PUBLICATIONS ResearcherID: http://www.researcherid.com/rid/A-2867-2008
Journal articles
_________________________________________________________________________________________________________________________________________
2012
41. Ajay Kalra and Sajjad Ahmad (2012), Estimating annual precipitation for the Colorado River Basin using oceanic-atmospheric oscillations, Water Resources Research (accepted).
40. Srijana Dawadi and Sajjad Ahmad (2012), Changing Climatic Conditions in the Colorado River Basin: Implications for Water Resources Management, Journal of Hydrology, 430–431: 127–141; doi: 10.1016/j.jhydrol.2012.02.010.
39. Ali Mirchi, Kaveh Madani, David Watkins, Jr., and Sajjad Ahmad (2012), Synthesis of System Dynamics Tools for Holistic Conceptualization of Water Resources Problems, Water Resources Management, DOI: 10.1007/s11269-012-0024-2.
38. Ajay Kalra, William P. Miller, Kenneth W. Lamb, Sajjad Ahmad, Thomas Piechota (2012), Using large scale climatic patterns for improving long lead time streamflow forecasts for Gunnison and San Juan River Basins, Hydrological Processes, DOI: 10.1002/hyp.9236.
37. Eleeja Shrestha, Sajjad Ahmad, Walter Johnson, and Jacimaria R. Batista, (2012). The carbon footprint of water management policy options, Energy Policy 42: 201-212; doi: 10.1016/j.enpol.2011.11.074.
2011
36. Kalra A. and Ahmad S. (2011), Evaluating changes and estimating seasonal precipitation for Colorado River Basin using stochastic non-parametric disaggregation technique, Water Resources Research, 47, W05555.
35. Puri, S., Stephen, H., Ahmad, S. (2011), Relating TRMM Precipitation Radar Land Surface Backscatter Response to Soil Moisture in the Southern United States, Journal of Hydrology, 402(1-2): 115-125.
34. Puri,
S., Stephen, H., Ahmad, S. (2011), Relating TRMM Precipitation Radar
Backscatter to Water Stage in Wetlands, Journal of Hydrology,
401(3-4):
240-249.
33. Arjun K. Venkatesan, Sajjad Ahmad, Walter Johnson and Jacimaria. R. Batista (2011), Salinity Reduction and Energy Conservation in Direct and Indirect Potable Water Reuse, Desalination, 272 (1-3):120-127.
32. Eleeja
Shrestha, Sajjad Ahmad,
Walter Johnson, Pramen Shrestha,
and Jacimaria R. Batista, (2011), Carbon Footprint of
Water Conveyance versus Desalination as Alternatives to Expand Water Supply,
Desalination,
280
(1-3): 33-43.
31. Arjun K. Venkatesan, Sajjad Ahmad, Walter Johnson and Jacimaria.
R. Batista (2011), System Dynamics Model to Forecast
Salinity Load to the Colorado River Due to Urbanization within the Las Vegas
Valley, Science of the Total Environment 409(13): 2616-2625.
30. Kamal Qaiser, Sajjad Ahmad, Walter Johnson and Jacimaria Batista (2011), Evaluating the impact of water conservation on fate of outdoor water use: A study in an arid region, Journal of Environmental Management 92(8): 2061-2068.
29. William Forsee
and Sajjad Ahmad (2011), Evaluating Urban Stormwater Infrastructure Design in Response to Projected
Climate Change, ASCE Journal of Hydrologic Engineering 16(11): 865-873. doi:10.1061/(ASCE)HE.1943-5584.0000383.
28. Melesse, A.M., Ahmad, S., McClain, ME., Wang, X., Lim, YH. (2011), Suspended Sediment Load Prediction of River Systems: An Artificial Neural Networks Approach, Agricultural Water Management 98(5): 855-866.
27. Eleeja Shrestha, Sajjad Ahmad, Walter Johnson, and Jacimaria
R. Batista, (2011). The carbon
footprint associated with water management policy options in the Las Vegas
Valley, Nevada, Journal of the Nevada Water Resources Association, 6(1): 2-9.
____________________________________________________________________________________________________________________________________
2010
26. Sajjad Ahmad, Ajay Kalra and Haroon Stephen (2010), Estimating Soil Moisture using
Remote Sensing Data: A Machine Learning Approach, Advances in Water Resources.
