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Dr Sourav Sahoo

Job Title
Rock Physicist
Site
Southampton

Biography

Senior Scientist in Geophysics and Underwater Acoustics

My research focuses on multi-scale geophysical quantification, from microscale processes to field-scale observations.

My work combines laboratory rock physics, synchrotron imaging, electrical resistivity, borehole logs, seismic data, optical fibre sensing, underwater acoustics and rock physics modelling to quantify sediment and fluid-flow systems. I specialise in multi-frequency P- and S-wave velocity and attenuation measurements across seismic-to-ultrasonic frequencies, and in linking laboratory measurements to field-scale geophysical interpretation.
My research supports applications in gas hydrate and CO₂ quantification, subsea permafrost, offshore carbon storage, sea-ice characterisation, marine geohazards, autonomous seabed monitoring and defence-relevant underwater acoustics.

Research gate profile

Orcid : https://orcid.org/0000-0001-9644-8878

Memberships and networks include: International Permafrost Association Permafrost-Associated Gas Hydrates Action Group; COST Action TrANsMIT on techno-economic analysis of carbon mitigation technologies; COST Action PermaCOST on standardised permafrost monitoring; COST Action OFF-SOURCE on offshore freshened groundwater; and COST Action FuSe on testing fundamental physics with seismology.

PhD Student Supervision: Four PhD researchers, including one full-time University of Southampton PhD student and three one-year visiting PhD students funded by international scholarships.

Policy, international and stakeholder engagement includes:
  • UK Delegate — 33rd Session of the Assembly, Intergovernmental Oceanographic Commission of UNESCO
  • Thailand — Clean energy briefing on CCS, hydrogen storage and gas hydrates.
  • Australia — Sea-ice and underwater acoustics briefing to Defence Science and Technology Group.
  • India — Optical-fibre and machine-learning-based geohazard early-warning proposal.
  • Taiwan — Invited visit to Taiwan Ocean Research Centre on gas hydrate laboratory research.


Committee Memberships

Institutional roles and service include:
  • Member, NOC Staff Focus Group
  • Delivered LEAF assessment for the Rock Physics Laboratory Cluster
  • Working with NOC-I on commercialisation of Rock Physics Laboratory capabilities
  • Coordinator, NOC–University Geology, Geochemistry and Geophysics Seminar Series (G3 Seminars), 2019–2023
  • Organiser, monthly Geophysics Catch-up Meetings for resource and proposal planning
  • Member, NOC Demand Management Panel for NERC Exploring the Frontiers
  • Member, Equality, Diversity and Inclusion working group

Projects

  • PI, Cross-calibration of Optical Fibre and Geophysical Sensors in a Controlled Environment (CROP)
  • PI, Inferring Fluid Permeability Remotely for Geohazard Early Warning and Safe Gas Storage
  • PI, Acoustic Materials Testing for a Industry Project. 
  • Co-I, A Preliminary Assessment of the Critical Mineral Potential of the United Kingdom Continental Shelf and Non-Geological Factors Influencing Resource Development.
  • WP1 Lead, Sea-Ice Thickness and Mechanical Properties from a Broadband Sonar Mounted on a Long-Range AUV
  • WP1 Lead, Phase 2: Sea-Ice Thickness and Mechanical Properties from a Broadband Sonar Mounted on a Long-Range AUV
  • Co-I, Enhancing Hydro-Mechanical Predictions of CO₂-Reactive Storage Reservoirs from Geophysical Monitoring (EHMPRES)
  • Co-I, Bayesian Localisation in the Underwater Environment (BLUE)
  • Contributor, CHIMNEY: Characterisation of Major Overburden Leakage Pathways Above Sub-Seafloor CO₂ Storage Reservoirs in the North Sea
  • Contributor, STEMM-CCS: Strategies for Environmental Monitoring of Marine Carbon Capture and Storage

Roles Provided

Senior Scientist in Geophysics and Underwater Acoustics
Profile photo

Publications

Publication year

2025

Publication type

Article

Publication year

2025

Publication type

Article

Publication year

2024

Publication type

Article

Authors

Khan, Shadman H.; Sahoo, Sourav Kumar ORCID: https://orcid.org/0000-0001-9644-8878; Falcon-Suarez, Ismael Himar ORCID: https://orcid.org/0000-0001-8576-5165; Marin-Moreno, Hector; Sutiyoso, Hanif; Madhusudhan, B. N.; Majumder, C. B.; Arora, Amit; Best, Angus I. ORCID: https://orcid.org/0000-0001-9558-4261. 2024 Investigation of methane gas bubble dynamics and hydrate film growth during hydrate formation using 4-D time-lapse synchrotron X-ray computed tomography. Frontiers in Earth Science, 12. 10.3389/feart.2024.1438185

