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Records 1 to 90 of 90

2019
Zhang, Y., K. Foley, D. Schwede, J. Bash, J. Pinto, AND R. Dennis. A Measurement‐Model Fusion Approach for Improved Wet Deposition Maps and Trends. JOURNAL OF GEOPHYSICAL RESEARCH: ATMOSPHERES. American Geophysical Union, Washington, DC, 124(7):4237-4251, (2019). https://doi.org/10.1029/2018JD029051
2017
McCrackin, M., E. Cooter, R. Dennis, J. Harrison, AND J. Compton. Alternative futures of dissolved inorganic nitrogen export from the Mississippi River Basin: influence of crop management, atmospheric deposition, and population growth. BIOGEOCHEMISTRY. Springer, New York, NY, 133(3):263-377, (2017).
2015
Gabriel, M., Chris Knightes, E. Cooter, AND R. Dennis. Evaluating relative sensitivity of SWAT-simulated nitrogen discharge to projected climate and land cover changes for two watersheds in North Carolina, USA. Hydrological Processes. John Wiley & Sons, Ltd., Indianapolis, IN, , online, (2015).
Tang, C., R. Dennis, AND E. Cooter. Water Temperature changes in the Mississippi River Basin. Internal Presentation, RTP, NC, July 23, 2015.
2014
Dennis, R. AND E. Cooter. “Nitrogen Budgets for the Mississippi River Basin using the linked EPIC-CMAQ-NEWS Models”. OW/OWOW Hypoxia Team, Washington DC, September 23, 2014.
Dennis, R., S. Napelenok, L. Linker, AND M. Rutkowski. A Method to Exchange Air Nitrogen Emission Reductions for Watershed Nitrogen Load Reductions. ESA 99th Annual Meeting, Sacramento, CA, August 11, 2014.
Dennis, R. AND K. Foley. Characteristics of New CMAQ Deposition Series of 2002 to 2011 for Critical Loads. 2014 NADP Annual Meeting and Scientific Symposium, Indianapolis, IN, October 21 - 24, 2014.
Tang, C. AND R. Dennis. How reliable is the offline linkage of Weather Research & Forecasting Model (WRF) and Variable Infiltration Capacity (VIC) model? Global and Planetary Change. Elsevier BV, AMSTERDAM, Netherlands, 116:1-9, (2014).
Gabriel, M., Chris Knightes, R. Dennis, AND E. Cooter. Potential Impact of Clean Air Act Regulations on Nitrogen Fate and Transport in the Neuse River Basin: a Modeling Investigation Using CMAQ and SWAT. ENVIRONMENTAL MODELING AND ASSESSMENT. Baltzer Science Publishers BV, Bussum, Netherlands, 19(6):451-465, (2014).
Gabriel, M., Chris Knightes, E. Cooter, AND R. Dennis. The Impacts of Different Meteorology Data Sets on Nitrogen Fate and Transport in the SWAT Watershed Model. ENVIRONMENTAL MODELING AND ASSESSMENT. Baltzer Science Publishers BV, Bussum, Netherlands, 19(4):301-314, (2014).
2013
Cooter, E., R. Dennis, J. Bash, M. McCrakin, AND V. Garcia. A Systems Approach to the Estimation of Ecosystem and Human Health Stressors in Air, Land and Water. Presented at 2013 AGU Fall Meeting, San Francisco, CA, December 09 - 13, 2013.
Bash, J., E. Cooter, R. Dennis, Johnt Walker, AND Jon Pleim. Evaluation of a regional air-quality model with bidirectional NH3 exchange coupled to an agroecosystem modelecosystem model. Biogeosciences. Copernicus Publications, Katlenburg-Lindau, Germany, 10(3):1635-1645, (2013).
Poor, N., L. Cross, AND R. Dennis. Lessons Learned from the Bay Region Atmospheric Chemistry Experiment (BRACE) and Implications for Nitrogen Management of Tampa Bay. ATMOSPHERIC ENVIRONMENT. Elsevier Science Ltd, New York, NY, 70(5):75-83, (2013).
Gabriel, M., Chris Knightes, E. Cooter, AND R. Dennis. Relative Sensitivity of Simulated Nitrogen Discharge to Projected Changes in Climate and Land Cover for Two Watersheds in North Carolina, USA. Presented at AGU Fall Meeting 2013, San Francisco, CA, December 09 - 13, 2013.
