Hydrologic Modelling

Analysis of Extreme events (Floods and Droughts)

Impact of climate change on water resources

Application of AI techniques in Water Resources Engineering

Applications of GIS and Remote Sensing in Hydrology

Externally sponsored R & D projects

Consultancy projects

Short Term Courses organized:

Expert lecturers delivered in Conferences/Seminar/workshops

Other Academic and Administrative Services

Examinations in charge of the institute (July 2021 to February 2024)

IRCC (Institute level Research & Consultancy Committee) member from the department (January 2022 to till date)

Convener of the Committee for Revision of Rules and Regulations of UG, PG and PhD (2021)

Warden, Ladies Hostel (July 2017 to July 2018, July 2008 to December 2009)

Class Committee Chairperson for B.Tech S5 and S6 students (Academic year 2023-’24)

Time table in-charge, Department of Civil Engineering (July 2014 to May 2018)

Library Advisory Committee (LAC) member (July 2015 to May 2018)

Member in the Water Resources Management Committee (September 2016 to July 2018)

Faculty Advisor (2007, 2008, 2009, 2013, 2017, 2021 batches)

In-charge of Teaching aids/class rooms, Department of Civil Engineering (July 2015 to July 2018)

In-charge of Seminar library, Department of Civil Engineering (July 2016 to August 2021)

