Publications

Dibakar Ghosal

Assistant Professor

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Journal Publications:

2023

16. Singha P., Dewangan P., Ghosal D., Kamesh Raju K.A., Aswini K.K., Yatheesh V., Mukhopadhyay R., Mandal S. (2023). Crustal structure beneath the Alcock Seamount in the Andaman Sea, Tectonophysics, 229979

15. Pant A., Ghosal D., Puryear C., Verma SN., (2023). Algorithms for Time-Frequency Imaging and Analysis: Introduction to Mixed-Model Spectral Decomposition, Acta Geophysica, 1-17

14. Verma SN., Ghosal D., Vats V., Gupta A., (2023). Shallow subsurface imaging across the Himalayan Frontal Thrust (HFT) analysing ambient noise data from a riverine source, Journal of Applied Geophysics, 104943

2022

13. Pant A., Ghosal D., Puryear C., (2022). Imaging of a possible isolated carbonate build‐up (ICB) in Penobscot Bay at anomalous low frequencies, Marine Geophysical Research, 43

12. Tiwari S., Ghosal D., Singh RK., Yelisetti S., (2022). Mapping of hydrocarbon-bearing reservoirs using frequency-dependent amplitude vs. offset (FAVO), Jour. Earth Syst. Sci., 131 (43)

2021

11. Ghosal D., Mukti MM. , Singh SC. , Carton H., Deighton I., (2021). Fore-arc high and basin evolution offshore northern Sumatra using high-resolution marine geophysical datasets, Journal of Asian Earth Sciences, 104814

10. Jacob J., Dyment J., Ghosal D., Dewangan P., (2021). Strike-slip seismicity at the Andaman-Sumatra Subduction Zone: Role of the fracture zones and age of the subducting lithosphere, Tectonophysics, 228862

9. Ghosal D., Singh SC., (2021). A reliable velocity estimation in a complex deep-water environment using downward continued long offset multi-channel seismic (MCS) data, Journal of Earth System Science, 130

2020

8. Jain V., Ghosal D., Verma S., (2020). Enhancement of a thumper source far offset refracted phases using super virtual interferometry (SVI), Journal of Earth System Science,129 (136).

2019

7. Boral S., Sen I S., Ghosal D., Peucker-Ehrenbrinkb B., Hemingway J. D., (2019). Stable water isotope modeling reveals spatio-temporal variability of glacier meltwater contributions to Ganges River headwaters, Journal of Hydrology, 577 (2019) 123983.

2018

6. Hananto N., A Boudarine, H Carton, SC Singh, P Avianto, J Dyment, Y Qin, D Ghosal, R Zuraida, P E Tapponnier, C Deplus, K Sieh, (2018). Evidence of pervasive trans-tensional deformation in the northwestern Wharton Basin in the 2012 earthquakes rupture area, Earth and Planetary Science Letters, 502, 174-186.

5. Ghosal D., Ganguli SS , Singh RN, Sain K, (2018). Simulating the gas hydrate behavior at equilibrium dissociation: A study from Mahanadi basin of eastern offshore, India, Marine and Petroleum Geology, 98, 802-814.

4. Ghosal D., C Juhlin, (2018).Estimation of dispersion attributes at seismic frequency—a case study from the Frigg-Delta reservoir, North sea, Journal of Geophysics and Engineering, 15 (5), 1799.

Before 2018

3. Ghosal D., Singh S.C, Martin J, (2014). Shallow subsurface morphotectonics of the NW Sumatra subduction system using an integrated seismic imaging technique, Geophysical Jour. Int.,198, 1818-1831.

2. Ghosal D., Singh S.C., Chauhan A.P.S, Hananto N.D., (2012). New insights on the offshore extension of the Great Sumatran fault, NW Sumatra, from marine geophysical studies, Geochem. Geophys. Geosys., 13, 11, doi: 10.1029/2012GC004122.

1. Singh. S.C, Chauhan A.P.S, Calvert A. J., Hananto N.D., Ghosal D., Rai A.,Carton H., (2012). Seismic evidence of bending and unbending of subducting oceanic crust and the presence of mantle megathrust, Earth and Planetary science letters, 301, 166-176.

PhD Thesis

Ghosal, D., (2013). Shallow subsurface morphotectonics of the offshore Northern Sumatra Subduction system using high resolution marine Geophysical datasets, PhD Thesis, Institut de Physique du Globe (Paris).

