Dr. Shaocai Yu

AMD Staff

Education:

1999-2001: Postdoctoral, Duke University
1996-1999: Ph.D. in Atmospheric Science (Meteorology), North Carolina State University
1994-1996: M.S. in Atmospheric Science (Meteorology), North Carolina State University
1985-1988: M.S. in Atmospheric Chemistry, Peking University, Beijing, China
1981-1985: B.S. in Chemistry, Peking University, Beijing, China

Honors & Principal Professional Activities:

Co-editor of International Journal of Applied Mathematics and Computation (http://ijamc.psit.in/journals/ade/editors.html) (2008-present)
Editor of Climate, the EGS (European Geophysical Society) on-line Newsletter (http://www.the-eggs.org/) (1/2003-present)
Co-Convener for the session of Volatile Organic Compounds and Organic Aerosols in the Atmosphere and Chairman for the sub-session of Organic Aerosol in the Atmosphere, EGS-AGU-EUG Joint Assembly, Nice, France, 06 - 11 April 2003
Chairman of Clouds and Aerosols II section, AGU 2001 Spring Meeting, May 29-June 2, 2001, Boston, MA
1999 Global Change Scholarship of American Meteorological Society. President of Peking University Alumni Association of North Carolina (PKUAA-NC): 2006-now
2007 (61st) Edition of Who's Who in America.

Review Activities:

Reviewed Manuscripts for Journal of Geophysical Research, Geophysical Research Letters, Atmospheric Environment, Atmospheric Science Letters, Journal of Aerosol Science, Environmental Science & Technology, Journal of Atmospheric Chemistry.

Professional Experience:

2004-present – STC Senior Scientific Data Analyst, assigned to ASMD , NERL, U.S. EPA, RTP, NC. Principal air quality model evaluator for the Air Quality Forecast (AQF) Team at NOAA/ARL/ASMD. The AQF system includes NCEP’s mesoscale Eta meteorological model and EPA’s Community Multiscale Air Quality (CMAQ) model. The whole objectives are to develop and implement plans for operational and diagnostic evaluation of the air quality forecasts for O 3 and PM 2.5 from the real-time Eta-CMAQ model system being run daily at NCEP.

2001-2004 – UCAR scientist, U.S. Environmental Protection Agency, RTP, NC.

Working on the evaluation, test and development of EPA’s Models-3/CMAQ 3-D air quality model for PM2.5 mass, SO42-, NO3-, NH4+, OC, EC, and gas O3, HNO3, NH3, VOC, NOx, and CO over the US; Studying the controlling strategy for PM2.5 and O3 over the US.
Working on the diagnostic evaluation of EPA’s Models-3/CMAQ air quality forecast model for O3 over the Northeastern US.

1999-2001 – Research Associate, Duke University, Durham, NC. Working on developing and implementing aerosol modules in regional 3-D air quality models (MAQSIP), and using the newly-developed models to analyze aerosol data from intensive field studies and to evaluate control strategies for ozone and fine particulate matter in the southeastern US. (Supervisor Prof. P.S. Kasibhatla)

1996-1999 – Research Assistant, North Carolina State University, Raleigh, NC

Working on the US DOE project entitled “Consequences of Anticipated Greenhouse Warming in the Southeast: Role of cloud-Mediated and Direct Effect of Aerosols”. Responsible for the analysis of optical depth, single scattering albedo, asymmetry factor, upscatter fraction, diffuse to direct ratio at visible wavelengths and aerosol chemistry, size distribution as a function of air mass type, and getting the aerosol columnar size distribution by numerical methods. Measured the CCN and cloud microphysical-chemical properties such as cloud droplet size distribution, and ion concentration.

Working on NASA Stratospheric Aerosol and Gas Experiment (SAGE II) project: responsible for algorithm development, microphysics of volcanic aerosols and their effects on climate on the basis of SAGE II satellite measurement. (Supervisor Prof. V.K. Saxena)

1994-1996 – Research Assistant, North Carolina State University, Raleigh, NC. Worked on the Aerosol-Cloud-Climate Interaction Project to investigate the effect of aerosols on regional climate and intensively used the SAS statistical model to analyze the climatic data, and study the impact of stratospheric volcanic aerosols on climate in the Southeastern US. (Supervisor Prof. V.K. Saxena)

1988-1994 – Environmental Engineer, Xiamen Municipal Research Institute of Environmental Protection, Xiamen EPA, P.R.China.

Monitored air pollution by measuring NOx, SO2, TSP, aerosols, O3, acid rain, and dry deposition.
Monitored, calculated and assessed the emission strength from the industrial pollution sources, and used a dispersion model to predict the impact of point sources, line sources and area sources of pollution on the environment.
Principal investigator for a research project entitled “Investigation about the current situation, sources and causes of acid rain in the oceanic environment of Xiamen Island”

1985-1988 – Research Assistant, Environmental Science Center, Peking University, China. Responsible for measuring and analyzing the atmospheric pollutants such as organic acids, NOx, SO2, aerosols, O3, acid rain, and dry deposition in Beijing and in Southern China.

Academic Memberships:

Member of American Geophysical Union (AGU), Member of American
Meteorological Society, Member of China Environmental Science Society.