Participation in International/National Seminar and workshops

Participation in International/National Conferences

Journal

1. Ambily, P., Chithra, N. R., & Firoz, M. (2024). A framework for urban pluvial flood resilient spatial planning through blue-green infrastructure. International Journal of Disaster Risk Reduction, 104342.
2. Das K, S., & Chithra, N. R. (2024). Machine learning–based prediction of agricultural drought using global climatic indices for the Palakkad district in India. Theoretical and Applied Climatology, 1-13.
3. MK, Amina, & N. R, Chithra, (2023). Predictive uncertainty assessment in flood forecasting using quantile regression. H2Open Journal, 6(3), 477-492.
4. M.A, Jincy Rose, N.R, Chithra. (2023) Application of Copulas in Hydrometeorological Drought Risk Analysis Under Climate Change Scenarios- a Case Study. Water Resour Manage. 37(14), 5399-5429. https://doi.org/10.1007/s11269-023-03612-y
5. Shaw, B., Chithra N R. (2023) Copula-based multivariate analysis of hydro-meteorological drought. Theoretical and Applied Climatology 153, 475–493. https://doi.org/10.1007/s00704-023-04478-1
6. Kabbilawsh, P., Kumar, D. S., & Chithra, N. R. (2023). Assessment of temporal homogeneity of long-term rainfall time-series datasets by applying classical homogeneity tests. Environment, Development and Sustainability, 1-45.
7. Ansa Thasneem, S., Chithra, N. R., & Thampi, S. G. (2023). Quantification of uncertainties in streamflow extremes in the Chaliyar river basin, India under climate change. Theoretical and Applied Climatology, 1-19.
8. Thasneem, S. A., Thampi, S. G., & Chithra, N. R. (2023). Uncertainties in future monsoon flow predictions in the context of projected climate change: A study of the Chaliyar River Basin. Environmental Research, 222, 115301.
9. Kabbilawsh, P., Kumar, D. S., & Chithra, N. R. (2022). Performance evaluation of univariate time-series techniques for forecasting monthly rainfall data. Journal of Water and Climate Change, 13(12), 4151-4176.
10. Kabbilawsh, P., Kumar, D. S., & Chithra, N. R. (2022). Forecasting long-term monthly precipitation using SARIMA models. Journal of Earth System Science, 131(3), 1-20.
11. Rose, M. A., & Chithra, N. R. (2022). Tree-based ensemble model prediction for hydrological drought in a tropical river basin of India. International Journal of Environmental Science and Technology, 1-18.
12. Shada, B., Chithra, N. R., & Thampi, S. G. (2022). Hourly Flood Forecasting Using Hybrid Wavelet-SVM. Journal of Soft Computing in Civil Engineering, 6(2), 1-20.
13. Jincy Rose, M. A., & Chithra, N. R. (2022). Establishing a statistical relation between meteorological and hydrological drought indices. Water Supply, 22(4), 4262-4277.
14. John, J., Chithra, N. R., & Thampi, S. G. (2021). Assessment and Prediction of Soil Erosion and its Impact on the Storage Capacity of Reservoirs in the Bharathapuzha River Basin, India. Environ Model Assess (2021). https://doi.org/10.1007/s10666-021-09786-2.
15. John, J., Chithra, N. R., & Thampi, S. G. (2021). Assessment of land surface temperature dynamics over the Bharathapuzha River Basin, India. Acta Geophysica, 1-22.
16. Sathya, A., Thampi, S. G., & Chithra, N. R. (2021). Development of a framework for sand auditing of the Chaliyar River basin, Kerala, India using HEC-HMS and HEC-RAS model coupling. International Journal of River Basin Management, 1-14.
17. Thasneem, S. A., Chithra, N. R., & Thampi, S. G. (2021). Assessment of Nonstationarity and Uncertainty in Precipitation Extremes of a River Basin Under Climate Change. Environmental Modeling & Assessment, 1-18.
18. Kabbilawsh, P., Kumar, D. S., & Chithra, N. R. (2020). Trend analysis and SARIMA forecasting of mean maximum and mean minimum monthly temperature for the state of Kerala, India. Acta Geophysica, 68(4), 1161-1174.
19. Jincy Rose, M. A., & Chithra, N. R. (2020). Evaluation of temporal drought variation and projection in a tropical river basin of Kerala. Journal of Water and Climate Change, 11(S1), 115-132.
