Cibin Raj, Ph.D.
- Associate Professor of Agricultural and Biological Engineering
Agricultural Engineering Building, Rm. 247
University Park, PA 16802
- Email craj@psu.edu
- Office 814-865-5616
Areas of Expertise
- Storm water management
- Watershed modeling
- Application of optimization tools in watershed analysis
- Ecohydrological impacts of climate and land use change
Education
- B.S. Agricultural Engineering, Kerala Agricultural University, India, 2006
- M.S. Civil Engineering, Indian Institute of Technology Madras, India, 2008
- Ph.D. Agricultural and Biological Engineering, Purdue University, 2013
Teaching
- BE 307 - Principles of Soil and Water Engineering (3)
- BE 487 - Watershed Modeling for Water Quality Design (3)
- ABE/CE 587 - Computational Ecohydrology (3)
For information about courses please visit the LionPATH Course Catalog.
Publications
Streamflow Prediction with Time-Lag-Informed Random Forest and Its Performance Compared to SWAT in Diverse Catchments
Water (Switzerland), Moges, Desalew Meseret, Virro, Holger, Kmoch, Alexander, Cibin, Raj, Rohith, Rohith A.N., Martínez-Salvador, Alberto, Conesa-García, Carmelo, Uuemaa, Evelyn, 2024
Impacts of future scenarios on the nitrogen loss from agricultural supply chains in the Chesapeake Bay
Environmental Research Letters, Gomez, Michael, Grady, Caitlin, Wainger, Lisa, Cibin, Raj, Abler, David, Bosch, Darrell, Kaye, Jason, 2024
Water quality impacts of recycling nutrients using organic fertilizers in circular agricultural scenarios
Agricultural Systems, Lisenbee, W., Saha, A., Mohammadpour, P., Cibin, R., Kaye, Jason Philip, Grady, Caitlin, Chaubey, I., 2024
Quantifying soil moisture and evapotranspiration heterogeneity within a solar farm: Implications for stormwater management
Journal of Hydrology, Yavari Bajehbaj, Rouhangiz, Cibin, Raj, Duncan, Jonathan, McPhillips, Lauren E., 2024
An extremes-weighted empirical quantile mapping for global climate model data bias correction for improved emphasis on extremes
Theorectical and Applied Climatology, Rohith, A. N., Cibin, Raj, 2024
Understanding future hydrologic challenges: Modelling the impact of climate change on river runoff in central Italy
Environmental Challenges, Tariq, Mohsin, Rohith, A. N., Cibin, R., Aruffo, Eleonora, Abouzied, Gamal Abd El Nasser Allam, Carlo, Piero Di, 2024
Performance evaluation of deep learning based stream nitrate concentration prediction model to fill stream nitrate data gaps at low-frequency nitrate monitoring basins
Journal of Environmental Management, Saha, Gourab, Shen, Chaopeng, Duncan, Jonathan, Cibin, Raj, 2024
Prioritizing conservation practice locations for effective water quality improvement using the Agricultural Conservation Planning Framework (ACPF) and the Soil and Water Assessment Tool (SWAT)
Journal of Environmental Management, Rohith, A. N., Karki, R., Veith, T. L., Preisendanz, H. E., Duncan, J. M., Kleinman, Peter J A, Cibin, R., 2024
Flood teleconnections from levees undermine disaster resilience
npj Natural Hazards, Ansari, A., Mejia, A, Raj, Cibin, 2024
Enhancing the reliability of hydrological simulations through global weather data assimilation in watersheds with limited data
Stochastic Environmental Research and Risk Assessment, Jayaprathiga, Mahalingam, Rohith, A. N., Cibin, Raj, Sudheer, K. P., 2024
The Selection of Global Climate Models for Regional Impact Studies Should Consider Information from Historical Simulations and Future Projections
Earth Systems and Environment, Rohith, A. N., Mejia, Alfonso, Cibin, Raj, 2024
A distributed model parameter optimization toolbox performing multisite calibration in the lump and distributed mode for the SWAT model
Environmental Modelling and Software, Feng, Qingyu, Chen, Liding, Yang, Lei, Yen, Haw, Wang, Ruoyu, Wu, Feng, Feng, Yang, Raj, Cibin, Engel, Bernard A., Omani, Nina, Oikonomou, Panagiotis D., Zia, Asim, 2023
Global Sustainable Water Management: A Systematic Qualitative Review
Water Resources Management, Hasan, Nuru, Pushpalatha, Raji, Manivasagam, V. S., Arlikatti, Sudha, Cibin, Raj, 2023
How does the choice of DEMs affect catchment hydrological modeling?
