Debajyoti Basu Sarkar

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Introduction

dbs_website_2019-514565d6df541d68d8f975e7de68a1.png Primarily, I study the heat loss mechanisms within planetary interiors. My work employs the fundamental principles of fluid dynamics, constrained by the empirical evidences derived from geological field studies, geophysical data, geochemical experiments, as well as remote sensing and in situ observations. The goal here is to identify and understand the basic geophysical processes—and their geological consequences—associated with the efficiency, or rather inefficiency, of buoyancy-driven convection within the solid interior of a planet over geologic time. My research, at present, involves modeling and simulating early thermal history of terrestrial bodies—including Venus, Earth, and Mars. It emphasizes the role of lithospheric stress state and planetary surface temperature to determine the tectonic regime exhibited by these bodies. Surface temperature can act as a simple proxy for planetary climate. Established by the greenhouse effect, it also serves as the primary feedback between the atmosphere and mantle. Meaning, planetary surface temperature can link atmospheric evolution to the dynamics of the deep interior of terrestrial bodies. I also worked on the thermal evolution of Titan's crust to investigate the source of its atmospheric methane.

I am particularly interested in making use of mantle dynamics and high performance computing to address problems in solid Earth geophysics and planetary science. To better constrain my modeling work, geophysical, geochemical, and geomorphological data can provide critical information about the formation and evolution of Earth and other planets. I am pursuing data analysis projects along with participation in missions to acquire these data. Also, I am always looking forward to working on interdisciplinary projects. I am passionate about research efforts that cross traditional disciplinary boundaries—for example, following a systems science approach—to leverage and expand my skill set.

I received my Ph.D. in planetary science in 2021 from the Department of Atmospheric and Planetary Sciences, Hampton University, Hampton, VA, USA. My dissertation research was supported by The Living, Breathing Planet team, as a part of NASA’s Nexus for Exoplanet System Science (NExSS) research coordination network. Also, I was a graduate research assistant at the National Institute of Aerospace. I received my M.S. in planetary science from Hampton University in 2019. I got my first master’s degree in geology from the University of Oklahoma, Norman, OK, USA. I studied geology as an undergraduate student at the University of Dhaka, Dhaka, Bangladesh. My high school years were split between Mymensingh Zilla School, Mymensingh, and Notre Dame College, Dhaka, both in Bangladesh.

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RESEARCH

Planetary Dynamical Modeling and Habitability

Thermal and Tectonic Evolution of Terrestrial Bodies Within Solar System and Beyond

  • Peer-Reviewed Publications: Manuscripts in preparation
  • Thesis: T2
  • Dissertation: D1

Coupled Evolution of Mantle Dynamics and Planetary Climate

  • Abstract: A3

Icy Satellite: Titan

PUBLICATIONS

Peer-Reviewed Publications [View on ADS (Empty Now)]

  • Manuscripts in preparation

Abstracts [View on ADS]

  • (A3) Basu Sarkar, D.; Moore, W. Climatic evolution and habitability of terrestrial planets: perspectives from coupled atmosphere-mantle systems, Abstract P41B-2079 presented at 2016 Fall Meeting, AGU, San Francisco, Calif., 12-16 Dec. [Poster | Read the abstract here]
  • (A2) Basu Sarkar, D.; Elwood Madden, M. Rheology and thermal state of Titan’s crust: potential role of methane clathrate, Abstract P42B-07 presented at 2014 Fall Meeting, AGU, San Francisco, Calif., 15-19 Dec. [Talk | Read the abstract here]
  • (A1) Basu Sarkar, D.; Elwood Madden, M. Clathrate hydrate stability models for Titan: implications for a global subsurface ocean, Abstract P41E-1973 presented at 2013 Fall Meeting, AGU, San Francisco, Calif., 9-13 Dec. [Poster]

Dissertation

  • (D1) Basu Sarkar, D. Tectonic transitions out of heat pipes. Ph.D. Dissertation, Hampton University, 2021
    • Advisor: Dr. William B. Moore

Theses

  • (T2) Basu Sarkar, D. Lithospheric stress regimes on heat-pipe planets. Master’s Thesis, Hampton University, 2019
    • Advisor: Dr. William B. Moore
  • (T1) Basu Sarkar, D. Rheology and thermal state of Titan’s crust: potential role of methane clathrate. Master’s Thesis, The University of Oklahoma, 2014
    • Advisor: Dr. Megan E. Elwood Madden


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