HelioWebUniversity of California, Berkeley, Department of Chemistry
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- A Prototype Field Instrument for Detection of the Nitrate Radical by Laser-Induced Fluorescence
- Anomalous Oxygen Isotopic Composition of Tropospheric CO<SUB>2</SUB> as a Potential Tracer of Biosphere Productivity
- Fast response inlet and converter for nitric acid concentration and eddy correlation flux measurements
- Intercomparison of NO<SUB>y</SUB> chemiluminescence and TD-LIF measurements at the University of California - Blodgett Forest Research Station
- LIF Detection of NO2 Using a CW Diode Laser Combined with a Supersonic Jet
- Measurements of the D/H and <SUP>13</SUP>C/<SUP>12</SUP>C Isotope Ratios in Stratospheric CH<SUB>4</SUB> from the POLARIS, STRAT, and SOLVE Campaigns
- Modeling δ <SUP>13</SUP>C and δ D of Stratospheric Methane: Implications for Kinetic Isotope Effects and the Isotopic Composition of Tropospheric Methane
- Observations of NO<SUB>2</SUB>, Σ PANS, Σ Alkyl Nitrates and HNO<SUB>3</SUB> During the TEXAQS-2000 Campaign
- The Role of Biogeochemical Dynamics in the Alteration of Uranium Solid Phases Under Oxic Conditions.
- Deuterium Enrichment in Stratospheric Molecular Hydrogen
- Experimental Investigations of Anomalous Oxygen Isotope Effects in the Photolysis of CO<SUB>2</SUB>
- Observations of Peroxynitrates in the Remote Troposphere
- Observations of Total Alkyl Nitrates During TEXAQS-2000
- Photochemical formation rates and optical properties of organic aerosols through time-resolved in situ laboratory measurements
- Relationships Between Total Alkyl Nitrates, Total Peroxy Nitrates, Biogenic VOCs and O<SUB>3</SUB> at Granite Bay, CA
- The Hydrogen Isotopic Composition of Water Vapor Entering the Stratosphere Inferred From High Precision CH<SUB>4</SUB> and H<SUB>2</SUB> Measurements
- Variations in the Mass Absorption Efficiency of Elemental Carbon as Measured From the C-130 During ACE-Asia
- 17O as a new tracer of the hydrological cycle
- Distribution of Reactive Nitrogen in the Sierra Nevada Foothills
- Modeling the Extreme Deuterium Enrichment in Stratospheric Hydrogen
- Raman Lasing and Cavity Resonances in Water Micro-Droplets: Possible Effects on Shortwave Cloud Forcing
- Sensitive Amino Acid Composition and Chirality Analysis in the Martian Regolith with a Microfabricated in situ Analyzer
- A Novel Approach to Eddy Covariance Fluxes of NO<SUB>2</SUB>, Σ PNs, Σ ANs and HNO<SUB>3</SUB>
- Analysis of the Weekend Effect in Ozone in Central California Using Speciated NO<SUB>y</SUB> and VOC Measurements
- Modeling the Photochemical Origins of Deuterium Enrichment in Stratospheric H<SUB>2</SUB>
- Partition of the relative contribution of nitrification and denitrification from Amazon forest soils using a model based on bulk <SUP>15</SUP>N of N<SUB>2</SUB>O natural abundance determinations.
- Sensitive Amino Acid Composition and Chirality Analysis with the Mars Organic Analyzer (MOA)
- A multi-platform analysis of the North American reactive nitrogen budget during the ICARTT summer intensive
- Advances in Automation and Throughput of the Mars Organic Analyzer Microchip Capillary Electrophoresis System
- Application of Spectral Analysis to HNO3 Fluxes Over Blodgett Forest
- Assessing Convective Influence by Utilizing Cloud to Ground Lightning Data and High Resolution Kinematic Trajectories
- Biosphere-atmosphere exchange of the reactive nitrogen oxides over a mid-elevation Sierra Nevada forest
- Comparison of SCIAMACHY Tropospheric NO2 Columns With In-Situ Aircraft Measurements During ICARTT
- Development of a Thermal Dissociation Chemiluminescence Instrument for In Situ Detection of HONO
- Isotope Fractionation During Evaporation of Water Without Condensation
- Lagrangian Characterization of the Sources and Chemical Transformation of Airmasses Observed by the NASA DC-8 During ICARTT/INTEX-A
- Lagrangian Model of the Sacramento Urban Plume
- Mass-47 of Atmospheric CO2: Tropospheric Seasonal Variations and Stratospheric Anomalies
- Measurement of HO2NO2 in the upper troposphere during INTEX-NA
- Photochemical Production and Release of NO2 from Nitrate-Doped Water Ice
- Profile measurements and OMI NO2 retrievals: New results from validation campaigns
- The Effects of Climate Change on Biogenic VOCs and Regional Air Quality in California
- Uncertain Isoprene Emissions and Chemistry: Implications for Ozone in the Eastern United States
- Influence of lightning NOx on the summertime upper tropospheric ozone enhancement above eastern North America
- Measurements and Simulation of Hydroxyl and Hydroperoxy Radical Chemistry From Isoprene Oxidation in the Purdue Photochemical Reactor
- Observations of Slowed Photochemistry in the Presence of Fire Produced UV Absorbing Aerosols
- Validation and Interpretation of OMI Tropospheric NO2 Observations During INTEX- B
- Validation of the OMI Tropospheric NO2 Standard Product Using Measurements From INTEX-B
- A Brief Overview of INTEX-B and OVOC Observations Over Mexico City, Gulf of Mexico, and the Pacific Ocean
- Calculations of the Chemical Composition of the Sacramento Urban Plume
- Can we Detect an Influence over North America From Increasing Asian NOx Emissions?