33(1) 69-80.
25. Haroon Stephen, Sajjad Ahmad,
Thomas C. Piechota, Tang C., (2010), Relating
Surface Backscatter Response from TRMM Precipitation Radar to Soil Moisture:
Results over a Semi-Arid Region, Hydrology and Earth System Sciences, 14(2), 193-204.
24. Haroon Stephen, Sajjad Ahmad, and
Thomas C. Piechota (2010), Land
Surface Brightness Temperature Modeling Using Solar Insolation,
IEEE Transactions on Geoscience and Remote
Sensing. 48(1) 491-498.
23. Sajjad Ahmad and Dinesh Prashar (2010), Evaluating Municipal Water Conservation Policies Using a Dynamic Simulation Model, Water Resources Management 24(13): 3371-3395.
22. Muhammad Masood Ahmad, Abdul Razzaq Ghumman, Sajjad Ahmad, and Hashim Nisar Hashmi (2010), Estimation of a Unique Pair of Nash Model Parameters: An Optimization Approach, Water Resources Management 24(12) 2971-2989.
____________________________________________________________________________________________________________________________________
Up to
2009
21. Ajay Kalra and Sajjad Ahmad (2009), Using oceanic-atmospheric oscillations for long lead-time stream flow forecasting, Water Resources Research, 45, W03413.
20. Masood Ahmad, Razzaq Ghumman and Sajjad Ahmad (2009), Estimation of Clark’s Instantaneous Unit Hydrograph Parameters and Development of Direct Surface Runoff Hydrograph, Water Resources Management, 23(12):2417-2435.
19. Neeraj Vedwan, Sajjad Ahmad, Fernando Miralles-Wilhelm, Kenneth Broad, David Letson, Guillermo Podesta (2008), Institutional evolution in Lake Okeechobee Management in Florida: Characteristics, Impacts, and Limitations, Water Resources Management, 22(6): 699-718.
18. Ahmad S and Franz GA (2008), Raising
Taxes to Reduce Smoking Prevalence: A Simulation of the Anticipated Health and
Economic Impacts, Public Health, 122 (1): 3-10.
17. Daniel Impoinvil; Robert Duncan; Rinku Roy Chowdhury; Joseph Keating;
Gabriel Cardenas; Sajjad Ahmad; Charles Mbogo; John Githure; and John Beier (2007). The association between distance to water pipes and water
bodies positive for anopheline mosquitoes (Diptera: Culicidae) in the urban
community of Malindi, Kenya” Journal of Vector
Ecology 32 (2): 319-327.
16. Daniel E. Impoinvil, Sajjad Ahmad, Adriana Troyo, Joseph Keating,
Andrew K. Githeko, Charles M, Mbogo,
Lydiah Kibe, John I. Githure, Adel M. Gad, Ali N. Hassan, Laor
Orshan, Alon Warburg, Olger Calderón-Arguedas, Victoria
M. Sánchez-Loría, Rosanna Velit-Suarez, Dave D. Chadee,
Robert J. Novak, and John C. Beier (2007). Comparison
of mosquito control programs in seven urban sites in Africa, the Middle East,
and the Americas, Health Policy, 83 (2-3): 196-212.
15. Mosquera-Machado S. and Ahmad S. (2007). Flood hazard assessment
of Atrato river in Colombia,
Water Resources Management. 21(3): 591-609.
14. Ahmad S and John Billimek (2007), Limiting youth access to tobacco: Comparing the long-term health impacts of increasing cigarette excise taxes and raising the legal smoking age to 21, Health Policy, 80: 378-391.
13. Ahmad S. and Simonovic S. P. (2006),
An intelligent decision support system for management
of floods, Water Resources Management, 20 (3): 391-410.
12. Ahmad S. and Simonovic
S. P. (2005), An Artificial Neural Network model for generating hydrograph from
hydro-meteorological parameters, Journal of Hydrology, 315 (1-4), 236-251.
11. Simonovic S. P. and Ahmad S.
(2005), Computer-based model
for flood evacuation emergency planning, Natural Hazards, 34(1) 25-51.
10. Tengs, T., Ahmad, S,
Savage, J, Moore, R., and Gage, E. (2005), The AMA
Proposal to Mandate Nicotine Reduction in Cigarettes: A Simulation of the
Population Health Impacts, Preventive Medicine, 40(2) 170-180.