COOTER, E., A. W. REA, R. J. BRUINS, D. B. SCHWEDE, AND R. L. DENNIS. The Role of the Atmosphere in the Provision of Ecosystem Services. SCIENCE OF THE TOTAL ENVIRONMENT. Elsevier BV, AMSTERDAM, Netherlands, 448(3):1-208, (2013).
Dennis, R., J. Bash, K. Foley, R. Gilliam, AND R. Pinder. The interconnection of wet and dry deposition and the response of deposition to incorporation of new process understanding in regional models. Presented at AGU 2013 Fall Meeting, San Francison, CA, December 09 - 13, 2013.
Tang, C. AND R. Dennis. “ How Reliable is the Couple of WRF & VIC Models”. Presented at AGU Fall Meeting, San Franciso, CA, December 09 - 13, 2013.
Dennis, R., S. Napelenok, L. Linker, AND M. Rutkowski. “Exchanges of Aggregate Air Nitrogen Emissions and Watershed Nitrogen Loads”. Presented at CERF 22nd Biennial Conference, San Diego, CA, November 05 - 08, 2013.
2012
Gabriel, M., C. Knightes, R. Dennis, AND E. Cooter. Impact of Clean Air Act Regulations on Nitrogen Fate and Transport in Neuse River Basin. Presented at 2012 American Geophysical Union Conference, San Francisco, CA, December 03 - 07, 2012.
Gabriel, M., C. Knightes, E. Cooter, AND R. Dennis. Impact of Clean Air Regulations on Nitrogen Fate and Transport in Neuse River Basin. Presented at 2012 South Carolina Water Resources Conference, Columbia, SC, October 10 - 11, 2012.
2011
APPEL, W., K. FOLEY, J. O. BASH, R. W. PINDER, R. L. DENNIS, D. J. Allen, AND K. Pickering. A Multi-Resolution Assessment of the Community Multiscale Air Quality (CMAQ) Model v4.7 Wet Deposition Estimates for 2002 - 2006. Geoscientific Model Development . Copernicus Publications, Katlenburg-Lindau, Germany, 4(2):357-371, (2011).
SEIGNEUR, C. AND R. L. DENNIS. Atmospheric Modeling. 1st, Chapter 9, G.M. Hidy, J.R. Brooks, K.L. Demerjian, L.T. Molina, W. Pennell and R.D. Scheffe (ed.), Technical Challenges of Multipollutant Air Quality Management. Springer Science+Business Media B.V, Dordrecht, Netherlands, 1(1):299-337, (2011).
COMPTON, J. E., J. A. Harrison, R. L. DENNIS, T. L. GREAVER, B. H. HILL, S. J. JORDAN, H. A. WALKER, AND H. V. Campbell. Ecosystem services altered by human changes in the nitrogen cycle: A new perspective for assessment . Presented at AGU Fall Meeting, San Francisco, CA, December 05 - 09, 2011.
Pardo, L. H., M. FENN, C. L. Goodale, L. H. Geiser, C. T. DRISCOLL, E. B. ALLEN, J. S. BARON, R. Bobbink, W. BOWMAN, C. CLARK, B. Emmitt, F. S. Gilliam, T. L. GREAVER, S. J. Hall, E. A. Lilleskov, L. LIU, J. Lyncy, K. Nadelhoffer, S. S. Perakis, M. Robin-Abbott, J. L. STODDARD, K. Weathers, AND R. L. DENNIS. Effects of Nitrogen Deposition and Empirical Nitrogen Critical Loads for Ecoregions of the United States. ECOLOGICAL APPLICATIONS. Ecological Society of America, Ithaca, NY, 21(8):3049-3082, (2011).
PINDER, R. W., W. APPEL, AND R. L. DENNIS. Trends in Atmospheric Reactive Nitrogen for the Eastern United States. ENVIRONMENTAL POLLUTION. Elsevier Science Ltd, New York, NY, 159(10):3138-3141, (2011).
2010
DENNIS, R. L., T. FOX, M. FUENTES, A. GILLILAND, S. HANNA, C. Hogrefe, J. IRWIN, S. T. RAO, R. SCHEFFE, K. L. SCHERE, D. Steyn, AND A. Venkatram. A Framework for Evaluating Regional-Scale Numerical Photochemical Modeling Systems . ENVIRONMENTAL FLUID MECHANICS. Springer, New York, NY, 10(4):471-489, (2010).
