A5008259689- Atmospheric chemistry and aerosols
- Air Quality and Health Impacts
- Atmospheric Ozone and Climate
- Air Quality Monitoring and Forecasting
- Vehicle emissions and performance
- Atmospheric aerosols and clouds
- Energy and Environment Impacts
- Atmospheric and Environmental Gas Dynamics
- Environmental Justice and Health Disparities
- Hybrid Renewable Energy Systems
- Mining and Resource Management
- Social Acceptance of Renewable Energy
- Biofuel production and bioconversion
- Energy, Environment, and Transportation Policies
- Electric Vehicles and Infrastructure
- Ocean Acidification Effects and Responses
- Thermochemical Biomass Conversion Processes
- Military Technology and Strategies
- Spectroscopy and Laser Applications
- transportation and logistics systems
- Subcritical and Supercritical Water Processes
- Environmental law and policy
- COVID-19 impact on air quality
- Natural Products and Biological Research
- Air Traffic Management and Optimization
Pontificia Universidad Católica de Valparaíso
2021-2024
World Bank Group
2019
Ministry of Health
2014-2016
Universidad Andrés Bello
2008-2014
Research Center for Integrated Disaster Risk Management
2014
Massachusetts Institute of Technology
2008-2010
University of Iowa
2005-2010
Science and Technology Corporation (United States)
2008
Molina Center for Energy and the Environment
2008
Climate models incorporate photosynthesis-climate feedbacks, yet we lack robust tools for large-scale assessments of these processes. Recent work suggests that carbonyl sulfide (COS), a trace gas consumed by plants, could provide valuable constraint on photosynthesis. Here analyze airborne observations COS and carbon dioxide concentrations during the growing season over North America with three-dimensional atmospheric transport model. We successfully modeled persistent vertical drawdown...
Abstract. We describe the large-scale meteorological conditions that affected atmospheric chemistry over Mexico during March 2006 when several field campaigns were conducted in region. In-situ and remote-sensing instrumentation was deployed to obtain measurements of wind, temperature, humidity profiles boundary layer free atmosphere at four primary sampling sites central Mexico. Several models run operationally campaign provide forecasts local, regional, synoptic meteorology as well...
Abstract. This study assesses the ability of recent chemistry version (v3.3) Weather Research and Forecasting (WRF-Chem) model to simulate boundary layer structure, aerosols, stratocumulus clouds, energy fluxes over Southeast Pacific Ocean. Measurements from VAMOS Ocean-Cloud-Atmosphere-Land Study Regional Experiment (VOCALS-REx) satellite retrievals (i.e., products MODerate resolution Imaging Spectroradiometer (MODIS), Clouds Earth's Radiant Energy System (CERES), GOES-10) are used for this...
Abstract. An extensive set of measurements was made in and around Mexico City as part the MILAGRO (Megacity Initiative: Local Global Research Observations) experiments March 2006. Simulations with Model for Ozone Related Chemical Tracers, version 4 (MOZART-4), a global chemical transport model, have been used to provide regional context these observations assist their interpretation. These MOZART-4 simulations reproduce aircraft generally well, but some differences modeled volatile organic...
Abstract. We evaluate a regional-scale simulation with the WRF-Chem model for VAMOS (Variability of American Monsoon Systems) Ocean-Cloud-Atmosphere-Land Study Regional Experiment (VOCALS-REx), which sampled Southeast Pacific's persistent stratocumulus deck. Evaluation VOCALS-REx ship-based and three aircraft observations focuses on analyzing how aerosol loading affects marine boundary layer (MBL) dynamics cloud microphysics. compare local time series campaign-averaged longitudinal...
Abstract Episodic air quality degradation due to particles occurs in multiple cities central and southern Chile during the austral winter reaching levels up 300–800 µg/m 3 hourly PM 2.5 , which can be associated with severe effects on human health. An prediction system is developed predict such events near real time days advance for nine regular monitoring: Santiago, Rancagua, Curicó, Talca, Chillan, Los Ángeles, Temuco, Valdivia, Osorno. The uses Weather Research Forecasting Chemistry model...