9. Ahmad S.
(2005), The Cost-Effectiveness of Raising the Legal Smoking Age in California,
Medical Decision Making, 25(3) 330-340.
8. Ahmad S. (2005), Closing the youth access gap:
The projected health benefits and cost savings of a national policy to raise
the legal smoking age to 21 in the United States, Health Policy, 75 (1): 74-84
7. Ahmad S., (2005), Increasing excise taxes on cigarettes in California: a dynamic simulation of health and economic impacts, Preventive Medicine, 41(1) 276-283.
6. Ahmad S and John Billimek (2005), Estimating the Health Impacts of Tobacco Harm Reduction: A Simulation modeling Approach, Risk Analysis, 25(4), 801-812.
5. Ahmad S. and Simonovic S. P. (2004),
Spatial system dynamics: a new approach for simulation
of water resources systems, ASCE Journal of Computing in Civil Engineering,
18(4) 331-340.
4. Tengs T., Ahmad, S,
Moore, R., and Gage, E. (2004), Federal Policy Mandating Safer Cigarettes: A Simulation
of the Anticipated Population Health Gains or Losses, Journal of Policy
Analysis and Management, 23 (4) 857-872.
3. Ahmad S. and Simonovic S. P.,
(2001) Integration of heuristic knowledge with analytical tools for selection
of flood control measures, Canadian Journal of Civil Engineering, 28(2),
208-221.
2. Ahmad S. and Simonovic S. P.
(2001), A decision support tool for evaluation of
impacts of flood management policies. Hydrological Science and Technology,
(1-4), 11-22.
1.
Ahmad S. and Simonovic S. P. (2000), System dynamics modeling of reservoir
operations for flood management, ASCE Journal of
Computing in Civil Engineering, 14(3), 190-198.
Conference
papers and presentations
1. Joseph M. Vesco, Katie Gilgen, Anne Paine, Marissa
Owens, E. Michael Nussbaum, Gale M. Sinatra, Sajjad
Ahmad, Kent J. Crippen, Sergiu
M. Dascalu, Frederick C Harris, Jr. (2012), Losing
the Lake: Development and Deployment of an Educational Game, Proceedings of
the 2012 Conference on Computers and Their Applications March 12-14, 2012,
Las Vegas, NV.
2.
Carrier, C., Kalra, A. and S. Ahmad,
2012. Long-Range
Streamflow Forecasts using Support Vector Machines in
the Western United States, ASCE Environmental and
Water Resources Congress, Albuquerque, NM.
3. Li, L; Li, X; Kalra, A.,
S. Ahmad, 2012. Relationship between oceanic-atmospheric
oscillations and streamflow of Kaidu
River, Xinjiang, China, ASCE Environmental and Water
Resources Congress, Albuquerque, NM.
4. Kalra, A., and S. Ahmad,
(2011). Improving Streamflow Forecasts Using
Predefined Sea Surface Temperature, American Geophysical Union (AGU),
San Francisco, CA.
5. Kalra, A., S. Ahmad, and A. Nayak, 2011. Long lead-time streamflow
forecasting based on large scale climate signals. A case study for North Platte
River Basin,
ASCE Environmental and Water Resources Congress, Palm
Springs, California.
6. Carrier,
C., Kalra, A.
and S. Ahmad, 2011. Extending
streamflow forecast lead-time using proxy
reconstructions of oceanic-atmospheric oscillations, ASCE Environmental and Water Resources Congress, Palm
Springs, California.
7. Forsee, W.J., and Ahmad, S., 2011. Using HEC-HMS for Stormwater Infrastructure Assessment in Response to Changes in Design Storm Depths Calculated from Climate Projections, ASCE Environmental and Water Resources Congress, Palm Springs, California.
8. William J. Meyer, Sajjad Ahmad, Michael H. Young, David S. Shafer, Julianne J. Miller, and Karletta Chief (2011). Effect of Spatial and Temporal Variability of Antecedent Moisture Content on Model-Generated Runoff from an Arid Watershed, ASCE Environmental and Water Resources Congress, Palm Springs, California.
9.
Eleeja Shrestha, Sajjad Ahmad, Walter Johnson, and Jacimaria.
