Browsing by Author "201-0520372"

Now showing items 1-13 of 13

    • Analysis and optimal design of air quality monitoring networks using a variational approach 
      Henríquez Saa, Adolfo; Osses Alvarado, Axel; Gallardo Klenner, Laura; Díaz Resquín, Melisa (International metereological institute in Stockholm, 2015)
      Air quality networks need revision and optimisation as instruments and network requirements, both scientific and societal, evolve over time. Assessing and optimising the information content of a monitoring network is ...
    • Evaluation of anthropogenic air pollutant emission inventories for South America at national and city scale 
      Huneeus Lagos, Nicolás; van der Gon, Hugo Denier; Castesana, Paula; Menares, Camila; Granier, Claire; Granier, Louise; Alonso, Marcelo; Andrade, María de Fátima; Dawidowski, Laura; Gallardo Klenner, Laura; Gómez, Dario; Klimont, Zbigniew; Janssens-Maenhout, Greet; Osses, Mauricio; Puliafito, ‪Salvador Enrique; Rojas, Néstor; Sánchez- Ccoyllo, Odón; Tolvett, Sebastián; Ynoue, Rita Yuri (Elsevier, 2020)
      The changing composition of the atmosphere, driven by anthropogenic emissions, is the cause of anthropogenic climate change as well as deteriorating air quality. Emission inventories are essential to understand the ...
    • Evaluation of vehicle emission inventories for carbon monoxide and nitrogen oxides for Bogotá, Buenos Aires, ... 
      Gallardo Klenner, Laura; Escribano, Jerónimo; Dawidowski, Laura; Rojas, Néstor; Andrade, Maria de Fátima; Osses Alvarado, Mauricio (PERGAMON-ELSEVIER SCIENCE LTD, 2012-02)
      We use concurrent morning peak observations of carbon monoxide (CO) and nitrogen oxides (NOx) to evaluate mobile emissions estimates for CO and NOx at Bogotá (Colombia), Buenos Aires (Argentina), Santiago (Chile) and São ...
    • Evolution of air quality in Santiago: The role of mobility and lessons from the science-policy interface 
      Gallardo Klenner, Laura; Barraza, Francisco; Ceballos, Andrés; Galleguillos, M.; Huneeus Lagos, Nicolás; Lambert, Fabrice; Ibarra, Cecilia; Munizaga Muñoz, Marcela; O'Ryan, Raul; Osses, Mauricio; Tolvett, Sebastián; Urquiza Gómez, Anahí Verónica; Veliz, Karina D. (Universidad California Press, 2018-05-03)
      Worldwide, urbanization constitutes a major and growing driver of global change and a distinctive feature of the Anthropocene. Thus, urban development paths present opportunities for technological and societal transformations ...
    • Increasing trends (2001–2018) in photochemical activity and secondary aerosols in Santiago, Chile 
      Menares, Camilo; Gallardo Klenner, Laura; Kanakidou, María; Seguel, Rodrigo; Huneeus Lagos, Nicolás (Taylor and Francis, 2020)
      Despite the decline in partially (PM10) and fully (PM2.5) inhalable particles observed in recent decades, Santiago in Chile shows high levels of particle and ozone pollution. Attainment plans have emphasized measures ...
    • Local and remote black carbon sources in the metropolitan area of Buenos Aires 
      Diaz Resquin, Melisa; Santágata, Daniela; Gallardo Klenner, Laura; Gómez, Darío; Rössler, Cristina; Dawidowski, Laura (Elsevier, 2018-06)
      Equivalent black carbon (BBC) mass concentrations in the fine inhalable fraction of airborne particles (PM2.5) were determined using a 7-wavelength Aethalometer for 17 months, between November 2014 and March 2016, for a ...
    • Pollution and its Impacts on the South American Cryosphere 
      Molina, Luisa T.; Gallardo Klenner, Laura; Andrade, M.; Baumgardner, D.; Borbor Córdova, M.; Bórquez, R.; Casassa, Gino; Cereceda Balic, F.; Dawidowski, L.; Garreaud Salazar, René; Huneeus Lagos, Nicolás; Lambert, F.; McCarty, J.L.; Mc Phee Torres, James; Mena Carrasco, M.; Raga, G. B.; Schmitt, C.; Schwarz, J. P. (AGU Publications, 2015)
      This article is a review of the science goals and activities initiated within the framework of the Pollution and its Impacts on the South American Cryosphere (PISAC) initiative. Air pollution associated with biomass burning ...
