Listar Artículo científico por título
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Comparative ground validation of IMERG and TMPA at variable spatiotemporal scales in the tropical Andes
Manz, B.; 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 ... -
Comparison between the Operational and Statistical Daily Maximum and Minimum Temperature Forecasts in The Central Coast of Peru
Aliaga Nestares, Vannia; De la Cruz, Gustavo; Takahashi, Ken
(American Meteorological Society, 2023-02)Acceso abiertoMultiple linear regression models were developed for 1-3-day lead forecasts of maximum and minimum temperature for two locations in the city of Lima, in the central coast of Peru (12°S), and contrasted with the operational ... -
Constraining Flood Forecasting Uncertainties through Streamflow Data Assimilation in the Tropical Andes of Peru: Case of the Vilcanota River Basin
Llauca, Harold; Arestegui, Miguel; Lavado-Casimiro, W.
(MDPI, 2023-11)Acceso abiertoFlood modeling and forecasting are crucial for managing and preparing for extreme flood events, such as those in the Tropical Andes. In this context, assimilating streamflow data is essential. Data Assimilation (DA) seeks ... -
Construction of a daily streamflow dataset for Peru using a similarity-based regionalization approach and a hybrid hydrological modeling framework
Llauca, Harold; Leon, Karen; Lavado-Casimiro, W.
(Elsevier, 2023)Acceso abiertoThis paper aims to develop a national hydrological model using physiographic and climatic characteristics to identify donor and receptor sub-catchments (sub-zones). Therefore, we use the hydrometeorological PISCO dataset ... -
Construction of a high-resolution gridded rainfall dataset for Peru from 1981 to the present day
Aybar Camacho, Cesar Luis; Fernández, C.; Huerta, Adrian; Lavado-Casimiro, W.; Vega-Jácome, Fiorella; Felipe-Obando, Oscar
(Taylor and Francis, 2020)A new gridded rainfall dataset available for Peru is introduced, called PISCOp V2.1 (Peruvian Interpolated data of SENAMHI’s Climatological and Hydrological Observations). PISCOp has been developed for the period 1981 to ... -
Control of seasonal and inter-annual rainfall distribution on the Strontium-Neodymium isotopic compositions of suspended particulate matter and implications for tracing ENSO events in the Pacific coast (Tumbes basin, Peru)
Moquet, Jean-Sébastien; Morera, Sergio; Turcq, Bruno; Poitrasson, Franck; Roddaz, Martin; Moreira- Turcq, Patricia; Espinoza, J.C.; Guyot, J.L.; Takahashi, Ken; Orrillo-Vigo, Jhon; Petrick, Susana; Mounic, Stéphanie; Sondag, Francis
(Institut de recherche pour le développement-IRD, 2020-01)The geochemistry of riverine sediments exported to the oceans is important for paleo-hydro-climatic reconstruction. However, climate reconstruction requires a good understanding of the relationship between geochemistry and ... -
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 ... -
Current state of glaciers in the tropical Andes: A multi-century perspective on glacier evolution and climate change
Sicart, J.-E.; Huggel, C.; Scheel, M.; Lejeune, Y.; Arnaud, Y.; Collet, M.; Condom, T.; Consoli, G.; Favier, V.; Jomelli, V.; Galarraga, R.; Ginot, P.; Maisincho, L.; Mendoza, J.; Ménégoz, M.; Ramirez, E.; Ribstein, P.; Suarez, Wilson; Villacís, M.; Wagnon, P.
(Copernicus publications, 2013-01-22)Acceso abiertoThe aim of this paper is to provide the community with a comprehensive overview of the studies of glaciers in the tropical Andes conducted in recent decades leading to the current status of the glaciers in the context of ... -
Current thermal state of permafrost in the southern Peruvian Andes and potential impact from El Niño–Southern Oscillation (ENSO)
Yoshikawa, Kenji; Úbeda, Jose; Masías, Pablo; Vasquez, Pool; Ccallata, Beto; Concha, Ronald; Luna, Gonzalo; Iparraguirre, Joshua; Ramos, Isabel; De la Cruz, Gustavo; Cruz, Rolando; Pellitero, Ramón; Bonshoms, Marti
( John Wiley and Sons , 2020-05-19)Tropical high‐mountain permafrost has a unique thermal regime due to its exposure to strong solar radiation and to rough surface snow morphology, which reduce ground heat transfer from the surface. Latent heat transfer and ... -
Cutoff low over the southeastern Pacific Ocean: a case study
Quispe, Nelson; Aliaga Nestares, Vannia; Rodríguez Zimmermann, Diego; Bonshoms, Marti; Loayza, Raquel; García, Teresa; Mesia, José; Duran, Ricardo; Olivares, Sara
(CSIRO, 2021-02-17)Acceso abiertoCutoff lows (COLs) are infrequent events in the tropics that can cause extreme rainfall, flash flooding and landslides in arid areas, such as western South America. In this study, the life cycle of a COL in the southeastern ... -
A data portal for regional climatic trend analysis in a Peruvian High Andes region
Schwarb, M.; Acuña, Delia; Konzelmann, Thomas; Rohrer, M.; Salzmann, N.; Serpa Lopez, B.; Silvestre, E.