Computer Skills:

Operating System: UNIX/LINUX, MS-DOS, Macintosh, Window 95, NT environment

Languages: C++/C, Java, Visual C++, OOP, Perl, Smalltalk, HTML, FORTRAN 77, 90, SAS

BASIC Models and Software: Mie code, HY-SPLIT back trajectory model, NCAR Tropospheric Ultraviolet-Visible Radiative Transfer Model, NCAR CCM3 CRM (Column Radiation Model), EPA Models-3/CMAQ, SMOKE; Box Model, Numerical Analysis Methods, MS Office

Publications:

Journals

Yu, Shaocai, et al. 2008. Comparative evaluation of the impact of WRF/NMM and WRF/ARW meteorology on CMAQ simulations during the 2006 TexAQS/GoMACCS study I: O3. Atmospheric Chemistry and Physics (in submission, 2008).
Yu, Shaocai, et al. 2008. Comparative evaluation of the impact of WRF/NMM and WRF/ARW meteorology on CMAQ simulations during the 2006 TexAQS/GoMACCS study II: PM 2.5. Atmospheric Chemistry and Physics (in submission, 2008).
Yu, Shaocai, et al., Comparison of three photochemical mechanisms (CB4, CB05, SAPRC99) for the Eta-CMAQ air quality forecast model for O3 during the 2004 ICARTT study, Atmospheric Chemistry and Physics (in submission, 2008).
Eder, B., Kang, D., Mathur, R., Pleim, J., Yu, Shaocai, A performance evaluation of the national air quality forecast capability for the summer of 2007. Atmos. Environ. (in review, 2008).
Eder, B., Kang, D., Rao, S.T, Mathur, R., Yu, Shaocai, Otte, T., Schere, K., Wayland, R., Jackson, S., Davidson, P., McQueen, J., A demonstration of the use of national air quality forecasts for developing local air quality index forecasts. Bulletin of the American Meteorological Society. (in review, 2008).
Daniel Q. Tong, Rohit Mathur, Daiwen Kang, Shaocai Yu, Kenneth L. Schere, and George Pouliot, 2008. Vegetation exposure to ozone over the continental United States: Assessment of exposure indices by the Eta-CMAQ air quality forecast model. Atmos. Environ., doi:10.1016/j.atmosenv.2008.09.084.
Yu, Shaocai, Rohit Mathur, Kenneth Schere, Daiwen Kang, and Daniel Tong, 2008. A study of the ozone formation by ensemble back trajectory-process analysis using the Eta-CMAQ forecast model over the northeastern U.S. during the 2004 ICARTT period, Atmos. Environ., doi:10.1016/j.atmosenv.2008.09.079.
Daiwen Kang, Rohit Mathur, S. Trivikrama Rao, and Shaocai Yu, 2008. Study on bias adjustment techniques and its application to the Eta-CMAQ air quality forecasts of ozone, Journal of Geophysical Research, doi:10.1029/2008JD010151.
Pius Lee, You-Hua Tang, Daiwen Kang, Jeff McQueen, Marina Tsidulko, Mary Hart, Hsin-Mu Lin, Shaocai Yu, Geoff DiMego, and Paula Davidson, 2008. Impact of consistent boundary layer mixing approaches between NAM and CMAQ. Environmental Fluid Mechanics (in press, 2008).
Y. Tang, P. Lee, M. Tsidulko, H. Huang, J.T. McQueen, G.J. DiMego, L. K. Emmons, R. B. Pierce, H. Lin, D. Kang, D. Tong, Shaocai Yu, R. Mathur, J. E. Pleim, T. L. Otte, G. Pouliot, J. O. Young, K. L. Schere. P.M. Davidson. The Impact of Chemical Lateral Boundary Conditions on CMAQ Predictions of Tropospheric Ozone over the Continental United States. Environmental Fluid Mechanics, doi: 10.1007/s10652-008-9092-5.
Yu, Shaocai, Rohit Mathur, Kenneth Schere, Daiwen Kang, Jonathan Pleim, Jeffrey Young, Daniel Tong, Stuart A. McKeen, and S.T. Rao, 2008 Evaluation of real-time PM2.5 forecasts and process analysis for PM2.5 formation over the eastern U.S. using the Eta-CMAQ forecast model during the 2004 ICARTT Study. Journal of Geophysical Research, 113, D06204, doi:10.1029/2007JD009226.
Rohit Mathur, Shaocai Yu, Daiwen Kang, and Kenneth L. Schere, 2008. Assessment of the Winter-time Performance of Developmental Particulate Matter Forecasts with the Eta-CMAQ Modeling System, Journal of Geophysical Research, 113, D02303, doi:10.1029/2007JD008580.
Qian, Y., Q. Song, S. Menon, S.C. Yu, S.C. Liu, G. Shi, R. Leung, and Y. Luo, 2008: Impacts of atmospheric sulfate and black carbon aerosols on the regional climate of East Asia. In “Monsoon Asia Integrated Regional Study on Global Change” Vol. 1: Changes in the Human-Monsoon System of East Asia in the Context of Global Change, edited by Congbin Fu, J R Freney & J W B Stewart. Published by World Scientific.
Daniel Tong, Rohit Mathur, Kenneth Schere, Daiwen Kang and Shaocai Yu, 2007. The use of air quality forecasts to assess impacts of air pollution on crops: A case study of assessing soybean yield losses from ozone in the United States. Atmospheric Environment, 41, 8772–8784.
Yu, Shaocai, Prakash V. Bhave, Robin L. Dennis, and Rohit Mathur, 2007. Seasonal and regional variations of primary and secondary organic aerosols over the continental United States: Observation-based estimates and Model evaluation. Environmental Science & Technology, 41, 4690-4697.