DENNIS, R. L., R. MATHUR, J. E. PLEIM, AND J. T. WALKER, JR. Fate of Ammonia Emissions at the Local to Regional Scale as Simulated by the Community Multiscale Air Quality Model. Atmospheric Pollution Research. Turkish National Committee for Air Pollution Research and Control, Izmir, Turkey, 1(4):207-214, (2010).
DRISCOLL, C. T., E. B. Cowling, P. Grennfelt, J. M. GALLOWAY, AND R. L. DENNIS. Integrated Assessment of Ecosystem Effects of Atmospheric Deposition. EM: AIR AND WASTE MANAGEMENT ASSOCIATION'S MAGAZINE FOR ENVIRONMENTAL MANAGERS. Air & Waste Management Association, Pittsburgh, PA, (11):6-13, (2010).
GOLDEN, H. E., C. D. KNIGHTES, E. COOTER, R. L. DENNIS, R. C. GILLIAM, AND K. FOLEY. Linking Air Quality and Watershed Models for Environmental Assessments: Analysis of the Effects of Model-Specific Precipitation Estimates on Calculated Water Flux. ENVIRONMENTAL MODELLING & SOFTWARE. Elsevier Science, New York, NY, 25(12):1722-1737, (2010).
2009
COMPTON, J. E., R. L. DENNIS, H. A. WALKER, W. B. MILSTEAD, S. J. JORDAN, B. H. HILL, K. M. FRITZ, R. DEVEREUX, B. R. JOHNSON, J. BEAULIEU, J. S. LATIMER, J. Lynch, R. WAITE, AND C. Davis. Ecosystem Services Research Program, Pollutant Specific Studies: Nitrogen Regulations Services Implementation Plan. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-09/091, 2009.
GOLDEN, H. E., C. D. KNIGHTES, E. COOTER, AND R. L. DENNIS. Modeled Watershed Runoff Associated with Variations in Precipitation Data, with Implications for Contaminant Fluxes: Initial Results. In Proceedings, Planning for an Uncertain Future—Monitoring, Integration, and Adaptation. Third Interagency Conference on Research in the Watersheds, Estes Park, CO, September 08 - 11, 2008. United States Geological Survey, Denver, CO, 129-135, (2009).
RAO, S. T., R. L. DENNIS, V. GARCIA, A. GILLILAND, R. MATHUR, D. MOBLEY, T. E. PIERCE, AND K. L. SCHERE. Summary Report of Air Quality Modeling Research Activities for 2007. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/R-09/025 (NTIS PB2009-111394), 2009.
SCHWEDE, D. B., R. L. DENNIS, AND M. A. Bitz. The Watershed Deposition Tool: A Tool for Incorporating Atmospheric Deposition in Watershed Analysis. JOURNAL OF AMERICAN WATER RESOURCES ASSOCIATION. American Water Resources Association, Middleburg, VA, 45(4):973-985, (2009).
2008
PINDER, R. W., A. GILLILAND, AND R. L. DENNIS. Environmental Impact of Atmospheric NH 3 Emissions Under Present and Future Conditions in the Eastern United States. GEOPHYSICAL RESEARCH LETTERS. American Geophysical Union, Washington, DC, 35(L12808):1-6, (2008).
GOLDEN, H. E., C. D. KNIGHTES, E. COOTER, AND R. L. DENNIS. Modeled Watershed Runoff Associated with Variations in Precipitation Data with Implications for Contaminant Fluxes. Presented at Third Interagency Conference on Research in the Watersheds, Estes Park, CO, September 08 - 11, 2008.
DENNIS, R. L., P. BHAVE, AND R. W. PINDER. OBSERVABLE INDICATORS OF THE SENSITIVITY OF PM 2.5 NITRATE TO EMISSION REDUCTIONS, PART II: SENSITIVITY TO ERRORS IN TOTAL AMMONIA AND TOTAL NITRATE OF THE CMAQ-PREDICTED NONLINEAR EFFECT OF SO 2 EMISSION REDUCTIONS . ATMOSPHERIC ENVIRONMENT. Elsevier Science Ltd, New York, NY, 42(6):1287-1300, (2008).
