Prem Parajuli

Environmental Engineering, Watershed Modeling
Agricultural and Biological Engineering

Office: 251 Agricultural and Biological Engineering
pparajuli@abe.msstate.edu
P 662.325.3282

Prem Parajuli's Personal Webpage

• Ph.D., Biological and Agricultural Engineering, Kansas State University.

• 2021 - Present, Professor in Environmental Engineering and Watershed Modeling, Agricultural and Biological Engineering Department, Mississippi State University, MS
• 2015 - 2021, Associate Professor in Environmental Engineering and Watershed Modeling, Agricultural and Biological Engineering Department, Mississippi State University, MS
• 2009 – 2015, Assistant Professor in Environmental Engineering and Watershed Modeling, Agricultural and Biological Engineering Department, Mississippi State University, MS
• 2007 – 2009, Post Doctoral Research Associate in Environmental Engineering and Watershed Modeling, Kansas State University, KS

Dr. Parajuli’s research covers quite broad areas in the environmental and biological engineering. Potential specialty areas are listed below. Within each area, potential in-depth research is investigated to better understand the cross cutting issues and bring appropriate solutions to engineering problems.

• Potential specialty areas include: surface and ground water quantity and quality modeling (sediment, nutrient, pesticide, bacteria); conservation practices, crop systems and management modeling; bio-energy crops and economic modeling of bio-gasification system; landuse and climate change impact on water resources; forest management impact; and pathogen transport process.
• Teaching courses: ABE 4803/6803 Biosystems Simulation-Environmental; ABE 3513 GPS/GIS in Agriculture and Engineering; ABE 1863 Engineering Technology in Agriculture; ABE 4990/6990 Watershed Modeling; and ABE 4000/7000 Special Problems in engineering.

• Innovation on water-energy-food-nexus
• Evaluation of downstream and ecosystem water quality and quantity through targeting conservation practices in Mississippi.
• Evaluation of water quality pollutants loadings due to agricultural activities at field, watershed and regional scale using field investigations and modeling approaches.
• Assessment of crop rotation and tillage management impact including irrigation managements on crop yields, water quality, and economic benefits.
• Development of economic modeling of bio-gasification systems and feed stock engineering for bio-energy and environment.
• Analysis of hydrologic responses of long-term climate change on water resources and water quality at watershed and regional scales.
• Identification, analysis and reduction of non-point source pollutions at various scales.
• Develop model calibration and validation guidelines and strategies to apply various models developed for the evaluation of flow, water quality and pollutant transport processes.

Book Chapters

• Parajuli, P. B. and Ouyang Y. 2013. Chapter 3: Watershed-Scale Water Quality Modeling Methods and Applications. In "Current Perspectives in Contaminant Hydrology and Water Resources Sustainability", book edited by Paul M. Bradley, Hydrology, ISBN 980-953-307-926-9. Page 57-80.

Referred Journals

2023

• Dipesh Nepal*, Prem B. Parajuli, Ying Ouyang, Filip To, and Nuwan Wijewardane. 2023. Assessing hydrological and water quality responses to dynamic landuse change at watershed scale in Mississippi. Journal of Hydrology, 625(A): October 2023, 129983.
• Vivek Venishetty*, Prem B. Parajuli, and Dipesh Nepal. 2023. Spatial Variability of Best Management Practices Effectiveness within the Yazoo River Watershed. Hydrology 2023, 10 (4): 92.
• Vivek Venishetty*, Prem B. Parajuli, and S. D. Filip To. 2023. Assessing the Effect of Spatial Variation in Soils on Sediment loads in Yazoo River Watershed. Hydrology 2023, 10(3): 62.
• Shreeya Bhattarai*, and Prem B. Parajuli. 2023. Best Management Practices Affect Water Quality in Coastal Watersheds. Sustainability 2023, 15(5), 4045.
• Shreeya Bhattarai*, Prem B. Parajuli, and Filip To. 2023. Comparison of flood frequency at different climatic scenarios in coastal forested watersheds. Climate 2023, 11(2), 41.
• Padmanava Dash, Scott L. Sanders, Prem Parajuli, and Ying Ouyang. 2023. Improving the Accuracy of Land Use and Land Cover Classification of Landsat Data in an Agricultural Watershed. Remote Sensing, 2023, 15(16), 4020.
• Ying Ouyang, Yanbo Huang, Prem B. Parajuli, Yongshan Wan, Johnny M. Grace, Peter V. Caldwell, and Carl Trettin. 2023. Projection of sediment loading from Pearl River basin, Mississippi into Gulf of Mexico under a future climate with afforestation. Climate 2023, 11(5):108.