Yu, Shaocai, Rohit Mathur, Kenneth Schere, Daiwen Kang, Jonathan Pleim, and Tanya L. Otte, 2007. A comprehensive evaluation of the Eta-CMAQ forecast model performance for O3, its related precursors, and meteorological parameters during the 2004 ICARTT study. Journal of Geophysical Research, 112, D12S14, doi:10.1029/2006JD007715.
S. McKeen, S. H. Chung, J. Wilczak, G. Grell, I, Djalalova, S, Peckham, W. Gong,V. Bouchet, R. Moffet, Y. Tang, G. R. Carmichael, R. Mathur, S. Yu, 2007, The evaluation of several PM2.5 forecast models using data collected during the ICARTT/NEAQS 2004 field study. Journal of Geophysical Research, 112, D10S20, doi:10.1029/2006JD007608.
Daiwen Kang, Rohit Mathur, Kenneth Schere, Shaocai Yu, and Brian Eder, 2007. New categorical metrics for air quality model evaluation, journal of Applied Meteorology. 46 (4), 549–555.
Yu, Shaocai, Brian Eder, Robin Dennis, Shao-hang Chu, Stephen Schwartz, 2006. New unbiased symmetric metrics for evaluation of air quality models. Atmospheric Science Letter, 7, 26-34.
Yu, Shaocai, Rohit Mathur, Daiwen Kang, Kenneth Schere, Brian Eder, Jonathan Pleim, 2006. Performance and diagnostic evaluations of a real-time ozone forecast by the Eta-CMAQ model suite during the 2002 New England Air Quality Study (NEAQS). Journal of the Air & Waste Management Association, 56:1459-1471.
Brian Eder, Daiwen Kang, Rohit Mathur, Shaocai Yu and Kenneth Schere, 2006. An operational evaluation of the Eta-CMAQ air quality forecast model, Atmospheric Environment, 40: 4894-4905.
Eder, B., and Shaocai, Yu, 2006. An evaluation of model performance of EPA models-3/CMAQ. Atmospheric Environment, 40: 4811-4824.
Yu, Shaocai, Brian Eder, Robin Dennis, Shao-hang Chu, Stephen Schwartz, 2005. New unbiased symmetric metrics for evaluation of air quality models. Atmospheric Environment, (in submission for the CMAQ special issue).
Yu, Shaocai, Rohit Mathur, Daiwen Kang, Kenneth Schere, Brian Eder, Jonathan Pleim, 2005. Performance and diagnostic evaluations of a real-time ozone forecast by the Eta-CMAQ model suite during the 2002 New England Air Quality Study (NEAQS). Atmospheric Environment, (in submission for the CMAQ special issue).
Yu, Shaocai, Robin L. Dennis, Prakash V. Bhave,Rohit Mathur, and Brian Eder, 2005. Seasonal and regional variations of primary and secondary organic aerosols over the continental United States, 1. Observation-based estimates and Model evaluation. Atmospheric Environment, (in submission for the CMAQ special issue).
Daiwen Kang, Brian Eder, Rohit Mathur, Shaocai Yu and Kenneth Schere, 2005. An operational evaluation of the Eta-CMAQ air quality forecast model, Atmospheric Environment, (in submission for the CMAQ special issue).
Eder , B., and Shaocai, Yu, 2005. An evaluation of model performance of EPA models-3/CMAQ for aerosol and O 3. Atmospheric Environment, (in submission for the CMAQ special issue).
Yu, Shaocai, 2005. Calculation of secondary organic aerosols in 3-D air quality models---Comments on “Instantaneous secondary organic aerosol yields and their comparison with overall aerosol yields for aromatic and biogenic hydrocarbons” (Atmospheric Environment 37 (2003) 5439-5444). Atmospheric Environment, (in press).
Yu, Shaocai, Robin Dennis, Shawn Roselle Athanasios Nenes, John Walker, Brian Eder, Kenneth Schere , Jenise Swall, Wayne Robarge , 2005. An assessment of the ability of 3-D air quality models with current thermodynamic equilibrium models to predict aerosol NO 3 - J. Geophys. Res., (in press)
Yu, Shaocai, R. Dennis, P. Bhave, B. Eder, 2004. Primary and secondary organic aerosols over the United States: estimates on the basis of observed organic carbon (OC) and elemental carbon (EC), and air quality modeled primary OC/EC ratios. Atmospheric Environment, 38, 5257-5268.
Yu, Shaocai, P.S. Kasibhatla D. L. Wright, S.E. Schwartz, R. McGraw and A. Deng. 2003. Moment-based Simulation of the Influence of Microphysical Properties of Sulfate Aerosols in the Eastern United States: model description, evaluation and regional analysis. J. Geophys. Res., 108, No. D12, 4353, doi: 10.1029/2002JD002890.
Douglas L. Wright, Jr., Shaocai Yu, Prasad Kasibhatla, Robert McGraw, Stephen E. Schwartz, V. K. Saxena, Glenn K. Yue, 2002. Retrieval of aerosol properties from moments of the particle size distribution for kernels involving the step function: cloud activation. J. Aerosol Sci., 33, 319-337.
Yu, Shaocai, V. K. Saxena, Zongci Zhao, 2001. A comparison of signals of regional aerosol-induced forcing in eastern China and the southeastern United States. Geophys. Res. Lett., 28 , 713-716 .
