Alex Guenther
Biographic Data
| ID | 3599808 |
|---|---|
| NAME | Alex Guenther |
| GIVEN NAMES | Alex |
| FAMILY NAME | Guenther |
| SIGNATURE | GUENTHER A |
| AFFILIATIONS | University of California, Irvine |
| ORCID | 0000-0001-6283-8288 |
| VERIFIED | Yes |
| TOTAL WORKS | 7 |
| TOTAL CITATIONS | 2 |
| AUTHOR COUNT | 5 |
| EDITOR COUNT | 2 |
| FIRST PUBLICATION YEAR | 2012 |
| LATEST PUBLICATION YEAR | 2026 |
| H-INDEX | 1 |
Ozone production characteristics during the Korea-United States Air Quality campaign over the Seoul Metropolitan Area deciphered by observationally constrained hydroxyl radical reactivity
Despite notable reductions in precursor emissions, ambient ozone levels continue to increase in many urban areas, including Seoul, South Korea. This study examines the photochemical ozone production process in the Seoul Metropolitan Area using observational data from the Korea-United States Air Quality (KORUS-AQ) airborne campaign. By analyzing hydroxyl radical reactivity linked to nitrogen oxides (NOX) and volatile organic compounds (VOCs) (RNOx…
Impact of heat stress on foliar biogenic volatile organic compound emission and gene expression in tomato ( Solanum lycopersicum ) seedlings
We present foliar biogenic volatile organic compound (BVOC) emission data from 24-h heat-stressed tomato (Solanum lycopersicum) seedlings including speciated monoterpenes and sesquiterpenes and high time-resolution measurements of methyl salicylate and total monoterpenes. The median total monoterpene and total sesquiterpene emission rates at 30°C were 18.5 and 0.172 pmol m–2 s–1, respectively, which falls within the negligible emission category o…
Factors controlling surface ozone in the Seoul Metropolitan Area during the Korus-AQ campaign
To understand the characteristics of air quality in the Seoul Metropolitan Area, intensive measurements were conducted under the Korea-United States Air Quality (KORUS-AQ) campaign. Trace gases such as O3, NOx, NOy, SO2, CO, and volatile organic compounds (VOCs), photochemical byproducts such as H2O2 and HCHO, aerosol species, and meteorological variables including planetary boundary layer height were simultaneously measured at Olympic Park in Se…
Hydrological controls on the tropospheric ozone greenhouse gas effect
The influence of the hydrological cycle in the greenhouse gas (GHG) effect of tropospheric ozone (O3) is quantified in terms of the O3 longwave radiative effect (LWRE), which is defined as the net reduction of top-of-atmosphere flux due to total tropospheric O3 absorption. The O3 LWRE derived from the infrared spectral measurements by Aura’s Tropospheric Emission Spectrometer (TES) show that the spatiotemporal variation of LWRE is relevant to rel…
Reducing the negative human-health impacts of bioenergy crop emissions through region-specific crop selection
An expected global increase in bioenergy-crop cultivation as an alternative to fossil fuels will have consequences on both global climate and local air quality through changes in biogenic emissions of volatile organic compounds (VOCs). While greenhouse gas emissions may be reduced through the substitution of next-generation bioenergy crops such as eucalyptus, giant reed, and switchgrass for fossil fuels, the choice of species has important ramifi…
The significance of land-atmosphere interactions in the Earth system-iLeaps achievements and perspectives
The Model of Emissions of Gases and Aerosols from Nature version 2.1 (Megan2.1)
The Model of Emissions of Gases and Aerosols from Nature version 2.1 (MEGAN2.1) is a modeling framework for estimating fluxes of biogenic compounds between terrestrial ecosystems and the atmosphere using simple mechanistic algorithms to account for the major known processes controlling biogenic emissions. It is available as an offline code and has also been coupled into land surface and atmospheric chemistry models. MEGAN2.1 is an update from the…
The Model of Emissions of Gases and Aerosols from Nature version 2.1 (Megan2.1)
The Model of Emissions of Gases and Aerosols from Nature version 2.1 (MEGAN2.1) is a modeling framework for estimating fluxes of biogenic compounds between terrestrial ecosystems and the atmosphere using simple mechanistic algorithms to account for the major known processes controlling biogenic emissions. It is available as an offline code and has also been coupled into land surface and atmospheric chemistry models. MEGAN2.1 is an update from the…
Reducing the negative human-health impacts of bioenergy crop emissions through region-specific crop selection
An expected global increase in bioenergy-crop cultivation as an alternative to fossil fuels will have consequences on both global climate and local air quality through changes in biogenic emissions of volatile organic compounds (VOCs). While greenhouse gas emissions may be reduced through the substitution of next-generation bioenergy crops such as eucalyptus, giant reed, and switchgrass for fossil fuels, the choice of species has important ramifi…
The significance of land-atmosphere interactions in the Earth system-iLeaps achievements and perspectives
Hydrological controls on the tropospheric ozone greenhouse gas effect
The influence of the hydrological cycle in the greenhouse gas (GHG) effect of tropospheric ozone (O3) is quantified in terms of the O3 longwave radiative effect (LWRE), which is defined as the net reduction of top-of-atmosphere flux due to total tropospheric O3 absorption. The O3 LWRE derived from the infrared spectral measurements by Aura’s Tropospheric Emission Spectrometer (TES) show that the spatiotemporal variation of LWRE is relevant to rel…
Factors controlling surface ozone in the Seoul Metropolitan Area during the Korus-AQ campaign
To understand the characteristics of air quality in the Seoul Metropolitan Area, intensive measurements were conducted under the Korea-United States Air Quality (KORUS-AQ) campaign. Trace gases such as O3, NOx, NOy, SO2, CO, and volatile organic compounds (VOCs), photochemical byproducts such as H2O2 and HCHO, aerosol species, and meteorological variables including planetary boundary layer height were simultaneously measured at Olympic Park in Se…
Impact of heat stress on foliar biogenic volatile organic compound emission and gene expression in tomato ( Solanum lycopersicum ) seedlings
We present foliar biogenic volatile organic compound (BVOC) emission data from 24-h heat-stressed tomato (Solanum lycopersicum) seedlings including speciated monoterpenes and sesquiterpenes and high time-resolution measurements of methyl salicylate and total monoterpenes. The median total monoterpene and total sesquiterpene emission rates at 30°C were 18.5 and 0.172 pmol m–2 s–1, respectively, which falls within the negligible emission category o…
Ozone production characteristics during the Korea-United States Air Quality campaign over the Seoul Metropolitan Area deciphered by observationally constrained hydroxyl radical reactivity
Despite notable reductions in precursor emissions, ambient ozone levels continue to increase in many urban areas, including Seoul, South Korea. This study examines the photochemical ozone production process in the Seoul Metropolitan Area using observational data from the Korea-United States Air Quality (KORUS-AQ) airborne campaign. By analyzing hydroxyl radical reactivity linked to nitrogen oxides (NOX) and volatile organic compounds (VOCs) (RNOx…
Atmospheric chemistry and aerosols (6 works) · Environmental Science (5 works) · Atmospheric and Environmental Gas Dynamics (3 works) · Atmospheric sciences (3 works) · Greenhouse gas (3 works) · Meteorology (3 works) · Ozone (3 works) · Air Quality and Health Impacts (2 works) · Air quality index (2 works) · Biology (2 works)