2022
DOI: 10.1175/bams-d-20-0187.1
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The SALTENA Experiment: Comprehensive Observations of Aerosol Sources, Formation, and Processes in the South American Andes

Abstract: This paper presents an introduction to the Southern hemisphere high altitude experiment on particle nucleation and growth (SALTENA). This field campaign took place between December 2017 and June 2018 (wet to dry season) at Chacaltaya (CHC), a GAW (Global Atmosphere Watch) station located at 5240 m a.s.l. in the Bolivian Andes. Concurrent measurements were conducted at two additional sites in El Alto (4000 m a.s.l.) and La Paz (3600 m a.s.l.). The overall goal of the campaign was to identify the sources, unders… Show more

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Cited by 17 publications
(51 citation statements)
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“…The Chacaltaya (CHC) regional GAW station (16.35023°S, 68.13143°W) lies at an altitude of 5,240 m asl. in tropical Bolivia (Andrade et al., 2015; Bianchi et al., 2022) (see Figure 3a, Figure S1 in Supporting Information ), more than 1,000 m above but only ∼16 km away from the major urban agglomeration of La Paz/El Alto. CHC samples mostly free tropospheric air, but can be influenced by the planetary boundary layer of the surrounding Altiplano, mainly during daytime (Aliaga et al., 2021; Andrade et al., 2015; Chauvigné et al., 2019).…”
Section: Methodsmentioning
confidence: 99%
“…The Chacaltaya (CHC) regional GAW station (16.35023°S, 68.13143°W) lies at an altitude of 5,240 m asl. in tropical Bolivia (Andrade et al., 2015; Bianchi et al., 2022) (see Figure 3a, Figure S1 in Supporting Information ), more than 1,000 m above but only ∼16 km away from the major urban agglomeration of La Paz/El Alto. CHC samples mostly free tropospheric air, but can be influenced by the planetary boundary layer of the surrounding Altiplano, mainly during daytime (Aliaga et al., 2021; Andrade et al., 2015; Chauvigné et al., 2019).…”
Section: Methodsmentioning
confidence: 99%
“…To identify the specific source regions of chemical species measured at CHC, the SRR from FLEXPART can be combined with the in-situ measurements of such species via an elastic net regression (Pedregosa et al 2011). The same 265 method was used to identify likely sources of black carbon measured at CHC (Bianchi et al, 2021). In contrast to Bianchi et al (2021), however, we included also the lateral boundaries of the FLEXPART domain in the footprint analysis to visualize the long-range transport into the domain through these boundaries.…”
Section: Aliaga Et Al (2021) Used a High-resolution Meteorological Mo...mentioning
confidence: 99%
“…The same 265 method was used to identify likely sources of black carbon measured at CHC (Bianchi et al, 2021). In contrast to Bianchi et al (2021), however, we included also the lateral boundaries of the FLEXPART domain in the footprint analysis to visualize the long-range transport into the domain through these boundaries.…”
Section: Aliaga Et Al (2021) Used a High-resolution Meteorological Mo...mentioning
confidence: 99%
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