Siddhant (Sid) Kerhalkar

Siddhant (Sid) Kerhalkar

Postdoc, Department of Oceanography

Talks and Presentations

Invited Talks

  • Modulation of Diurnal SST and Diurnal Warm Layer Variability by Salinity-Driven Stratification in the Bay of Bengal, Air-Sea Flux from Space Webinar Series, OASIS, Online, February 2026. Seminar recording here
  • Physics of Cyclone Wake Recovery: Submesoscale Turbulence Driven by Wind–Front Interactions, Climate, Atmospheric Sciences, and Physical Oceanography Seminar, Scripps Institution of Oceanography, UCSD, San Diego, USA, February 2026.
  • Technical session on 1-D mixed layer models: General Ocean Turbulence Model (GOTM), Small-Scale Air-Sea Interaction course (OCN 665), University of Hawaiʻi at Mānoa, Honolulu, USA, January 2026.
  • Physics of Cyclone Wake Recovery: Submesoscale Turbulence Driven by Wind–Front Interactions, Oceanography Seminar, University of Hawaiʻi at Mānoa, Honolulu, USA, January 2026.
  • Physics of Hurricanes, Guest Lecture, Second Half Lifelong Learning Institute, New Bedford, USA, March 2025.
  • Impacts of Salinity Stratification on SST in the Northern Indian Ocean Warm Pool, DEOS Seminar, SMAST, University of Massachusetts, Dartmouth, New Bedford, USA, February 2025.
  • Lateral Gradients in Salinity Stratification driving differences in Diurnal Warm Layer evolution in the Bay of Bengal, Physical Oceanography Departmental Seminar, Woods Hole Oceanographic Institution, Woods Hole, USA, August 2024.
  • Diurnal Warm Layers and its lateral gradients in the Bay of Bengal, Seminar, School of Earth, Ocean and Climate Sciences , IIT Bhubaneswar, Bhubaneswar, India, July 2024.
  • Air-sea flux parameterization development using EKAMSAT and other field campaign observations., Seminar, EKAMSAT Spring 2024 Seminar Series, Online, April 2024 (co-presented with Dr Hyodae Seo).
  • Physics of Hurricane wake evolution: A case study in the Arabian Sea, Plenary talk at 2024 IMS Symposium, University of Massachusetts, Dartmouth, New Bedford, USA, March 2024.
  • Physics of Diurnal Warm Layers and its lateral gradients in the Bay of Bengal, DEOS Seminar, SMAST, University of Massachusetts, Dartmouth, New Bedford, USA, January 2024.
  • Lateral Gradients in Diurnal Warm Layers in the Bay of Bengal, Seminar, Indian Institute of Tropical Meteorology, Pune, India, July 2023.
  • Diurnal Warm Layers in the Bay of Bengal during Monsoon 2019, Seminar, Monsoon Meeting, Woods Hole Oceanographic Institution, Woods Hole, USA, November 2021.
  • Diurnal Warm Layers in the Bay of Bengal during Monsoon 2019, Seminar, Geophysical Flows Lab, IIT Madras, Chennai, India, October 2021.
  • Monsoons in the Bay of Bengal and Ocean Spring Blooms, Seminar, Mechanical Engineering department, University of Massachusetts, Dartmouth, North Dartmouth, USA, February 2021 (co-presented with Iury Simoes-Sousa).

Conference Talks

  • Seasonal Variability of Wave States and Their Influence on Air-Sea Fluxes in the Northern Indian Ocean, International Indian Ocean Science Conference 2025 (IIOSC-2025), Hyderabad, India, December 2025 (presented by Hyodae Seo on my behalf).
  • Impacts of Salinity Stratification and wave-based formulation on SST within the Indian Ocean mini-warm pool, EKAMSAT Science Meeting, Herndon, USA, September 2025.
  • Impacts of Salinity Stratification on SST in the Northern Indian Ocean Warm Pool, EKAMSAT Science Meeting, Boulder, USA, March 2025.
  • How does the salinity stratification impact SST warming over short/long timescales?, EKAMSAT Science Meeting, Seattle, USA, September 2024.
  • Observations of the cyclone Biparjoy’s cold wake decay, Ocean Sciences Meeting, New Orleans, USA, February 2024.
  • Observations of the cyclone Biparjoy’s cold wake decay, Geophysical Flows: From the Field to the Lab Discussion meeting, IIT Madras, Chennai, India, January 2024.
  • Near-inertial Oscillations in the North Indian Ocean: A case study, Geophysical Flows: From the Field to the Lab Discussion meeting, IIT Madras, Chennai, India, January 2024.
  • Observing and Modeling the variability of DWLs during the summer Monsoon in the Northern Indian Ocean, European Geophysical Union 2023 Meeting, Vienna, Austria (virtual), April 2023.
  • Diurnal Warm Layers in the Bay of Bengal during Monsoon 2019, Ocean Sciences Meeting, February 2022.
  • Using drifter observations to unearth the mysteries of Monsoons in the Bay of Bengal, MTS, IEEE Oceans, Chennai, India, February 2022.
  • Diurnal Warm Layers in the Bay of Bengal during Monsoon 2019, MISO-BoB working group meeting, October 2021.
  • High Resolution observations of the Diurnal Warm Layers in the Bay of Bengal during Monsoon 2019, MISO-BoB working group meeting, December 2020.