- Day-of-week Effects in Ozone, Nitrogen Oxides, and VOC Reactivity Within and Downwind of Sacramento
- Detection of NO3 and N2O5 by thermal dissociation with LIF detection of NO2 and NO3
- NOy partitioning and the role of alkyl nitrates in Tecamac, Mexico
- Photochemistry Within Plumes of Various Origin During INTEX-B: A Case Study From May 5
- Trans-Pacific Transport of Ozone and Reactive Nitrogen in Spring
- Validation of OMI tropospheric NO2 observations during INTEX-B and Application to Constrain NOx Emissions Over the Eastern United States and Mexico
- Assessing scales of variability for atmospheric composition field data relevant to future Decadal Survey satellite observations
- Atmospheric Observations of Abundant Formaldehyde Above a Coniferous Forest Provides Further Evidence of Rapid Oxidation of Arboreal Hydrocarbons
- Chemical Contribution to the Flux of Acyl Peroxy Nitrates (PAN, PPN, MPAN) Measured Above a Ponderosa Pine Forest During BEARPEX-2007
- Closing the Peroxy Acetyl (PA) Radical Budget: Observations of Acyl Peroxy Nitrates (PAN, PPN, and MPAN) During BEARPEX 2007
- HOx chemistry in and above a forest canopy in seasonal transition
- Heterogeneous OH oxidation of organic aerosols
- Lightning-generated NOx seen by OMI during NASA's TC4 experiment: First results
- Measurement of Nitrous Acid in Blodgett Forest during BEARPEX 2007
- Meridional Variation in Stratospheric 13C18O16O
- Observed Secondary Organic Aerosol (SOA) and Organic Nitrate Yields From NO3 Oxidation of b-pinene and Limonene
- Observed secondary organic aerosol (SOA) and organic nitrate yields from NO3 oxidation of isoprene
- On the Use of Boundary Layer NO2 Observations From an Airborne Platform for Satellite Validation
- The Spatial Resolution Needed from Models and Satellite-based Measurements to Accurately Predict NOx Emissions
- Assessing Scales of Variability for Constituents Relevant to Future Geostationary Satellite Observations and Models of Air Quality
- Chemistry of hydrogen oxide (HOx) radicals in the Arctic troposphere in spring
- Detection of aerosol organic nitrate and ammonium nitrate by Thermal Dissociation - Laser Induced Fluorescence
- Diurnal variation of column NO2 observed from space
- Exploring the roles of temperature and NOx on ozone production in the Sacramento urban plume
- Forest-Atmosphere Exchange of Acyl Peroxy Nitrates (PAN, PPN, MPAN) Measured in the Western Sierra Nevada During BEARPEX 2009
- Gradient Measurements of NO, NO2, Total Peroxy Nitrates, Total Alkyl Nitrates, and Nitric Acid during BEARPEX-2009
- Is NO3/N2O5 chemistry a source of aerosol HNO3 in the San Joaquin Valley?