Science of the Total Environment, Moges, Desalew Meseret, Virro, Holger, Kmoch, Alexander, Cibin, Raj, Rohith, A. N., Martínez-Salvador, Alberto, Conesa-García, Carmelo, Uuemaa, Evelyn, 2023
A deep learning-based novel approach to generate continuous daily stream nitrate concentration for nitrate data-sparse watersheds
Science of the Total Environment, Saha, Gourab Kumer, Rahmani, Farshid, Shen, Chaopeng, Li, Li, Shen, C, Li, Li, Cibin, Raj, 2023
Water quality benefits of weather-based manure application timing and manure placement strategies
Journal of Environmental Management, Saha, Arghajeet, Cibin, Raj, Veith, Tamie, White, Charles, Drohan, Patrick, 2023
USING NONSTATIONARY DEPTH-FREQUENCY CURVES TO CHARACTERIZE LOCAL PRECIPITATION TRENDS
Applied Engineering in Agriculture, Marali, Kalra, Cibin, Raj, 2023
Optimization and reflexivity in interdisciplinary agri-environmental scholarship
Frontiers in Sustainable Food Systems, Chiles, Robert Magneson, Drohan, Patrick, Cibin, Raj, O’Sullivan, Lilian, O'Sullivan, Lilian, Doody, Donnacha, Schulte, Rogier, Grady, Caitlin, Jiang, Fei, Preisendanz, Heather E., Gall, H, Dingkuhn, Elsa Ligaya, Veith, Tamie, Anderson, Aine, 2023
Identifying Sweet Spots for Green Stormwater Infrastructure Implementation: A Case Study in Lancaster, Pennsylvania
Journal of Sustainable Water in the Built Environment, Yavari Bajehbaj, Rouhangiz, Bajehbaj, Rouhangiz, Wu, Hong, Grady, Caitlin, Brent, Daniel, Clark, Shirley Elizabeth, Cibin, Raj, Duncan, Jonathan, Kumar Chaudhary, Anil, McPhillips, Lauren E., 2023
A Framework to Model the Hydrology of Solar Farms Using EPA SWMM
Environmental Modeling and Assessment, Nair, Adira Ajith, Rohith, A. N., Cibin, Raj, McPhillips, Lauren E., 2023
Improving probabilistic monthly water quantity and quality predictions using a simplified residual-based modeling approach
Environmental Modelling and Software, Guo, Tian, Liu, Yaoze, Shao, Gang, Engel, Bernard A., Sharma, Ashish, Marshall, Lucy A., Flanagan, Dennis C., Cibin, Raj, Wallace, Carlington W., Zhao, Kaiguang, Ren, Dongyang, Vera Mercado, Johann, Aboelnour, Mohamed A., 2022
Minimizing environmental impacts of solar farms: a review of current science on landscape hydrology and guidance on stormwater management
Environmental Research: Infrastructure and Sustainability, Yavari, Rouhangiz, Zaliwciw, Demetrius, Cibin Raj, Fnu, McPhillips, Lauren, 2022
Envisioning the manureshed: Toward comprehensive integration of modern crop and animal production
Journal of Environmental Quality, Kleinman, Peter J.A., Spiegal, Sheri A., Silviera, Maria L., Baker, John M., Dell, Curtis J., Bittman, Shabtai, Cibin, Raj, Vadas, Peter A., Buser, Michael D., Tsegaye, Teferi, 2022
Evaluating water quality benefits of manureshed management in the Susquehanna River Basin
Journal of Environmental Quality, Saha, Arghajeet, Saha, Gourab, Cibin, Raj, Drohan, P, Spiegal, Sheri, Kleinman, Peter, White, C, Veith, Tamie, Klienman, Peter, White, Charles, Spiegel, Sheri, Drohan, Patrick, Tsegaye, Teferi, 2022
Reliability of Hydrology and Water Quality Simulations Using Global Scale Datasets
Journal of the American Water Resources Association, Jayaprathiga, Mahalingam, Cibin, Raj, Sudheer, K. P., 2022
Reconceptualizing HRU Threshold Definition in the Soil and Water Assessment Tool
Journal of the American Water Resources Association, Pandara Valappil, Femeena, Femeena, Pandara Valappil, Karki, Ritesh, Cibin, Raj, Sudheer, KP, 2022
