Publications

Journals (Peer-reviewed):

1. Vaka, D. S., Rao, Y. S., and Bhattacharya, A. (2019). Surface Displacements of the 12 November 2017 Iran–Iraq Earthquake derived using SAR Interferometry. Geocarto International, pp.1-14, 2019. https://doi.org/10.1080/10106049.2019.1618927

2. Devaraj, S., Yarrakula, K., Martha, T.R., Murugesan, G.P., Vaka, D.S., Surampudi, S., Wadhwa, A., Loganathan, P., and Budamala, V. Time series SAR interferometry approach for landslide identification in mountainous areas of Western Ghats, India. Journal of Earth System Science 131, 133 (2022). https://doi.org/10.1007/s12040-022-01876-3 

3. Vaka, D. S., Rao, Y. S., and Bhattacharya, A. Time series analysis of the preseismic and postseismic surface deformation of the 2017 Iran-Iraq earthquake derived from Sentinel-1 InSAR data. Journal of Earth System Science (2023). https://doi.org/10.1007/s12040-023-02085-2

Preprints:

1. Mandal, D., Vaka, D.S., Bhogapurapu, N.R., Vanama, V.S.K., Kumar, V., Rao, Y.S., Bhattacharya, A. Sentinel-1 SLC Preprocessing Workflow for Polarimetric Applications: A Generic Practice for Generating Dual-pol Covariance Matrix Elements in SNAP S-1 Toolbox. Preprints 2019, 2019110393. https://doi.org/10.20944/preprints201911.0393.v1.

Conferences/Presentations:

1. 1. C. Ojha, D. S. Vaka, A. Pepe, Y. S. Rao, "Investigating Land Subsidence Exploring Sentinel-1 Data Using MT-InSAR Technique Over Mumbai City, India" (Accepted), AOGS 2023 (Singapore).

   2. D. S. Vaka, T. Singh, and Y. S. Rao, "InSAR surface deformation, geological structure and fault model of the 2019 Mirpur earthquake" (Accepted), XXI INQUA Congress 2023. 

   3. Rao, Y.S., Vaka, D.S., Ojha, C., "Monitoring Slow Landslide Movement along the Northern Railway Track in Jammu & Kashmir using SAR Interferometry", ISRS-ISG National Symposium, Hyderabad, 2022.

   4. D. S. Vaka, Y. S. Rao, C. Ojha and V. Kumar, " Mapping land subsidence in Mumbai by Sentinel-1 InSAR time-series", FRINGE 2021. View

   5. D. S. Vaka, Y. S. Rao and T. Singh, "Surface Deformation of The 2019 Mirpur Earthquake Estimated from Sentinel-1 Insar Data," 2020 IEEE India Geoscience and Remote Sensing Symposium (InGARSS), 2020, pp. 130-133, doi: 10.1109/InGARSS48198.2020.9358915. (Best Paper Award)

   6. D. S. Vaka, V. Kumar, Y. S. Rao and R. Deo, "Comparison of Various DEMs for Height Accuracy Assessment Over Different Terrains of India," IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium, Yokohama, 2019.

   7. Vaka, D. S., and Rao, Y. S., "Vertical Accuracy Assessment of TanDEM-X Global DEM over various Indian Terrains", URSI Asia Pacific Radio Science Conference, New Delhi, India, 2019. DOI: 10.23919/URSIAP-RASC.2019.8738354

   8. Vaka, D. S., and Rao, Y. S., "Earthquake Displacement Mapping using Interferometric Synthetic Aperture Radar", World Disaster Management Congress, Mumbai, India, 2019, pp. 226. View

   9. Ittycheria, N., Vaka, D. S., and Rao, Y. S.: Time Series Analysis of Surface Deformation of Bengaluru City using Sentinel-1 images, ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., IV-5, 473-477, https://doi.org/10.5194/isprs-annals-IV-5-473-2018, 2018. View

   10. Lal, P., Vaka, D. S., and Rao, Y. S.: Mapping Surface Flow Velocities of Siachen and Gangotri Glaciers using TerraSAR-X and Sentinel-1A Data by Intensity Tracking, ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., IV-5, 325-329, https://doi.org/10.5194/isprs-annals-IV-5-325-2018, 2018. View

   11. Lal, P., Vaka, D. S., Rao, Y. S., Kumar, A. "Glacier Velocity Mapping using Sentinel-2 and Landsat-8 OLI Satellite Imaging System", International Conference on Environmental Challenges and Sustainability 2018, CUJ, Ranchi, India. View

   12. D. S. Vaka and Y. S. Rao, "Deformation of Bhuj Earthquake Area Obtained with Persistent Scatterer Interferometric Analysis of Alos L-Band Sar Data," IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium, Valencia, 2018, pp. 513-516. doi: 10.1109/IGARSS.2018.8519072 View

   13. Y. S. Rao, V. Kumar, D. S. Vaka, R. Deo, "Vertical accuracy assessment of TanDEM-X WorldDEM using DGPS measurements over different terrains of India", CEOS Working Group on Calibration and Validation (WGCV) Workshop 2017, JPL, California, USA. View

   14. Vaka, D. S., S. Sharma, and Rao, Y.S., "Comparison of HH and VV Polarizations for Deformation Estimation using Persistent Scatterer Interferometry.", ACRS 2017 - 38th Asian Conference on Remote Sensing, New Delhi, 2017. View

   15. Kumar, L. R., Vaka, D. S., Rao, Y. S., "Mapping Land Subsidence of Krishna-Godavari Basin using Persistent Scatterer Interferometry (PSI) Technique," ACRS 2017 - 38th Asian Conference on Remote Sensing, New Delhi, 2017. View