Search Results - "Gonzalez Abad, Gonzalo"
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Formaldehyde (HCHO) As a Hazardous Air Pollutant: Mapping Surface Air Concentrations from Satellite and Inferring Cancer Risks in the United States
Published in Environmental science & technology (16-05-2017)“…Formaldehyde (HCHO) is the most important carcinogen in outdoor air among the 187 hazardous air pollutants (HAPs) identified by the U.S. Environmental…”
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Revisiting the effectiveness of HCHO/NO2 ratios for inferring ozone sensitivity to its precursors using high resolution airborne remote sensing observations in a high ozone episode during the KORUS-AQ campaign
Published in Atmospheric environment (1994) (01-03-2020)“…The nonlinear chemical processes involved in ozone production (P(O3)) have necessitated using proxy indicators to convey information about the primary…”
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A Robust Bad-Pixel Radiance Reconstruction for the Geostationary Environment Monitoring Spectrometer (GEMS) - Influences on Aerosol Retrieval
Published in IEEE transactions on geoscience and remote sensing (01-01-2024)“…The Geostationary Environment Monitoring Spectrometer (GEMS), launched in February 2020, performs hourly measurements of earthshine radiances to retrieve…”
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A physics-based approach to oversample multi-satellite, multispecies observations to a common grid
Published in Atmospheric measurement techniques (18-12-2018)“…Satellite remote sensing of the Earth's atmospheric composition usually samples irregularly in space and time, and many applications require spatially and…”
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An inversion of NOx and non-methane volatile organic compound (NMVOC) emissions using satellite observations during the KORUS-AQ campaign and implications for surface ozone over East Asia
Published in Atmospheric chemistry and physics (24-08-2020)“…The absence of up-to-date emissions has been a major impediment to accurately simulating aspects of atmospheric chemistry and to precisely quantifying the…”
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An improved OMI ozone profile research product version 2.0 with collection 4 L1b data and algorithm updates
Published in Atmospheric measurement techniques (04-04-2024)“…We describe the new and improved version 2 of the ozone profile research product from the Ozone Monitoring Instrument (OMI) on the Aura satellite. One of the…”
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Towards a Satellite Formaldehyde – in situ Hybrid Estimate for Organic Aerosol Abundance
Published in Atmospheric chemistry and physics (04-03-2019)“…Organic aerosol (OA) is one of the main components of the global particulate burden and intimately links natural and anthropogenic emissions with air quality…”
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Validation and update of OMI Total Column Water Vapor product
Published in Atmospheric chemistry and physics (14-09-2016)“…The collection 3 Ozone Monitoring Instrument (OMI) Total Column Water Vapor (TCWV) data generated by the Smithsonian Astrophysical Observatory's (SAO)…”
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Source and variability of formaldehyde (HCHO) at northern high latitudes: an integrated satellite, aircraft, and model study
Published in Atmospheric chemistry and physics (03-06-2022)“…Here we use satellite observations of formaldehyde (HCHO) vertical column densities (VCD) from the TROPOspheric Monitoring Instrument (TROPOMI), aircraft…”
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Nitrogen dioxide and formaldehyde measurements from the GEOstationary Coastal and Air Pollution Events (GEO-CAPE) Airborne Simulator over Houston, Texas
Published in Atmospheric measurement techniques (30-10-2018)“…The GEOstationary Coastal and Air Pollution Events (GEO-CAPE) Airborne Simulator (GCAS) was developed in support of NASA's decadal survey GEO-CAPE…”
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Updated OMI Glyoxal Column Measurements Using Collection 4 Level 1B Radiances
Published in Earth and space science (Hoboken, N.J.) (01-09-2024)“…Abstract This study presents new glyoxal (CHOCHO) products from the Ozone Monitoring Instrument (OMI) by utilizing updated level 1B irradiance/radiance data…”
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A Fast Retrieval of Cloud Parameters Using a Triplet of Wavelengths of Oxygen Dimer Band around 477 nm
Published in Remote sensing (Basel, Switzerland) (01-01-2021)“…Clouds act as a major reflector that changes the amount of sunlight reflected to space. Change in radiance intensity due to the presence of clouds interrupts…”
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Radiative transfer acceleration based on the principal component analysis and lookup table of corrections: optimization and application to UV ozone profile retrievals
Published in Atmospheric measurement techniques (07-04-2021)“…In this work, we apply a principal component analysis (PCA)-based approach combined with lookup tables (LUTs) of corrections to accelerate the Vector…”
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Global Formaldehyde Products From the Ozone Mapping and Profiler Suite (OMPS) Nadir Mappers on Suomi NPP and NOAA‐20
Published in Earth and space science (Hoboken, N.J.) (01-05-2023)“…We describe new publicly available, multi‐year formaldehyde (HCHO) data records from the Ozone Mapping and Profiler Suite (OMPS) nadir mapper (NM) instruments…”
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Nitrogen Dioxide Observations from the Geostationary Trace Gas and Aerosol Sensor Optimization (GeoTaso) Airborne Instrument: Retrieval Algorithm and Measurements During DISCOVER-AQ Texas 2013
Published in Atmospheric measurement techniques (23-06-2016)“…The Geostationary Trace gas and Aerosol Sensor Optimization (GeoTASO) airborne instrument is a test bed for upcoming air quality satellite instruments that…”
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An Observing System Simulation Experiment Analysis of How Well Geostationary Satellite Trace‐Gas Observations Constrain NOx Emissions in the US
Published in Journal of geophysical research. Atmospheres (28-01-2024)“…We investigate the benefit of assimilating high spatial‐temporal resolution nitrogen dioxide (NO2) measurements from a geostationary (GEO) instrument such as…”
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An Inversion Framework for Optimizing Non‐Methane VOC Emissions Using Remote Sensing and Airborne Observations in Northeast Asia During the KORUS‐AQ Field Campaign
Published in Journal of geophysical research. Atmospheres (16-04-2022)“…We aim to reduce uncertainties in CH2O and other volatile organic carbon (VOC) emissions through assimilation of remote sensing data. We first update a…”
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Explicit Aerosol Correction of OMI Formaldehyde Retrievals
Published in Earth and space science (Hoboken, N.J.) (01-11-2019)“…Atmospheric aerosols are significant sources of uncertainty in air mass factor (AMF) calculations for trace gas retrievals using ultraviolet measurements from…”
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Multi-scale correlation reveals the evolution of socio-natural contributions to tropospheric HCHO over China from 2005 to 2022
Published in The Science of the total environment (01-12-2024)“…Monitoring the spatiotemporal distribution of formaldehyde (HCHO) is crucial for reducing volatile organic compounds (VOCs) emissions, and the long-term…”
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Chinese Regulations Are Working—Why Is Surface Ozone Over Industrialized Areas Still High? Applying Lessons From Northeast US Air Quality Evolution
Published in Geophysical research letters (16-07-2021)“…Observational data indicate increasing trends of surface ozone (O3) in China, despite emission controls that have resulted in reductions of precursor…”
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