Now showing items 77-96 of 162

    • Identifying, attributing, and overcoming common data quality issues of manned station observations 

      Hunziker, Stefan; Gubler, Stefanie; Calle, J.; Moreno, Isabel; Andrade, Marcos; Velarde, Fernando; Ticona, Laura; Carrasco, Gualberto; Castellón, Yaruska; Oria, Clara; Croci-Maspoli, M.; Konzelmann, Thomas; Rohrer, M.; Brönnimann, Stefan

      (John Wiley and Sons Ltd, 2017-03-20)
      Acceso abierto
      In situ climatological observations are essential for studies related to climate trends and extreme events. However, in many regions of the globe, observational records are affected by a large number of data quality issues. ...
    • Impact of climate change on some grapevine varieties grown in Peru for Pisco production 

      Yzarra, Wilfredo; Sanabria, Janeet; Cáceres, Hanna; Solis, Olimpio; Lhomme, J.P.

      (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 ...
    • 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 ...
    • Impacto de ENOS en la Hidrología del Perú (1968-2006) 

      Lavado-Casimiro, W.; Silvestre, Elizabeth; Felipe-Obando, Oscar

      (Servicio Nacional de Meteorología e Hidrología del PerúPE, 2009)
      Acceso abierto
      Los impactos de los años El Niña y La Niña en la hidrología del Perú son evaluados sobre los datos de caudales (1968-2006) de 20 ríos distribuidos sobre las tres vertientes del Perú: 14 en la del Pacífico (VP), 3 en la del ...
    • Impacts of different ENSO flavors and tropical Pacific convection variability (ITCZ, SPCZ) on austral summer rainfall in South America, with a focus on Peru 

      Sulca, Juan; Takahashi, Ken; Espinoza, J.C.; Vuille, M.; Lavado-Casimiro, W.

      (John Wiley and Sons Ltd, 2018-01)
      Acceso abierto
      El Niño in the eastern and central Pacific has different impacts on the rainfall of South America, and the atmospheric pathways through the South Pacific Convergence Zone (SPCZ) and Inter-Tropical Convergence Zone (ITCZ) ...
    • 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 ...
    • Impacts of land use on the hydrological response of tropical Andean catchments 

      Ochoa-Tocachi, B.F.; Buytaert, W.; De Bièvre, B.; Célleri, R.; Crespo, P.; Villacís, M.; Llerena, C.A.; Acosta, L.; Villazón, M.; Guallpa, M.; Gil-Ríos, J.; Fuentes, P.; Olaya, D.; Viñas, P.; Rojas, G.; Arias, S.

      (John Wiley and Sons Ltd, 2016-08-30)
      Acceso abierto
      Changes in land use and land cover are major drivers of hydrological alteration in the tropical Andes. However, quantifying their impacts is fraught with difficulties because of the extreme diversity in meteorological ...
    • 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 cerrado
      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 ...
    • Increased variability of eastern Pacific El Niño under greenhouse warming 

      Cai, Wenju; Wang, G.; Dewitte, Boris; Wu, L.; Santoso, A.; Takahashi, Ken; Yang, Y.; Carréric, A.; McPhaden, M.J

      (Nature Publishing Group, 2018-12)
      Acceso cerrado
      The El Niño–Southern Oscillation (ENSO) is the dominant and most consequential climate variation on Earth, and is characterized by warming of equatorial Pacific sea surface temperatures (SSTs) during the El Niño phase and ...
    • An index concentration method for suspended load monitoring in large rivers of the Amazonian foreland 

      Santini, W.; Camenen, B.; Le Coz, J.; Vauchel, P.; Guyot, J.L.; Lavado-Casimiro, W.; Carranza, Jorge; Paredes, M.; Arévalo, J.J.P.; Arévalo, N.; Villar, R.E.; Julien, F.; Martinez, J.-M.

      (Copernicus GmbH, 2019-06-04)
      Acceso abierto
      Because increasing climatic variability and anthropic pressures have affected the sediment dynamics of large tropical rivers, long-term sediment concentration series have become crucial for understanding the related ...
    • The influence of station density on climate data homogenization 

      Gubler, S.; Hunziker, S.; Begert, M.; Croci-Maspoli, M.; Konzelmann, Thomas; Brönnimann, Stefan; Schwierz, C.; Oria, Clara; Rosas, Gabriela

      (John Wiley and Sons Ltd, 2017-11)
      Relative homogenization methods assume that measurements of nearby stations experience similar climate signals and rely therefore on dense station networks with high-temporal correlations. In developing countries such as ...
    • Integrated assessment and adaptation to climate change impacts in the Peruvian Andes 

      Salzmann, N.; Huggel, C.; Calanca, P.; Díaz, A.; Jonas, T.; Jurt, C.; Konzelmann, Thomas; Lagos, P.; Rohrer, M.; Silverio, W.; Zappa, M.

