Dubey

Dr. Chandra Prakash Dubey

Scientist D, Solid Earth Research Group (SERG)

Email : cp[dot]dubey[at]ncess[dot]gov[dot]in

Phone(Off) : 0471- 2511635

Fax : 0471-2442280

About:

My research activity is mainly focused on high-resolution joint modeling and inversion of potential field constrained with other data sets at various scales a few kilometers of depth scale to lithospheric mantle scale modeling. I mainly use in-house developed algorithms for inversion producing high-end geologically consistent results, whereas I use commercial Software like Oasis-Montaz, IGMAS+, LitMod2D, and Geomodeller for the geodynamic problems at deeper depths in combinations of seismic, potential field, and EM, integrating seismic, and geology data (for example Koyna Induced Reservoir seismicity and Bay of Bengal). My main focus has been on developing practical algorithms for inverting gravity, magnetic and full gravity gradient tensor data sets to reconstruct the three-dimensional distribution of physical properties using Machine Learning (ML) and Artificial Intelligence (AI). I have been actively working on individual inversion methods as well as joint and cooperative strategies for inverting multiple sets of geophysical and geological data. I have worked extensively on enhanced visualization of three-dimensional arrangements of complex geometries using an interdisciplinary geophysical approach and to understand the mechanism of deeper subsurface structures associated with lithosphere and the cause of mantle deformation using a density model in the region of the Bay of Bengal in order to understand intricate tectonics processes. My recent research output from ML/AI delivers the unique application of SPoDEA (b-Spline Polynomial Approximation using Differential Evolution Algorithm) to model the heterogeneous sedimentary basin and develop the numerical algorithms for a better understanding of full gravity gradient tensor and their characteristics towards complex geometries using optimization techniques of PSO, might be useful for locating the natural resources.

Research Interests:

Crustal deformation measurements and their interpretation and modeling using multiple geophysical parameters: short- and long-term deformation and seismogenesis.

Understanding the mechanism of deeper subsurface structures associated with the lithosphere and the cause of mantle deformation.

Forward and inverse modeling, numerical modeling, and simulation

Landslide hazards investigation and development of early warning system in India

On-going Research Projects:

2021 - 2026 - Deep lithospheric and asthenosphere structures; Insights into Indian Ocean Geoid Low and Origin of shear zones (MoES-Ministry of Earth Science, India).

2021 - 2026 - Internal structure of volcanic eruptive centres by Muon Tomography (MoES-Ministry of Earth Science, India).

Education:

Ph. D. : 2015, Geophysics, CSIR – NGRI, Hyderabad @ Andhra University, Vishakhapatnam, India
Thesis : Joint modeling of gravity & gravity gradients and its application in geological interpretation.
M.Tech. : 2010, Mineral Exploration (Geophysics), University of Hyderabad, Hyderabad, India
Thesis : Application of gravity gradiometry in mineral exploration.
M.Sc. : 2008, Physics, Lucknow University, Lucknow, India

Professional career:

2019 (July) - Present Scientist C, National Centre for Earth Science Studies
2016 (June) - 2019 (June) Scientist B, National Centre for Earth Science Studies
2016 (Jan) - 2016 (May) Project Scientist B, National Centre for Earth Science Studies
2012 - 2015 CSIR – SRF, CSIR – NGRI, Hyderabad
2012 - 2013 Visiting Research Scholar (DAAD Fellow), CAU, Kiel, Germany
2010 - 2012 Project SRF, CSIR – NGRI, Hyderabad

Awards and Accolades:

 

 

  1. 2021 - Chair, SEG-SLS/SEP Travel Grant Review Committee, USA
  2. 2018 - Representation award by China Geological Survey, China for the training on Landslides Mitigation and Prevention Technology, Chengdu, China (14th November – 30th November 2018).
  3. 2017 - Personal biography article in “On the Horizon-Next Generation NSG” by Near-Surface Views, SEG Vol. 24, No. 1
  4. 2017 - National Representative of YES Network, India
  5. 2017 - MoES (Ministry of Earth Science) travel grant for 87th SEG Annual Meeting, Houston, Texas, USA in 2017
  6. 2016 - MoES (Ministry of Earth Science) travel grant for 35th IGC Meeting, Capetown, South Africa in 2016
  7. 2015 - Selected for SEG European Challenge Bowl from India by SEG, USA.
  8. 2015 - SEG travel grant to attend SEG/Exxon Mobil Student Education Program and 2015 6th IGSC Meeting in Prague, Czech Republic
  9. 2014 - SEG Student Chapter Leadership Award by Chevron, USA
  10. 2014 - SEG travel grant to attend SEG/Chevron Student Leadership Symposium and 2014 SEG Annual Meeting in Denver, USA
  11. 2012 - CAU, Kiel, Germany Travel Grant to attend First International GOCE Solid Earth Workshop held at University of Twente, Netherlands
  12. 2012 - CAU, Kiel, Germany Travel Grant to attend GRACE Science Team Meeting held at GFZ, Potsdam, Germany
  13. 2012 - Indian Embassy invitation to attend Young Investigator Meet, Berlin, Germany
  14. 2012 - 2013 - DAAD Fellowship, Germany
  15. 2012 – 2015 - CSIR – Senior Research Fellowship, India
  16. 2010 – 2012 - Project Research Fellowship, CSIR – NGRI, India
  17. 2008 – 2010 - Baldota Fellowship, University of Hyderabad, India