2022

• Prem B. Parajuli, Avay Risal, Ying Ouyang, and Anita Thompson. 2022. Comparison of SWAT and MODIS Evapotranspiration data for multiple time-scales. Hydrology, 9(6): 103.
• Dipesh Nepal*, and Prem B. Parajuli. 2022. Assessment of best management practices on hydrology and sediment yield at watershed scale using SWAT. Agriculture, 12(4), 518.
• Vivek Venishetty*, and Prem B. Parajuli. 2022. Assessment of BMPs by estimating Hydrologic and Water Quality Outputs using SWAT in Yazoo River Watershed. Agriculture, 12(4), 477.
• Parajuli Prem B. 2022. Climate Change Effects on Watershed Processes and Resilience. Modern Concepts and Developments in Agronomy, 10(3): 1026-1027.
• Avay Risal*, and Prem B. Parajuli. 2022. Evaluation of the impact of Best Management Practices on streamflow, sediment and nutrient yield at field and watershed scales. Water Resources Management, 36: 1093-1105.
• Ying Ouyang, Johnny M. Grace, Prem B. Parajuli, and Peter Caldwell. 2022. Impacts of multiple hurricanes and tropical storms on watershed hydrological processes in Florida panhandle. Climate, 10(3), 42.
• Upadhyay, Pawan; Linhoss Anna; Kelble, Chris; Ashby, Steve; Murphy, Naja; Parajuli, Prem B. 2022. Applications of SWAT model for coastal watersheds: Review and recommendations. Journal of the ASABE, 65(2): 453-469.

2021

• Parajuli Prem B., and Avay Risal. 2021. Evaluation of climate change on streamflow, sediment, and nutrient load at watershed scale. Climate, 9 (11): 1-14.
• Xiaojing Ni*, and Prem B. Parajuli. 2021. Evaluating Hydrological Model Performances on Stream Flow Simulation with Agricultural Management. Journal of Environment and Earth Science, 11(1): 17-23.
• Avay Risal*, Prem B. Parajuli, and Ying Ouyang. 2021. Impact of BMPs on water quality: A case study in Big Sunflower River watershed, Mississippi. International Journal of River Basin Management. Available at: https://doi.org/10.1080/15715124.2020.1870993  
• Xiaojing Ni*, Prem B. Parajuli, Ying Ouyang, Padmanava Dash, and Courtney Siegert. 2021. Assessing land use change impact on stream discharge and stream water quality in an agricultural watershed. Catena, 198 (March 2021), 105055.
• Ying Ouyang, Gary Feng, Heidi Renninger, Theodor D. Leininger, Prem Parajuli, and Johnny M. Grace. 2021. A STELLA-based Model to Simultaneously Predict Hydrological Processes, N uptake and Biomass Production in a Eucalypt Plantation. Forests, 12, 515.

2020

• Avay Risal*, Prem B. Parajuli, Padmanava Dash, Ying Ouyang, and Anna Linhoss. 2020. Sensitivity of hydrology and water quality to variation in Land use and Land cover data. Agricultural Water Management, 241 (1 November, 2020).
• Xiaojing Ni*, Prem B. Parajuli, and Ying Ouyang. 2020. Assessing the impact of conservation practices on ground water using a surface-ground water modeling approach in Mississippi. Water Resources Management, 34: 1553-1566.