Yu, Shaocai, C.S, Zender and Saxena, V.K. 2001. Direct radiative forcing and atmospheric absorption by boundary layer aerosols in the southeastern US: model estimates on the basis of new observations . Atmospheric Environment, 35, 3967-3977.
Yu, Shaocai, 2000. The role of organic acids (formic, acetic, pyruvic and oxalic) in the formation of cloud condensation nuclei (CCN): a review. Atmos. Res. 53, 185-217.
Yu, Shaocai, V. K. Saxena, B. N. Wenny, J. J. DeLuisi, G. K. Yue and I. V. Petropavlovskikh, 2000. A study of the aerosol radiative properties needed to compute direct aerosol forcing in the southeastern US. J. Geophys. Res., 105, 24739-24749.
Saxena V.K., and Yu, Shaocai, 1998. Searching for a regional fingerprint of aerosol forcing in the southeastern US. Geophys. Res. Lett. 25, 2833-2836.
Yu, Shaocai, Gao, Chentie, Chen, Zemian., Chen, Xiaojian, Chen, Shuentian, Xiao Jian, and Ye Wenxian, 1998. An analysis of chemical composition of different rain types in “Minnan Golden Triangle” region in the southeastern coast of China. Atmos. Res. 47-48: 245-269.
DeFelice, T. P., Saxena, V. K., and Yu, Shaocai, 1997.On the measurements of cloud condensation nuclei (CCN) at Palmer Station, Antarctica., Atmospheric Environment 31:4039-4044.
Saxena, V.K., Yu, Shaocai, and J. Anderson, 1997. Impact of stratospheric volcanic aerosols on climate: Evidence of aerosol radiative forcing in the southeastern US. Atmospheric Environment 31:4211-4221.
Yu, Shaocai, Chen, Zemian., Cai, Xiaopin., Chen Xiaojian, and Shong, Weijian. 1994. A study of acid precipitation in the oceanic environment of Xiamen Island. Atmos. Res. 32: 297-311.
Yu, Shaocai, 1994. Relationship between meteorological elements and acid rain and its sources at Xiamen Island. Meteorology. 20(5): 20-23.
Yu, Shaocai, 1994. Physical-chemical model study of oceanic acid rain in Xiamen Island. Shanghai Environ. Monitoring. 1: 1-11.
Yu, Shaocai, 1993. Investigation about the calculation method of average pH. Environ. Monitoring In China. 9(1): 28-29.
Yu, Shaocai, 1993. Determination of optional variance set on Xiamen acid precipitation by major component analysis. Shanghai Environ. Monitoring. 3: 6-11.
Yu, Shaocai, Chen, Xiaojian., and Chen, Zemian., 1992. Organic acids in the oceanic acid rain of Xiamen Island. Shanghai Environ. Sci. 11(12): 30-32.
Yu, Shaocai, Chen, Zemian., Cai, Xiaopin., Chen Xiaojian, 1992. An investigation about chemical compositions of acid rain and their relationship with the meteorological conditions in Xiamen Island. Environ. Prot. Sci. 3: 68-73.
Yu, Shaocai, 1992. A review about the measurement methods of H 2O 2 in the atmosphere and precipitation. Environ. Monitoring In China. 8(4): 49-52.
Yu, Shaocai, 1992. A study about the sources of acid rain in Xiamen Island. In Acid Rain in China and Its Control Policy (ed. By Z. Zhong). PP54-56. published by Chinese Scientific and Technological Publication House.
Yu, Shaocai, Bi, Mutian., Lin, Xin., Yao, Rongkui., and Tang, Xiaoyan., 1991. Organic acids in precipitation from Baiyun Mountain, Guanzhou and in cloudwater from Miaoer Mountain, Guangxi. Acta Sci. Circumstantiae. 11(1): 25-30.
Yu, Shaocai, Bi, Mutian., and Lin, Xin., 1991. Determination of organic acids By IC with p-toluene sulfonic acid as eluant. Analytical. Chem. 19(1):73-76.
Yu, Shaocai, 1991. A review about the natural sources of precursors of acid rain. Shanghai Environ. Monitoring. 1:26-32.
Yu, Shaocai, Bi, Mutian., and Lin Xin., 1990. An investigation about the determination of formic and acetic acids in the atmosphere. Ch. J. Environ. Sci. 11(3): 43-48.
Yu, Shaocai, 1990. Primary study about the sources and causes of acid rain in Xiamen Island. Atmospheric Environment 5: 43-44. (in Chinese)
Yu, Shaocai, Bi, Mutian., and Lin, Xin., 1988. Primary investigation about natural sources of organic acids in the atmosphere and rain. Atmospheric Environment 4: 36-40 (in Chinese)
Yu, Shaocai, The energy at the deep ocean. New Energy, 8(9): 34, 1986 (in Chinese).
Yu, Shaocai, 1987. The global natural sources of precursor NOx of acid rain: a review. Environ. Prot. Sci. 2: 8-13 (in Chinese).
Proceedings:
Yu, Shaocai, R. Mathur, D. Kang, K. Schere, B. Eder and J. Pleim. Operational and diagnostic evaluations of the ozone forecasts by the Eta-CMAQ model suite during the 2002 New England Air Quality Study (NEAQS). 2004 Models-3 Conference, October 18-20, 2004, Chapel Hill, North Carolina.
Yu, Shaocai, R.L. Dennis, P.V. 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. 2004 Models-3 Conference, October 18-20, 2004, Chapel Hill, North Carolina..