Toward a Robust Land Suitability Framework for Manure Management: Modeling Impacts and Evaluating Biophysical Characteristics
Journal of the American Water Resources Association, Saha, Gourab K., Cibin, Raj, Elliott, Herschel Adams, Preisendanz, Heather E., 2022
Evaluating the potential impacts of solar farms on hydrological responses, Nair, Adira Ajith, Rohith, A. N., Raj, Cibin, McPhillips, Lauren E., 2022
The Virginia Stormwater Runoff Calculator - A Geospatial Web Application, Coles, John L., Cibin, Raj, 2022
EVALUATING THE HYDROLOGIC AND WATER QUALITY IMPACTS OF THE REVISED SCS CN METHOD AND ITS IMPLICATIONS ON DECISION-MAKING
Journal of the ASABE, Weikel, Jamie, Karki, Ritesh, Cibin, Raj, 2022
Mitigating lake eutrophication through stakeholder-driven hydrologic modeling of agricultural conservation practices: A case study of Lake Macatawa, Michigan
Journal of Great Lakes Research, Iavorivska, Lidiia, Veith, Tamie L., Cibin, Raj, Preisendanz, Heather, Steinman, Alan D., 2021
Integrating daily CO2 concentrations in SWAT-VSA to examine climate change impacts on hydrology in a karst watershed
Transactions of the ASABE, Gunn, Kpoti M., Buda, Anthony R., Preisendanz, Heather E., Cibin, Raj, Kennedy, Casey D., Veith, Tamie L., 2021
Reallocating crop rotation patterns improves water quality and maintains crop yield
Agricultural Systems, Jiang, Fei, Drohan, Patrick, Cibin, Raj, Preisendanz, H, Gall, H, White, Charles M., Veith, Tamie, 2021
Development of a land suitability framework for sustainable manure utilization
Transactions of the ASABE, Saha, Gourab, Cibin, R., Raj, Cibin, Elliott, Herschel, Preisendanz, H, Gall, H, Preisendanz, Heather, Elliott, H, 2021
ArcGIS-based Toolboxes to Identify Suitable Areas for Sustainable Manure Management, Saha, Gourab, Cibin, Raj, 2020
Expanding the Soil and Water Assessment Tool (SWAT) for modeling the transport of contaminants of emerging concern in agricultural watersheds, Iavorivska, Lidiia, Gall, H, Cibin, Raj, Veith, Tamie, 2020
Manuresheds: Tools to recycle nutrients for the sustainable intensification of agriculture
Agricultural Systems, Spiegal, Sheri, Kleinman, Peter, Endale, Dinku, Bryan, Ray, Goslee, Sarah, Meinen, Robert, Flynn, Colton, Baker, John, Browning, Dawn, McCarty, Greg, Bittman, Shabtai, Carter, Jennifer, Cavigelli, Michel, Duncan, Emily, Gowda, Prasanna, Li, Xia, Ponce-Campos, Uillermo, Cibin, Raj, Silveira, Maria, Smith, Doulas, Arthur, Dan, Yang, Qichun, 2020
Manuresheds: Advancing nutrient recycling in US agriculture
Agricultural Systems, Spiegal, Sheri, Kleinman, Peter, Endale, Dinku M., Bryant, Raymond, Dell, Curtis, Goslee, Sarah, Meinen, Robert, Flynn, K. Colton, Baker, John M., Baker, K., Browning, Dawn M., McCarty, G., Bittman, Shabtai, Carter, Jennifer, Cavigelli, Michel, Duncan, Emily, Gowda, Prasanna, Li, Xia, Ponce-Campos, Guillermo E., Raj, Cibin, Cibin, Raj, Silveira, Maria L., Smith, Douglas, Arthur, Daniel, Yang, Qichun, 2020
Riparian buffer effectiveness as a function of buffer design and input loads
Journal of Environmental Quality, Jiang, Fei, Gall, H, Preisendanz, Heather E., Veith, Tamie, Raj, Cibin, Cibin, Raj, Drohan, Patrick, 2020
Corn stover harvest N and energy budgets in central Iowa
Science of the Total Environment, Malone, R. W., Herbstritt, S., Ma, L., Richard, T. L., Cibin, R., Gassman, P. W., Zhang, H. H., Karlen, D. L., Hatfield, J. L., Obrycki, J. F., Helmers, M. J., Jaynes, D. B., Kaspar, T. C., Parkin, T. B., Fang, Q. X., 2019
Hydrologic responses to projected climate change in ecologically diverse watersheds of the Gulf Coast, United States
