Dr. Timothy K Gates

Publications

Journal Articles Top
55 Lurtz, M. R., Morrison, R. R., Gates, T. K., Senay, G. B., Bhaskar, A. S., and Ketchum, D. G.  2020.  “Relationships between riparian evapotranspiration and groundwater depth along a semi-arid irrigated river valley.”  Hydrol. Proc., In Press. 2020
54 Rohmat, F.*, Labadie, J. W., and Gates, T. K.  2019. “Deep learning for compute-efficient modeling of BMP impacts on stream-aquifer exchange and water law compliance in an irrigated river basin”. J. Environ. Model. Software, 122, 104529 2019
53 Tavakoli-Kivi, S.*, Bailey, R. T., and Gates, T. K. “A salinity reactive transport and equilibrium chemistry model for regional-scale agricultural groundwater systems.”  J. Hydrology, 274 – 293. 2019
52 Bailey, R. T., Gates, T. K., and Ahmadi, M. 2014. “Simulating reactive transport of selenium coupled with nitrogen in a regional-scale irrigated groundwater system.” Journal of Hydrology, 515: 29 — 46. 2018
51 Shultz, C. D. *, Gates, T. K., and Bailey, R. T.  2018.  “Evaluating best management practices to lower selenium and nitrate in groundwater and streams in an irrigated river valley using a calibrated fate and reactive transport model.”  J. Hydrology, 566, 299 – 312. 2018
50 Shultz, C. D. *, Bailey, R. T., Gates, T. K., Heesemann, B. E. *, and Morway, E. D.  2018. “Simulating selenium and nitrogen fate and transport in coupled stream-aquifer systems of irrigated regions.”  J. Hydrology, 560, 512 – 529. 2018
49 Huizenga, A. *, Bailey, R. T., and Gates, T. K.  2017. “In-stream and stream-aquifer processes affecting nitrogen along a major river and contributing tributary.”  J. Contaminant Hydrology, 24 – 35 2017
48 Sharp, M., Hoag, D., Bailey, R. T., Romero, E. C.* , and Gates, T. K.  2016.  “Institutional constraints on cost-effective water management:  Selenium contamination in Colorado’s Lower Arkansas River Valley.”  J. Amer. Water Resour. Assoc., 52(6), 1420 – 1432. 2016
47 Bailey, R. T., Ahmadi, M., Gates, T. K., and Arabi, M.  2015. “Spatially-distributed influence of agro-environmental factors governing nitrate fate and transport in an irrigated stream-aquifer system.”   Hydrology and Earth Systems Sciences, 19, 4859 – 4876. 2015
45 Bailey, R. T., Gates, T. K., and Romero, E. C. * 2015.  “Assessing the effectiveness of land and water management practices on nonpoint source nitrate levels in an alluvial stream-aquifer system.”  J. Contaminant Hydrology, 179:  102 – 115. 2015
45 Bailey, R. T., Gates, T. K., and Ahmadi, M. 2014. “Simulating reactive transport of selenium coupled with nitrogen in a regional-scale irrigated groundwater system.” Journal of Hydrology, 515: 29 — 46. 2014
45 Bailey, R. T., Gates, T. K., and Ahmadi, M. 2014. “Simulating reactive transport of selenium coupled with nitrogen in a regional-scale irrigated groundwater system.” Journal of Hydrology, 515: 29 — 46. 2014
44 Martin, C. A., and Gates, T. K. 2014. “Uncertainty of canal seepage losses estimated using flowing water balance with acoustic Doppler devices.” Journal of Hydrology, 517: 746 — 761. 2014
43 Bailey, R. T., Romero, E. C., and Gates, T. K. 2014. “Assessing best management practices for remediation of selenium loading in groundwater to streams in an irrigated region.” Journal of Hydrology, In Press. 2014
42 Alzraiee, A. H., Gates, T. K., and Garcia, L. A. “Modeling subsurface heterogeneity of irrigated and drained fields: II. Multivariate stochastic analysis of root-zone hydrosalinity and crop yield.” J. Irrigation and Drainage Engrg., 139(10): 809-820. 2013
41 Alzraiee, A. H., Garcia, L. A., and Gates, T. K. 2013. “Modeling subsurface heterogeneity of irrigated and drained fields: I. Model development and testing.” J. Irrig. Drain. Engrg., 139(10): 797-808. 2013
40 Bailey, R. T., Gates, T. K., and Halvorson, A. D. 2013. “Simulating variably-saturated reactive transport of selenium and nitrogen in shallow agricultural groundwater systems.” J. Contaminant Hydrology, 149: 27 – 45. 2013