R. Batista, (2011). The Carbon Footprint of Water Management Policy
Options, Nevada Water Environment Association (NEWA) Annual conference, Las
Vegas, NV.
10.
Kamal Qaiser, Sajjad Ahmad, Walter Johnson and Jacimaria
Batista (2011). Evaluating the Impact of Water Conservation on
Components of the Hydrologic Cycle in an Arid Region, Nevada Water Environment
Association (NEWA) Annual conference, Las Vegas, NV.
11.
Arjun K. Venkatesan, Sajjad Ahmad, Walter Johnson and Jacimaria.
R. Batista (2011). System
Dynamics Model to Forecast Salinity Load to the Colorado River Due to
Urbanization Within The Las Vegas Valley, Nevada Water
Environment Association (NEWA) Annual conference, Las Vegas, NV.
12. Kalra, A., and S. Ahmad,
(2010). Quantification of linkages between large-scale climate patterns and
annual precipitation for the Colorado River Basin, American Geophysical
Union (AGU), San Francisco, CA.
13. Kalra, A., W.P. Miller,
S. Ahmad, and K.W. Lamb, (2010). Forecasting of annual streamflow
using data driven modeling approach, American
Geophysical Union (AGU), San Francisco, California, CA.
14.
Dinesh Prashar and Sajjad Ahmad (2010),
Evaluating Conservation Potential in Agricultural and Municipal Water Use in
South Florida. ASCE World Environmental & Water
Resources Congress, Providence, Rhode Island.
15.
Sumit Puri, Sajjad Ahmad, Haroon Stephen (2010) Estimation of Water Stage over
wetlands of South Florida using TRMM Precipitation Radar observations, ASCE World Environmental & Water Resources Congress,
Providence, Rhode Island.
16.
K. Venkatesan, S.
Ahmad, J. R. Batista, and W. S. Johnson (2010) Salinity Contribution to the
Colorado River Due to Urban Growth of the Las Vegas Valley, ASCE World Environmental & Water Resources Congress,
Providence, Rhode Island.
17.
Michael
Nussbaum, Gale Sinatra, Fred Harris, Sergiu Dascalu, Sajjad Ahmad, Kent Crippen, Marissa Owens (2010), Losing the Lake: Designing
an Educational Computer Game on Water Resources in Southern Nevada, 2010 Annual
Nevada NSF EPSCoR Climate Change Conference, Las Vegas, NV.
18. Kalra; S. Ahmad; H.Stephen, (2009), Evaluating Changes And Estimating Seasonal Precipitation For Colorado River Basins Using Nonparametric Density Estimation. Fall AGU meeting, San Francisco, CA.
19. Sumit Puri, Haroon Stephen, Sajjad Ahmad (2009), Relating Surface Backscatter Response from TRMMPR to SCAN Soil Moisture in Southern United States, Fall AGU meeting, San Francisco, CA.
20. Haroon Stephen, Sajjad Ahmad, and Thomas C. Piechota (2009), Relating Surface Backscatter Response from TRMM Precipitation Radar to Simulated Soil Moisture: Preliminary Results over a Semi-Arid Region, Fall AGU meeting, San Francisco, CA.
21. Haroon Stephen, Sajjad Ahmad, and Thomas C. Piechota (2009), Improved Soil Moisture Estimation from TRMM Precipitation Radar Backscatter Corrected for Azimuth Modulation, Fall AGU meeting, San Francisco, CA.
22. WJ Meyer, S Ahmad, M Young, DS Shafer, JJ Miller, K Chief (2009), A Multi-Platform Approach to Examine Spatial and Temporal Variability of Antecedent Moisture Content on Model-Generated Runoff from a Watershed, AGU fall meeting, San Francisco, CA.
23. Kalra, A., Ahmad, S (2008). Bringing Statistical Learning Machines and Disaggregation Approach Together for Hydrological Predictions, ASCE Environmental and Water Resources Congress, Kansas, 2009.
24. Kalra, A., Ahmad, S (2008) Estimating Inflows to Lake Okeechobee Using Climate Indices: A Machine Learning Approach, AGU San Francisco.
25. Ahmad, S. (2008). Grey Water Use as a Water Management Option in Las
Vegas, Nevada”, Environmental and Water Resources Congress, Honolulu,
Hawaii, May 2008.