20. Thasneem, S. A., Chithra, N. R., & Thampi, S. G. (2019). Analysis of extreme precipitation and its variability under climate change in a river basin. Natural Hazards, 98(3), 1169-1190.
21. John, J., Chithra, N. R., & Thampi, S. G. (2019). Prediction of land use/cover change in the Bharathapuzha river basin, India using geospatial techniques. Environmental monitoring and assessment, 191(6), 354.
22. Soman, A., & Chithra, N. R. (2019). Impacts of climate change on irrigated agriculture in the Chaliyar river basin in Kerala, India. International Journal of Big Data Mining for Global Warming, 1(01), 1950001.
23. Alexander, A. A., Thampi, S. G., & NR, Chithra. (2018). Development of hybrid wavelet-ANN model for hourly flood stage forecasting. ISH Journal of Hydraulic Engineering, 24(2), 266-274.
24. Chithra, N. R., Shahul, D., Muralidhar, S., Unnikrishnan, U., & RAJENDRAN, A. (2018). Trend analysis of climatic variables in the Indian subcontinent. MAUSAM, 69(3), 375-386.
25. Chithra, N. R., & Thampi, S. G. (2017). Downscaling future projections of monthly precipitation in a catchment with varying physiography. ISH Journal of Hydraulic Engineering, 23(2), 144-156.
26. Chithra, N. R., Thampi, S. G., Surapaneni, S., Nannapaneni, R., Reddy, A. A. K., & Kumar, J. D. (2015). Prediction of the likely impact of climate change on monthly mean maximum and minimum temperature in the Chaliyar river basin, India, using ANN-based models. Theoretical and applied climatology, 121(3-4), 581-590.
27. Chithra, N. R., & Thampi, S. G. (2015). Detection and attribution of climate change signals in precipitation in The Chaliyar River Basin, Kerala, India. Aquatic Procedia, 4, 755-763.
28. Venkata, R. K., Eldho, T. I., Rao, E. P., & Chithra, N. R. (2008). A distributed kinematic wave–Philip infiltration watershed model using FEM, GIS and remotely sensed data. Water resources management, 22(6), 737-755.

Book Chapter

1. Chithra N. R. Applicability of Soft Computational Models for Integrated Water Resource Management. In Modeling and Simulation of Environmental Systems (pp. 25-38). CRC Press.
2. Ambily, P., Chithra, N.R., Firoz, C.M. (2022). Concepts, Approaches, and Methodologies for Ecological Flood Resilience Assessment: A Review. In: The Palgrave Encyclopedia of Urban and Regional Futures. Palgrave Macmillan, Cham. https://doi.org/10.1007/978-3-030-51812-7_343-1
3. S. R. Saipriya & N. R. Chithra (2022). Development of Hybrid Wavelet Artificial Neural Network Model for Downscaling Precipitation and Temperature. In Innovative Trends in Hydrological and Environmental Systems, Lecture Notes in Civil Engineering 234, Springer Nature Singapore.
4. Rose, M. A., & Chithra, N. R. (2022). Meteorological Drought Assessment in the Bharathapuzha River Basin. In Hydrological Modeling (pp. 43-53). Springer, Cham.
5. Ansa Thasneem S., Thampi S.G., Chithra N.R. (2021) Assessment of Variation of Streamflow Due to Projected Climate Change in a Water Security Context: A Study of the Chaliyar River Basin, India. In: Babel M., Haarstrick A., Ribbe L., Shinde V.R., Dichtl N. (eds) Water Security in Asia. Springer Water. Springer, Cham. https://doi.org/10.1007/978-3-319-54612-4_17
6. Kabbilawsh, P., Sathish Kumar, D., & Chithra, N. R. (2021). Infilling Missing Monthly Maximum and Minimum Temperature Dataset by EM Algorithm Followed by Distribution Based Statistical Assessment Using Eight Absolute Homogeneity Tests. In Climate Change Impacts on Water Resources (pp. 503-518). Springer, Cham.
7. Chithra, N. R., Thampi, S. G., Shahul, D., Muralidhar, S., Unnikrishnan, U., & Akhil Rajendran, K. (2018). Change Point Analysis of Air Temperature in India. In Climate Change Impacts (pp. 147-155). Springer, Singapore.
8. Thampi, S. G., & Chithra, N. R. (2015). Uncertainty Analysis of Statistically and Dynamically Downscaled Precipitation Data: A Study of the Chaliyar River Basin, Kerala, India. In Managing Water Resources under Climate Uncertainty (pp. 127-142). Springer, Cham.