Publication year

2024

Publication type

Article

Authors

Best, A.I. ORCID: https://orcid.org/0000-0001-9558-4261; Sahoo, S.K. ORCID: https://orcid.org/0000-0001-9644-8878; North, L.J.; Madhusudhan, B.N.; Sutiyoso, H.; Sanford, O.; Clarke, T.. 2024 Laboratory acoustic pulse tube studies for seafloor and sea ice greenhouse gas quantification. [Other] In: International Conference on Underwater Acoustics 2024, Bath, UK., 17-20 June 2024. (Unpublished)

Publication year

2024

Publication type

Conference item

Publication year

2021

Publication type

Article

Authors

Sahoo, Sourav ORCID: https://orcid.org/0000-0001-9644-8878; North, Laurence; Best, Angus ORCID: https://orcid.org/0000-0001-9558-4261. 2021 Laboratory formation of ice samples representative of natural sea-ice with heterogeneities. Southampton, National Oceanography Centre, 22pp. (National Oceanography Centre Research and Consultancy Report, 84)

Publication year

2021

Publication type

Monograph

Authors

Falcon-Suarez, Ismael Himar ORCID: https://orcid.org/0000-0001-8576-5165; Lichtschlag, Anna ORCID: https://orcid.org/0000-0001-8281-2165; Marin-Moreno, Hector ORCID: https://orcid.org/0000-0002-3412-1359; Papageorgiou, Giorgos; Sahoo, Sourav K. ORCID: https://orcid.org/0000-0001-9644-8878; Roche, Ben; Callow, Ben; Gehrmann, Romina A.S.; Chapman, Mark; North, Laurence. 2021 Core-scale geophysical and hydromechanical analysis of seabed sediments affected by CO2 venting. International Journal of Greenhouse Gas Control, 108, 103332. 10.1016/j.ijggc.2021.103332

Publication year

2021

Publication type

Article

Authors

Robinson, Adam H.; Callow, Ben; Böttner, Christoph; Yilo, Naima; Provenzano, Giuseppe; Falcon Suarez, Ismael H. ORCID: https://orcid.org/0000-0001-8576-5165; Marin Moreno, Hector ORCID: https://orcid.org/0000-0002-3412-1359; Lichtschlag, Anna ORCID: https://orcid.org/0000-0001-8281-2165; Bayrakci, Gaye; Gehrmann, Romina; Parkes, Lou; Roche, Ben; Saleem, Umer; Schramm, Bettina; Waage, Malin; Lavayssière, Aude; Li, Jianghui; Jedari-Eyvazi, Farid; Sahoo, Sourav ORCID: https://orcid.org/0000-0001-9644-8878; Deusner, Christian; Kossel, Elke; Minshull, Timothy A.; Berndt, Christian; Bull, Jonathan M.; Dean, Marcella; James, Rachael H.; Chapman, Mark; Best, Angus I. ORCID: https://orcid.org/0000-0001-9558-4261; Bünz, Stefan; Chen, Baixin; Connelly, Douglas P.; Elger, Judith; Haeckel, Matthias; Henstock, Timothy J.; Karstens, Jens; Macdonald, Calum; Matter, Juerg M.; North, Laurence; Reinardy, Benedict. 2021 Multiscale characterisation of chimneys/pipes: fluid escape structures within sedimentary basins. International Journal of Greenhouse Gas Control, 106, 103245. 10.1016/j.ijggc.2020.103245

Publication year

2021

Publication type

Article

Publication year

2019

Publication type

Article

Publication year

2018

Publication type

Article

Publication year

2018

Publication type

Article

Authors

Sahoo, Sourav K. ORCID: https://orcid.org/0000-0001-9644-8878; Marin Moreno, Héctor ORCID: https://orcid.org/0000-0002-3412-1359; North, Laurence J.; Falcon Suarez, Ismael ORCID: https://orcid.org/0000-0001-8576-5165; Madhusudhan, Bangalore N.; Best, Angus I. ORCID: https://orcid.org/0000-0001-9558-4261; Minshull, Tim A.. 2018 Presence and consequences of coexisting methane gas with hydrate under two phase water-hydrate stability conditions. Journal of Geophysical Research: Solid Earth, 123 (5). 3377-3390. 10.1029/2018JB015598

Publication year

2018

Publication type

Article

Authors

Sahoo, Sourav Kumar ORCID: https://orcid.org/0000-0001-9644-8878; Chi, Wu-Cheng; Han, Wei-Chung; Chen, Liwen; Liu, Char-Shine; Wang, Yunshuen. 2018 Estimating the composition of gas hydrate using 3D seismic data from Penghu Canyon, offshore Taiwan. Terrestrial, Atmospheric and Oceanic Sciences, 29 (2). 105-115. 10.3319/TAO.2017.09.11.01

Publication year

2018

Publication type

Article