTIMATION; MODELISATION; VALIDATION.
Ano: 1994 URL: http://www.documentation.ird.fr/hor/fdi:41389
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El Nino southern oscillation displacements of the Western Equatorial Pacific warm pool IRD
McPhaden, M.J.; Picaut, Joël.
Tipo: Text Palavras-chave: EL NINO; ADVECTION MARINE; TEMPERATURE DE SURFACE; FLUX THERMIQUE; ENSO; CHAMP DE VENT.
Ano: 1990 URL: http://www.documentation.ird.fr/hor/fdi:34017
Registros recuperados: 67
Primeira ... 1234 ... Última
 

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