Conference

1. Saranya Das K. and N.R. Chithra. “Drought Propagation from meteorological to agricultural drought.” Hydro 2023 International, 21-23 December 2023.
2. Saranya Viswanath and N.R. Chithra. “Improving Urban Flood Resilience - An innovative approach based on Nature-Based Solutions.” Hydro 2023 International, 21-23 December 2023.
3. Geethika Moorthy, N.R. Chithra and V. Agilan. “Hydrological Modelling of The Chaliyar River Basin Using the VIC Model.” Hydro 2023 International, 21-23 December 2023.
4. M.K. Amina and N.R. Chithra. “Comparison Study of Hybrid Flood Models with Hydraulic Models: A Case Study of Achankovil River Basin.” Hydro 2023 International, 21-23 December 2023.
5. P Ambily, B Sandeep Kumar Reddy, D Chohan Ganesh, T Sai Swaroop, N R Chithra, ‘Low Impact Development- An effective tool towards urban flood resilience’, International Conference on Creative and Innovative Solutions in Civil Engineering (CISCE-2023), MNIT Jaipur, August 11-12, 2023.
6. Saranya Das,  Chithra NR, ‘Identification of relevant variables for agricultural drought prediction’, 14^th Dahlia Greidinger International Symposium 2023, Technion University, Haifa, Israel, 28.02.2023 to 2.03.2023
7. K Saikumar, Chithra N.R, ‘Prediction of land use/land cover change in the Chaliyar river basin, India using geospatial techniques’, International Virtual Conference on Developments and Applications of Geomatics (DEVA-2022), Department of Civil Engineering, National Institute of Technology Warangal, 29.08.2022 to 31.08.2022.
8. Balaram Shaw, Chithra N.R, ‘Development of a combined drought index to monitor drought in the Pennar river basin using Principal Component Analysis’, International Virtual Conference on Developments and Applications of Geomatics (DEVA-2022), Department of Civil Engineering, National Institute of Technology Warangal, 29.08.2022 to 31.08.2022.
9. P. Kabbilawsh, D. Sathish Kumar and N. R. Chithra, ‘Comparison of SARIMA, Exponential smoothing, and TSLM (Time Series Linear Model) for forecasting monthly rainfall data’ International Conference on Water and Environmental Management (WEM-2022), Centre for Water Resources Development and Management, Kozhikode, Kerala, 22.06.2022 to 24.06.2022
10. Jincy Rose M.A, Chithra N.R. ‘Streamflow variability analysis in the Bharathapuzha river basin using the Indicators of Hydrological Alteration’, International Virtual Conference on Innovative Trends in Hydrological and Environmental Systems (ITHES-2021), Water & Environment Division, Department of Civil Engineering, National Institute of Technology Warangal, 28-04-2021 to 30-04-2021.
11. Saipriya S.R, Chithra N.R. ‘Development of hybrid wavelet-artificial neural network model for downscaling precipitation and temperature’, International Virtual Conference on Innovative Trends in Hydrological and Environmental Systems (ITHES-2021), Water & Environment Division, Department of Civil Engineering, National Institute of Technology Warangal, 28-04-2021 to 30-04-2021.
12. Renu.S, Saptarshi Karmakar, Koppolu Saikumar, Krishna Kumar, Chithra N.R. ‘Generation of IDF for Malappuram City, Kerala and analyze the effect of urbanization in peak flow’, International Virtual Conference on Innovative Trends in Hydrological and Environmental Systems (ITHES-2021), Water & Environment Division, Department of Civil Engineering, National Institute of Technology Warangal, 28-04-2021 to 30-04-2021.
13. Kabbilawsh, P., Sathish Kumar, D. and Chithra, N. R.‘Comparative evaluation of stochastic approaches- Thomas Fiering’s and SARIMA method for forecasting of rainfall series’, in International conference on Emerging Trends in Information Technology and Data science, IMS Ghaziabad, 4th July 2020.
14. Kabbilawsh, P., Sathish Kumar, D. and Chithra, N. R.‘Handling multicollinearity in multiple regressive models for infilling missing data in precipitation time-series’, in International conference on Emerging Trends in Information Technology and Data science, IMS Ghaziabad, 4th July 2020.
15. Kabbilawsh, P., Sathish Kumar, D. and Chithra, N. R.‘Trend analysis and SARIMA forecasting of mean Rainfall data’, in International conference on Emerging Trends in Information Technology and Data science, IMS Ghaziabad, 4th July 2020.
16. Abhijith Sathya, Santosh G Thampi & Chithra NR. (2019), Modelling sediment transport in the Chaliyar river, Kerala, India. 24^th HYDRO 2019 International Conference, Osmania University, Hyderabad, India, 18-20 December 2019.
17. A. Sathya, S. Thampi & N.R. Chithra. (2019). Modelling soil erosion in the Chaliyar river basin, Kerala, 6^th India Water Week (IWW 2019), Vigyan Bhavan, New Delhi, 24-28 September 2019.
18. Ansa Thasneem S, Chithra N R & Santosh G Thampi. (2019) Impact of climate change on probable maximum precipitation in a river basin. International dam safety conference 2019, Bhubaneswar, India, 13-14 February 2019.
19. John, Jisha, N. R. Chithra, and Santosh G. Thampi. (2018). Assessment and application of the morphometric attributes of the Bharathapuzha River basin, India using Geographical Information System, HYDRO-2018 International conference, NIT Patna, 19-21 December 2018.
20. Jincy Rose M.A and Chithra N R (2018) Meteorological drought assessment in the Bharathapuzha river basin, HYDRO-2018 International conference, NIT Patna, 19-21 December 2018.
21. Kabbilawsh, P., Sathish Kumar, D. and Chithra, N. R. ‘Infilling missing monthly maximum and minimum temperature dataset by EM Algorithm followed by distribution based statistical assessment using eight absolute homogeneity tests.’, in HYDRO-2018 International, NIT Patna, 19-21 December, 2018.
22. Dila John and Chithra NR (2018) Modeling of Bharathapuzha river basin using SWAT Model and SUFI-2, International Conference on Infrastructure Development Issue, Innovation and