Posters

  • Monsoon-Frontal-Wave Interactions Drive Cyclone Biparjoy’s Wake Recovery in the Arabian Sea, AMS 37th Conference on Hurricanes and Tropical Meteorology, San Diego, USA, March 2026.
  • Seasonal Variability of Wave States and Their Influence on Air-Sea Fluxes in the Northern Indian Ocean, 2026 Breakthroughs: Uehiro and Oceanography Yearly Symposium (2026 BUOYS), University of Hawaiʻi at Mānoa, Honolulu, USA, March 2026.
  • Impacts of Salinity Stratification and COARE wave-based formulation on SST and Air-sea fluxes within the Indian Ocean mini-warm pool, AGU Ocean Sciences Meeting 2026, Glasgow, Scotland, February 2026 (abstract accepted but could not travel).
  • Monsoon-Frontal Interactions Drive Cyclone Biparjoy’s Wake Recovery in the Arabian Sea, Intercampus Marine Science symposium, University of Massachusetts, Dartmouth, USA, March 2025.
  • Lateral Gradients in Diurnal Warm Layers in the Bay of Bengal, Geophysical Flows: From the Field to the Lab Discussion meeting, IIT Madras, Chennai, India, January 2024.
  • Observing and Modeling the variability of DWLs during the Summer Monsoon in the Northern Indian Ocean, CLIVAR Mesoscale and Frontal Scale Air-Sea Interaction Workshop,Boulder, USA, March 2023.
  • Diurnal Warm Layers in the Bay of Bengal during Monsoon 2019, FILACHANGE-SWOT Workshop, Brown University, Providence. RI, USA, August 2022.
  • Diurnal Warm Layers in the Bay of Bengal during Monsoon 2019, Gordon Research Conference, South Hadley, MA, USA, June 2022.
  • Diurnal Warm Layers in the Bay of Bengal during Monsoon 2019, Sigma-Xi Research Exhibit, University of Massachusetts, Dartmouth, USA, April 2022.
  • Diurnal Warm Layers in the Bay of Bengal during Monsoon 2019, Intercampus Marine Science symposium, University of Massachusetts, Dartmouth, USA, March 2022.
  • High Resolution observations of the Diurnal Warm Layers in the Bay of Bengal during Monsoon 2019, Intercampus Marine Science symposium, University of Massachusetts, Dartmouth, USA, March 2021.
  • On the Sea Surface Temperature variability and mesoscale dispersion in the Bay of Bengal during 2015 and 2019 monsoon as tracked by drifters,Ocean Sciences Meeting, San Diego, CA, USA, February 2020.
  • Studying the Oceanic Vertical Mixing in Bay of Bengal using the KPP Boundary Layer Scheme, National Oceanography Workshop-2018, Indian National Center of Ocean Information Services (INCOIS), Hyderabad, India, November 2018.

Co-author contributions

  • Wave–Wind Misalignment and Drag Coefficient Rolloff in High-Wind Tropical Cyclones, AMS 37th Conference on Hurricanes and Tropical Meteorology, San Diego, USA, March 2026 (led by Cesar Sauvage).
  • Inaccuracies in reanalysis products: A case study of the Arabian Sea from 2017 to 2018, Geophysical Flows: From the Field to the Lab Discussion meeting, Ocean Sciences Meeting 2024, Sigma-Xi Research exhibit and IMS Symposium, January-April 2024 (led by Debarshi Sarkar).
  • Improving wave-mediated air-sea flux parameterizations in mixed seas: Observational and modeling for improved monsoon predictions, Geophysical Flows: From the Field to the Lab Discussion meeting, IIT Madras, Chennai, India, January 2024 (led by Dr Hyodae Seo).
  • Biases in the Air-Sea Interaction during the Year 2017-18 in the Arabian Sea, MassURC, Sigma-Xi Research exhibit and IMS Symposium, March-April 2023 (led by Nicholas Monroe).
  • Validating Geostrophic Balances in the North Atlantic Ocean, MassURC and Sigma-Xi Research exhibit, April 2023 (led by Viktoriya Balabanova).
  • Studying the Ocean Surface Variables using Satellite imagery and Numerical Modeling, MassURC, Sigma-Xi Research exhibit and IMS Symposium, March-April 2022 (led by Ersen’S Joseph).