39 Morway, E. D., Gates, T. K., and Niswonger, R. G. 2013. “Appraising options to reduce shallow groundwater tables and enhance flow conditions over regional scales in an irrigated alluvial aquifer system” Journal of Hydrology, 495: 216-237. 2013
38 Morway, E. D., and Gates, T. K. (2012). “Regional assessment of soil water salinity across an intensively irrigated river valley.” Journal of Irrigation and Drainage Engineering, 138(5): 393-405. 2012
37 Bailey, R. T., Hunter, W. J., and Gates, T. K. (2012). “The influence of nitrate on selenium in irrigated agricultural groundwater systems.” Journal of Environmental Quality, 41(3): 783 -792. 2012
36 Bailey, R.T., Bau, D. A., and Gates,T.K. 2012.”Estimating spatially-variable rate constants of denitrification in an irrigated agricultural groundwater system using an ensemble smoother.” J. Hydrology, 468-469:188-202. 2012
35 Bailey, R. T., Morway, E. D.,Niswonger, R. G., and Gates, T. K. 2012. “Modeling variably-saturated multi-species reactive groundwater solute transport with MODFLOW-UZF and RT3D.”Ground Water,doi/10.111/j.1745-6584.2012.01009.x.2012. 2012
34 Niemann, J. D., Lehman, B. M., Gates, T. K., Hallberg, N. U., and Elhaddad, A. (2011). “Impact of shallow groundwater on evapotranspiration losses from uncultivated land in an irrigated river valley.” Journal of Irrigation and Drainage Engineering, 137(8): 501 — 512.  Read this online 2011
33 Triana, E., Labadie, J. W., and Gates, T. K. 2010. “River GeoDSS for agro-environmental enhancement of Colorado’s Lower Arkansas River Basin. I: Model development and calibration.” Journal of Water Resources Planning and Management, 177 – 189. 2010
32 Triana, E., Gates, T. K., and Labadie, J. W. 2010. “River GeoDSS for agro-environmental enhancement of Colorado’s Lower Arkansas River Basin. II: Evaluation of strategies.” Journal of Water Resources Planning and Management, 190 – 200. 2010
31 Triana, E., Labadie, J. W., Gates, T. K., and Anderson, C. W. 2010. “Neural network approach to stream-aquifer modeling for improved river basin management.” Journal of Hydrology, 391(3-4): 235 – 247.  Read this online 2010
30 Gates, T. K., Cody, B. M., Herting, A. W., Donnelly, J. P., Bailey, R. T., and Mueller Price, J. “Assessing selenium contamination in the irrigated stream-aquifer system of the Arkansas River, Colorado”. Journal of Environmental Quality. 38(6): 2344-2356. 2009
29 Mueller Price, J., and Gates, T.K. “Assessing uncertainty in mass balance calculation of river nonpoint source loads.” J. Environmental Engineering. 134(4):247 – 258. 2008
28 Burkhalter, J. P., and Gates, T. K. “Evaluating regional solutions to salinization and waterlogging in an irrigated river valley.” Journal of Irrigation and Drainage Engineering, ASCE, 132(1): 21 — 30. 2006
27 Wittler, J.M., Cardon, G.E., Gates, T.K., Cooper, C.A., and Sutherland, P.L. “Calibration of electromagnetic induction for regional assessment of soil water salinity in an irrigated valley.” J. Irrigation and Drainage Engineering, 132(5), 436-444. 2006
26 Burkhalter, J.P., and Gates, T.K. “Agroecological impacts from salinization and waterlogging in an irrigated rive valley.” Journal of Irrigation and Drainage Engineering. ASCE, 131(2): 197 – 209. 2005
25 Chiang, P C, and Gates, T.K.. “Strategic river water quality planning using calibrated stochastic simulation”. Journal of Water Resources Planning and Management, 130(3): 215 — 231. 2004
24 Gates, T. K., Burkhalter, J. P., Labadie, J. W., Valliant, J. C., and Broner, I. “Monitoring and modeling flow and salt transport in a salinity-threatened irrigated valley”. Journal of Irrigation and Drainage Engineering, 128(2): 87-99. 2002
23 Buhman, D. L., Gates, T. K., and Watson, C. C. “Stochastic variability of fluvial hydraulic geometry: Mississippi and Red rivers”. Journal of Hydraulic Engineering, 128(4): 426-437. 2002
22 de Azevedo, L.G.T., Gates, T.K., Fontane, D.G., Labadie, J. W., and Porto, R. 2000. “Integration of water quantity and quality in strategic river basin planning”. Journal of Water Resources Planning and Management, 126(2): 85-97.
a. Reprinted by permission in: Water Resources Journal, Sept. 2000, 22-40.