PINDER, R. W., R. L. DENNIS, AND P. BHAVE. OBSERVABLE INDICATORS OF THE SENSITIVITY OF PM2.5 NITRATE TO EMISSION REDUCTIONS PART I: DERIVATION OF THE ADJUSTED GAS RATIO AND APPLICABILITY AT REGULATORY-RELEVANT TIME SCALES. ATMOSPHERIC ENVIRONMENT. Elsevier Science Ltd, New York, NY, 42(6):1275-1286, (2008).
SULLIVAN, T. J., B. COSBY, J. R. WEBB, R. L. DENNIS, A. J. BULGER, AND F. A. DEVINEY, JR. STREAMWATER ACID-BASED CHEMISTRY AND CRITICAL LOADS OF ATMOSPHERIC SULFUR DEPOSITION IN SHENANDOAH NATIONAL PARK, VIRGINIA. ENVIRONMENTAL MONITORING AND ASSESSMENT. Springer, New York, NY, 137(1-3):85-99, (2008).
RAO, S.T., R. L. DENNIS, V. GARCIA, A. GILLILAND, R. MATHUR, D. MOBLEY, T. E. PIERCE, AND K. L. SCHERE. SUMMARY REPORT OF AIR QUALITY MODELING RESEARCH ACTIVITIES FOR 2006. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/R-07/103 (NTIS PB2008-110094), 2008.
SARWAR, G., R. L. DENNIS, AND B. Vogel. The Effect of Hetrogeneous Reactions on Model Performance for Nitrous Acid. Chapter 4, Air Pollution Modeling and its Application XIX. Springer, New York, NY, , 349-357, (2008).
2007
MATHUR, R., W. E. FRICK, G. LEAR, AND R. L. DENNIS. Ecological Forecasting: Microbial Contamination and Atmospheric Loadings of Nutrients to Land and Water. EM: AIR AND WASTE MANAGEMENT ASSOCIATION'S MAGAZINE FOR ENVIRONMENTAL MANAGERS. Air & Waste Management Association, Pittsburgh, PA, , 36-40, (2007).
BABENDREIER, J. E., L. S. MATOTT, J. Hameedi, R. L. DENNIS, C. D. KNIGHTES, R. MATHUR, Y. M. MOHAMOUD, J. M. JOHNSTON, C. C. WEST, G. F. LANIAK, N. GABER, P. PASCUAL, AND R. ARAUJO. Managing Multimedia Pollution for a Multimedia World. EM: AIR AND WASTE MANAGEMENT ASSOCIATION'S MAGAZINE FOR ENVIRONMENTAL MANAGERS. Air & Waste Management Association, Pittsburgh, PA, , 6-11, (2007).
YU, S., P. BHAVE, R. L. DENNIS, AND R. MATHUR. SEASONAL AND REGIONAL VARIATIONS OF PRIMARY AND SECONDARY ORGANIC AEROSOLS OVER THE CONTINENTAL UNITED STATES: SEMI-EMPIRICAL ESTIMATES AND MODEL EVALUATION. ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, 41(13):4690-4697, (2007).
DENNIS, R. L., R. HAEUBER, T. Blett, J. Cosby, C. Driscoll, J. Sickles, AND J. M. JOHNSTON. Sulfur and Nitrogen Deposition on Ecosystems in the United States. EM: AIR AND WASTE MANAGEMENT ASSOCIATION'S MAGAZINE FOR ENVIRONMENTAL MANAGERS. Air & Waste Management Association, Pittsburgh, PA, , 12-17, (2007).
2006
PINDER, R. W., A. GILLILAND, R. L. DENNIS, P. ADAMS, AND S. N. PANDIS. AMMONIA: ENVIRONMENTAL IMPACTS, EMISSIONS, INORGANIC PM 2.5, AND CLEAN AIR INTERSTATE RULE. Presented at EPRI, Palo Alto, CA, July 28, 2006.
BHAVE, P., G. SARWAR, W. APPEL, AND R. L. DENNIS. REVISED TREATMENT OF N2 O5 HYDROLYSIS IN CMAQ. Presented at 5th Annual CMAS Models-3 User's Conference, Chapel Hill, NC, October 16 - 18, 2006.