Yu, Shaocai , R.L. Dennis, S. Roselle, A. Nenes, J. Walker, B. Eder, K. Schere, J. Swall, and W. Robarge. A test of thermodynamic equilibrium models and 3-D air quality models for predictions of aerosol NO 3-. Presentation at the 27th NATO International Technical Meeting on Air Pollution Modeling and Its Applications, October 25-29, 2004, Banff, Canada.
Mathur, R., J. Pleim, K. Schere, J. Young, T. Otte, G. Pouliot, B. Eder, D. Kang, S. Yu, H.-M. Lin. Summary of the 2004 Eta-CMAQ model air quality forecast simulations. Presentation at the 2004 Models-3/CMAQ Conference, October 18-20, 2004, Chapel Hill, NC.
Eder , B., Yu, Shaocai, and Robin Dennis An annual evaluation of the 2004 Release of CMAQ using a 2001 simulation. Presentation at the 27 th NATO/CCMS International Technical Meeting on Air Pollution and its Application, October 25-29, 2004, Banff, Alberta, Canada.
Daiwen Kang, Brian Eder, Rohit Mathur, Shaocai Yu and Kenneth Schere, 2004. An operational evaluation of the Eta-CMAQ air quality forecast model, Presentation at the 27 th NATO/CCMS International Technical Meeting on Air Pollution and its Application, October 25-29, 2004, Banff, Alberta, Canada.
Bhave, P.V., S.J. Roselle, F.S. Binkowski, C.G. Nolte, S. Yu, G.L. Gipson, and K.L. Schere. The Community Multiscale Air Quality (CMAQ) aerosol module development: Recent enhancements and future plans. Presentation at the 2004 Models-3/CMAQ Conference, October 18-20, 2004, Chapel Hill, NC.
R. Mathur, J. Pleim, K. Schere, J. Young, T. Otte, G. Pouliot, B. Eder, D. Kang, S. Yu, H.-M. Lin. The Community Multiscale Air Quality (CMAQ) Model: Model configuration and enhancements for air quality forecasting. Presentation at the 2004 Air Quality Forecasting Focus Group Meeting, Silver Spring, Maryland, September 8-9, 2004
Yu, Shaocai, R. Dennis, P. Bhave, and B. Eder. Primary and secondary organic aerosols over the United States: Estimates on the basis of observed organic carbon (OC) and elemental carbon (EC), and air quality modeled primary OC/EC ratios. 2003 Models-3 User's Workshop, October 27-29, 2003, Research Triangle Park, North Carolina. Carolina Environmental Program and the Community Modeling and Analysis System Center, Chapel Hill, NC.
Yu, Shaocai , R. Dennis, B. Eder, C. Lewis, G. Gipson, F. Binkowski, P. Bhave, J. Pleim, K. Schere, G. Klouda, and G. Pouliot. Simulation of primary and secondary (biogenic and anthropogenic) organic aerosols over the United States by US EPA Models-3/ CMAQ: Evaluation and regional analysis. 2003 Models-3 User's Workshop, October 27-29, 2003, Research Triangle Park, North Carolina. Carolina Environmental Program and the Community Modeling and Analysis System Center, Chapel Hill, NC.
Yu, Shaocai , B. Eder, R. Dennis, S.-H. Chu, and S. Schwartz. New unbiased symmetric metrics for evaluation of air quality model. 2003 Models-3 User's Workshop, October 27-29, 2003, Research Triangle Park, North Carolina. Carolina Environmental Program and the Community Modeling and Analysis System Center, Chapel Hill, NC.
Yu, Shaocai, R. Dennis, B. Eder, S. Roselle and J. Walker. Can the thermodynamic model and 3-D air quality model predict the aerosol NO 3- reasonably within a factor of 2? 2003 Models-3 User's Workshop, October 27-29, 2003, Research Triangle Park, North Carolina. Carolina Environmental Program and the Community Modeling and Analysis System Center, Chapel Hill, NC.
B. Eder and Yu, Shaocai . An evaluation of the 2003 release of CMAQ. 2003 Models-3 User's Workshop, October 27-29, 2003, Research Triangle Park, North Carolina. Carolina Environmental Program and the Community Modeling and Analysis System Center, Chapel Hill, NC.
Yu, Shaocai, Robin Dennis, Brian Eder, Charles Lewis, Francis Binkowski, Kenneth Schere, George Klouda. Simulation of primary and secondary (biogenic and anthropogenic) organic aerosol over the Unites States by U.S. EPA Models-3/CMAQ: Evaluation and regional analysis, EGS-AGU-EUG Joint Assembly, Nice, France, 06 - 11 April, 2003
Yu, Shaocai, Robin Dennis, Brian Eder, Charles Lewis, Francis Binkowski, Kenneth Schere, George Klouda. Relative contributions of primary and secondary (biogenic and anthropogenic) organic aerosols at Nashville: comparisons of observations and modeling results. 2003 AAAR PM Meeting Particulate Matter: Atmospheric Sciences, Exposure and the Fourth Colloquium on PM and Human Health, Pittsburgh, Pennsylvania, March 31-April 4, 2003.
Yu, Shaocai,Brian Eder and Robin Dennis. Primary and secondary organic aerosols over the United States: estimates on the basis of observations and modeled primary OC/EC ratios. 2003 AAAR PM Meeting Particulate Matter: Atmospheric Sciences, Exposure and the Fourth Colloquium on PM and Human Health, Pittsburgh, Pennsylvania, March 31-April 4, 2003.