- Measurements and modeling of contemporary carbon-14 levels in the stratosphere to constrain stratospheric dynamics and the global carbon cycle
- Nitrogen oxide fluxes over a ponderosa pine plantation during BEARPEX-2009
- Non-mass-dependent Oxygen Isotope Effects in Ozone Formation: Bath Gas and Pressure Dependence
- Observations of Alkyl Nitrates during ARCTAS: Investigation of the low NOx Chemistry of Isoprene Nitrates
- Satellite radiative power-based emission factors for nitrogen oxides from wildland fires in California
- Seasonal Variability of Halocarbon Emissions in California and The United States
- The Anomalous Oxygen Isotopic Composition of Carbon Dioxide: Photochemical Experiments, Kinetics Modeling, and Stratospheric Observations
- The Thermal Dissociation-Laser Induced Fluorescence (TD-LIF) technique for total Peroxy Nitrates (PNs) and comparisons to speciated PAN measurements
- The effect of local and regional sources on the isotopic composition of nitrous oxide in the tropical free troposphere and tropopause layer
- The evolution of capturing reliable isotopic water vapor signatures: An intercomparison of measurement techniques (Invited)
- Understanding the impact of isoprene nitrates on ozone using recent advances in isoprene photooxidation chemistry
- Constraints on urban VOC emissions from day of week measurements of column NO2
- Flux-gradient relationships of nitrogen oxides over a ponderosa pine plantation during BEARPEX-2009
- Improved parameterization of wildfire NOx emissions using MODIS fire radiative power and OMI tropospheric NO2 columns
- Improving satellite retrievals of NO2 in biomass burning regions
- Kinetics and Products of Heterogeneous Oxidation of Oleic acid, Linoleic acid and Linolenic acid in Aerosol Particles by Hydroxyl radicals
- Measurements of Isotope Effects in N2 Photoionization
- Nitrogen oxides and PAN in plumes from boreal fires during ARCTAS-B and their impact on ozone: An integrated analysis of aircraft and satellite observations
- OH, HO2, and OH Reactivity Behavior in the Southern San Joaquin Valley during CalNex 2010
- Organic Nitrates from Isoprene during BEARPEX-2009
- Ozone Production in the Southern San Joaquin Valley: A NOx Perspective
- Sensitivty of ozone production to organic nitrate formation in Sacramento and Los Angeles
- The Role of Chemistry in Atmosphere-Forest Exchange (Invited)
- The non-mass-dependent oxygen isotopic composition of CO2 in the stratosphere and laboratory: Evidence for another anomalous kinetic isotope effect beyond ozone formation?
- Evaluation of NOx emission inventories in California using multi-satellite data sets, in-situ airborne measurements, and regional model simulations during the CalNex 2010 field campaign
- Evidence for unexpected peroxy nitrates and their atmosphere-biosphere exchange
- Gadolinium Gallium Garnet at Multi-Megabar Pressures
- Gas- and aerosol-phase chemistry of nitrogen oxides (NOy) in a pine forest (BEACHON-RoMBAS 2011)
- Gas/Particle partitioning of total alkyl nitrates measured in Bakersfield during CALNEX
- Geochronology and Regional Correlation of Continental Permo-Triassic Sediments in West Texas
- Heterogeneous oxidation of unsaturated organic aerosols
- Impacts of organic nitrate chemistry on NOx and O3 in California: Model results and comparisons to observations
- Nitryl Chloride (ClNO2) from Sea to Shining Sea: A comparison of observations in the coastal Pacific and North Atlantic
- Observational constraints on projections of the ozone response to NOx controls in the Southern San Joaquin Valley
- Oxidation photochemistry in the Southern San Joaquin Valley during CalNex 2010
- Sources of variability in global fire NOx emissions: a satellite perspective
- Surface multiheme c-type cytochromes from Thermincola potens: Implications for dissimilatory metal reduction by Gram-positive bacteria
- What is the spatial variability of column NO2? Implications for understanding OH and NOx lifetime
- Development of weathering profile of a forest hillslope in clay-rich sedimentary system
- Evaluation of NOx emission inventories in California using multi-satellite data sets, AMAX-DOAS and in-situ airborne measurements, and regional model simulations during the CalNex field campaign
- Observations of a seasonal cycle in NOx emissions from fires in the African savanna
- Using Back Trajectories to Analyze Volatile Organic Compound Source Distributions in California's San Joaquin Valley
- Aerosol Composition and Variability in the San Joaquin Valley Measured during DISCOVER-AQ
- Evaluation of NOx emission inventories in California using multi-satellite data sets, AMAX-DOAS and in-situ airborne measurements, and regional model simulations during the CalNex field campaign
- Formation Routes For Pure and N-substituted Cyclic Hydrocarbon Molecules in The Ionosphere of Titan
- Heterogeneous oxidation products of branched and linear unsaturated hydrocarbons as characterized by two-dimensional gas chromatography with high-resolution time-of-flight mass spectrometry
- Observations of atmospheric methyl peroxy nitrate during the Deep Convective Clouds and Chemistry experiment
- On the Temperature Dependence of Organic Reactivity, Ozone Production, and the Impact of Emissions Controls in San Joaquin Valley California
- Reactive Nitrogen Partitioning and its Relationship to Winter Ozone Events in Utah
- The non-mass-dependent oxygen isotopic composition of CO<SUB>2</SUB> formed by O+CO: Anomalous isotope effects in the O+CO recombination reaction or transfer from ozone?