WU, Y., J. T. WALKER, JR. K, C. PETERS-LIDARD, D. B. SCHWEDE, R. L. DENNIS, AND W. ROBARGE. ROLE OF LEAF SURFACE WATER IN THE BI-DIRECTIONAL AMMONIA EXCHANGE BETWEEN THE ATMOSPHERE AND TERRESTRIAL BIOSPHERE. In Proceedings, Agricultural Air Quality: State of the Sciences, Potomac, MD, June 05 - 08, 2006. Ecological Society of America, Ithaca, NY, 1-9, (2006).
GILLILAND, A., W. APPEL, R. L. DENNIS, AND R. W. PINDER. SEASONAL NH 3 EMISSIONS FOR THE CONTINENTAL UNITED STATES: INVERSE MODEL ESTIMATION AND EVALUATION. ATMOSPHERIC ENVIRONMENT. Elsevier Science Ltd, New York, NY, 40(26):4986-4998, (2006).
ARNOLD, J. AND R. L. DENNIS. TESTING CMAQ CHEMISTRY SENSITIVITIES IN BASE CHASE AND EMISSION CONTROL RUNS AT SEARCH AND SOS 99 SURFACE SITES IN THE SOUTHEASTERN UNITED STATES. ATMOSPHERIC ENVIRONMENT. Elsevier Science Ltd, New York, NY, 40(26):5027-5040, (2006).
DENNIS, R. L., R. MATHUR, D. B. SCHWEDE, J. T. WALKER, AND W. ROBARGE. THE FATE AND TRANSPORT OF AMMONIA AT THE LOCAL TO REGIONAL LEVEL. Presented at Workshop on Agricultural Air Quality: State of the Science, Potomac, MD, June 05 - 08, 2006.
PINDER, R., A. GILLILAND, AND R. L. DENNIS. THE IMPACT OF WINTER NH3 EMISSION REDUCTIONS ON INORGANIC PARTICULATE MATTER UNDER PRESENT AND FUTURE REGULATED CONDITIONS. Presented at Workshop on Agricultural Air Quality: State of the Science, Potomac, MD, June 05 - 08, 2006.
DENNIS, R. L. THE WATERSHED DEPOSITION TOOL: A MEANS TO LINK ATMOSPHERIC DEPOSITION TO WATERSHEDS. Presented at 5th Annual CMAS User's Conference, Chapel Hill, NC, October 16 - 18, 2006.
2005
DENNIS, R. L. AND P. BHAVE. (PRESENTED AT CMAS) THE NONLINEAR RESPONSE OF NITRATE REPLACEMENT THAT MITIGATES SULFATE REDUCTION: THE GAS RATION AS AN INDICTOR AND SENSITIVITY TO ERRORS IN TOTAL AMMONIA AND TOTAL NITRATE. Presented at 4th Annual CMAS Models-3 Users Conference, Chapel Hill, NC, September 26 - 28, 2005.
Yu, S., R L. Dennis, S J. Roselle, A. Nenes, J. Walker, B K. Eder, K L. Schere, J L. Swall, AND W. P. Robarge. AN ASSESSMENT OF THE ABILITY OF 3-D AIR QUALITY MODELS WITH CURRENT THERMODYNAMIC EQUILIBRIUM MODELS TO PREDICT AEROSOL NO3. JOURNAL OF GEOPHYSICAL RESEARCH. American Geophysical Union, Washington, DC, 110(D7):1-22, (2005).
DENNIS, R. L. ATMOSPHERIC DEPOSITION MODELING AND MONITORING OF NUTRIENTS. Presented at 4th Scientist to Scientist Meeting - Patuxent Wildlife Center, Laurel, MD, June 01 - 03, 2005.
NOLTE, C. G., P. BHAVE, R. L. DENNIS, K. M. ZHANG, A. S. WEXLER, M. EVANS, AND N. POOR. EVALUATION OF THE CMAQ - AIM MODEL AGAINST SIZE AND CHEMICALLY-RESOLVED IMPACTOR DATA AT A COASTAL URBAN SITE. Presented at AAAR Supersites Conference, Atlanta, GA, February 07 - 11, 2005.
