William Simpson

Professor

University of Alaska Fairbanks

United States

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William Simpson is a Professor at the University of Alaska Fairbanks. His research focuses on air quality, specifically the measurement and analysis of nitrogen oxides, greenhouse gases, and particulate matter in Arctic environments. Recent publications explore the effects of emissions from oil fields on atmospheric chemistry and the interactions between snow and urban pollution. His work contributes to our understanding of environmental processes in cold climates and the validation of satellite missions for greenhouse gas monitoring.

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2020

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2020

Collaborators (16)

Christopher Holmes

Associate Professor

Florida State University

UNITED STATES

William Simpson

Research Interests

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Articles (22)

Fiducial Reference Measurements for Greenhouse Gases (FRM4GHG): Validation of Satellite (Sentinel-5 Precursor, OCO-2, and GOSAT) Missions Using the COllaborative Carbon Column Observing Network (COCCON)

Reactive oxygen species, environmentally persistent free radicals, and oxidative potential of outdoor and indoor particulate matter in Wintertime Fairbanks, Alaska

In situ measurements of gas–particle partitioning of organic compounds in Fairbanks

Measurements of the Emission Rates of Nitrogen Oxides and Greenhouse Gases From the Prudhoe Bay Oil Field

Estimating Power Plant Contributions to Surface Pollution in a Wintertime Arctic Environment

Impacts of Arctic oil field NOx emissions on downwind bromine chemistry: insights from 5 years of MAX-DOAS observations

Low-cost electrochemical gas sensing of vertical differences in wintertime air composition (CO, NO, NO2, O3) in Fairbanks, Alaska

The interplay between snow and polluted air masses in cold urban environments

Enhanced aqueous formation and neutralization of fine atmospheric particles driven by extreme cold

Hydroxymethanesulfonate and Sulfur(IV) in Fairbanks Winter During the ALPACA Study

Indoor–Outdoor Oxidative Potential of PM2.5 in Wintertime Fairbanks, Alaska: Impact of Air Infiltration and Indoor Activities

Overview of the Alaskan Layered Pollution and Chemical Analysis (ALPACA) Field Experiment

Multi-year, high-time resolution aerosol chemical composition and mass measurements from Fairbanks, Alaska

Wintertime spatial patterns of particulate matter in Fairbanks, AK during ALPACA 2022

Comparison of model and ground observations finds snowpack and blowing snow aerosols both contribute to Arctic tropospheric reactive bromine

Source and Chemistry of Hydroxymethanesulfonate (HMS) in Fairbanks, Alaska

Source and variability of formaldehyde (HCHO) at northern high latitudes: an integrated satellite, aircraft, and model study

Differences in Ozone and Particulate Matter Between Ground Level and 20 m Aloft are Frequent During Wintertime Surface‐Based Temperature Inversions in Fairbanks, Alaska

Spatial distributions of &lt;i&gt;X&lt;/i&gt;&lt;sub&gt;CO&lt;sub&gt;2&lt;/sub&gt;&lt;/sub&gt; seasonal cycle amplitude and phase over northern high-latitude regions

Implementation and Impacts of Surface and Blowing Snow Sources of Arctic Bromine Activation Within WRF‐Chem 4.1.1

Quality controls, bias, and seasonality of CO&lt;sub&gt;2&lt;/sub&gt; columns in the boreal forest with Orbiting Carbon Observatory-2, Total Carbon Column Observing Network, and EM27/SUN measurements

Arctic Reactive Bromine Events Occur in Two Distinct Sets of Environmental Conditions: A Statistical Analysis of 6 Years of Observations

Collaborators (16)

Christopher Holmes

PHILIP HANDLEY

Matthias Max Frey

Lyatt Jaegle

Peter DeCarlo

Aurélien Dommergue

Kerri Pratt

Jingqiu Mao

Dimitris Balis

Hirofumi Ohyama

Gonzalo Gonzalez Abad

Becky Alexander

Kayane Dingilian

Uwe Raffalski

Jason St. Clair

Ellis Robinson

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Spatial distributions of <i>X</i><sub>CO<sub>2</sub></sub> seasonal cycle amplitude and phase over northern high-latitude regions

Quality controls, bias, and seasonality of CO<sub>2</sub> columns in the boreal forest with Orbiting Carbon Observatory-2, Total Carbon Column Observing Network, and EM27/SUN measurements