01. Artículos Científicos: Recent submissions

    • Revisiting wintertime cold air intrusions at the east of the Andes: propagating features from subtropical Argentina to Peruvian Amazon and relationship with large-scale circulation patterns 

      Espinoza, J.C.; Ronchail, Josyane; Lengaigne, Matthieu; Quispe, Nelson; Silva, Yamina; Bettolli, Maria Laura; Avalos, Grinia; Llacza Rodríguez, Alan

      (Springer, 2012-12-29)
      Acceso abierto
      This study investigates the spatial and temporal characteristics of cold surges that propagates northward along the eastern flank of the Andes from subtropical to tropical South America analysing wintertime in situ daily ...

    • The 2017 coastal El Niño 

      Takahashi, Ken; Aliaga Nestares, Vannia; Avalos, Grinia; Bouchon, M.; Castro, Anabel; Cruzado, L.; Dewitte, Boris; Gutiérrez, B.; Lavado-Casimiro, W.; Marengo, José A.; Mosquera-Vásquez, K.; Quispe, Nelson

      (American Meteorological Society, 2018-08)
      Acceso abierto
      The original concept of El Niño consisted of anomalously high sea surface temperature and heavy rainfall along the arid northern coast of Peru (Carranza 1891; Carrillo 1893). The concept evolved into the El Niño–Southern ...

    • Heavy Snowfalls in the peruvian Andes: the wettest winter of the last 19 years 

      Ramos, Isabel; Aliaga Nestares, Vannia; Castro, Anabel

      (American Meteorological Society, 2019-09)
      Acceso abierto
      Most meteorological stations in the central and southern Peruvian Andes also received heavy rainfall in June and July. On 2 June, Ananea, which is located in Puno at 4660 m a.s.l., recorded 32.5 mm (monthly climatology ...

    • 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)
      Embargado
      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 ...

    • Ozone and volatile organic compounds in the metropolitan area of Lima-Callao, Peru 

      Silva, José; Rojas Quincho, Jhojan Pool; Norabuena Espinoza, Magdalena; Seguel, Rodrigo J.

      (Springer, 2018-07-26)
      This study analyzes ozone formation in the metropolitan area of Lima-Callao as a function of meteorological patterns and the concentrations of nitrogen oxides and reactive organic gases. The study area is located on the ...

    • Radar-Observed Characteristics of Precipitation in the Tropical High Andes of Southern Peru and Bolivia 

      Endries, J. L.; Perry, L. B.; Yuter, S. E.; Seimon, Anton; Andrade, Marcos; Winkelmann, Ronald; Quispe, Nelson; Rado, Maxwell; Montoya, Nilton; Velarde, Fernando; Arias, S.

      (American Meteorological Society, 2018-07-06)
      This study used the first detailed radar measurements of the vertical structure of precipitation obtained in the central Andes of southern Peru and Bolivia to investigate the diurnal cycle and vertical structure of ...

    • Characteristics of Precipitating Storms in Glacierized Tropical Andean Cordilleras of Peru and Bolivia 

      Perry, L. B.; Seimon, Anton; Andrade, Marcos; Endries, J. L.; Yuter, S. E.; Velarde, Fernando; Arias, S.; Bonshoms, Marti; Burton, E.J.; Winkelmann, I. R.; Cooper, C.M.; Mamani, G.; Rado, M.; Montoya, N.; Quispe, Nelson

      (Taylor & Francis, 2016-06-01)
      Acceso cerrado
      Precipitation variability in tropical high mountains is a fundamental yet poorly understood factor influencing local climatic expression and a variety of environmental processes, including glacier behavior and water ...

    • Particulate matter levels in a South American megacity: the metropolitan area of Lima-Callao, Peru 

      Silva, José; Rojas Quincho, Jhojan Pool; Norabuena Espinoza, Magdalena; Molina, Carolina; Toro, Richard; Leiva-Guzmán, Manuel A.

      (Springer, 2017-11-13)
      Acceso cerrado
      The temporal and spatial trends in the variability of PM10 and PM2.5 from 2010 to 2015 in the metropolitan area of Lima-Callao, Peru, are studied and interpreted in this work. The mean annual concentrations of PM10 and ...

    • The role of ENSO flavours and TNA on recent droughts over Amazon forests and the Northeast Brazil region 

      Jimenez, Juan C.; Marengo, José A.; Alves, Lincoln M.; Sulca, Juan; Takahashi, Ken; Ferrett, Samantha; Collins, Matthew

      (Royal Meteorological Society, 2019-12-27)
      Acceso restringido
      Amazon tropical forests and the semiarid Northeast Brazil (NEB) region have registered very severe droughts during the last two decades, with a frequency that may have exceeded natural climate variability. Severe droughts ...