MATHUR, R., U. SHANKAR, A. HANNA, M. T. ODMAN, J. MCHENRY, C. J. COATS, K. ALAPATY, A. XIU, S. ARUNACHALAM, D. T. OLERUD, D. W. BYUN, K. L. SCHERE, F. S. BINKOWSKI, J. K. CHING, R. L. DENNIS, T. E. PIERCE, J. PLEIM, S. J. ROSELLE, AND J. O. YOUNG. MULTISCALE AIR QUALITY SIMULATION PLATFORM (MAQSIP): INITIAL APPLICATIONS AND PERFORMANCE FOR TROPOSPHERIC OZONE AND PARTICULATE MATTER. JOURNAL OF GEOPHYSICAL RESEARCH. American Geophysical Union, Washington, DC, 110(D13308):1-23, (2005).
DENNIS, R. L. AND P. BHAVE. THE NONLINEAR RESPONSE OF NITRATE REPLACEMENT THAT MITIGATES SULFATE REDUCTIONS: THE GAS RATIO AS AN INDICATOR AND SENSITIVITY TO ERRORS IN TOTAL AMMONIA AND TOTAL NITRATE. Presented at NOAA/EPA Golden Jubilee Symposium, Durham, NC, September 20 - 21, 2005.
2004
Arnold, J. R. AND R L. Dennis. A CHEMICAL SENSITIVITY ANALYSIS WITH CMAQ: DIAGNOSTIC TESTING IN BASE CASE AND CONTROL STRATEGIES IN THE SOUTHEAST U.S. Presented at 2004 Models-3 Conference, Chapel Hill, NC, October 18-20, 2004.
Eder, B K., S Yu, R L. Dennis, A B. Gilliland, S Howard, AND A Torian. A PERFORMANCE EVALUATION OF THE 2004 RELEASE OF MODELS-3 CMAQ. Presented at 27th NATO/CCMS International Technical Meeting of Air Pollution and Its Application, Banff, Canada, October 25-29, 2004.
Yu, S., R L. Dennis, S J. Roselle, A. Nenes, J. Walker, B K. Eder, K L. Schere, J L. Swall, AND W. P. Robarge. A TEST OF THERMODYNAMIC EQUILIBRIUM MODELS AND 3-D AIR QUALITY MODELS FOR PREDICTIONS OF AEROSOL NO3-. Presented at 27th NATO/CCMS International Technical Meeting on Air Pollution Modeling and its Application, Banff, AB, CANADA, October 25 - 29, 2004.
Eder, B K., S. Yu, R L. Dennis, A B. Gilliland, S Howard, AND A Torian. AN ANNUAL EVALUATION OF MODELS-3 CMAQ USING A 2001 SIMULATION. Presented at EMEP Workshop on Particulate Matter Measurement & Modeling, New Orleans, LA, April 20-23, 2004.
Eder, B K., S Yu, R L. Dennis, A B. Gilliland, S Howard, AND A Torian. AN ANNUAL EVALUATION OF THE 2004 RELEASE OF MODELS-3 CMAQ. Presented at 2004 Models-3 Conference, Chapel Hill, NC, October 18-20, 2004.
Dennis, R L., S J. Roselle, C Nolte, AND P. Bhave. DIAGNOSTIC EVALUATION OF CMAQ RESPONSE OF INORGANIC FINE PARTICULATE SPECIES OF EMISSIONS CHANGES. Presented at 2004 Models-3 Conference, ChapelHill, NC, October 18-20, 2004.
Dennis, R L. EVALUATION OF 3-D REGIONAL MODELS: MEASUREMENT NEEDS FOR INORGANIC SPECIES. Presented at EMEP Workshop on Particulate Matter Measurement & Modeling, New Orleans, LA, April 20-23, 2004.
Dennis, R L., S J. Roselle, R Gilliam, AND J. R. Arnold. HIGH TIME-RESOLVED COMPARISONS FOR IN-DEPTH PROBING OF CMAQ FINE-PARTICLE AND GAS PREDICTIONS. Presented at 27th NATO/CCMS International Technical Meeting on Air Pollution Modeling and its Application, Banff, Canada, October 25-29, 2004.
Dennis, R L., S J. Roselle, R Gilliam, AND J. Arnold. HIGH TIME-RESOLVED COMPARISONS FOR IN-DEPTH PROBING OF CMAQ FINE-PARTICLES AND GAS PREDICTIONS. Presented at 27th NATO/CCMS International Technical Meeting on Air Pollution Modeling and Its Application, Banff, Alberta, Canada, October 25-29, 2005.