International Journal of Climatology, Neupane, Ram P., Ficklin, Darren L., Knouft, Jason H., Ehsani, Nima, Cibin, Raj, 2019
Assessment of riparian buffers' effectiveness in controlling nutrient and sediment loads as a function of buffer design, site characteristics and upland loadings, Jiang, Fei, Gall, Heather, Veith, Tamie, Cibin, Raj, Drohan, Patrick, 2019
Environmental impacts of bioenergy crop production and benefits of multifunctional bioenergy systems, Ale, Srinivasulu, Femeena, Pandara V., Mehan, Sushant, Cibin, Raj, 2019
Precision conservation for biofuel production, Chaubey, Indrajeet, Cibin, Raj, Feng, Qingyu, 2018
The effects of disproportional load contributions on quantifying vegetated filter strip sediment trapping efficiencies
Stochastic Environmental Research and Risk Assessment, Gall, Heather E., Schultz, Daniel, Veith, Tamie L., Goslee, Sarah C., Mejia, Alfonso, Harman, Ciaran J., Raj, Cibin, Patterson, Paul H., 2018
Parameter estimation of SWAT and quantification of consequent confidence bands of model simulations
Environmental Geology and Water Sciences, Krishnan, Nithya, Raj, Cibin, Chaubey, I., Sudheer, K. P., 2018
Perennial biomass production from marginal land in the Upper Mississippi River Basin
Land Degradation and Development, Feng, Qingyu, Chaubey, Indrajeet, Cibin, Raj, Engel, Bernard, Sudheer, K. P., Volenec, Jeffrey, Omani, Nina, 2018
Evaluation of bioenergy crop growth and the impacts of bioenergy crops on streamflow, tile drain flow and nutrient losses in an extensively tile-drained watershed using SWAT
Science of the Total Environment, Guo, Tian, Cibin, Raj, Chaubey, Indrajeet, Gitau, Margaret, Arnold, Jeffrey G., Srinivasan, Raghavan, Kiniry, James R., Engel, Bernard A., 2018
An improved representation of vegetative filter strips in swat
Transactions of the ASABE, Cibin, R., Chaubey, I., Helmers, M., Sudheer, K. P., White, M. J., Arnold, J. G., 2018
Spatial optimization of cropping pattern for sustainable food and biofuel production with minimal downstream pollution
Journal of Environmental Management, Femeena, P. V., Pandara Valappil, Femeena, Sudheer, KP, Cibin, R., Chaubey, I, 2018
Improved filter strip representation in SWAT model to simulate energy crop filter strips
Transactions of the ASABE, Cibin, Raj, Chaubey, Indrajeet, Sudheer, K P, White, MJ, Arnold, J G, Helmers, Matthew, 2018
Geospatial landscape analysis for livestock manure management in Western Pennsylvania, Saha, Gourab, Elkin, None, Raj, Cibin, Elliott, Herschel, Shortle, J, Gall, Heather, Abler, D, Shortle, Jim, Alber, David, Abler, D, 2018
Policy Implications from Multi-scale Watershed Models of Biofuel Crop Adoption across the Corn Belt
Journal of the American Water Resources Association, Kling, Catherine L., Chaubey, Indrajeet, Cibin, Raj, Gassman, Philip W., Panagopoulos, Yiannis, 2017
Assessment of Bioenergy Cropping Scenarios for the Boone River Watershed in North Central Iowa, United States
Journal of the American Water Resources Association, Gassman, Philip W., Valcu-Lisman, Adriana M., Kling, Catherine L., Mickelson, Steven K., Panagopoulos, Yiannis, Cibin, Raj, Chaubey, Indrajeet, Wolter, Calvin F., Schilling, Keith E., 2017
Water Quality Assessment of Large-scale Bioenergy Cropping Scenarios for the Upper Mississippi and Ohio-Tennessee River Basins
Journal of the American Water Resources Association, Panagopoulos, Yiannis, Gassman, Philip W., Kling, Catherine L., Cibin, Raj, Chaubey, Indrajeet, 2017