    the way forward (ICID-2018), MBCET, Trivandrum.
23. Athira K , Chithra N R  , and Sathish Kumar D (2018) Assessment of meteorological drought in Anantapur district using standardized precipitation – evapotranspiration index(SPEI),
    International Conference on Infrastructure Development Issue, Innovation and the way forward (ICID-2018), MBCET, Trivandrum.
24. Athira K , Chithra N R  , and Sathish Kumar D (2018) Assessment of meteorological drought in Anantapur district (Andhra Pradesh), International conference on emerging vistas in civil
    engineering, Viswajyothi college of engineering & technology, Vazhakulam, October 2018.
25. Ansa Thasneem S, Chithra N R & Santosh G Thampi (2018). Design Storm Estimation for Small Dams under Climate Change, International Dam safety Conference, Thiruvananthapuram, Kerala, India, Jan 23-24, 2018.
26. Ansa Thasneem S, Santosh G Thampi, & Chithra N R (2018). Impact of projected climate change on sediment yield in the Chaliyar River Basin, India, International Soil and Water Assessment Tool Conference, SWAT, IIT Madras, India, Jan 10-12, 2018.
27. Kabbilawsh P, Sathish Kumar D, Chithra N R (2017). Comparative performance assessment of Eight uni-variate data filling techniques in missing precipitation records, 38th  Asian conference on Remote sensing, New Delhi, October 2017.
28. Arya Soman, Chithra NR (2017). Impact of climate change on streamflow in the Chaliyar river basin in India using HEC-HMS model, Asia Oceania Geosciences Society 14th Annual Meet, SUNTEC Singapore, 6-11 August 2017.
29. Alexander Ashlin, Santosh G. Thampi, Chithra NR (2017). Development of hybrid wavelet-ANN model for hourly flood forecasting, 3rd International Conference on the Status and Future of the World’s Large Rivers, New Delhi, India, 18-21 April 2017.
30. Chithra N. R., Santosh G. Thampi, and Athira S (2017). Dam break analysis of Peringalkuthu dam using HECRAS, Third National Dam safety conference, Roorkee, 16-17 February, 2017.
31. Ansa Thasneem S, Santhosh G Thampi and Chithra N R., (2016). Assessment of variation in streamflow due to projected climate change for watershed management in the chaliyar river, India, Proc. Int. Conf. on Water Security and Climate Change: Challenges and Opertunities in Asia, Asian Institute of Technology, Bangkok, Thailand, 29 November-1 December, 2016.
32. Chithra N R, Santosh G Thampi, Dilber Shahul, Sankar Muralidhar, Upas Unnikrishnan and Akhil Rajendran K., (2016). Change point analysis of air temperature in india, Proc. Int. Conf. on Water Environment, Energy & Society-2016, Organised by Texas A & M University, USA & AISECT University, Bhopal, India, 15-18 March, 2016.
33. Ansa Thasneem S, Santhosh G Thampi and Chithra N R., (2016). Identification of the most sensitive parameters for assessment of the impact of climate change on stream flow in the Chaliyar river basin, Proc. 28th Kerala Science Congress, Calicut University, January 2016
34. Athira S, Chithra NR, and Santosh G Thampi, (2016). Estimation of probable maximum flood at the Peringalkuthu dam using CWC method and Snyder’s method, Proc. Second National Dam safety conference, IISc Bangalore, India, 12-13 January 2016.
35. Ashika S L, Aswathi Sebha John, Aswathi C K, Basima K P, Febin Mohamed, Chithra N.R., (2015). Multi-Variate Data Analyses Used for Statistical Downscaling of Monthly Precipitation on a River Basin Scale, National Conference on Technological Innovations for Sustainable Infrastructure (TISI 2015), NIT Calicut, 13-14 March 2015.
36. Dilber Shahul, Upas Unnikrishnan, Sankar Muralidhar, Akhil Rajendran K, Sharath M R and Chithra N R, (2015). Trend analysis of Climatic Varialbles in India, National Conference onTechnological Innovations for Sustainable Infrastructure (TISI 2015), NIT Calicut, 13-14 March 2015.
37. Chithra N. R. and Santosh G. Thampi, (2014). Assessment of the impact of climate change on streamflow of the Chaliyar river basin, India, Proc. of the 19th IAHR-APD Congress, 2014, Hanoi, Vietnam, 21-24 September, 2014.
38. Chithra N. R. and Santosh G. Thampi, (2014). Selection of predictors for downscaling meteorological data in the Chaliyar river basin, International Symposium on Integrated Water Resources Management (IWRM-2014), CWRDM, Kozhikkode, Kerala, 19-21 February 2014.
39. Chithra N. R. and Santosh G. Thampi, (2014). Bias correction of ANN based statistically downscaled monthly mean maximum and minimum temperature data for the Chaliyar river basin, National Conference on Changing Climate Scenario and sustainable Resource Management (CSSR-14), NSS College of Engineering, Palakkad, Kerala, 17-19 January 2014.
40. Chithra N. R. and Santosh G. Thampi , (2013). Bias correction of ANN based statistically downscaled precipitation data for the Chaliyar river basin, International Conference on Energy and Environment (ICEE-2013), RIT Kottayam, Kerala, India, 12-14 December 2013.
41. Senthilkumar. R., Chithra. N.R., (2010). Estimation of Ocean Wave Parameters Using Artificial Neural Networks, Proc. of the Fourth CUSAT National Conference on Recent Advances in Civil Engineering, Sept. 16-18, 2010.
42.  Reddy, K.V.,  Eldho, T. I., Rao, E. P., and Chithra, N. R., (2007). Watershed characterization and runoff estimation using an integrated FEM, GIS, and remote sensing approach, Proc. of the Conf. on Advances in Space Science and Technology (CASST 2007), ISRO-IISC Conf., Jan. 29-31, 2007.
43. Venkata Reddy, K., Eldho, T. I., Rao, E. P., and Chithra, N. R., (2006). Finite Element and GIS based rainfall – runoff modeling of watershed, Proc. of the 15th Congress of Asia and Pacific Division of IAHR, and the International Symposium of Maritime Hydraulics, IIT Madras, Chennai, India, August 7-10, 2006; Vol. I, pp. 665-670.

Ph.D students

MTech. Projects

BTech. Projects