PIERCE, T. E., R. L. DENNIS, A. GILLILAND, D. B. SCHWEDE, AND J. T. WALKER. REGIONAL AIR QUALITY MODELING ISSUES RELATED TO ANIMAL FEEDING OPERATIONS (AFOS). Presented at Regional Science Workshop on Animal Feeding Operations (AFOS), Adelphi, MD, December 06 - 09, 2004.
Yu, S, R L. Dennis, P. Bhave, AND R Mathur. SEASONAL AND REGIONAL VARIATIONS OF PRIMARY AND SECONDARY ORGANIC AEROSOLS OVER THE CONTINENTAL UNITED STATES: OBSERVATION-BASED ESTIMATES AND MODEL EVALUATION. Presented at 2004 Models-3 Conference, Chapel Hill, NC, October 18-20, 2004.
Gilliland, A B., S J. Roselle, R. Pender, AND R L. Dennis. SEASONAL NH 3 EMISSIONS FOR ANNUAL 2001 CMAQ SIMULATION: INVERSE MODEL ESTIMATION AND EVALUATION. Presented at 2004 Models-3 Conference, Chapel Hill, NC, October 18-20, 2004.
Arnold, J. R. AND R L. Dennis. TESTING PHYSICS AND CHEMISTRY SENSITIVITIES IN THE U.S. EPA COMMUNITY MULTISCALE AIR QUALITY MODELING SYSTEM (CMAQ). Presented at 27th NATO/CCMS International Technical Meeting on Air Pollution Modeling and its Application, Banff, AB, CANADA, October 25 - 29, 2004.
Dennis, R L. TIME-RESOLVED AND IN-DEPTH EVALUATION OF PM AND PM PRECURSORS USING CMAQ. Presented at PM Model Performance Workshop, Research Triangle Park, NC, February 10-11, 2004.
Nolte, C, P. Bhave, R L. Dennis, K. M. Zhang, AND A. S. Wexler. USING CMAQ-AIM TO EVALUATE THE GAS-PARTICLE PARTITIONING TREATMENT IN CMAQ. Presented at 2004 Models-3 Conference, Chapel Hill, NC, October 18 - 20, 2004.
2003
Rao, S T., J. Irwin, K L. Schere, T E. Pierce Jr., R L. Dennis, AND J.K S. Ching. PAST, PRESENT AND FUTURE AIR QUALITY MODELING AND ITS APPLICATIONS IN THE UNITED STATES. Presented at 8th International Conference on Atmospheric Sciences and Application to Air Quality, Tsukuba, Japan, March 11-13, 2003.
MATHUR, R. AND R L. Dennis. SEASONAL AND ANNUAL MODELING OF REDUCED NITROGEN COMPOUNDS OVER THE EASTERN UNITED STATES: EMISSIONS, AMBIENT LEVELS, AND DEPOSITION AMOUNTS. JOURNAL OF GEOPHYSICAL RESEARCH 108(D15):ACH 22-1-ACH 22-19, (2003).
Gilliland, A B., R L. Dennis, S J. Roselle, AND T E. Pierce Jr. SEASONAL NH3 EMISSION ESTIMATES FOR THE EASTERN UNITED STATES BASED ON AMMONIUM WET CONCENTRATIONS AND AN INVERSE MODELING METHOD. JOURNAL OF GEOPHYSICAL RESEARCH: ATMOSPHERES 108(D15):ACH20-1-ACH 20-11, (2003).
2002
Pleim, J E., F S. Binkowski, R L. Dennis, J M. Godowitch, T L. Otte, T E. Pierce, S J. Roselle, K L. Schere, J Young, AND G L. Gipson. APPLICATION OF THE MODELS-3 COMMUNITY MULTI-SCALE AIR QUALITY (CMAQ) MODEL SYSTEM TO SOS/NASHVILLE 1999. Presented at 12th Joint Conference on the Applications of Air Pollution Meteorology with the Air & Waste Management Association, Norfolk, VA, May 20-24, 2002.