2000
21 Owen, W. J., Gates, T. K., and Flug, M. “Variability in perceived satisfaction of reservoir management objectives”. Journal of Water Resources Planning and Management, 123(3): 147 153. 1997
20 Fontane, D.G. , Gates T.K., and Moncada, E. “Planning reservoir operations with imprecise objectives”. Journal of Water Resources Planning and Management, 123(3): 154 162. 1997
19 Gates, T.K., and Al Zahrani, M.A. “Spatiotemporal stochastic open channel flow. I: Model, and its parameter data”. Journal of Hydraulic Engineering, 122(11): 641 651. 1996
18 Gates, T.K., and Al Zahrani, M.A. “Spatiotemporal stochastic open channel flow. II: Simulation experiments”. Journal of Hydraulic Engineering, 122(11): 652 661. 1996
17 Garcia, L.A., Manguerra, H.B., and Gates, T.K. “Irrigation drainage design and management model: Development.” Journal of Irrigation and Drainage Engineering, 121(1): 71 82 (1996 ASCE Best Research Paper Award, Journal of Irrigation and Drainage Engineering). 1995
16 Gates, T.K., and Ahmed, S.I. “Sensitivity of predicted irrigation delivery performance to hydraulic and hydrologic uncertainty”. Agricultural Water Management, 27(3 4): 267 282. 1995
15 Warner, J.W., Gates, T.K., Namvargolian, R., Miller P. and Comes, G. “Sediment and microbial fouling of experimental groundwater recharge trenches”. Journal of Contaminant Hydrology, 15(4): 321 344. 1994
14 Gates, T.K., and Alshaikh, A.A. “Stochastic design of hydraulic structures in irrigation canal networks”. Journal of Irrigation and Drainage Engineering, 119(2): 346 363. 1993
13 Bakry, M.F., Gates, T.K., and Khattab, A.F. “Field measured hydraulic resistance characteristics in vegetation infested canals”. Journal of Irrigation and Drainage Engineering, 118(2): 256 274. 1992
12 Gates, T.K., Alshaikh, A.A., Ahmed, S.I., and Molden, D.J. “Optimal irrigation delivery system design under uncertainty.” Journal of Irrigation and Drainage Engineering, 118(3): 433 449. 1992
11 Mankarious, W.F., Gates, T.K., and Rady, M.A.H. “Irrigation of small level basins in Egypt”. Journal of Irrigation and Drainage Engineering, 117(3): 361 376. 1991
10 Warner, J.W., Gates, T.K., Attia, F.A.R., and Mankarious, W.F. “Vertical leakage in Egypt’s Nile Valley: Estimation and implications”. Journal of Irrigation and Drainage Engineering, 117(4): 515 533. 1991
9 Gates, T.K., Heyder, W.E., Fontane, D.G., and Salas, J.D. “Multicriterion strategic planning for improved irrigation delivery. I: Approach”. Journal of Irrigation and Drainage Engineering, 117(6): 897 913. 1991
8 Heyder, W.E., Gates, T.K., Fontane, D.G., and Salas, J.D. “Multicriterion strategic planning for improved irrigation delivery. II: Application”. Journal of Irrigation and Drainage Engineering, 117(6): 914 934. 1991
7 Molden, D.J., and Gates, T.K. “Performance measures for evaluation of irrigation water delivery systems”. Journal of Irrigation and Drainage Engineering, 116(6): 804 823. 1990
6 Gates, T.K., and Grismer, M.E. “Irrigation and drainage strategies in salinity affected regions”. Journal of Irrigation and Drainage Engineering, 115(2): 255 284. 1989
5 Gates, T.K., Wets, R. J B, and Grismer, M.E. “Stochastic approximation applied to optimal irrigation and drainage planning”. Journal of Irrigation and Drainage Engineering, 115(3): 488 502 1989
4 Grismer, M.E., and Gates, T.K. “Estimating saline water table contributions to crop water use”. California Agriculture, 42(2): 23 24. 1988
3 Grismer, M.E., Gates, T.K., and Hanson, B.R. “Irrigation and drainage strategies in salinity problem areas”. California Agriculture, 42(5): 23 24. 1988
2 Gates, T.K., and Grismer, M.E. “Optimal management of saline water tables in irrigated regions”. California Agriculture, 41(3): 20 21. 1987
1 Gates, T.K., and Clyma, W. “Designing furrow irrigation systems for improved seasonal performance”. Transactions of the American Society of Agricultural Engineers, 27(6): 1817 1824. 1984
Book Chapters and Books Top
1 Grismer, M.E. and Gates, T.K. “Hydrologic aspects of saline water table management in regional shallow aquifers”. Chapter 4 in A. Dinar and D. Zilberman, eds. The Economics and Management of Water and Drainage in Agriculture, Kluwer Academic Publishers, Boston, pp. 51 70. 1991