• Hakkwan Kim, Prem B. Parajuli, and Kyo Suh. 2020. Impacts of bioenergy crop production and climate change on sediment management strategy at the watershed scale. Desalination and Water Treatment, 200 (2020): 359-368, October.
• Dakhlalla O. Abdullah*, and Prem B. Parajuli. 2020. Sensitivity of Fecal Coliform Bacteria Transport to Climate Change in an Agricultural Watershed. Journal of Water and Climate Change, 11 (4): 1250-1262.

2019

• Avay Risal*, and Prem B. Parajuli. 2019. Quantification and simulation of nutrient sources at watershed scale in Mississippi. Science of the Total Environment, 670 (20 June, 2019): 633-643.
• Abdullah O. Dakhlalla*, and Prem B. Parajuli. 2019. Assessing model parameters sensitivity and uncertainty of streamflow, sediment, and nutrient transport using SWAT. Information Processing in Agriculture, 6 (1): 61-72.

2018

• Ying Ouyang, Gary Feng, Prem Parajuli, Theodor Leininger, Yongshan Wan, and Johnie Jenkins. 2018. Assessment of Surface Water Quality in the Big Sunflower River Watershed of Mississippi Delta Using Nonparametric Analysis. Water, Air, & Soil Pollution, 229: 373.
• Xiaojing Ni*, and Prem B. Parajuli. 2018. Evaluation of the impacts of BMPs and tail water recovery system on surface and groundwater using satellite imagery and SWAT reservoir function. Agricultural Water Management, 210 (30): 78-87.
• Ying Ouyang, Prem B. Parajuli, Gary Feng, Theodor D. Leininger, Yongshan Wan, and Padmanava Dash. 2018. Application of Climate Assessment Tool (CAT) to Estimate Climate Change Impacts on Water Quality for Local Watersheds. Journal of Hydrology, 563 (2018): 363-371.
• Abdullah O. Dakhlalla*, and Prem B. Parajuli. 2018. Assessing model parameters sensitivity and uncertainty of streamflow, sediment, and nutrient transport using SWAT. Information Processing in Agriculture, 6 (1): 61-72.

2017

• Parajuli P. B., Jayakody P., and Ouyang Y. 2017. Evaluation of using Remote Sensing Evapotranspiration data in SWAT. Water Resources Management, 32 (3): 985-996.
• Ying Ouyang, Prem B. Parajuli, Yide Li, Theodor D. Leininger, and Gary Feng. 2017. Identify temporal trend of air temperature and its impact on forest stream flow in Lower Mississippi River Alluvial Valley using wavelet analysis. Journal of Environmental Management, 198 (2): 21-31.

2016

• Parajuli P. B., P. Jayakody, G.F. Sassenrath, Y. Ouyang. 2016. Assessing the impacts of climate change and tillage practices on stream flow, crop and sediment yields from the Mississippi River Basin. Agricultural Water Management, 168 (2016): 112-124.
• Deng, Y* and Parajuli Prem B. 2016. Return of Investment and Profitability Analysis of Bio-Fuels Production Using a Modeling Approach. Information Processing in Agriculture, 3(2): 92-98. Most downloaded top 10 article published in 2016 as reported by the journal editor-in-chief.
• Dakhlalla, Abdullah O.*; Parajuli, Prem B.; Ouyang, Ying; and Schmitz, Darrel W. 2016. Evaluating the impacts of crop rotations on groundwater storage and recharge in an agricultural watershed. Agricultural Water Management, 163: 332-343.