Conference (National/International) Presentations:

2023:

43. Pant A., Ghosal D., Puryear C., Akaba PA., Quansah AD (2023).Wavelet Assisted Constrained Least Squares Spectral Analysis Algorithm for Time-Frequency Analysis: Hybrid/Mixed-Model Wavelet-Fourier basis approach, 84th EAGE Annual Conference & Exhibition, (poster)

2022:

42. Sen A., Ghosal D., Chakraborty P., Singh R., (2022). Estimation of Formation Water Saturation Using Full Waveform Inversion (FWI) in Poroelastic Media, 83rd EAGE Annual Conference & Exhibition, (1), 1-5
41. Verma S., Ghosal D., (2022). Shallow crustal architecture of the foreland Kumaon Himalaya analysing high-resolution seismic data, EGU General Assembly Conference Abstracts, EGU22-9287
40. Vats V., Ghosal D., Kumar S., (2022). Implications of Acoustic Full Waveform Inversion on high-resolution Andaman datasets, EGU22
39. Srivastav HK., Ghosal D., Kumar AS., (2022). Evidence of Fluid at Narcondam offshore using high-resolution reflection seismic data,
OCEANS-Chennai, 1-4

2021:

37. Sen A., Chakraborty P., Ghosal D. (2021). Single parameter Full Waveform Inversion in Poroelastic media using damped inertia coefficient PSO, Near Surface Geoscience & Engineering
36. Kumar P. and Ghosal D. (2021). Comparative study of stochastic Nature Inspired Optimization Algorithms to estimate Shear wave velocity using Ground rolls, EAGE extended abstract
35. Verma S. and Ghosal D. (2021). High-resolution velocity structure across HFT, Kumaon Himalaya using controlled source seismic datasets, SEG extended abstract
34. Kumar P., Anand P., Ghosal D., Singha P., (2021). Crustal architecture of Amsterdam-St. Paul Island from an integrated geophysical approach, EGU21
33. Kumar P ., Ghosal D., Delineation of S-wave velocity profiles across the Himalayan Frontal Thrust (HFT) using metaheuristic approaches, EGU21
32. Verma S., Ghosal D., Vikas, Pandey S., Anand P., Srivastava H., (2021). Crustal structure across Himalayan Frontal Thrust (HFT) using high-resolution seismic datasets, EGU21

2020:

31. Shukla A., Ghosal D., Singh S.K., (2020). Neotectonism and its effect on gas migrating features in offshore KG basin India, EAGE extended abstract, 1449, (oral).
30. Pant A., Ghosal D., Puryar C., (2020). Comparative study of Wavelet-based recent spectral decomposition algorithms for seismic signals, EAGE extended abstract, 1743, (oral).
29. Pandey S., Chakroborty P., Ghosal D., (2020). Seismic wavefield simulation using Finite Element Method in a visco Poroleastic medium, SPG, (accepted).
28. Ghosal D., Singh S, Chauhan A., (2020). Joint inversion of MCS and OBS datasets for superior modelling: a case study from offshore NW Sumatra', SPG, (accepted).
27.Yelisetti S., Ghosal D., Sanchez V., (2020). Seismic structure and gas hydrate study on the southern Cascadia margin using multichannel seismic data, AGU Fall Meeting (poster)
26. Verma S., Ghosal D., (2020). Delineation of the subsurface geomorphology across the Main Frontal Thrust (MFT), near Pawalgarh, using controlled source seismic survey, Indian Geological Congress, (accepted for E. Poster).
25. Vats V., Ghosal D., Roy S., (2020). 2D/3D acoustic modelling of a gas hydrate reservoir using graphics processing unit (GPU), Indian Geological Congress, (accepted for oral).
24. Ghosal D., Trivedi A,. (2020). Discovery of a trace of BSR, offshore N-W Sumatra, using high resolution marine seismic datasets, Indian Geological Congress, (accepted for oral).