Influence of Bioenergy Crop Production and Climate Change on Ecosystem Services
Journal of the American Water Resources Association, Cibin, Raj, Chaubey, Indrajeet, Muenich, Rebecca L., Cherkauer, Keith A., Gassman, Philip W., Kling, Catherine L., Panagopoulos, Yiannis, 2017
Integrated Economic and Environmental Assessment of Cellulosic Biofuel Production in an Agricultural Watershed
Bioenergy Research, Song, Jingyu, Gramig, Benjamin M., Cibin, Raj, Chaubey, Indrajeet, 2017
Comparative analysis of HRU and grid-based SWAT models
Water (Switzerland), Pignotti, Garett, Rathjens, Hendrik, Cibin, Raj, Chaubey, Indrajeet, Crawford, Melba, 2017
Biophysical and hydrological effects of future climate change including trends in CO2, in the St. Joseph River watershed, Eastern Corn Belt
Agricultural Water Management, Wang, Ruoyu, Bowling, Laura C., Cherkauer, Keith A., Cibin, Raj, Her, Younggu, Chaubey, Indrajeet, 2017
Marginal land suitability for switchgrass, Miscanthus and hybrid poplar in the Upper Mississippi River Basin (UMRB)
Environmental Modelling and Software, Feng, Qingyu, Chaubey, Indrajeet, Engel, Bernard, Cibin, Raj, Sudheer, K. P., Volenec, Jeffrey, 2017
Simulating establishment periods of switchgrass and miscanthus in the soil and water assessment tool (SWAT)
Transactions of the ASABE, Feng, Q., Chaubey, I., Cibin, R., Engel, B., Sudheer, K. P., Volenec, J., 2017
Precision Conservation for Biofuel Production, Chaubey, Indrajeet, Cibin, Raj, Feng, Qingyu, 2016
Watershed-scale impacts of bioenergy crops on hydrology and water quality using improved SWAT model
GCB Bioenergy, Cibin, Raj, Trybula, Elizabeth, Chaubey, Indrajeet, Brouder, Sylvie M., Volenec, Jeffrey J., 2016
Optimal selection and placement of BMPs and LID practices with a rainfall-runoff model
Environmental Modelling and Software, Liu, Yaoze, Cibin, Raj, Bralts, Vincent F., Chaubey, Indrajeet, Bowling, Laura C., Engel, Bernard A., 2016
Linking regional climate simulations and hydrologic models for climate-change impact studies: a data processing framework, Rathjens, Hendrik, Cibin, Raj, Chaubey, I, Srinivasan, R, Arnold, J, 2016
Ecosystem services evaluation of futuristic bioenergy based land use change and their uncertainty from climate change and variability, Cibin, Raj, Muenich, R L, Chaubey, I, Cherkauer, K A, 2016
The future of ecosystem services in the Upper Mississippi River Basin, Muenich, R L, Omani, N, Cibin, Raj, Chaubey, I, Srinivasan, R, 2016
Predictions in ungauged basins: an approach for regionalization of hydrological models considering the probability distribution of model parameters
Stochastic Environmental Research and Risk Assessment, Athira, P., Sudheer, K. P., Cibin, R., Chaubey, I., 2016
Perennial rhizomatous grasses as bioenergy feedstock in SWAT: Parameter development and model improvement
GCB Bioenergy, Trybula, Elizabeth M., Cibin, Raj, Burks, Jennifer L., Chaubey, Indrajeet, Brouder, Sylvie M., Volenec, Jeffrey J., 2015
Hydrologic and water quality impacts and biomass production potential on marginal land
Environmental Modelling and Software, Feng, Qingyu, Chaubey, Indrajeet, Her, Young Gu, Cibin, Raj, Engel, Bernard, Volenec, Jeffrey, Wang, Xiuying, 2015
A computationally efficient approach for watershed scale spatial optimization
Environmental Modelling and Software, Cibin, R., Chaubey, I., 2015
Application of parallel computing methods for improving efficiency of optimization in hydrologic and water quality modeling
Applied Engineering in Agriculture, Her, Younggu, Cibin, Raj, Chaubey, Indrajeet, 2015