Now showing items 21-40 of 101

    • 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 abierto
      The 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 ...
    • Updated analyses of temperature and precipitation extreme indices since the beginning of the twentieth century: The HadEX2 dataset 

      Donat, M. G.; Alexander, L. V.; Yang, H.; Durre, I.; Vose, R.; Dunn, R. J. H.; Willett, K. M.; Aguilar, E.; Brunet, M.; Caesar, J.; Hewitson, B.; Jack, C.; Klein Tank, A. M. G.; Kruger, A. C.; Marengo, J.; Peterson, T. C.; Renom, M.; Oria Rojas, C.; Rusticucci, M.; Salinger, J.; Elrayah, A. S.; Sekele, S. S; Srivastava, A. K.; Trewin, B.; Villarroel, C.; Vincent, L. A.; Zhai, P.; Zhang, X.; Kitching, S.

      (Wiley-Blackwell, 2013-03-04)
      Acceso abierto
      In this study, we present the collation and analysis of the gridded land-based dataset ofindices of temperature and precipitation extremes: HadEX2. Indices were calculated based onstation data using a consistent approach ...
    • ENSO impact on hydrology in Peru 

      Lavado-Casimiro, W.; Felipe-Obando, Oscar; Silvestre, E.; Bourrel, V.

      (Copernicus GmbH, 2013-04)
      Acceso abierto
      The 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 ...
    • Relationship between monthly rainfall in NW peru and tropical sea surface temperature 

      Bazo, Juan; Lorenzo, M.D.L.N.; Porfirio Da Rocha, R.

      (Hindawi Publishing Corporation, 2013-08)
      Acceso abierto
      This study assesses the relationship between global sea surface temperature (SST) and a regional index of rainfall (NWPR) in Piura-Tumbes, a coastal region in northwestern Peru, over the period 1965-2008 by means of the ...
    • 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)
      Embargado
      The 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, J.; Guyot, J.L.

      (Copernicus GmbH, 2014-01)
      Acceso abierto
      Formation 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 ...
    • Introduction to hydrology 

      Salas, J.D.; Govindaraju, R.S.; Anderson, M.; Arabi, M.; Francés, F.; Suarez, Wilson; Lavado-Casimiro, W.; Green, T.R.

      (Humana Press Inc., 2014-01)
      Acceso cerrado
      Hydrology deals with the occurrence, movement, and storage of water in the earth system. Hydrologic science comprises understanding the underlying physical and stochastic processes involved and estimating the quantity and ...
    • Potential impacts of early twenty-first century changes in temperature and precipitation on rainfed annual crops in the Central Andes of Peru 

      Sanabria, Janeet; Calanca, Pierluigi; Alarcón Velazco, Constantino; Canchari, Glicerio

      (Servicio Nacional de Meteorología e Hidrología del Perú, 2014-03-08)
      Acceso abierto
      Smallholder agriculture in the Central Andes of Peru is based to large extent on rainfed cropping systems, is exposed to climatic risks and is expected to respond sensitively to increasing temperatures and shifts in the ...
    • 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 ...
    • Impacts of el niño and la niña in the precipitation over Perú (1965-2007) 

      Lavado-Casimiro, W.; Espinoza, J.C.

      (Sociedade Brasileira de Meteorologia, 2014-06)
      Acceso abierto
      The impacts of El Niño (EN) and La Niña (LN) in rainfall in Peru are evaluated using monthly data (1965-2007) of 155 stations distributed over the three hydrographic drainages of Peru: 85 in the Pacific (VP), 21 in the ...
    • 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 abierto
      Estimating 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)
      Embargado
      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 ...
    • 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)
      Embargado
      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 ...
    • Impact of climate change on some grapevine varieties grown in Peru for Pisco production 

      Yzarra, Wilfredo; Sanabria, Janeet; Cáceres, Hanna; Solis, Olimpio; Lhomme, Jean-Paul

      (Vigne et Vin Publications Internationales, 2015-06-30)
      Acceso abierto
      The Peruvian region of Ica is an important area ofgrapevine cultivation, mainly for the production of pisco, the flagship hard drink of Peru. The effects of a changing climate have been assessed using the recorded temperatures ...
    • Facing unprecedented drying of the Central Andes? Precipitation variability over the period AD 1000-2100 

      Neukom, R.; Rohrer, M.; Calanca, P.; Salzmann, N.; Huggel, C.; Acuña, Delia; Christie, D.A.; Morales, M.S.

      (Institute of Physics Publishing, 2015-08)
      Acceso abierto
      Projected future trends in water availability are associated with large uncertainties in many regions of the globe. In mountain areas with complex topography, climate models have often limited capabilities to adequately ...
    • Impact of the global warming hiatus on Andean temperature 

      Vuille, M.; Franquist, E.; Garreaud, R.; Lavado-Casimiro, W.; Cáceres, B.

      (Wiley-Blackwell, 2015-08)
      Acceso abierto
      The recent hiatus in global warming is likely to be reflected in Andean temperature, given its close dependence on tropical Pacific sea surface temperature (SST). While recent work in the subtropical Andes has indeed ...
    • Recent temperature variability and change in the Altiplano of Bolivia and Peru 

      López-Moreno, J.I.; Morán-Tejeda, E.; Vicente-Serrano, S.M.; Bazo, Juan; Azorin-Molina, C.; Revuelto, J.; Sanchez‐Lorenzo, Arturo; Aguilar, E.; Chura, O.

      (John Wiley and Sons Ltd, 2015-08-26)
      Acceso abierto
      This work analysed the changes in air temperature in 25 meteorological stations in the Altiplano and the surrounding Andean slopes of Bolivia and Peru, and their relationship with El Niño-Southern Oscillation (SO) and the ...
    • 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)
      Embargado
      Satellites 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 ...
    • Soluble trace metals in aerosols over the tropical south-east Pacific offshore of Peru 

      Baker, A.R.; Thomas, M.; Bange, H.W.; Plasencia Sanchez, E.

      (Copernicus GmbH, 2016)
      Acceso abierto
      Meteor cruise M91 was supported by the BMBF projects SOPRAN II and III (FKZ 03F0611A and FKZ 03F662A). We thank the Peruvian authorities for authorising us to conduct the study in their territorial waters. We also would ...
    • 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 abierto
      The 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 ...