2015

• Dakhlalla, Abdullah O.*; Parajuli, Prem B. 2015. Evaluation of the Best Management Practices at the Watershed Scale to Attenuate Peak Streamflow Under Climate Change Scenarios. Water Resource Management, 1-20.
• Priyantha Jayakody*, Parajuli P. B., and Brooks J. P. 2015. Assessing Climate Variability Impact on Thermotolerant Coliform Bacteria in Surface Water. Human and Ecological Risk Assessment: An International Journal, 21 (3): 691-706.
• Ying Ouyang, Jia-En Zhang, Yide Li, Prem Parajuli, and Gary Feng. 2015. Impacts of rainfall and air temperature variations due to climate change upon hydrological characteristics: A case study. Journal of Water and Climate Change, 6(4): 865-879.
• Yanqiong Ye, Jiaen Zhang, Lili Chen, Ying Ouyang, and Prem Parajuli. 2015. Dynamics of Ecosystem Service Values in Response to Landscape Pattern Changes from 1995 to 2005 in Guanghou Southern China. Applied Ecology and Environmental Research, 13(1): 21-36.
• Yangyang Deng*, Prem B. Parajuli, and Hakkwan Kim. 2015. Cost Analysis Model for Catalytic Conversion of Syngas in to Light Hydrocarbon Gases. Information Processing in Agriculture, 2 (2015):37-50.
• Malone R. W., G. Yagow, C. Baffaut, M. Gitau, Z. Qi, D. Amatya, P. B. Parajuli, J. Bonta, and T. R. Green. 2015. Parameterization Guidelines and Considerations for Hydrologic Models. Transactions of the American Society of Agricultural and Biological Engineers, 58(6): 1681-1703.
• Jorge A. Guzman, Adel Shirmohammadi, Ali Sadeghi, Xiuying Wang, M. L. Chu, Manoj K. Jha, P. B. Parajuli, Daren Harmel, Yogesh Khare, and Jairo Hernandez. 2015. Uncertainty Considerations in Calibration and Validation of Hydrologic and Water Quality Models. Transactions of the American Society of Agricultural and Biological Engineers, 58(6): 1745-1762.
• P. Daggupati, N. Pai, S. Ale, K. R. Douglas-Mankin, R. Zeckoski, J. Jeong, P. B. Parajuli, D. Saraswat, M. A. Youssef. 2015. A recommended calibration and validation strategy for hydrologic and water quality models. Transactions of the American Society of Agricultural and Biological Engineers, 58(6): 1705-1719.
• Y. Yuan, Y. Khare, X. Wang, P. B. Parajuli, I. Kisekka, and S. Finsterle. 2015. Hydrologic and water quality models: sensitivity. Transactions of the American Society of Agricultural and Biological Engineers, 58(6): 1721-1744.

2014

• Priyantha Jayakody*, Parajuli P. B., and Brooks J. P. 2014. Assessing Climate Variability Impact on Thermotolerant Coliform Bacteria in Surface Water. Human and Ecological Risk Assessment: An International Journal, DOI:10.1080/10807039.2014.909188.
• H. Kim*, and P. B. Parajuli. 2014. Impacts of Reservoir Outflow Estimation Methods in SWAT Model Calibration. Transactions of the American Society of Agricultural and Biological Engineers (accepted).
• Sarah E. Duffy*, Prem B. Parajuli. 2014. Simulating Soil Moisture Content Variability and Bio-energy Crop Yields using a Hydrological Model. American Journal of Environmental Engineering, 4 (3): 46-55.
• Sunita Khanal* and Prem B. Parajuli. 2014. Sensitivity Analysis and Evaluation of Forest Biomass Production Potential Using SWAT Model. Journal of Sustainable Bioenergy Systems (JSBS), 4: 136-147.
• Parajuli P. B., Y. Deng, H. Kim, and F. Yu. 2014. Cost Analysis Model for Syngas Production Cost Evaluation using the Graphical User Interface. Energy and Power, 4(2): 35-40.