(Copernicus Publications, 2011-08-16)Acceso abiertoIn the frame of a Swiss-Peruvian climate change adaptation initiative (PACC), operational and historical data series of more than 100 stations of the Peruvian Meteorological and Hydrological Service (SENAMHI) are now ... -
Decadal changes in glacier parameters in the Cordillera Blanca, Peru, derived from remote sensing
Racoviteanu, A.E.; Arnaud, Y.; Williams, M.W.; Ordóñez Gálvez, Juan Julio
(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 ... -
Determination of anthropogenic and biogenic compounds on atmospheric aerosol collected in urban, biomass burning and forest areas in São Paulo, Brazil
Vasconcellos, P.; Souza, D.Z.; Sánchez Ccoyllo, Odón; Bustillos, J.O.V.; Lee, H.; Santos, F.C.; Nascimento, K.H.; Araújo, M.P.; Saarnio, K.
(Elsevier B.V., 2010-11)Acceso cerradoThis study was conducted at three sites of different characteristics in São Paulo State: São Paulo (SPA), Piracicaba (PRB) and Mata Atlântica Forest (MAT). PM10, n-alkanes, pristane and phytane, PAHs, water-soluble ions ... -
Determination of atmospheric aerosol components in an urban area to evaluate the air quality and identify the sources of contamination
Bedregal, Patricia; Ubillus, Marco; Cáceres-Rivero, Cynthia; Olivera, Paula; Garay Saravia, Roy Antonio; Rojas Quincho, Jhojan Pool; Zafra, Rafael; Urdanivia Lermo, Franceso Renato
(Springer, 2023-02-15)Acceso abiertoThe need to generate objective evidence and reliable information for decision makers to improve environmental policies for a better air quality, led us to evaluate the atmospheric aerosol components in the urban area of ... -
Determining payments for watershed services by hydro-economic modeling for optimal water allocation between agricultural and municipal water use
Haavisto, R.; Santos, Darwin; Perrels, A.
(Elsevier B.V., 2019-04)Acceso abiertoEvergrowingdemandforagriculturalandmunicipalwater,causedbypopulationgrowthandtheneedtofeedtheworld,aswellasincreasingstressoverwaterbodiescraveforefficientandsustainablewatermanagement.Especiallyinareaswheremunicipalanda ... -
Determining the geodetic mass balance of the Znosko glacier (King George Island, Antarctica) using an unmanned aerial vehicle
Bello, Cinthya; Suarez, Wilson; Brondi, Fabian
(Taylor and Francis Ltd., 2023-01-09)Acceso abiertoIn the last decade, unmanned aerial vehicles (UAVs) have been used for scientific research specially for glaciological applications in Antarctica. In the study an UAV was used to detect changes in Znosko glacier surface, ... -
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 ... -
Downscaling climate projections for the Peruvian coastal Chancay-Huaral Basin to support river discharge modeling with WEAP
Olsson, T.; Kämäräinen, M.; Santos, Darwin; Seitola, T.; Tuomenvirta, H.; Haavisto, R.; Lavado-Casimiro, W.
(Elsevier B.V., 2017-10)Acceso abiertoStudy region The Chancay-Huaral (CH) coastal river basin in the Lima Region, Peru, between the Pacific Ocean and the Andean Cordillera. Study focus Climate change impacts on annual and monthly discharges in the CH Basin ... -
Dry season circulation-type classification applied to precipitation and temperature in the Peruvian Andes
Bonshoms, Marti; Álvarez‐Garcia, Francisco J.; Ubeda, Jose; Cabos, William; Quispe Vega, Kelita; Liguori, Giovanni
(John Wiley and Sons, 2020-04-07)We present the first systematic classification of circulation regimes that characterize the Tropical Andes during the dry season (May–August). We apply the hierarchical k-means clustering method to ERA-Interim reanalysis ...