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Atmospheric Physics



The Climate and Radiation Group (CARG) is being developed as a core research component in the Department of Physics and Astronomy and the Howard University Program in Atmospheric Sciences (HUPAS). CARG is also a key participant in Center for the Study of Terrestrial and Extraterrestrial Atmospheres (CSTEA) and the NOAA-Howard University Cooperative Center for Atmospheric Sciences. CARG’s overall research goal is to investigate unresolved questions in climate change and its impact on society. CARG is particularly interested in engaging in research that contributes: To an improved understanding of the the role of clouds and the H2O cycle in climate through the development and application of climate models and innovative techniques in remote sensing: To understanding the impact of climate on public health.




George Caruthers, Belay Demoz, Greg Jenkins, Everette Joseph, Demetrius Venable,


Recent Select Publications


M. Adam, D. Venable, R. Connell, E. Joseph, D. N. Whiteman, B. B. Demoz. Performance of the Howard University Raman Lidar during 2006 WAVES campaign, (Accepted for publication in Journal of Optoelectronics and Advanced Materials)


Raman Lidar Measurements During the International H2O Project. I. Instrument and Analysis Techniques. D. N. Whiteman, H. Demoz, J. Comer, I. Veselovskii, K. Evans, Z. Wang, M. Cadirola, G. Schwemmer, B. Gentry, S. H. Melfi, B. Mielke, D. Venable, and T. Van Hove, Journal of Atmospheric and Oceanic Technology, 23, 157-169 (2006).


Late 20th century attribution of drying trends in the Sahel from the Regional Climate Model (RegCM3). G. S. Jenkins, A. Gaye, B. Sylla. GRL, 32, doi: 10.1029/2005GL024225 (2005).


Lightning-tropospheric ozone connections: EOF analysis of TCO and lightning data. Ryu, J-H, G. S. Jenkins, Atmospheric Environment, 39, 599-5805., 2005.


Ship-Based Measurements for Infrared Sensor Validation During AEROSE 2004-2005. N. R. Nalli, P. Clemente-Colon, P. Minnett, M. Szczodrak, V. Morris, E. Joseph, M. Goldberg, C. Barnet, W. Wolf, A. Jessup, R. Branch, R. O. Knuteson and W. F. Feltz, J. Geophys. Res., (Accepted)


Profile Observations of the Saharan Air Layer During: 2005 AEROSE 2004 2005. N. Nalli, Pablo Clemente-Colon, V. Morris, E. Joseph, M. Goldberg, M. Szczodrak, P. Minnett, and J. Shannahoff, Geophys. Res. L. (Accepted) 2005:


“Hands-on” Diversity: Training Underrepresented Students Through Atmospheric Experimentation. E. Joseph, J. D. Fuentes, B. Demoz, D. Venable, E. Daniel Carre, F. Nzeffe, S. Walford, M. Robjhon, R. Pearson, K. Apodaca, R. Mahecha, H. Moore, J. Seymore, BAMS (Accepted)


Thompson , A. M., J B Stone , J. C Witte , S. K Miller , S. J. Oltmans , T. Kucsera, J. Merrill , G. Forbes , D. Tarasick , E. Joseph , F J Schmidlin , W. W. McMillan , J. Warner , E. J Hintsa, J. Johnson. IONS-04 (INTEX Ozonesonde Network Study, 2004). , J. Geophys. Res, (accepted), 2007


Thompson , A. M., J B Stone , J. C Witte , S. K Miller , S. J. Oltmans , T. Kucsera, J. Merrill , G. Forbes , D. Tarasick , E. Joseph , F J Schmidlin , W. W. McMillan , J. Warner , E. J Hintsa, J. Johnson. Tropospheric Ozone Budgets and Variability over Northeastern North America, J. Geophys. Res, (accepted), 2007


Thompson, A. M., J. B. Stone, J. C. Witte, R. B. Pierce, S. J. Oltmans, O. R. Cooper, B. F. Taubman, R. B.Chatfield, B. J. Johnson, E. Joseph, T. L. Kucsera, J. T. Merrill, G. A. Morris, S. Hersey, M. J. Newchurch, F. J. Schmidlin, D. W. Tarasick, V. Thouret, J. P. Cammas. IONS (INTEX Ozonesonde Network Study, 2004): Perspective on Summertime UT/LS (Upper Troposphere/Lower Stratosphere) Ozone over Northeastern North America, J. Geophys. Res., 10.129/2006JD007441, (accepted), 2007


Morris, V., P. Clemente-Colón, N. R. Nalli, E. Joseph, R. A. Armstrong, Y. Detrés, M. D. Goldberg, P. J. Minnett, R. Lumpkin (2006). Measuring Trans-Atlantic Aerosol Transport From Africa, Eos Trans. AGU, 87(50), 565, doi:10.1029/2006EO500001


Morris, V. T.-W. Yu, E. Joseph, R. Armstrong, R. Fitzgerald, R. Karim, X.-Z. Liang, and Q. Min 2006. The NOAA