Listar por autor "Lavado-Casimiro, W."

    • Atlas de zonas áridas del Perú: una evaluación presente y futura 

      Huerta, Adrian; Lavado-Casimiro, W.

      (Servicio Nacional de Meteorología e Hidrología del Perú, 2021-12)
      Acceso abierto
      Se espera que el cambio climático provocará algunos cambios importantes en las condiciones hidroclimáticas a nivel global. Dado que la aridez es un indicador de la deficiencia de agua en una determinada región, sus cambios ...

    • Atlas de zonas de vida del Perú : guía explicativa. Nota Técnica Nº 003 SENAMH-DHI-2017 

      Aybar Camacho, Cesar Luis; Lavado-Casimiro, W.

      (Servicio Nacional de Meteorología e Hidrología del Perú, 2017)
      Acceso abierto
      El presente documento es la primera versión del Mapa de zonas de vida de Holdridge del Perú a una escala de 1:100000, el cual es el resultado de un trabajo de investigación realizado por el Servicio Nacional de Meteorología ...

    • 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 abierto
      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 ...

    • Can artificial neural networks estimate potential evapotranspiration in Peruvian highlands? 

      Laqui, Wilber; Zubieta, Ricardo; Rau, P.; Mejía, Abel; Lavado-Casimiro, W.; Ingol, Eusebio

      ( John Wiley and Sons , 2019-09-26)
      Embargado
      Evapotranspiration (ETo) is one of the most important variables of the water cycle when water requirements for irrigation, water resource planning or hydrological applications are analyzed. In this context, models based ...

    • Central South America 

      Marengo, José A.; Espinoza, J.C.; Alves, Lincoln M.; Ronchail, J.; Lavado-Casimiro, W.; Ramos, A. M.; Molina-Carpio, J.; Correa, Kris; Baez, J.; Salinas, R.

      (American Meteorological Society, 2020-08)
      Acceso abierto
      Heavy rainfall events were observed in January along the dry southern coast of Peru, resulting in some locations breaking precipitation records of more than 30 years. Heavy rainfall during February led to 42 landslides ...

    • 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 cerrado
      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 ...

    • Cl and Na Fluxes in an Andean Foreland Basin of the Peruvian Amazon: An Anthropogenic Impact Evidence 

      Moquet, Jean-Sébastien; Maurice, Laurence; Crave, Alain; Viers, Jérôme; Arevalo, Nore; Lagane, C.; Lavado-Casimiro, W.; Guyot, J.L.

      (Springer, 2014-09-14)
      Acceso abierto
      The dissolved load of the Amazon River is generally considered to be lowlyimpacted by anthropogenic activities. In this work, based on the chemical and hydrologicaldatabase of the Environmental Research Observatory—HYBAM ...

    • Clima y eventos extremos del Altiplano Central Perú- Boliviano 

      Andrade, Marcos; Lavado-Casimiro, W.; Brönnimann, Stefan

      (Servicio Nacional de Meteorología e Hidrología del Perú - SENAMHI, 2018)
      Acceso abierto
      El clima en el Altiplano de Bolivia y Perú puede ser extremo y severo. Gran parte de la región del Altiplano experimenta temperaturas de congelación frecuentes, a menudo por debajo de -3 grados C, pero en la región más al ...

    • Climate Change Impact on Peruvian Biomes 

      Zevallos, Jose; Lavado-Casimiro, W.

      (MDPI, 2022-02)
      Acceso abierto
      The biodiversity present in Peru will be affected by climatic and anthropogenic changes; therefore, understanding these changes will help generate biodiversity conservation policies. This study analyzes the potential ...

    • Climate change impacts on biomes and aridity in Peru 

      Zevallos Ruiz, Jose Augusto; Huerta, Adrian; Lavado-Casimiro, W.; Sabino Rojas, Evelin; Vega-Jácome, Fiorella; Felipe-Obando, Oscar

      (European Geosciences Union, 2020-06-12)
      Acceso abierto
      The preliminary results showed that random forest worked best for the PB imbalanced data, having a 0.84 weighted average in precision and recall metric. The model reproduces 9 of the PB with low error 4.5% and overestimates ...

    • 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 abierto
      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 ...

    • Climatic control on eastern Andean denudation rates (Central Cordillera from Ecuador to Bolivia) 

      Pepin, E.; Guyot, J.L.; Armijos, E.; Bazan, H.; Fraizy, Pascal; Moquet, J.S.; Noriega, L.; Lavado-Casimiro, W.; Pombosa, R.; Vauchel, P.

      (Elsevier, 2013-07)
      Acceso cerrado
      The suspended sediment yield and associated current denudation rates of eight large catchments located along the eastern range of the central Andes have been determined. The catchments have been chosen as mountainous and ...

    • A combined view on precipitation and temperature climatology and trends in the southern Andes of Peru 

      Imfeld, Noemi; Sedlmeier, Katrin; Gubler, Stefanie; Correa, Kris; Davila Arriaga, Cristina; Huerta, Adrian; Lavado-Casimiro, W.; Rohrer, M.; Scherrer, Simon C.; Schwierz, Cornelia

      (John Wiley and Sons, 2020-05-13)
      Acceso abierto
      In the southern Peruvian Andes, communities are highly dependent on climatic conditions due to the mainly rain-fed agriculture and the importance of glaciers and snow melt as a freshwater resource. Longer-term trends and ...

    • 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 abierto
      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, B.; Páez-Bimos, S.; Horna, N.; Buytaert, W.; Ochoa-Tocachi, v; Lavado-Casimiro, W.; Willems, B.

      (American Meteorological Society, 2017-09)
      Acceso abierto
      An 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 abierto
      The 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 ...

    • Condiciones secas en la zona norte del Perú durante enero y febrero 2020 

      Acuña Azarte, Julia; León, Karen; Endara Huanca, Sofia Marisol; Lavado-Casimiro, W.; Correa, Kris; Avalos, Grinia; Quispe, Nelson; Zimmermann, Diego; Quevedo Caiña, Karim; Ramos, Hugo

      (Servicio Nacional de Meteorología e Hidrología del Perú, 2020-02)
      Acceso abierto
      El Servicio Nacional de Meteorología e Hidrología del Perú-SENAMHI, en el marco de sus competencias realiza el monitoreo de las sequias meteorológicas, hidrológicas y agrícolas de alcance nacional, basado en la red de ...

    • Condiciones secas en la zona norte y centro del Perú durante enero 2020 

      Acuña Azarte, Julia; Endara Huanca, Sofia Marisol; Lavado-Casimiro, W.; Correa, Kris; Avalos, Grinia; Quispe, Nelson; Zimmermann, Diego; Quevedo Caiña, Karim; Ramos, Hugo

      (Servicio Nacional de Meteorología e Hidrología del Perú, 2020-02)
      Acceso abierto
      El Servicio Nacional de Meteorología e Hidrología del Perú-SENAMHI, en el marco de sus competencias realiza el monitoreo de las sequias meteorológicas, hidrológicas y agrícolas de alcance nacional, basado en la red de ...

    • 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 abierto
      Flood 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 abierto
      This 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 ...