About PI

Positions

Assistant Professor, IISER Mohali, Punjab, India (2021-present)

InSAR Scientist, Geoscience Australia, Canberra, Australia (2020-2021)

Postdoc Researcher, Arizona State University, Arizona, USA (2016-2020)

Research Fellow, IREA-CNR, Napoli, Italy (2012-2016)

Professional Consultant, Survey Lab, Rome, Italy (2011-2012)

Education

PhD, Civil and Environmental Eng., University of Rome ‘La Sapienza’, Rome, Italy

Thesis: Multi-temporal DInSAR technique for deformation monitoring over buildings and infrastructure in highly urbanized area 

M.Tech, Resource Eng., IIT Bombay, Mumbai, India

Thesis: Persistent scatterer SAR interferometry (PSI) for landslides and land subsidence mapping

M.Sc., Physics, Delhi University, New Delhi, India

Thesis: Optical smart card

Teaching

EES403-Remote Sensing and GIS 

EES642-Principles of Microwave Remote Sensing  

IDC101-Introduction to Computers

Selected Publications

• Ojha C., Shirzaei M., and Werth S., Recovery of aquifer-systems in Southwest US following 2012-2015 drought: evidence from InSAR, GRACE and groundwater level data, Journal of Hydrology, Vol. 587, 2020, DOI: https://doi.org/10.1016/j.jhydrol.2020.124943

• Blackwell E., Shirzaei M., Ojha C., and Werth S., Tracking California’s sinking coast from space: implications for relative sea-level rise SAR interferometry for measuring coastal subsidence, Science Advance, Vol. 6, no. 31, eaba4551, 2020, DOI: https://doi.org/10.1126/sciadv.aba4551

• Ojha C., Werth S., and Shirzaei M., Groundwater loss and aquifer-system compaction in San Joaquin Valley during 2012 - 2015 drought, Journal of Geophysical Research: Solid Earth, Vol. 124, 3, 3127-3143, 2019, DOI: https://doi.org/10.1029/2018JB016083

• Ojha C., Fusco A., and Pinto M., Interferometric SAR Phase Denoising Using Proximity Based K-SVD Technique, Sensors, 19, 2684, 2019,DOI: https://doi.org/10.3390/s19122684

• Ojha C., Shirzaei M., Werth S, Argus D., and Farr T., Sustained groundwater loss in California’s Central Valley exacerbated by intense drought periods, Water Resources Research, Vol. 54, 7, 4449-4460, 2018, DOI: https://doi.org/10.1029/2017WR022250

• Ojha C., Manunta M., Lanari R., and Pepe A., The Constrained-Network Propagation (C-NetP) Technique to Improve SBAS-DInSAR Deformation Time-Series Retrieval, IEEE-JSTARS, Vol. 8, 4910 – 4921, 2015, DOI: https://doi.org/10.1109/JSTARS.2015.2482358