Browsing by Title
Now showing items 1-20 of 90
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Accuracy assessment of SRTM v4 and ASTER GDEM v2 over the Altiplano watershed using ICESat/GLAS data
Satgé, F.; Bonnet, M.P; Timouk, F.; Calmant, S.; Pillco, R.; Molina, J.; Lavado-Casimiro, W.; Arsen, A.; Crétaux, J.F.; Garnier, J.
(Taylor and Francis Ltd., 2015-01)The new Global Digital Elevation Model (GDEM v2) has been available since 17 October 2011. With a resolution of approximately 30 m, this model should provide more accurate information than the latest version of Shuttle ... -
Amazon River dissolved load: temporal dynamics and annual budget from the Andes to the ocean
Moquet, J.S.; Guyot, J.L.; Crave, A.; Viers, J.; Filizola, N.; Martinez, J.-M.; Oliveira, T.C.; Sánchez, L.S.H.; Lagane, C.; Lavado-Casimiro, W.; Noriega, L.; Pombosa, R.
(Springer Verlag, 2016-06)The aim of the present study is to estimate the export fluxes of major dissolved species at the scale of the Amazon basin, to identify the main parameters controlling their spatial distribution and to identify the role of ... -
Análisis del riesgo de sequía en el sur del Perú
Vega Jácome, Fiorella
(Servicio Nacional de Meteorología e Hidrología del Perú– SENAMHI, 2016-11)Acceso abiertoLa sequía es uno de los mayores desastres naturales en el Perú, que ocasiona enormes pérdidas económicas, principalmente en el sector agrícola; sin embargo, es un tema poco estudiado en nuestro ámbito desde un enfoque de ... -
Asimilación y evaluación de datos de precipitación en base a satélite en modelamiento hidrológico de la cuenca del río Vilcanota
Fernández Palomino, Carlos
(Servicio Nacional de Meteorología e Hidrología del Perú– SENAMHI, 2016-11)Acceso abiertoLa cuenca del río Vilcanota (CRV), localizada en los Andes del sur del Perú, en los últimos años está experimentando cambios en su comportamiento hidrológico producto de las inundaciones, las sequías, la erosión del suelo ... -
Assessing hydrological changes in a regulated river system over the last 90 years in Rimac Basin (Peru)
Vega-Jácome, F.; Lavado-Casimiro, W.; Felipe-Obando, O.G.
(Springer-Verlag Wien, 2018-04)Acceso abiertoHydrological changes were assessed considering possible changes in precipitation and regulation or hydraulic diversion projects developed in the basin since 1960s in terms of improving water supply of the Rimac River, which ... -
Assessing multidecadal runoff (1970–2010) using regional hydrological modelling under data and water scarcity conditions in Peruvian Pacific catchment
Rau, P.; Bourrel, L.; Labat, D.; Ruelland, D.; Frappart, F.; Lavado-Casimiro, W.; Dewitte, v; Felipe, O.
(John Wiley and Sons Ltd, 2019-01)Acceso abiertoIn a context of water scarcity in Peruvian Pacific catchments as a crucial issue for Peru, added to the paucity of data availability, we propose a methodology that provides new perspectives for freshwater availability ... -
Assessment of climate change impacts on the hydrology of the Peruvian Amazon-Andes basin
Lavado-Casimiro, W.; Labat, D.; Guyot, J.L.; Ardoin-Bardin, S.
(Wiley-Blackwell, 2011-11)In this article, we propose an investigation of the modifications of the hydrological response of two Peruvian Amazonas-Andes basins in relationship with the modifications of the precipitation and evapotranspiration rates ... -
Basin-scale analysis of rainfall and runoff in Peru (1969–2004): Pacific, Titicaca and Amazonas drainages
Lavado-Casimiro, W.; Ronchail, J.; Labat, D.; Espinoza, J.C.; Guyot, J.L.
(Taylor and Francis Ltd., 2012-06)According to the Peruvian agricultural ministry, the Pacific watersheds where the great cities and intense farming are located only benefit from 1% of the available freshwater in Peru. Hence a thorough knowledge of the ... -
Caracterización hidrológica de la región Madre de Dios
Santos Villar, Darwin
(Servicio Nacional de Meteorología e Hidrología del Perú– SENAMHI, 2017-12)Acceso abiertoEn la actualidad, con el avance de las tecnologías ha hecho posible la disponibilidad de datos espaciales tales como los modelos digitales de elevación (Carpenter & Georgakakos, 2006.). Así, como el reciente desarrollo en ... -
Caracterización hidrológica de los distritos de Pampas y Santiago de Tucuma
Acuña Azarte, Julia Y.; Sanchez Bernardo, Tannia
(Servicio Nacional de Meteorología e Hidrología del Perú– SENAMHI, 2016-11)Acceso abiertoEl estudio de caracterización hidrológica del distrito de Pampas y Santiago de Tucuma situadas en la provincia de Tayacaja y región Huancavelica, ha sido desarrollado en el marco del Programa presupuestal por resultados ... -
Características hidrológicas del distrito de Huando
Acuña Azarte, Julia Y.