Abstract The Anthropocene is an uneven phenomenon. Accelerated shifts in the functioning of Earth System are mainly driven by production and consumption wealthy economies. Social, environmental health costs such industrialization, however, bear on low‐income communities inhabiting severely degraded territories polluting activities (i.e., sacrifice zones). How global, national local socio‐economic governance processes have interacted perpetuating socio‐environmental inequalities these has...
This study introduces a method for identifying territories ideal establishing photovoltaic (PV) plants green hydrogen (GH2) production in the Antofagasta region of northern Chile, location celebrated its outstanding solar energy potential. Assessing viability PV plant installation necessitates balanced consideration technical aspects and socio-environmental constraints, such as proximity to areas ecological importance indigenous communities, identify potential zones non-conventional...
Abstract This article is a review of the science goals and activities initiated within framework P ollution its I mpacts on S outh A merican C ryosphere ( PISAC ) initiative. Air pollution associated with biomass burning urban emissions affects extensive areas South America. We focus black carbon BC aerosol impacts air quality, water availability, climate, an emphasis Andean cryosphere. one key short‐lived climate pollutants that topic growing interest for near‐term mitigation these issues....
Social unrest is on the rise worldwide amid deepening inequalities, environmental degradation, and job crises worsened by increasing social-environmental conflicts. In Chile, a social revolt in 2019 resulted national referendum 2020. An ample majority (78.3% vs. 21.7%) voted to draft new constitution replace current drawn up under dictatorship. The result led emergence empowerment of several organizations demanding an “ecological constitution”. this context, we aim analyze: (1) main...
This study assessed the feasibility of integrating a green hydrogen value chain into local industry, examining two case studies by comparing four scenarios. The optimization focused on generating electricity from stationary renewable sources, such as solar or through Power Purchase Agreements, to produce sufficient in electrolyzers. Current demand profiles, participation targets, supply levelized costs energy and hydrogen, technology options were considered. most cost-effective scenario...
Abstract. The impact of Mexico City (MCMA) emissions is examined by studying its effects on air quality, photochemistry, and ozone production regimes combining model products aircraft observations from the MILAGRO experiment during March 2006. modeled influence MCMA to enhancements in surface level NOx, CO, O3 concentrations (10–30% increase) are confined distances <200 km, near surface. However, extent significantly larger at higher altitudes. Broader impacts (some 900 km Northeast city)...
Abstract. The Sulfur Transport and dEposition Model (STEM) is applied to the analysis of observations obtained during Intercontinental Chemical Experiment-Phase B (INTEX-B), conducted over eastern Pacific Ocean spring 2006. Predicted trace gas aerosol distributions are presented discussed in terms transport source region contributions. Trace species show a strong west (high) east (low) gradient, with bulk pollutant central occurring between ~20° N 50° 2–6 km altitude range. These evaluated...
Chile, abundant in solar and wind energy resources, presents significant potential for the production of green hydrogen, a promising renewable vector. However, realizing this requires an understanding most suitable locations installation hydrogen industries. This study proposes quantitative methodology that identifies ranks public lands industrial use, based on range technical parameters (such as availability) socio-environmental considerations (including land use restrictions population...
Although biofuels present an opportunity for renewable energy production, significant land-use change resulting from may contribute to negative environmental, economic, and social impacts. Here we examined non-GHG air pollution impacts both indirect direct caused by the anticipated expansion of Brazilian production. We synthesized information on fuel loading, combustion completeness, emission factors, developed a spatially explicit approach with uncertainty sensitivity analyses estimate...
During the operational phase of ICARTT field experiment in 2004, regional air quality model STEM showed a strong positive surface bias and negative upper troposphere (compared to observed DC‐8 WP‐3 observations) with respect ozone. After updating emissions from NEI 1999 2001 (with 2004 large point sources inventory update), modifying boundary conditions, low‐level decreases 11.21 1.45 ppbv for NASA observations 8.26 −0.34 NOAA WP‐3. Improvements conditions provided by global models decrease...