      (Copernicus GmbH, 2009-11)
      Acceso abierto
      The Andes as mountain regions worldwide, provide fundamental resources, not only for the local population. Due to the topographic characteristics, the potential for natural hazards is higher than elsewhere. In these areas, ...
    • 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 cerrado
      The 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 ...
    • Low-frequency modulation and trend of the relationship between ENSO and precipitation along the northern to centre Peruvian Pacific coast 

      Bourrel, L.; Rau, Pedro; Dewitte, Boris; Labat, David; Lavado-Casimiro, W.; Coutaud, Aude; Vera, Andrea; Alvarado, Abigail; Ordoñez, Julio

      (John Wiley and Sons, 2014-05-21)
      Acceso abierto
      The relationship between El Niño Southern Oscillation (ENSO) and precipitation along the Peruvian Pacific coast is investigated over 1964–2011 on the basis of a variety of indices accounting for the different types of El ...
    • 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 abierto
      In 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 ...
    • Mapping seasonal and annual extreme precipitation over the Peruvian Andes 

      Domínguez-Castro, F.; Vicente-Serrano, S.M.; López-Moreno, J.I.; Correa, Kris; Avalos, Grinia; Azorín-Molina, C.; El Kenawy, A.; Tomas-Burguera, M.; Navarro-Serrano, F.; Peña-Gallardo, M.; Gimeno, L.; Nieto, R.

      (John Wiley and Sons Ltd, 2018-12)
      Acceso cerrado
      Seasonal and annual extreme precipitation over the Peruvian Andes have been mapped for the first time. Maps were developed using the most complete, quality-controlled and homogenous daily precipitation records in Peru from ...
    • Measurements of sulfur dioxide,ozone and ammonia concentrations in Asia,Africa,and South America using passive samplers 

      Carmichae, Gregory R.; Ferm, Martin; Thongboonchoo, Narisara; Woo, Jung-Hun; Chanc, L.Y.; Muranod, Kentaro; Viet, Pham Hung; Mossberg, ,Carl; Bala, Rajasekhlar; Boonjawat, Jariya; Upatum, Pramote; Mohan, Manju; Adhikary, Sharad P.; Shrestha, ,Arun B.; Pienaar, J.J.; Brunke, Ernst B.; Chen, ,Tai; Jiep, Tang; Guoan, Ding; Leong Chow, Peng; Dhiharto, Sri; Harjanto, Hery; Jose, Aida M.; Wilson, Kimani; Kirouane, Abdelmalek; Lacaux, Jean-Pierre; Richard, Sandrine; Barturen, Osvaldo; Carrasco Cerda, Jorge; Athayde, Augusto; Tavares, Tania; Silva Cotrina, José; Bilici, Erdal

      (Elsevier, 2003)
      Acceso abierto
      Measurements of gaseous SO2,NH3,and O3 using IVL passive sampler technology were obtained during a pilot measurement program initiated as a key component of the newly established WMO/GAW Urban Research Meteorology and ...
    • Mechanisms of tropical precipitation biases in climate models 

      Kim, Hanjun; Kang, Sarah M.; Takahashi, Ken; Donohoe, Aaron; Pendergrass, Angeline G.

      (Springer, 2020-10-27)
      We investigate the possible causes for inter-model spread in tropical zonal-mean precipitation pattern, which is divided into hemispherically symmetric and anti-symmetric modes via empirical orthogonal function analysis. ...
    • Meteorological factors and childhood diarrhea in Peru, 2005–2015: a time series analysis of historic associations, with implications for climate change 

      Delahoy, Miranda J.; Cárcamo, César; Huerta, Adrian; Lavado-Casimiro, W.; Escajadillo Fernandez, Yury; Ordoñez, Luis; Vasquez-Apestegui, Vanessa; Lopman, Benjamin; Clasen, Thomas; Gonzales, Gustavo F.; Steenland, Kyle; Levy, Karen

      (BioMed Central Ltd, 2021-02-26)
      Acceso abierto
      Background: Global temperatures are projected to rise by ≥2 °C by the end of the century, with expected impacts on infectious disease incidence. Establishing the historic relationship between temperature and childhood ...
    • Metodología para el diseño de una red de monitoreo para la calidad del aire. Aplicación para la ciudad de Piura 

      Rivera Minaya, Jhicenia; Sánchez Ccoyllo, Odón; Concepción Gamarra, Eric

      (Servicio Nacional de Meteorología e Hidrología del PerúPE, 2011)
      Acceso abierto
      En este estudio se presenta la metodología para el diseño de un sistema de vigilancia de la calidad del aire, compuesto por una red de monitoreo en la ciudad de Piura. Dicha metodología considera los parámetros establecidos ...