(Servicio Nacional de Meteorología e Hidrología del Perú– SENAMHI, 2015-06)Acceso abiertoEn el marco del programa presupuestal de Reducción de la Degradación de suelos Agrarios – PPR089, el Servicio Nacional de Meteorología e Hidrología del Perú–SENAMHI a través de la Dirección General de Hidrología y Recursos ... -
Chemical weathering and atmospheric/soil CO2 uptake in the Andean and Foreland Amazon basins
Moquet, J.S.; Crave, A.; Viers, J.; Seyler, P.; Armijos, E.; Bourrel, L.; Chavarri, E.; Lagane, C.; Laraque, A.; Lavado-Casimiro, W.; Pombosa, R.; Noriega, L.; Vera, A.; Guyot, J.L.
(Elsevier B.V., 2011-08)This study is a geochemical investigation of the Andean and Foreland basins of the Amazon River at high spatial and time resolution, carried out within the framework of the HYBAM research program (Hydro-geodynamics of the ... -
Ciclos horarios de precipitación en el Perú utilizando información satelital
Endara Huanca, Sofía Marisol
(Servicio Nacional de Meteorología e Hidrología del Perú– SENAMHI, 2016-11)Acceso abiertoEl presente estudio “Ciclos horarios de precipitación utilizando información satelital” tiene por objetivo caracterizar el comportamiento y la variabilidad de la precipitación diaria en 14 regiones del Perú ( Costa norte ... -
Climate variability and extreme drought in the upper Solimões River (western Amazon Basin): Understanding the exceptional 2010 drought
Espinoza, J.C.; Ronchail, J.; Guyot, J.L.; Junquas, v; Vauchel, P.; Lavado-Casimiro, W.; Drapeau, v; Pombosa, R.
(Blackwell Publishing Ltd, 2011-07)This work provides an initial overview of climate features and their related hydrological impacts during the recent extreme droughts (1995, 1998, 2005 and 2010) in the upper Solimes River (western Amazon), using comprehensive ... -
A comparative analysis of TRMM-rain gauge data merging techniques at the daily time scale for distributed rainfall-runoff modeling applications
Nerini, D.; Zulkafli, Z.; Wang, L.-P.; Onof, C.; Buytaert, W.; Lavado-Casimiro, W.; Guyot, J.L.
(American Meteorological Society, 2015-01)This study compares two nonparametric rainfall data merging methods-the mean bias correction and double-kernel smoothing-with two geostatistical methods-kriging with external drift and Bayesian combination-for optimizing ... -
Comparative ground validation of IMERG and TMPA at variable spatiotemporal scales in the tropical Andes
Manz, v; Páez-Bimos, S.; Horna, N.; Buytaert, W.; Ochoa-Tocachi, v; Lavado-Casimiro, W.; Willems, B.
(American Meteorological Society, 2017-09)Acceso abiertoAn initial ground validation of the Integrated Multisatellite Retrievals for GPM (IMERG) Day-1 product from March 2014 to August 2015 is presented for the tropical Andes. IMERG was evaluated along with the Tropical Rainfall ... -
A comparative performance analysis of TRMM 3B42 (TMPA) versions 6 and 7 for hydrological applications over Andean-Amazon river basins
Zulkafli, Z.; Buytaert, W.; Onof, C.; Manz, B.; Tarnavsky, E.; Lavado-Casimiro, W.; Guyot, J.L.
(American Meteorological Society, 2014-04)Acceso abiertoThe Tropical Rainfall Measuring Mission 3B42 precipitation estimates are widely used in tropical regions for hydrometeorological research. Recently, version 7 of the product was released. Major revisions to the algorithm ... -
A critical assessment of the JULES land surface model hydrology for humid tropical environments
Zulkafli, Z.; Buytaert, W.; Onof, C.; Lavado-Casimiro, W.; Guyot, J.L.
(Hydrology and Earth System Sciences (HESS), 2013-01)Acceso abiertoGlobal land surface models (LSMs) such as the Joint UK Land Environment Simulator (JULES) are originally developed to provide surface boundary conditions for climate models. They are increasingly used for hydrological ... -
Daily discharges modelling in a basin in southern Ecuador with precipitation and temperature estimated by satellite
Balcázar, L.; Bâ, K.M.; Díaz-Delgado, C.; Quentin, E.; Minga-León, S.
(Institución de Enseñanza e Investigación en Ciencias Agrícolas, 2019-05)Acceso abiertoIn some regions of the world, like southern Ecuador, meteorological data are scarce or do not exist. However, the data from products estimated by satellite are an alternative in these places and, in remote areas, can be ... -
Decadal changes in glacier parameters in the Cordillera Blanca, Peru, derived from remote sensing
Racoviteanu, A.E.; Arnaud, Y.; Williams, M.W.; Ordoñez, J.
(Cambridge University Press, 2008-06)Acceso abiertoWe present spatial patterns of glacier fluctuations from the Cordillera Blanca, Peru, (glacier area, terminus elevations, median elevations and hypsography) at decadal timescales derived from 1970 aerial photography, 2003 ...
