01. Artículos Científicos: Recent submissions
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Spatio-temporal rainfall variability in the Amazon basin countries (Brazil, Peru, Bolivia, Colombia, and Ecuador)
Villar, J.C.E.; Ronchail, J.; Guyot, J.L.; Cochonneau, G.; Naziano, F.; Lavado-Casimiro, W.; De Oliveira, E.; Pombosa, R.; Vauchel, P.
(Wiley Online Library, 2009-09)Acceso abiertoRainfall variability in the Amazon basin (AB) is analysed for the 1964-2003 period. It is based on 756 pluviometric stations distributed throughout the AB countries. For the first time it includes data from Bolivia, Peru, ... -
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)Acceso abiertoThis 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 ... -
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)Acceso cerradoThis 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 ... -
Assessment of climate change impacts on the hydrology of the Peruvian Amazon-Andes basin
Lavado-Casimiro, W.; Labat, D.; Guyot, J.L.; Ardoin-Bardin, Sandra
(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)Acceso abiertoAccording 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 ... -
Discharge simulation in the sub-basins of the Amazon using ORCHIDEE forced by new datasets
Guimberteau, M.; Drapeau, G.; Ronchail, J.; Sultan, B.; Polcher, J.; Martinez, J.-M.; Prigent, C.; Guyot, J.L.; Cochonneau, G.; Espinoza, J.C.; Filizola, N.; Fraizy, Pascal; Lavado-Casimiro, W.; De Oliveira, E.; Pombosa, R.; Noriega, L.; Vauchel, P.
(Copernicus GmbH, 2012-03)Acceso abiertoThe aim of this study is to evaluate the ability of the ORCHIDEE land surface model to simulate streamflows over each sub-basin of the Amazon River basin. For this purpose, simulations are performed with a routing module ... -
The integration of field measurements and satellite observations to determine river solid loads in poorly monitored basins
Espinoza-Villar, R.; Martinez, J.-M.; Guyot, J.L.; Fraizy, Pascal; Armijos, E.; Crave, A.; Bazan, H.; Vauchel, P.; Lavado-Casimiro, W.
(IRD France Nord, 2012-06)Acceso cerradoThe use of satellite imagery to assess river sediment discharge is discussed in the context of poorly monitored basins. For more than three decades, the Peruvian hydrological service SENAMHI has been maintaining several ... -
ENSO impact on hydrology in Peru
Lavado-Casimiro, W.; Felipe-Obando, Oscar; Silvestre, E.; Bourrel, V.
(Copernicus GmbH, 2013-04)Acceso abiertoThe El Niño and La Niña impacts on the hydrology of Peru were assessed based on discharge data (1968-2006) of 20 river catchments distributed over three drainage regions in Peru: 14 in the Pacific Coast (PC), 3 in the Lake ... -
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 ... -
The Major Floods in the Amazonas River and Tributaries (Western Amazon Basin) during the 1970-2012 Period: A Focus on the 2012 Flood
Espinoza, J.C.; Ronchail, J.; Frappart, F.; Lavado-Casimiro, W.; Santini, W.; Guyot, J.L.
(American Meteorological Society, 2013)Acceso abiertoIn this work, the authors analyze the origin of the extreme floods in the Peruvian Amazonas River during the 1970-2012 period, focusing on the recent April 2012 flooding (55400m3 s-1). Several hydrological variables, such ... -
Trends in rainfall and temperature in the Peruvian Amazon-Andes basin over the last 40years (1965-2007)
Lavado-Casimiro, W.; Labat, D.; Ronchail, J.; Espinoza, J.C.; Guyot, J.L.
(John Wiley & Sons, Inc., 2013-09)Acceso cerradoThe hydroclimatology of the Peruvian Amazon-Andes basin (PAB) which surface corresponding to 7% of the Amazon basin is still poorly documented. We propose here an extended and original analysis of the temporal evolution ... -
Sediment budget in the Ucayali River basin, an Andean tributary of the Amazon River
Santini, W.; Martinez, J.-M.; Espinoza-Villar, R.; Cochonneau, G.; Vauchel, P.; Moquet, J.S.; Baby, P.; Espinoza, J.C.; Lavado-Casimiro, W.; Carranza, Jorge; Guyot, J.L.
(Copernicus GmbH, 2014-01)Acceso abiertoFormation of mountain ranges results from complex coupling between lithospheric deformation, mechanisms linked to subduction and surface processes: weathering, erosion, and climate. Today, erosion of the eastern Andean ... -
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 ... -
Water resources and climate change impact modelling on a daily time scale in the Peruvian Andes
Andres, N.; Vegas Galdos, F.; Lavado-Casimiro, W.; Zappa, M.
(Taylor and Francis Ltd., 2014-11)Acceso abiertoEstimating water resources is important for adequate water management in the future, but suitable data are often scarce. We estimated water resources in the Vilcanota basin (Peru) for the 1998–2009 period with the ... -
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)Acceso abiertoThis 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 ... -
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)Acceso cerradoThe 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 ... -
The freezing level in the tropical Andes, Peru: An indicator for present and future glacier extents
Schauwecker, S.; Rohrer, M.; Huggel, C.; Endries, J. L.; Montoya, N.; Neukom, R.; Perry, B.; Salzmann, N.; Schwarb, M.; Suarez, Wilson
(Wiley-Blackwell, 2017-10)Acceso abiertoAlong with air temperatures, the freezing level height (FLH) has risen over the last decades. The mass balance of tropical glaciers in Peru is highly sensitive to a rise in the FLH, mainly due to a decrease in accumulation ... -
Impacts of satellite-based precipitation datasets on rainfall-runoff modeling of the Western Amazon basin of Peru and Ecuador
Zubieta, R.; Getirana, A.; Espinoza, J.C.; Lavado-Casimiro, W.
(Elsevier, 2015-09)Acceso cerradoSatellites are an alternative source of rainfall data used as input to hydrological models in poorly gauged or ungauged regions. They are also useful in regions with highly heterogeneous precipitation, such as the tropical ... -
Projected increases in the annual flood pulse of the Western Amazon
Zulkafli, Z.; Buytaert, W.; Manz, B.; Rosas, C.V.; Willems, P.; Lavado-Casimiro, W.; Guyot, J.L.; Santini, W.
(Institute of Physics Publishing, 2016-01)Acceso abiertoThe impact of a changing climate on the Amazon basin is a subject of intensive research because of its rich biodiversity and the significant role of rainforests in carbon cycling. Climate change has also a direct hydrological ... -
Modelling the water balance in the glacierized Parón Lake basin (White Cordillera, Peru)
Suarez, Wilson; Chevallier, P.; Pouyaud, B.; López, P.
(Taylor & Francis, 2008)Acceso abiertoThe White Cordillera (northern Peru), with a glacial surface of 631 km2, is the largest glacierized mountain range in the Tropics. Due to the lack of physical data from most of its sub-basins, it is difficult to build a ...