26. Ahmad, S. (2008). Evaluating Policies to Reduce Water
Demand: A Simulation Modeling Approach”, Water
Resource Systems Management under Extreme Conditions, Moscow, Russia, June
2008.
27. Walter S. Johnson, Jacimaria R. Batista, and Sajjad Ahmad (2007), Indirect Potable Water Reuse: An Alternative for Water Quality Management in The Las Vegas Valley. WEFTEC.
28.
Ahmad S. (2007), Evaluating Water
Supply and Water Quality Management Options for Las Vegas Valley, Joint
AGU Assembly, May 21-25, Acapulco, Mexico. H33C-03
29. Kalra, A, Ahmad S
(2007), Using oceanic-atmospheric oscillations for long
lead-time streamflow forecasting in the Upper
Colorado River Basin. AGU, San Francisco, CA H11C-0646
30. Melesse, Mcclain, Ahmad, Wang, Nangia and Lim. (2007). Suspended Sediment Load Prediction Using Artificial Neural Networks Approach Joint AGU Assembly, May 21-25, 2007, Acapulco, Mexico. H43A-03
31. Sajjad Ahmad (2006), Planning for Water Resources of South Florida: A system dynamics modeling approach, AGU, San Francisco, CA
32. Sajjad Ahmad, Guillermo Podesta, Fernando Miralles-Wilhelm,
Reinaldo Garcia (2006), An integrated model for sustainable management of water
resources in south Florida. Annual Conference of American Meteorological Society,
Atlanta.
33. Reinaldo Garcia-Martinez, Sajjad Ahmad, Fernando Miralles-Wilhem, (2006), Predicting rainfall in the Lake Okeechobee watershed based on historic rainfall records and climate indicators: an Artificial Neural Network modeling approach, Annual Conference of American Meteorological Society, Atlanta.
34. Ahmad, Sajjad,
Fernando R Miralles-Wilhelm, Guillermo P Podestá Kenny Broad David Letson,
(2005). Evaluating the Impacts of Climate Variability on Agriculture: an
integrated modeling approach, AGU Joint Assembly, New Orleans.
35. Haroon, Stephen, David G. Long and Sajjad
Ahmad (2005). Moisture mapping in the Amazon basin using Near-Nadir and
Far-Range backscatter slopes, AGU Joint Assembly, New Orleans.
36. Tengs T O, and Ahmad S (2004).
Simulating the population health impacts of mandating nicotine reductions in
cigarettes: results from the tobacco policy model. International society for pharmacoeconomics and outcomes research. ISPOR 9th
Annual int. meeting, Arlington, VA
37. Ahmad, S., (2004). Public Health and Economic Impacts
of Raising the Legal Smoking Age in California, ISPOR 7th Annual European
Congress, Hamburg, Germany.
38. Ahmad S and Tengs T., (2004). Clearing the smoke: a computer simulation of the population health impacts of reducing nicotine in cigarettes, 10th annual meeting of the Society for Research on Nicotine and Tobacco, Scottsdale, AZ
39.
Ahmad, S., (2003).
Real time flood forecasting: a case study of the Jhelum River, Pakistan. IUGG
the XXIII General Assembly of the Inter. Union of Geodesy & Geophysics
Sapporo, Japan.
40.
Ahmad, S., (2003).
Revisiting 1992 Floods in Pakistan: operation of Mangla
Reservoir, IUGG, the XXIII General Assembly of the
Inter. Union of Geodesy and Geophysics, Sapporo, Japan.
41. Turbow, D., Dwight, R, Ahmad, S, Norwick, S. (2003). A dynamic simulation model of the
public health and economic aspects of coastal water quality in Huntington
Beach, California. Greening XII Conference. Santa Barbara,
CA.
42. Ahmad S and Tengs T., (2003) Federal Policy Mandating Safer Cigarettes: A Simulation of the Anticipated Population Health Gains or Losses, 25th Annual Meeting of the Society for Medical Decision Making October 18-22, Chicago.
43. Ahmad S and Tengs T., (2003), Validating Computer Simulation Models: Case of the Tobacco Policy Model, 25th Meeting of the Society for Medical Decision Making Oct 18-22, Chicago.
44. Ahmad S and Tengs T., (2003), Reducing Nicotine in Cigarettes: A dynamic simulation of the population health impacts. Chao Family Cancer Center Conf., Oct. 24-26, Palm Springs.