2013

• Priyantha Jayakody*, Parajuli P. B., and Brooks J. P. 2013. Evaluating Spatial and Temporal Variability of Fecal Coliform Bacteria Loads at the Pelahatchie Watershed in Mississippi. Human and Ecological Risk Assessment: An International Journal, 20 (4): 1023-1041.
• Priyantha Jayakody*, Prem B. Parajuli, and Thomas P. Cathcart. 2013. Impacts of Climate Variability on Water Quality with Best Management Practices in Subtropical Climate of USA. Hydrological Processes, DOI: 10.1002/hyp.10088.
• Parajuli Prem B., and Duffy S. 2013. Evaluation of Soil Organic Carbon and Soil Moisture Content from Agricultural Fields in Mississippi. Open Journal of Soil Science (OJSS), 3(2): 81 - 90.
• Parajuli Prem B., and Duffy S. 2013. Quantifying hydrologic and water quality responses to bio-energy crops in Town Creek watershed in Mississippi. Journal of Sustainable Bioenergy Systems (JSBS), 3: 202 -208.
• Priyantha Jayakody*, Prem B. Parajuli, Gretchen Sassenrath, and Ying Ouyang. 2013. Relationships between Water Table & Model Simulated ET. Ground Water Journal, 52(2): 303-310. DOI: DOI: 10.1111/gwat.12053.
• Parajuli, P. B., Jayakody, P., Sassenrath, G. F., Ouyang, Y., and Pote, J. W. 2013. Assessing the impacts of crop-rotation and tillage on crop yields and sediment yield using a modeling approach. Agricultural Water Management, 119 (2013): 32-42.
• H. Kim*, Parajuli P. B., and S. D. Filip To. 2013. Assessing Impacts of Bioenergy Crops and Climate Change on Hydrometeorology in the Yazoo River Basin, Mississippi. Agricultural and Forest Meteorology, 169: 61-73.
• Ying Ouyang, Prem B. Parajuli, and Daniel A. Marion. 2013. Estimation of surface water quality in a Yazoo River tributary using the duration curve and recurrence interval approach. Water Science and Technology: Water Supply, 13(2): 515-523.
• Ying Ouyang, Jia-En Zhang, and Prem Parajuli. 2013. Characterization of shallow groundwater quality in the Lower St. Johns River Basin: a case study. Environmental Science and Pollution Research, 20(12):8860–8870. DOI 10.1007/s11356-013-1864-x.
• Kaiming.Liang, Jia-En Zhang, Li Fang, Benliang Zhao, Mingzhu Luo, Prem B. Parajuli, and Ying Ouyang. 2013. The biological control of Pomacea canaliculata population by rice-duck mutualism in paddy fields. Biocontrol Science & Technology, 23 (6): 674-690.
• Ouyang, Ying; Leininger, Theodor D.; Hatten, Jeff; Parajuli, Prem B. 2013. A STELLA model to estimate soil CO2 emissions from a short-rotation woody crop. Water, Air, Soil Pollution, 224 (1392): 1-12.
• Sunita Khanal* and Prem B. Parajuli. 2013. Evaluating the Impacts of Forest Clearcutting on Water and Sediment Yields Using SWAT in Mississippi. Journal of Water Resource and Protection, 5(4): 474-483.

2012

• Parajuli, P. B. 2012. Comparison of bio-energy feedstock production and impacts on water quality using a modeling approach. Journal of Water Resource and Protection, 4(9): 763-771.
• H. Kim*, and Parajuli P. B. 2012. Economic Analysis using SWAT-simulated Potential Switchgrass and Miscanthus Yields in the Yazoo River Basin. Transactions of the American Society of Agricultural and Biological Engineers, 55(6): 2123-2134.
• H. Kim*, Parajuli P. B., F. Yu, E. P. Columbus, and W. D. Batchelor. 2012. Economic evaluation of syngas production: Model development and analysis. Transactions of the American Society of Agricultural and Biological Engineers, 55(3): 1033-1045.
• Parajuli, P. B. 2012. Evaluation of spatial variability on hydrology and nutrient source loads at watershed scale using a modeling approach. Hydrology Research, 43 (6): 808-821.

2011

• Parajuli, P. B. 2011. Effects of Spatial Heterogeneity on Hydrologic Responses at Watershed Scale. Journal of Environmental Hydrology, 19 (18): 1-18.

2010

• Parajuli, P. B. 2010. Assessing sensitivity of hydrologic responses to climate change from forested watershed in Mississippi. Hydrological Processes, 24 (26): 3785-3797.