Brian Eder, Yu, Shaocai, and Robin Dennis, An evaluation of the Models-3 CMAQ aerosol module. 2003 AAAR PM Meeting Particulate Matter: Atmospheric Sciences, Exposure and the Fourth Colloquium on PM and Human Health, Pittsburgh, Pennsylvania, March 31-April 4, 2003
Brian Eder, Yu, Shaocai,Brian Eder and Robin Dennis, Jonathan Pleim, and Ken Schere, Primary evaluation of the June 2002 version of CMAQ, 2002 Models-3 Users’ Workshop, October 21-23, 2002, EPA Research Center, Research Triangle Park, NC.
Pleim, Jonathan, Francis Binkowski, Robin Dennis, Brian Eder, Shaocai Yu, Gerald Gipson, James Godowitch, Tanya Otte, Thomas Pierce, Shawn Roselle, Kenneth Schere, and Jeffrey Young, THE MODELS-3 COMMUNITY MULTI-SCALE AIR QUALITY (CMAQ) MODEL: 2002 RELEASE – NEW FEATURES, 2002 Models-3 Users’ Workshop, October 21-23, 2002, EPA Research Center, Research Triangle Park, NC.
Brian Eder, Yu, Shaocai,Brian Eder and Robin Dennis, Jonathan Pleim, and Ken Schere, Testing of the June 2002 Version of United States EPA's CMAQ Model, BMU/UBA-USEPA-EMEP Workshop, Rheinhotel 4 Jahreszeiten, Bad Breisig, Germany, October 07-11, 2002.
Yu, Shaocai, P. S. Kasibhatla, D. L. Wright, A. Deng R. McGraw, S. E. Schwartz, Moment-based representation of sulfate aerosol in the eastern United States and comparison with observations, AGU Fall Meeting, San Francisco CA, December 6-10, 2002.
Yu, Shaocai, P. S. Kasibhatla, D. L. Wright, S. E. Schwartz, R. McGraw, A. Deng. Moment-based representation of sulfate aerosol in the eastern United States and comparison with observations, DOE Atmospheric Sciences Program Meeting Albuquerque, NM 19-21 March 2002.
Yu, Shaocai, P. S. Kasibhatla D. L. Wright, R. McGraw and S. E. Schwartz, 2001. A Simulation of the Influence of Aerosol Microphysical Processes on Properties of Sulfate Aerosols in the Eastern United States: mass and number concentrations, and size distributions. Proceedings of AGU 2001 Spring Meeting, May 29-June 2, 2001, Boston, MA, published as a supplement to EOS, Transactions, American Geophysical Union.
Yu, Shaocai, C.S. Zender, and V.K. Saxena, Direct radiative forcing and atmospheric absorption by boundary layer aerosol in the southeastern US: model estimates on the basis of new observations, presented to the Chapman Conference on Solar Radiation, Estes Park, CO, August 13-17, 2001.
Yu, Shaocai, 2001. Is the warming trend in eastern China due to the high absorbing aerosols? IN: Proceedings of 12 th Symposium on Global Change Studies, 9-14 January 2001, New Mexico, published by American Meteorological Society.
Yu, Shaocai, Saxena, V.K., and Zhao Zongci, 2000.On detecting the signature of regional aerosol radiative forcing in eastern China. IN: Proceedings of 11 th Symposium on Global Change Studies, 9-14 January 2000, Long Beach, California, published by American Meteorological Society.
Yu, Shaocai, and V.K. Saxena. 2000. Observation of Black carbon (BC) and cloud condensation nuclei (CCN) during the cloud period: climate implications in the southeastern US. IN: Proceedings of 13 th international Conference on Clouds and Precipitation. Reno, Nevada, 14-18 August 2000, published by Elsevier Science Publishers.
Yu, Shaocai, C.S. Zender, and V.K. Saxena, Aerosol direct radiative forcing in the southeastern US: model estimates from measurement and model results, presented to the 7 th International Conference on Atmospheric Science and Application to Air Quality (ASAAQ) Conference, Taipei, Taiwan, China, October 30-November 2, 2000.
Yu, Shaocai, B.N. Wenny and V.K. Saxena, 2000. An evaluation of Chemical and size effects on radiative properties of multi-component aerosols. IN: Proceeding of 15 th International Conference on Nucleation and Atmospheric Aerosols. Rolla, Missouri, 6-11 August 2000, published by Elsevier Science Publishers.
Yu, Shaocai, P. S. Kasibhatla D. L. Wright, R. McGraw and S. E. Schwartz, 2000. A Simulation of the Influence of Aerosol Microphysical Processes on Properties of Sulfate Aerosols in the Eastern United States 1: mass and number concentrations, and size distributions. Proceedings of AGU 2000 Fall Meeting, December 15-19, 2000, San Francisco, CA, F121, published as a supplement to EOS, Transactions, American Geophysical Union, vol. 81, No. 48, November 28, 2000.
V.K. Saxena, B.N. Wenny, S. Menon, and Shaocai Yu, 2000. AEROSOLS, CLOUDS, AND CLIMATE OF THE SOUTHEASTERN U.S. IN: Proceedings of 13 th international Conference on Clouds and Precipitation. Reno, Nevada, 14-18 August 2000, published by Elsevier Science Publishers