    • Change in strong Eastern Pacific El Niño events dynamics in the warming climate 

      Carréric, Aude; Dewitte, Boris; Cai, Wenju; Capotondi, Antonietta; Takahashi, Ken; Yeh, Sang-Wook; Wang, Guojian; Guémas, Virginie

      (Springer, 2020)
      Acceso restringido
      While there is evidence that ENSO activity will increase in association with the increased vertical stratification due to global warming, the underlying mechanisms remain unclear. Here we investigate this issue using the ...

    • Ocean climate observing requirements in support of climate research and climate information 

      Stammer, D; Bracco, A.; AchutaRao, K.; Beal, Lisa; Bindoff, Nathaniel L.; Braconnot, Pascale; Cai, Wenju; Chen, Dake; Collins, Matthew; Danabasoglu, Gokhan; Dewitte, Boris; Farneti, Riccardo; Fox-Kemper, Baylor; Fyfe, John; Griffies, Stephen; Jayne, Steven R.; Lazar, Alban; Lengaigne, Matthieu; Lin, Xiaopei; Marsland, Simon; Shoshiro, Minobe; Monteiro, Pedro M. S.; Robinson, Walter; Roxy, Mathew Koll; Rykaczewski, Ryan R.; Speich, Sabrina; Smith, Inga J.; Solomon, Amy; Storto, Andrea; Takahashi, Ken; Toniazzo, Thomas; Vialard, Jerome

      (Frontiers in Earth Science, 2019-07-31)
      Natural variability and change of the Earth’s climate have significant global societal impacts. With its large heat and carbon capacity and relatively slow dynamics, the ocean plays an integral role in climate, and provides ...

    • Tropical Pacific observing system 

      Smith, N.; Kessler, W.S.; Cravatte, S.; Sprintall, J.; Wijffels, S.; Cronin, M.F.; Sutton, A.; Serra, Y.L.; Dewitte, Boris; Strutton, P.G.; Hill, K.; Gupta, A.S.; Lin, Xiaopei; Takahashi, Ken; Chen, D.; Brunner, Shelby

      (Frontiers in Earth Science, 2019-02-18)
      This paper reviews the design of the Tropical Pacific Observing System (TPOS) and its governance and takes a forward look at prospective change. The initial findings of the TPOS 2020 Project embrace new strategic approaches ...

    • Editorial : Tropical Climate Variability and Change: Impacts in the Amazon 

      Jimenez, Juan C.; Takahashi, Ken

      (Frontiers in Earth Science, 2019-08-26)
      Vast amounts of data from satellites and ground-based systems, and improvements on modeling techniques, allows a better understanding of Earth processes and advances on climate science. The tropics play a key role on global ...

    • Climatology of extreme cold events in the central Peruvian Andes during austral summer: origin, types and teleconnections 

      Sulca, Juan; Vuille, Mathias; Roundy, Paul; Takahashi, Ken; Espinoza, J.C.; Silva, Yamina; Trasmonte, Grace; Zubieta, R.

      (Royal Meteorological Society, 2018-08-30)
      Acceso abierto
      The climatological and large‐scale characteristics of the extreme cold events (ECEs) in the central Peruvian Andes (Mantaro basin (MB)) during austral summer (January–March) are examined using reanalysis, gridded and in ...

    • Spatio-temporal patterns of thermal anomalies and drought over tropical forests driven by recent extreme climatic anomalies 

      Jimenez, Juan C.; Barichivich, Jonathan; Mattar, Cristian; Takahashi, Ken; Santamaría-Artigas, Andrés; Sobrino, José A.; Malhi, Yadvinder

      (The Royal Society, 2018-08-23)
      The recent 2015– 2016 El Niño (EN) event was considered as strong as the EN in 1997–1998. Given such magnitude, it was expected to result in extreme warming and moisture anomalies in tropical areas. Here we characterize ...

    • 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. ...

    • Recent changes in monthly surface air temperature over Peru, 1964–2014 

      Vicente-Serrano, S.M.; López-Moreno, J.I.; Correa, Kris; Avalos, Grinia; Bazo, Juan; Azorín-Molina, C.; Domínguez-Castro, F.; Kenawy, A.E.

      (John Wiley and Sons Ltd, 2018-01)
      Embargado
      This study assessed changes in the maximum and minimum surface air temperatures across Peru during the period 1964–2014. For this purpose, we employed the most complete records of air temperature series that were also ...

    • 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 ...

    • 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 environmental watch system for the andean countries: El observatorio andino 

      Muñoz, Ángel G.; López, P.; Velásquez, R.; Monterrey, L.; León, G.; Ruiz, F.; Recalde, C.; Cadena, J.; Mejía, R.; Paredes, M.; Bazo, Juan

      (American Meteorological Society, 2010-09)
      Acceso abierto
      Observatorio Andino (OA) was established in 2008 by The Centro de Modelado Científico (CMC) in collaboration with Climate information applied to agricultural risk management in the Andean countries (CIIFEN). The OA main ...