Search Results - "Gilliland, Alice B"

Linking global to regional models to assess future climate impacts on surface ozone levels in the United States by Nolte, Christopher G., Gilliland, Alice B., Hogrefe, Christian, Mickley, Loretta J.

“…We investigate the impact of climate change on future air quality in the United States with a coupled global/regional scale modeling system. Regional climate…”
Get full text

Temporally resolved ammonia emission inventories: Current estimates, evaluation tools, and measurement needs by Pinder, Robert W., Adams, Peter J., Pandis, Spyros N., Gilliland, Alice B.

“…We evaluate the suitability of a three‐dimensional chemical transport model (CTM) as a tool for assessing ammonia emission inventories, calculate the…”
Get full text

Surface ozone background in the United States: Canadian and Mexican pollution influences by Wang, Huiqun, Jacob, Daniel J., Le Sager, Philippe, Streets, David G., Park, Rokjin J., Gilliland, Alice B., van Donkelaar, A.

“…We use a global chemical transport model (GEOS-Chem) with 1° × 1° horizontal resolution to quantify the effects of anthropogenic emissions from Canada, Mexico,…”
Get full text

A comparison of CMAQ-based aerosol properties with IMPROVE, MODIS, and AERONET data by Roy, Biswadev, Mathur, Rohit, Gilliland, Alice B., Howard, Steven C.

“…Evaluation of concentrations predicted by air quality models is needed to ensure that model results are compatible with observations. In this study aerosol…”
Get full text

Evaluation of the Community Multiscale Air Quality (CMAQ) model version 4.5 : Sensitivities impacting model performance Part I-Ozone by WYAT APPEL, K, GILLILAND, Alice B, SARWAR, Golam, GILLIAM, Robert C

“…Ozone (O sub(3)) predictions from the Community Multiscale Air Quality (CMAQ) model version 4.5 was examined. Simulations using the newest version of CMAQ…”
Get full text

Evaluation of the community multiscale air quality (CMAQ) model version 4.5: Sensitivities impacting model performance; Part II—particulate matter by Wyat Appel, K., Bhave, Prakash V., Gilliland, Alice B., Sarwar, Golam, Roselle, Shawn J.

“…This paper is Part II in a pair of papers that examines the results of the Community Multiscale Air Quality (CMAQ) model version 4.5 (v4.5) and discusses the…”
Get full text

Mechanisms of convection-induced modulation of passive tracer interhemispheric transport interannual variability by Lintner, Benjamin R., Gilliland, Alice B., Fung, Inez Y.

“…Interannual variations of tropical convection impact atmospheric circulation and influence year‐to‐year variations of the transport of trace constituents in…”
Get full text

Dynamic evaluation of regional air quality models : Assessing changes in O3 stemming from changes in emissions and meteorology by GILLILAND, Alice B, HOGREFE, Christian, PINDER, Robert W, GODOWITCH, James M, FOLEY, Kristen L, RAO, S. T

Get full text

Seasonal NH3 emissions for the continental united states : Inverse model estimation and evaluation by GILLILAND, Alice B, APPEL, K. Wyat, PINDER, Robert W, DENNIS, Robin L

Get full text

Efficient Probabilistic Estimates of Surface Ozone Concentration Using an Ensemble of Model Configurations and Direct Sensitivity Calculations by Pinder, Robert W, Gilliam, Robert C, Appel, K. Wyat, Napelenok, Sergey L, Foley, Kristen M, Gilliland, Alice B

“…Because all models are a simplification of the phenomenon they aim to represent, it is often more useful to estimate the probability of an event rather than a…”
Get full text

Seasonal NH3 emission estimates for the eastern United States based on ammonium wet concentrations and an inverse modeling method by Gilliland, Alice B., Dennis, Robin L., Roselle, Shawn J., Pierce, Thomas E.

“…Significant uncertainty exists in the magnitude and variability of ammonia (NH3) emissions. NH3 emissions are needed as input for air quality modeling of…”
Get full text

Monthly and annual bias in weekly (NADP/NTN) versus daily (AIRMoN) precipitation chemistry data in the Eastern USA by Gilliland, Alice B, Butler, Thomas J, Likens, Gene E

“…Previous comparisons of the data from the National Atmospheric Deposition Program, National Trends Network (NTN) against collocated event sampled data and…”
Get full text

Regional Variations in Sulfate and Nitrate on Annual, Seasonal, and Synoptic Time Scales by Walsh, Kenneth J., Gilliland, Alice B.

“…Ambient data from Interagency Monitoring of Protected Visual Environments (IMPROVE) monitors are analyzed to evaluate the spatial structure of SO 4 and NO 3…”
Get full text

Dynamic evaluation of regional air quality models: Assessing changes in O 3 stemming from changes in emissions and meteorology by Gilliland, Alice B., Hogrefe, Christian, Pinder, Robert W., Godowitch, James M., Foley, Kristen L., Rao, S.T.

“…Regional-scale air quality models are used to estimate the response of air pollutants to potential emission control strategies as part of the decision-making…”
Get full text

Developing seasonal ammonia emission estimates with an inverse modeling technique by Gilliland, A B, Dennis, R L, Roselle, S J, Pierce, T E, Bender, L E

“…Significant uncertainty exists in magnitude and variability of ammonia (NH3) emissions, which are needed for air quality modeling of aerosols and deposition of…”
Get full text

Seasonal NH sub(3) Emissions for the Continental United States: Inverse Model Estimation and Evaluation by Gilliland, Alice B, Appel, KWyat, Pinder, Robert W, Dennis, Robin L

“…Seasonal NH sub(3) emissions for the continental United States are investigated. The bottom-up an top-down emission information is combined with the most…”
Get full text

Evaluation of the Community Multiscale Air Quality (CMAQ) model version 4.5: Sensitivities impacting model performance by Appel, K. Wyat, Gilliland, Alice B., Sarwar, Golam, Gilliam, Robert C.

“…This study examines ozone (O 3) predictions from the Community Multiscale Air Quality (CMAQ) model version 4.5 and discusses potential factors influencing the…”
Get full text

Seasonal NH 3 emissions for the continental united states: Inverse model estimation and evaluation by Gilliland, Alice B., Wyat Appel, K., Pinder, Robert W., Dennis, Robin L.

“…Significant uncertainty exists in the seasonal distribution of NH 3 emissions since the predominant sources are animal husbandry and fertilizer application…”
Get full text

Mechanisms of convection-induced modulation of passive tracer interhemispheric transport interannual variability by LINTNER, Benjamin R, GILLILAND, Alice B, FUNG, Inez Y

Get full text

Dynamic Evaluation of Regional Air Quality Models: Assessing Changes in O sub(3) Stemming from Changes in Emissions and Meteorology by Gilliland, Alice B, Hogrefe, Christian, Pinder, Robert W, Godowitch, James M, Foley, Kristen L, Rao, ST

“…Changes in ozone (O sub(3)) stemming from changes in emissions and meteorology are assessed. The dynamic evaluation is used where emission changes can be…”
Get full text