45. Ahmad, S. (2002). Operating water
resources systems under climate change scenarios, American Geophysical Union
(AGU) Fall Meeting, San Francisco,
CA
46. Turbow, D., Norwick,
S. and Ahmad, S (2002). A dynamic
simulation model of beach sand replenishment: a case study of Santa Barbara,
California, Proc. of 20th Inter. Conf. of the System Dynamics Society, edt. Pål Davidsen,
Edoardo Mollona, Vedat Diker, Robin Langer,
Jennifer Rowe, Palermo, Italy, 24 pp.
47.
Ahmad S. and Simonovic S. P. (2001).
Modeling human behavior for evacuation planning: a system dynamics approach in “Bridging the Gap”, Proceedings of the
ASCE world water and environmental resources congress, edt. Don Phelps and Gerald Shelke,
Orlando, FL., May, 10 pp
48.
Ahmad S. and Simonovic
S. P. (2001), Topography and overland flow algorithms: performance comparison
of 1D and 2D hydrodynamic modeling approaches. Proc. of the 15th
Canadian Hydro-technical Conference, edt.
Don Noakes,
Brenda McCabe, Maria Elektorowicz, Ram Balachandar, Victoria, BC.
8 pp.
49.
Ahmad S. and Simonovic S. P. (2001).
Predicting runoff hydrograph using artificial neural networks, in “Bridging the Gap”, Proc. of ASCE world
water and environmental resources congress, edt. Don Phelps and Gerald Shelke,
Orlando, FL., 17 pp.
50. Ahmad
S. and Simonovic S. P. (2001), Modeling dynamic
processes in space and time: a spatial system dynamics approach, in “Bridging the Gap”, Proceedings of the
ASCE world water and environmental resources congress, edt. Don Phelps and Gerald Shelke,
Orlando, FL., 20 pp.
51.
Ahmad, S., and
Simonovic S. P. (2000).
Dynamic modeling of flood management policies, in “sustainability in third
millennium”, Proc. of the 18th Int. Conf. of the System Dynamics Society, edt. Pål Davidsen, David Ford, and Ali Mashayekh
, Bergen, Norway, 18 pp.
52.
Ahmad S. and Simonovic S. P. (2000).
Analysis of economic and social impacts of flood management policies using
system dynamics, in “Atmospheric, Surface and Subsurface Hydrology and
Interactions”, Proc. of the Int. Conf. of the American Institute of Hydrology, research triangle
park, NC, 13 pp.
53.
Ahmad S. and Simonovic S. P. (2000).
Modeling flood emergency management policies: a system dynamics approach. Proc.
of Manitoba Emergency Management Conf., Winnipeg, MB
54. Ahmad S. and Simonovic S. P.
(2000). Behavioral model for evacuation planning
during flood emergencies, Workshop on Extreme Events and the Assessment of
Risk, London, ON.
55. Ahmad, S. (2000). Expert system for
selection of flood control measures, 17th Red River Basin Land and Water Int.
Conf. Our Basin Home: Managing our Society within Nature, Winnipeg, MB
56.
Ahmad,
S. (2000). Modeling reservoir operations for flood management using system
dynamics, 17th Annual Red River Basin Land and Water International
Conference. Winnipeg, MB.
57. Ahmad S. (1999). Decision support
system structure and applications, Workshop on GIS Modeling from Theory to
Applications, Manitoba, Canada.
58.
Ahmad S. and Simonovic S. P. (1999).
Role of a coupled GIS-2-D hydrodynamic model in a decision
support system for flood control, in “Red River Flooding-Decreasing Our Risks”,
Proc. of Canadian Water Resources Association’s Conference, Winnipeg, Canada,
14 pp.
59.
Ahmad, S., and Simonovic S. P. (1999). Comparison of one-dimensional and two-dimensional
hydrodynamic modeling approaches for Red River Basin, Report to the
International Joint Commission-Red River Basin Task Force, Ottawa, Washington, 51 pp.
60. Piracha, A. L., Ginn-Yein, C., and Ahmad, S. (1998). Integrated Use of GIS & Remote Sensing in Hydrological Modeling, in Proc. of GIS Applications to Resource Management and Environmental Planning, Islamabad, Pakistan, 6 pp.
![]()