Yu, Shaocai, C.S, Zender and Saxena, V.K. 2000. Aerosol direct radiative forcing in the southeastern US: estimates from the measurement and model results, 7 th International Conference on Atmospheric Science and Applications to Air Quality (ASAAQ) and Exhibition, 31 October-2 November, 2000, Taipei, Taiwan, China.
Yu, Shaocai, Saxena, V.K., and Zhao Zongci, 2000. Remotely sensed aerosol optical depth over eastern China by SAGE II satellite: A confirmation of the surface cooling effect following the Mount Pinatubo eruption. 28 th International Symposium on Remote Sensing of Environment, 27-31 March 2000, Cape Town, South Africa.
Saxena, V.K. and Yu, Shaocai, 1999. Climate variations in the southeastern US during 1949-94: Did a volcano affect it during 1992-94? IN: Eighth conference on climate variations, 13-17 September 1999, Denver, Colorado, published by American Meteorological Society.
Saxena, V.K. and Yu, Shaocai, 1999. Regional climate change in the southeastern US: aerosol cooling VS. greenhouse warming, IN: Proceedings of 10 th Symposium on Global Change Studies, 10-15 January 1999, Dallas, TX, published by American Meteorological Society.
Yu, Shaocai, and Saxena, V. K., Organic acids (formic, acetic, pyruvic and oxalic) in the formation of CCN: a hypothesis. IN: Proceedings of Conference on Cloud Physics, 17—21 August, 1998, Everett, Washington, pp230-234. published by American Meteorological Society.
Saxena, V.K., and Yu, Shaocai, 1998, Sustainable coal consumption in the Southeast: Impact analysis of Kyoto Treaty. Proceedings of the SAMAB 9 th Annual Fall Conference, 4-6 November, 1998, Gatlinburg, TN
Saxena, V.K. and Yu, Shaocai, 1998. A comprehensive global analysis of episodes of enhanced CCN concentrations near cloud boundaries. Proceedings of Ninth Symposium of the IAMAS Commission on Atmospheric Chemistry & Global Pollution and Fifth Scientific Conference on the International Global Atmospheric Chemistry Project. 19-25 August 1998, Seattle, Washington.
Yu, Shaocai, V.K. Saxena, and B.N. Wenny, 1997. A theoretical evaluation of chemical and size effects on radiative properties of multicomponent aerosols. Proceedings of AGU 1997 Spring Meeting, May 25-27, Baltimore, MD, S70.
Yu, Shaocai, V. K. Saxena, B. N. Wenny, J. J. DeLuisi, G. K. Yue and I. V. Petropavlovskikh, 1997. A study of the diffuse to direct solar irradiance ratio and aerosol optical depth in the southeastern US. IN: Proceedings of A&WMA/AGU Specialty Conference on Visual Air Quality, Aerosol, and Global Radiation Balance, September 9-12, Bartlett, NH, 1997. published by American Meteorological Society.
Saxena, V. K., Yu, Shaocai, and Anderson, J.1997. On the spatial, temporal, and seasonal variations of climatological variables, and the impact of stratospheric volcanic aerosols on radiative forcing in the Southeastern US. IN: Proceedings of Eight Symposium on Global Change Studies, AMS, Long Beach, CA,1997, pp17-25.
Yu, Shaocai, Chen, Zemian, Cai, Xiaopin, 1996. A simultaneous study of acid precipitation in the rapidly developing areas of Xiamen, Quanzhou, Zhangzhou and Tongan in the southeast coast of China. IN: Proceedings of 12th international conference on clouds and precipitation. 19-23 August 1996, Zurich, Switzerland, PP 1080-1083, published by Elsevier Science Publishers.
Yu, Shaocai, 1996. CCN-Cloud-Climate hypothesis: Chemical Role. IN: Proceedings of 14th International Conference on Nucleation and Atmospheric Aerosols. 26-30 August, 1996, Helsinki, Finland, P 915-918, published by Elsevier Science Publishers.
Saxena, V. K., Aneja, V.P., Yu, Shaocai, Lin, N.H., Li, Xin. 1995. A comparative study of acid deposition on montane forest ecosystem in the eastern US and eastern Asia. IN: Proceeding of WMO-IGAC Conference on the Measurement and Assessment of Atmospheric Composition Change. Beijing, China, October 9-13, 1995, published by World Meteorological Organization.
Yu, Shaocai, Chen, Xiaojian., and Chen, Zemian., 1992. A study of spring rain, mold rain and typhoon rain in the oceanic environment of Xiamen Island. IN: Proceedings of the 11th International Conference on Cloud and Precipitation. Montreal, Canada, Aug. 17-21, 1992: 723-726, published by Elsevier Science Publishers.
Yu, Shaocai, Bi, Mutian., Lin, Xin., 1989. Sampling methods for formic acetic acids in the atmosphere. IN: Proceedings of the International Meeting on Global and Regional Atmospheric Chemistry, Beijing, China, May 3-8, 1989; P 751-752, published by Energy Department of U.S.A.
Lin, Xin, Chen, Bozeng and Yu, Shaocai, The comparative study about the analysis of ion concentration by IC in the acid rain. Proceedings of the Second National Ion Chromatography Conference, Beijing, China, October 2-6, 1989; P 125-136.