    • Satellite Retrievals of Aerosol Optical Depth over a Subtropical Urban Area: The Role of Stratification and ... 
      Escribano Alisio, Jerónimo José; Gallardo Klenner, Laura; Rondanelli Rojas, Roberto; Choi, Yong Sang (2014)
      We explore the relationship between satellite retrievals of aerosol optical depth (AOD) and surface aerosol mass concentrations over a subtropical urban area, namely, Santiago, Chile (33.5°S, 70.6°W, 500 m.a.s.l.). We ...
    • Surface ozone in the Southern Hemisphere: 20 years of data from a site with a unique setting in El Tololo, Chile 
      Anet, Julien G.; Steinbacher, Martin; Gallardo Klenner, Laura; Velásquez Álvarez, Patricio A.; Emmenegger, Lukas; Buchmann, Brigitte (Copernicus Gesellschaft, 2017-05-31)
      The knowledge of surface ozone mole fractions and their global distribution is of utmost importance due to the impact of ozone on human health and ecosystems and the central role of ozone in controlling the oxidation ...
    • Temporal evolution of main ambient PM2.5 sources in Santiago, Chile, from 1998 to 2012 
      Barraza, Francisco; Lambert, Fabrice; Jorquera, Héctor; Villalobos, Ana María; Gallardo Klenner, Laura (European Geosciences Union, 2017)
      The inhabitants of Santiago, Chile have been exposed to harmful levels of air pollutants for decades. The city's poor air quality is a result of steady economic growth, and stable atmospheric conditions adverse to mixing ...
    • The first twenty years (1994-2014) of ozone soundings from Rapa Nui (27 degrees S, 109 degrees W, 51 m a.s.l.) 
      Gallardo Klenner, Laura; Henríquez, Adolfo; Thompson, Anne M.; Rondanelli Rojas, Roberto; Carrasco, Jorge; Orfanoz Cheuquelaf, Andrea; Velásquez, Patricio (Taylor & Francis, 2016)
      Ozone (O-3) soundings have been performed on Easter Island or Rapa Nui (27 degrees S, 109 degrees W, 51 m a.s.l.) since 1994 as part of the Global Atmospheric Watch Programme of the World Meteorological Organization. In ...
    • The VAMOS Ocean-Cloud-Atmosphere-Land Study Regional Experiment (VOCALS-REx): goals, platforms, and field ... 
      Wood, R.; Mechoso, C. R.; Bretherton, C. S.; Weller, R. A.; Huebert, B.; Straneo, F.; Albrecht, B. A.; Coe, H.; Allen, G.; Vaughan, G.; Daum, P.; Fairall, C.; Chand, D.; Gallardo Klenner, Laura; Garreaud Salazar, René; Grados, C.; Covert, D. S.; Bates, T. S.; Krejci, R.; Russell, L. M.; Szoeke, S. de; Brewer, A.; Yuter, S. E.; Springston, S. R.; Chaigneau, A.; Toniazzo, T.; Minnis, P.; Abel, S. J.; Brown, W. O. J.; Palikonda, R.; Williams, S.; Fochesatto, J.; Brioude, J.; Bower, K. N. (2011)
      The VAMOS1 Ocean-Cloud-Atmosphere-Land Study Regional Experiment (VOCALS-REx) was an international field program designed to make observations of poorly understood but critical components of the coupled climate system ...
    • Two decades of ozone standard exceedances in Santiago de Chile 
      Seguel Albornoz, Rodrigo; Gallardo Klenner, Laura; Fleming, Zoë L.; Landeros, Sofía (Springer, 2020)
      A drastic decline of 2.4 ppbv decade(-1) in the ozone mixing ratio has been measured in Santiago de Chile during the 2000s. Subsequently, in the 2010s, ozone trends stabilized in downtown and showed upward trends in eastern ...