2009

• Parajuli, P. B., Nathan O. Nelson, Lyle D. Frees, and Kyle R. Mankin. 2009. Comparison of AnnAGNPS and SWAT model simulation results in USDA-CEAP agricultural watersheds in south-central Kansas. Hydrological Processes, 23(5): 748-763.
• Parajuli, P. B., Mankin, K. R., and Barnes, P. L. 2009. Source specific fecal bacteria modeling using soil and water assessment tool model. Bioresource Technology, 100 (2): 953-963.
• Parajuli, P. B., Douglas-Mankin, K. R., Barnes, P. L., and Green, C. G. Rossi. 2009. Fecal bacteria source characterization and sensitivity analysis of SWAT 2005. Transactions of the American Society of Agricultural and Biological Engineers, 52(6): 1847-1858.

2008 and Prior

• Parajuli, P. B., Mankin, K. R., and Barnes, P. L. 2008. Applicability of Targeting Vegetative Filter Strips to Abate Fecal Bacteria and Sediment Yield using SWAT. Agricultural Water Management, 95 (10): 1189-1200.
• Parajuli, P. B., K. H. Yoo, D. A. Shannon, and W. J. Jeon. 2007. Application of WEPP and AGNPS to Pasture Management Practices in Alabama. Journal of Environmental Hydrology, 15 (5): 1-12.
• Kang, M. S., P. B. Parajuli, K. H. Yoo, and S. J. Im. 2004. Application and evaluation of the GLEAMS model to a cattle grazing pasture field in north Alabama, USA. Water Engineering Research, 5 (2): 55-68.
• Jeon, W. J., P. B. Parajuli, and K. H. Yoo. 2003. Application of AGNPS water quality computer simulation model to a cattle grazing pasture. Journal of Korean Society of Agricultural Engineering, 45 (7): 83-93.

Peer-reviewed Extension Publications

• Robinson T.* and Parajuli P. B. 2015. Big Black River Watershed Assessment: Preliminary Report. MAFES Research Bulletin, 1217: 1-22.
• Dakhlalla, A.* and Parajuli P. B. 2015. Lower Pearl River Watershed Assessment: Preliminary Report. MAFES Research Bulletin, 1216: 1-22.
• Parajuli P. B. and Priyantha Jayakody. 2012. Big Sunflower River Watershed Assessment: Preliminary Report. MAFES Research Bulletin, 1203:1-16.
• Parajuli P. B. and Hakkwan Kim. 2012. Yazoo River Basin Watershed Assessment: Preliminary Report. MAFES Research Bulletin, 1202:1-16.
• Parajuli, P. B. and Duffy S. 2012. Town Creek Watershed Assessment: Preliminary Report. MAFES Research Bulletin, 1199: 1-15.
• Parajuli P. B., Street A., Kingery W. L., Tagert M. L., Paz J. O., and Oldham J. L. 2011. Upper Pearl River Watershed Assessment: Preliminary Report. MAFES Research Bulletin, 1195: 1-18.
• Parajuli, P. B. 2010. Methods for Modeling Livestock and Human Sources of Nutrients at Watershed Scale. MAFES Research Bulletin, 24(8): 1-8.

* Dr. Parajuli’s graduate student/PostDoc.

• Outstanding Associate Editor – 2021. American Society of Agricultural and Biological Engineers (ASABE).
• Certificate of recognition for “Exemplifying the Best Practices” as an Associate Editor. 2019. American Society of Agricultural and Biological Engineers (ASABE).
• Presidential Citation Award for the “Exemplary Service as Secretary”. 2017. The Institute of Biological Engineering (IBE).
• Presidential Citation Award for the “Exemplary Service as Program Co-chair”. 2016. The Institute of Biological Engineering (IBE).
• Presidential Citation Award for the “Exemplary Service - Program Co-chair”. 2015. The Institute of Biological Engineering (IBE)
• Presidential Citation Award for the “Outstanding Session Chair Organizer”. 2014. The Institute of Biological Engineering (IBE).
• 5 Year’s Service Recognition Award, Mississippi State University, 2014.
• Presidential Citation Award for the “Poster Session Competition Chair”, 2011. The Institute of Biological Engineering (IBE).
• 3rd place in the Graduate Research Forum. Kansas State University, 2007.
• Recipient: Research Travel Grant Award - Graduate Student Council, Kansas State University, 2006/2007.