2001
Dennis, R L. AND R. Mathur. AIRSHED DOMAINS FOR MODELING ATMOSPHERIC DEPOSITION OF OXIDIZED AND REDUCED NITROGEN TO THE NEUSE/PAMLICO SYSTEM OF NORTH CAROLINA. Dr. Miquel A. Medina, Dro. Zbigniew J. Kabala (ed.), HYDROLOGICAL SCIENCE AND TECHNOLOGY 17(1-4):107-117, (2001).
Meyers, T. P., J E. Sickles II, R L. Dennis, K. Russe II, J. N. Galloway, AND T. Church. ATMOSPHERIC NITROGEN DEPOSITION TO COASTAL ESTUARIES AND THEIR WATERSHEDS. First Assessment of Nitrogen Loads to U.S. Coastal Waters with an Atmospheric Perspective. American Geophysical Union, Washington, DC, , 53-76, (2001).
Gilliland, A B., R L. Dennis, S J. Roselle, T E. Pierce Jr., AND L. E. Bender. DEVELOPING SEASONAL AMMONIA EMISSION ESTIMATES WITH AN INVERSE MODELING TECHNIQUE. THE SCIENTIFIC WORLD JOURNAL 1((S2)):356-362, (2001).
Cohn, R. D., B K. Eder, S K. LeDuc, AND R L. Dennis. DEVELOPMENT OF AN AGGREGATION AND EPISODE SELECTION SCHEME TO SUPPORT THE MODELS-3 COMMUNITY MULTISCALE AIR QUALITY MODEL. JOURNAL OF APPLIED METEOROLOGY AND CLIMATOLOGY 40(2):210-228, (2001).
Dennis, R L., G. S. Tonnesen, AND R. Mathur. NONLINEARITIES IN THE SULFATE SECONDARY FINE PARTICULATE RESPONSE TO NOX EMISSIONS REDUCTIONS AS MODELED BY THE REGIONAL ACID DEPOSITION MODEL. Presented at Millennium NATO/CCMS International Technical Meeting on Air Pollution Modeling and Its Application, Boulder, CO, May 15-19, 2000.
Arnold, J. R., R. C. Cohen, R L. Dennis, K. G. Kronmiller, D J. Luecken, W A. McClenny, AND J. Stutz. RECOMMENDED METHODS FOR AMBIENT AIR MONITORING OF NO, NO2, NOY, AND INDIVIDUAL NOZ SPECIES. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-01/005 (NTIS PB2001-104379), 2001.
2000
Eder, B K., R. D. Cohn, S K. LeDuc, AND R L. Dennis. AN AGGREGATION AND EPISODE SELECTION SCHEME FOR EPA'S MODELS-3 CMAQ. Presented at 12th Conference on Applied Climatology, Asheville, NC, May 8-11, 2000.
Arnold, J. R. AND R L. Dennis. FIRST RESULTS FROM OPERATIONAL TESTING OF THE U.S. EPA MODELS-3 COMMUNITY MULTISCALE MODEL FOR AIR QUALITY (CMAQ). Presented at Millennium NATO/CCMS International Technical Meeting on Air Pollution Modeling and Its Application, Boulder, CO, May 15-19, 2000.
Gilliland, A B., T E. Pierce Jr., R L. Dennis, AND S J. Roselle. INVERSE MODELING TO ESTIMATE SEASONAL AMMONIA EMISSIONS. Presented at Shared Resources Workshop-Airsheds and Watersheds: The Significance of Ammonia to Coastal and Estuarine Areas, Dewey Beach, DE, November 15-16, 2000.
1998
Hubler, G., R. Alvarez, P. Daum, R L. Dennis, N. V. Gillani, L. Kleinman, W. Luke, J. Meagher, D. Rider, M. Trainer, AND R. Valente. AN OVERVIEW OF THE AIRBORNE ACTIVITIES DURING THE SOUTHERN OXIDANTS STUDY (SOS) 1995 NASHVILLE/MIDDLE TENNESSEE OZONE STUDY. JOURNAL OF GEOPHYSICAL RESEARCH 103(D17):22,245-22,259, (1998).
Dennis, R L. THE ENVIRONMENTAL PROTECTION AGENCY'S THIRD GENERATION AIR QUALITY MODELING SYSTEM: AN OVERALL PERSPECTIVE. 10th Joint Conference on the Applications Air Pollution Meteorology with the AWMA, Phoenix, AZ, January 11-16, 1998.