2019:

23. Vikas and Ghosal D., (2019). Generation of synthetic seismogram using 2D acoustic modelling, Indian Geophy. Union, (poster).
22. Verma S.N. and Ghosal D., (2019). Velocity-depth modelling across Himalayan frontal thrust near Pawalgarh using high frequency ambient noise tomography, Indian Geophy. Union, (poster).
21. Ghosal D., Jain V., (2019). Improvement of the wide angle refracted phases using super virtual interferometry (SVI), Indian Geophy. Union, (oral).
20. Pant A., Ghosal D., Puryar C., (2019). Highlighting Reservoirs Through RGB Blended Frequency Imaging using Constrained Least Squares Spectral Analysis (CLSSA)-A Case Study from Penobscot Bay, Offshore Nova Scotia, American Association of Petroleum Geologists (AAPG), (poster).
19. Verma S N., Gupta A., Ghosal D., (2019). Velocity-depth modeling across the main frontal thrust (MFT), in the central seismic gap Himalaya, using ambient noise tomography, SEG extended abstract, (poster).
18. Pant A., Ghosal D., Puryar C., (2019). Improved reservoir delineation in complex geological settings using CLSSA: a case study from offshore Nova Scotia, EAGE extended abstract, 1778, (poster).
17. Verma S. N., Gupta A., Ghosal D., (2019). Subsurface imaging of a segment of the Main Frontal Thrust - Himalayas, using Ambient Noise Tomography (ANT) to overcome the challenges in conventional active seismic surveys, Joint workshop in Challenges in imaging, ONGC Dehradun, (poster).
16. Dhingra D., Patidar S., Ghosal D., (2019). Near surface expression of linear gravity anomalies (LGAs): Potential Clues and implications for emplacement, 50th Lunar and Planetary Science Conference, (LPI Contrib. No. 2132), (poster).

2018:

15. Nayak A., Ghosal D., (2018). Tectonics and hazards assessment in the Andaman region of North-Eastern Indian Ocean, SCOR-InterRidge Workshop, NIO, Goa (poster).
14. Lenora Diane Perkins, Yelisetti S., Ghosal D., (2018). Fluid Flow and BSR Distribution off Oregon, AGU fall meeting,OS51F-1370, (poster).
13. Trivedi A., Ghosal D., (2018). Identification of Bottom Simulating Reflector at offshore NW Sumatra, extended abstract at ISM Dhanbad, (oral).

Before 2018:

12. Yelisetti S., Ghosal D., (2017). Shallow subsurface imaging of northern Cascadia margin using downward continued short streamer data, AGU fall meeting (poster).
11. Ghosal D., Singh S. C., (2017). Accurate velocity-depth estimation in a complex deep-water setting using refracted arrivals from wide-angle seismic datasets, SPG extended abstract (poster).
10. Tripathi A., Ghosal D., (2017). Characterization and identification of fluid migration across the N-W offshore Sumatra, SPG extended abstract (poster).
9. Gislason G., Ghosal D., Juhlin C., (2017). Effect of petrophysical parameters on dispersion from Frigg-Delta reservoir, North Sea, SEG extended abstract (poster).
8. Ghosal D., Juhlin C., (2017). Eavluation of poroelastic properties at seismic frequency range from Frigg-Delta reservoir, North sea, SEG extended abstract (Oral).
7. Boral S, Sen I, Sinha R, Peucker-Ehrenbrink B and Ghosal D., (2016). Hydrological Dependence of Ganges River on Himalayan Cryosphere, Goldschmidt at Yokohoma, 332,15e (poster).
6. Wang, H., Singh S.C., Ghosal D., (2012). A combined full wave equation tomography-full waveform inversion and its application to 12 km long streamer data from offshore western Sumatra, AGU Fall meeting, 1, 08 (poster)
5. Ghosal D., Singh S.C., Chauhan A.P.S, Carton H, Hananto N.D., (2012). State of the art seismic processing and structure of the Sumatra margin, Penrose conference, Il ciacco, Italy (poster).
4. Ghosal D., Singh S.C., Chauhan A.P.S, Hananto N.D., (2011). Shallow subsurface morphotectonics at the Northern offshore Sumatra subduction system using high resolution reflection and refraction seismic, Amer. Geophy. Union, San Francisco, USA (oral).
3. Ghosal D., Singh S.C., Chauhan A.P.S, Hananto N.D., (2011). High resolution tomography and seismic image of the Northern Sumatra subduction system, British Geophy. Assoc. London, UK (poster).
2. Mukti M.M., Singh S.C. , Hananto N. , Ghosal D., Deighton I., (2011), Structural style and evolution of the Sumatran forearc basins, Indonesian Petroleum Association (poster).
1. Ghosal D., Singh S.C., Chauhan A.P.S, Hananto N.D (2009)., New insights on the Great Sumatra fault, NW offshore Sumatra, from marine data, Amer. Geophy. Union, San Francisco (poster- T33B-1917).