Reports:

V.K. Saxena, J. Anderson, Yu, Shaocai, 1999. Stratospheric Aerosol and Gas Experiment: SAGE II (NASA Constract No. NAS1-18944) covering the period: Feb 1998-Jan 1999. Annual progress report. NASA Langley Research Center, MS 475, Hampton, VA.
V.K. Saxena, S. Menon, Shaocai Yu and C. Petrusak, 1998. Direct and cloud-mediated effects of aerosols in counteracting greenhouse warming in the southeastern US. In: Annual Report Fiscal Year 1997, National Institute of Global Environmental Change (NIGEC), Univ. of CA, Davis.
V.K. Saxena, S. Menon, C. Bahrmann, Shaocai Yu, B. Wenny and J. Anderson, 1997. Direct and cloud-mediated effects of aerosols in counteracting greenhouse warming in the southeastern US. In: Annual Report Fiscal Year 1996, National Institute of Global Environmental Change (NIGEC), Univ. of CA, Davis, 56-60.
V.K. Saxena, S. Menon, P.A. Durkee, W.P. Robarge, J. Anderson, B.N. Wenny, C.K. Deninger, B.D. Logie, J.S. Schafer, J.C. Ulman, Shaocai Yu and C. Bahrmann. 1997. Cloud-Climate Feedback Mechanisms: Impact of Reduction in Fossil-Fuel Emissions. Submitted in Partial Fulfillment of U.A. Project No. 91NCS48-05 from the Southeast Regional Center of the National Institute for Global Environmental Change.
V. K. Saxena, S. Menon, C. Bahrmann, Shaocai Yu, B. Wenny and J. Anderson, 1996. Direct and cloud-mediated effects of aerosols in counteracting greenhouse warming in the Southeastern US. NIGEC annual report, pp4.
V. K. Saxena, Shaocai Yu, S. Menon, J. Anderson, B. N. Wenny, and C. Bahrmann, 1995. Consequences of anticipated greenhouse warming in the southeast US. NIGEC annual report, pp4.
Yu, Shaocai, 1992. Investigation about situation sources and causes of acid precipitation in the oceanic environment of Xiamen Island. P199. Xiamen Environmental Protection Agency report (in Chinese).
Yu, Shaocai, 1991. Assessment of environmental effects of DongDu oil factory in Xiamen city. pp110, Xiamen Environmental Protection Agency report (in Chinese).
Tang Xiaoyan, Bi, Mutian, Lin Xin, Wang WenXin, Zhang Yanghang, Sun Qinrui, Chen Bozhen, Yu Shaocai et al. The final report about the investigation of sources, effects and control strategies of acid rain in the Southern China. 1990. Center of Environmental Science, Peking University, Beijing China (in Chinese).

Theses finished:

Yu, Shaocai, 1985. A study about artificial nitrate and sulfate on several types of filters in the process of sampling aerosols. B.S. thesis. pp 50, Dept. of Technical Physics, Peking University.
Yu, Shaocai, 1988. An investigation about the organic acids in the acid rain and the atmosphere, and their natural sources. M.S. thesis. pp 60, Center for Environmental Sciences, Peking University.
Yu, Shaocai, 1996. On the spatial, temporal, and seasonal variations of climatological variables, and the impact of stratospheric volcanic aerosols on radiative forcing in the Southeastern US. M.S. thesis. pp 108, Dept. of Marine, Earth and Atmospheric Sciences, North Carolina State University.
Yu, Shaocai, 1999. A Study of Direct and Cloud-mediated Radiative Forcing of Climate by Aerosols in the southeastern US, Ph.D. dissertation, pp 254, Dept. of Marine, Earth and Atmospheric Sciences, North Carolina State University.

Atmospheric Modeling

Research & Development | National Exposure Research Laboratory

Dr. Shaocai Yu

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