Dr. Daniel J. Ashworth

Department of Environmental Sciences

University of California, USA

Associate Project Scientist

Email: daniel.ashworth@ucr.edu

Qualifications

2001  Ph.D., University of Reading, UK

1996  M.S., University of London, UK

1995  B.S., University of Plymouth, UK

Publications (Selected)

Books, Book Chapters, Dissertation

1. Ashworth, D. J. and Shaw, G. 2010. Chlorine. In: Atwood, D. (Ed) Encyclopedia of Inorganic Chemistry: Radionuclides in the Environment. John Wiley & Sons Ltd, Chichester.
2. Shaw, G. and Ashworth, D. J. 2010. Selenium. In: Atwood, D. (Ed) Encyclopedia of Inorganic Chemistry: Radionuclides in the Environment. John Wiley & Sons Ltd, Chichester.
3. Ashworth, D. J. and Yates, S.R. 2010. Methyl Iodide. In: Krieger, R. (Ed) 3^rd Edition of the Hayes’ Handbook of Pesticide Toxicology. Academic Press, San Diego.
4. Ashworth, D. J. 2009. Transfers of iodine in the soil-plant-air system. In: Preedy, V. (Ed), The Comprehensive Handbook on Iodine. Elsevier Academic Press, London.
5. Wheater, H. S., Bell, J. N. B., Butler, A. P., Jackson, B. M., Ciciani, L., Ashworth, D. J. and Shaw, G. 2007. Biosphere Implications of Deep Disposal of Nuclear Waste: the Upwards Migration of Radionuclides in Vegetated Soils. Imperial College Press, London.

Journals

1. Ashworth, D. J., Luo, L. and Yates, S. R. 2013. Pesticide emissions – fate and predictability. Outlooks on Pesticide Management, 24, 4-7
2. Ashworth, D. J., Luo, L., Xuan, R. and Yates, S. R. 2012. Phase partitioning, retention kinetics and leaching of fumigant methyl iodide in agricultural soil. Science of the Total Environment, 432, 122-127.
3. Ashworth, D. J., Luo, L., Xuan, R. and Yates, S. R. 2011. Irrigation, organic matter addition, and tarping as methods of reducing emissions of methyl iodide from agricultural soils. Environmental Science and Technology, 45, 1384-1390.
4. Ashworth, D. J., Luo, L., Xuan, R. and Yates, S. R. 2010. 1,3-dichloropropene and chloropicrin emissions from soil following simulated drip irrigation to raised beds under plastic films. Environmental Science and Technology, 44, 5793-5798.
5. Ashworth, D. J., Ernst, F., Xuan, R. and Yates, S. R. 2009. Laboratory assessment of emission reduction strategies for the agricultural fumigants 1,3-dichloropropene and chloropicrin. Environmental Science and Technology, 43, 5073-5078.
6. Ashworth, D. J., Ernst, F. F. and Yates, S. R. 2008. Soil chamber method for determination of drip-applied fumigant behavior in bed-furrow agriculture: application to chloropicrin. Environmental Science and Technology, 42, 4434-4439.
7. Ashworth, D. J., Zheng, W. and Yates, S. R. 2008. Determining breakthrough of the soil fumigant chloropicrin from 120 mg XAD-4 sorbent tubes. Atmospheric Environment, 42, 5483-5488.
8. Ashworth, D. J., Moore, J. and Shaw, G. 2008. Effects of soil type, moisture content, redox potential and methyl bromide fumigation on in-situ K_d values for radio-selenium in soil. Journal of Environmental Radioactivity, 99, 1136-1142.
9. Ashworth, D. J. and Alloway, B. J. 2008. Effects of the manipulation of organic matter solubility on the solubility of heavy metals in sewage sludge-amended soil. Communications in Soil Science and Plant Analysis, 39, 538-550.
10. Ashworth, D. J. and Yates, S. R. 2007. Surface irrigation reduces the emission of volatile 1,3-dichloropropene from agricultural soils. Environmental Science and Technology, 41, 2231-2236.
11. Ashworth, D. J. and Alloway, B. J. 2007. Complexation of copper by sewage sludge-derived dissolved organic matter: effects on soil sorption behavior and plant uptake. Water, Air and Soil Pollution, 182, 187-196.
12. Ashworth, D. J. and Shaw, G. 2006. Effects of moisture content and redox potential on in-situ Kd values for radioiodine in soil.Science of the Total Environment, 359, 244-254.
13. Ashworth, D. J. and Shaw, G. 2006. A comparison of the soil migration and plant uptake of ³⁶Cl and ¹²⁵I under conditions of fixed and fluctuating water tables. Journal of Environmental Radioactivity, 89, 61-80.
14. Ashworth, D. J. and Shaw, G. 2006. Soil migration, plant uptake and volatilization of radio-selenium. Science of the Total Environment, 370, 506-514.
15. Ashworth, D. J. and Shaw, G. 2005. Soil migration and plant uptake of technetium from a fluctuating water table.Journal of Environmental Radioactivity, 81, 155-171.
16. Ashworth, D. J. and Alloway, B. J. 2004. Soil mobility of sewage sludge-derived dissolved organic matter, copper, nickel and zinc. Environmental Pollution, 127, 137-144.
17. Ashworth, D. J., Shaw, G., Butler, A. P. and Ciciani, L. 2003. Soil transport and plant uptake of radio-iodine from near-surface groundwater. Journal of Environmental Radioactivity, 70, 99-114.