Christopher Y. Choi, Ph.D.
Professor
Department of Agricultural and Biosystems Engineering
Shantz Bldg. No. 38, Rm 509
The University of Arizona, Tucson, Arizona
85721


Recent Refereed Journal Articles

2008

Sinclair, R. G., C. Y. Choi, M. R. Riley, C. P. Gerba, 2008, Pathogen Surveillance through Monitoring of Sewer Systems, Advances in Applied Microbiology. 65 pp. 249-269.

2008

Romero-Gomez, P., C. K. Ho, and C. Y. Choi, Mixing at Cross Junctions in Water Distribution Systems – Part I. A Numerical Study, ASCE Journal of Water Resources Planning and Management 134:3 pp. 284-294.

2008

Austin, R. G., B. van Bloemen Waanders, S. McKenna and C. Y. Choi, Mixing at Cross Junctions in Water Distribution Systems – Part II. An Experimental Study, ASCE Journal of Water Resources Planning and Management 134:3 pp. 295-302.

2008

O’Shaughnessy, S. A.,  I. Song, J. F. Artiola, and C. Y. Choi, Nitrogen Loss during Solar Drying of Biosolids, Environmental Technology 29: pp. 55-65.

2008

O’Shaughnessy S. A.., M. Y. Kim, and C. Y. Choi, Mathematical model to predict pathogen die-off in biosolids, Journal of Residuals Science and Technology. 5:2, pp. 87-93.

2008

Romero-Gomez, P., I. L. Lopez-Cruz and C. Y. Choi, Analysis of Greenhouse National Ventilation under the Environmental Conditions of Central Mexico, Transactions of the ASABE, 51:5, pp. 1753-1761.

2008

Kim M., C. Y. Choi, and C. P. Gerba, Source Tracking of Microbial Intrusion in Water Systems Using Artificial Neural Networks, Water Research 42:4-5, pp. 1308-1314.

2007

Tamimi, A. H., C. P. Gerba, B. Hayek, C. Y. Choi, and R. J. Freitas, 2007, Characterization of the Quality of Drying Bed Treated Biosolids in Jordan, Journal of Residuals Science and Technology, 4:3. , pp. 109-115.

2007

Choi, C. Y., I. Song, and S. Kwun, Irrigation with Reclaimed Water and Risk of Microbial Crop Contamination, Journal of the Korean Society of Agricultural Engineers,  49:2, pp. 87-97.

2007

Song, I., P. M. Waller, and Choi, C. Y., S. Kwun, Water Use Efficiency of Subsurface Drip Irrigation and Furrow Irrigation,  Journal of the Korean Society of Agricultural Engineers 49:3, pp. 3-13.

2006

Song, I., S. W. Stine, C. Y. Choi, and C. P. Gerba, Comparison of crop contamination by microorganisms during subsurface drip and furrow irrigation. ASCE Journal of Environmental Engineering. 132:10, pp. 1243-1248.

2006

Suarez-Rey, E.M., C. Y. Choi, W.B. McCloskey, and D.M. Kopec, Effects of Chemicals on Root Intrusion into Subsurface Drip Emitters, ICID Journal of Irrigation and Drainage. 55, pp. 501-509.

2006

Al-Hmoud, N., S.A. O’Shaughnessy, W. Suleiman, C.P.Gerba, and C. Y. Choi, Disinfection of Enteric Bacterial Pathogens and Indicators in Biosolids Using Solar Drying in Jordan, Journal of Residuals Science and Technology, 3:4. , pp. 185-191.

2005

Choi, C. Y., M. Grabau, S. A. O’Shaughnessy, and I. L. Pepper, Pathogen Reduction in Biosolids for Land Application, Journal of Residuals Science and Technology, 2:3, pp. 153-171.

2005

Stine, S. W., I. Song, C. Y. Choi and C. P. Gerba, The effect of relative humidity on pre-harvest survival of bacterial and viral pathogens on the surface of cantaloupe, lettuce, and bell pepper, Journal of Food Protection, 68:7, pp. 1352-1358.

2005

Stine, S. W., I. Song, C. Y. Choi and C. P. Gerba, Application of Microbial Risk Assessment to the Development of Standards for Enteric Pathogens in Water Used to Irrigate Produce, Journal of Food Protection, 68:5, pp. 913-918.

2005

Song, I., C. Y. Choi, O'Shaughnessy, S., and C. P. Gerba, The effects of temperature and moisture on coliphage PRD-1 survival in soil, Journal of Food Protection, 68:10, pp. 2118-2122.

2004

Choi, C. Y., I. Song, S. W. Stine, J. Pimentel, C. P. Gerba, Role of Irrigation Methods on Effluent Quality and Viral Contamination for Lettuce Production, Journal of Water Science and Technology. 50:2 pp. 61–68.

2004

Choi, C. Y. and E. Suarez-Rey, Subsurface Drip Irrigation for Bermudagrass with Reclaimed Water, Transactions of the ASAE. 47:6, pp.1943-1951.

2003

Enriquez C., A. Alum, E. M. Suarez-Rey, C. Y. Choi, G. Oron and C. P. Gerba. MS2 and PRD1 in turfgrass by subsurface drip irrigation. ASCE J. Environmental Engineering Eng. 129:9, pp. 852-857.

2003

Colaizzi, P. D., E. M. Barnes, T. R. Clarke, C. Y. Choi, and P. M. Waller. Estimating soil moisture under low-frequency surface irrigation using the CWSI. ASCE J. Irrigation and Drainage Eng, Vol. 129, No. 1, pp. 27-35.

2003

Colaizzi, P. D., E. M. Barnes, T. R. Clarke, C. Y. Choi, and P. M. Waller. Water Stress Detection under High Frequency Sprinkler Irrigation using WDI. ASCE J. Irrigation and Drainage Eng, Vol. 129, No. 1, pp. 36-43.

2003

Kostrzewski, M., P. Waller, P. Guertin, J. Haberland, P. Colaizzi, E. Barnes, T. Thompson, T. Clarke, E. Riley, and C. Y. Choi. Ground-based remote sensing of water and nitrogen stress. Transactions of the ASAE. 46(1): 29-38.


Recent Book Chapters

2008

Pepper, I. L., C. Y. Choi, and C. P. Gerba, Chapter 28. Microorganisms and Bioterrorism, Environmental Microbiology, Eds. R. Maier, I.L. Pepper, and C.P. Gerba. Academic Press.

2006

Gerba, C. P. and C. Y. Choi, Role of Irrigation water in Crop Contamination by Viruses, Book Chapter, Viruses in Foods, Eds., S. Goyal, pp. 257-263.