- Assessing Ozone Chemistry Using Observations of Alkyl Nitrates during Summer in Colorado
- Lab-on-a-Chip Instrumentation and Method for Detecting Trace Organic and Bioorganic Molecules in Planetary Exploration: The Enceladus Organic Analyzer (EOA)
- Observations of Particle Organic Nitrate from Airborne and Ground Platforms in North America: Insights into Vertical and Geographical Distributions, Gas/Particle Partitioning, Losses, and Contributions to Total Particle Nitrate.
- On the Role of Organic Nitrates, RONO<SUB>2</SUB>, in the NO<SUB>x</SUB> Budget: Constraints from Measurements During SOAS
- The Relative Roles of RONO<SUB>2</SUB> and HNO<SUB>3</SUB> as Sinks of NO<SUB>X</SUB> in the Denver Metropolitan Region and Colorado's Front Range
- Transient Absorption Spectroscopy of C1 and C2 Criegee Intermediates: UV Spectrum and Reaction Kinetics
- Validation of Point Source Emissions of SO<SUB>2</SUB> Using Aircraft Data
- Dynamics of radiocesium exchange and interstratification in anhydrous clay interlayers: Bridging the atom and single crystal scales
- Effect of Surfactants on the Growth of Individual Cloud Droplets
- Oxidation of Tree Oil Containing a Complex Mixture of Sesquiterpenes: Keeping Track of the Carbon
- Reaction rates of Criegee intermediates with water vapor and hydrogen sulfide
- Carbon Isotope Fractionation by Ancestral Rubisco in Cells
- Estimation of Agricultural Plant Dynamics and Traits Through Integration of UAV and Other Datasets
- Gas-Particle Partitioning of Total Alkyl Nitrates During KORUS-AQ
- Glass Forming Properties of Secondary Organic Aerosol Surrogates and Components Examined by Thin Film Dielectric Relaxation Spectroscopy
- Scaling Soil Hydro-Physical Properties with Time-lapse EM to Assess Controls on Soybean Crop Yields
- Chemical Composition of PM<SUB>2.5</SUB> from a Geophysical-Statistical Method that Combines Information from Satellites, Models, and Monitors
- Combining Unsupervised and Supervised Machine Learning for Quantifying Watershed Organization and Functions Based on High-resolution Airborne Remote Sensing Data
- Estimated Long-term (1981-2016) Concentrations of Ambient Fine Particulate Matter across North America from Chemical Transport Modeling, Satellite Remote Sensing and Ground-based Measurements
- High latitude vertical profiles of <SUP>14</SUP>CO<SUB>2</SUB> across the tropopause from the Atmospheric Tomography (ATom) Mission
- Initial results and perspectives from the AR1K Project Consortium: machine learning for sustainable agriculture
- Insights into the rates and processes governing NO<SUB>2</SUB> foliar deposition to native California trees
- Investigating the Formation of Nitrous Oxide and its Isotopic Composition in a Corona Discharge with Applications to Plasma and Atmospheric Chemistry
- Maturation of the Enceladus Organic Analyzer (EOA) for Automated Sensitive Detection of Biosignature Compounds in Enceladus Plumes
- Production and Fate of Alkyl Nitrates During KORUS-AQ
- The Deposition of Acyl Peroxynitrates to Trees: Rates, Processes and Atmospheric Implications
- The Non-Mass-Dependent Isotopic Composition of Ozone: New Laboratory Results on Its Pressure and Bath Gas Dependence
- Understanding the Impact of Drought on NO<SUB>x</SUB> Foliar Uptake through Study of Pinus ponderosa and Calocedrus decurrens
- Using satellite data to investigate aerosol decay patterns downwind: implications for aerosol formation and removal processes
- A surrogate modeling strategy to learn ecosystem control points
- Machine Learning for Efficient Prediction of High Spatial Resolution NO<SUB>2</SUB> a Priori Profiles
- Space-borne estimation of volcanic sulfate aerosol lifetime
- Statistical Investigation of Recurrent Substorms/Substorm-like Disturbances in the Magnetotail