Supervised Ph.Ds:

2019 - 2023 - Mr. M. Prasad, CUSAT, Kochi, India. Thesis Title: Deep lithospheric structure and characteristics of the shear zones, South India and their tectonic implications (Ongoing)

Supervised M.Sc. Dissertation/ Summer Intern:

2022 - Ms. Visakha Srivastava, BHU, Varanasi, UP. Title: Interpretation of isolated magnetic profile for dikes using particle swarm optimization techniques

2022 - Ms. Prity Kumari, BHU, Varanasi, UP. Title: Gravity inversion for isolated source parameters using Bayesian approach

2021 - Ms. Madhushree Mahi ,IIT-ISM, Dhanbad. Title: Basement Relief of Sedimentary Basin Using Gravity Data from Deep Neural Network Approach

2021 - Ms. Sunaina Shinu, Cochin University, Kerala. Title: Source Characterization of Magnetic Data Using Simulated Annealing Approach

2021 - Ms. Parveen M., Cochin University, Kerala. Title: The estimation of depth to the basement under sedimentary basin from gravity data

2019 - Ms. Raihanh K R, Cochin University, Kerala. Title: Significance of regular shaped geometries in gravity exploration.

2019 - Mr. Yash Nath, IIT, Kharagpur. Title: Source characterization of gravity field using neural network.

2019 - Mr. Kaustubh Swain, Bharathidasan University, Tiruchirappalli, TN. Title: Lithosphere flexure due to static load and its application.

2019 - Mr. Ijaj E, IIT, Kharagpur. Title: Gravity inversion for the nonlinear model using the least square method.

Membership of Professional Bodies:

 

  1. Member of American Geophysical Union (AGU) (Since 2015)
  2. Member of the Geophysical Society of Houston (GSH) (Since 2014)
  3. Member of the Association of Exploration Geophysicists (AEG)(Since 2012)
  4. Member of the Indian Geophysical Union (IGU)(Since 2011))
  5. Member of the YES Network(since 2011)
  6. Member of the Society of Exploration Geophysicists (SEG)(since 2010)
  7. Member of the Society of Petroleum Geophysicists (SPG)(Since 2010)

International Workshop and Professional Courses:

  1. Seminar on Geo-hazard monitoring and Prevention technology at Chengdu, China from 14th November 2018 to 30th November 2018.CGS, China.
  2. Multi-disciplinary Subsurface Integration in Exploration and Production from "Plate to Pores...." sponsored by ExxonMobil, SEP Program, 6th IGSC Meeting, Prague, Czech Republic. (10th July - 17th July 2015).
  3. Basic Geophysical Techniques, Department of Science and Technology, Government of India hosted by ISM Dhanbad, India. (18th – 25th January 2015)
  4. SEG Student Leadership Training by Chevron, SEG/SLS Program, 84th SEG Annual Meeting, Denver, USA. (26th Oct - 31st Oct 2014)
  5. SEG-SPG Conventions on fundamental sciences: Learning through the peers, organised by SEG – SPG Student Chapter, CSIR – NGRI, Hyderabad, India (13th June 2015)
  6. First International GOCE Solid Earth Workshop at ITC, the Netherlands (2012)
  7. GRACE Science Team Meeting 2012 at GFZ, Potsdam in 2012
  8. S&T Event “Young Investigators Meet 2012” at Berlin, Germany (2012)
  9. National Workshop on Advances in Exploration Geophysics for Young Researchers, SPG Student Chapter, CSIR – NGRI, Hyderabad, India (2010)
  10. Cyber-infrastructure Workshop at the University Centre for Earth and Space Science, University of Hyderabad, India (2009)
  11. Participated in the “Landforms of India from Topomaps and Imageries” in 2008 & “iGEON 2009” Workshop held at the University of Hyderabad

International Recognition:

Chair, SEG-SLS/SEP Travel Grant Review Committee since 2021-23

SEG-Near Surface Research Grant Review Committee member since 2019

SEG-SLS/SEP Travel Grant Review Committee member since 2017-2021

SEG-Emerging Professionals International Committee (EPIC) member since 2016

Reviewer for International Journals like Computer and Geosciences, Pure and Applied Geophysics, SEG-Interpretation

Field Work Experience:

  1. Ground gravity field measurements along Western Ghats, India for the total duration of 60 days and collected 1200 points.
  2. Participated as a potential field expert in Sagar Kanya Cruise SK-348 during 19th April 2018 to 25th May 2018 for the deployment of 17 passive Ocean Bottom Seismometer in the Indian Ocean Geoid Low region and also did Bathymetry survey using Multi-Beam Echo Sounder along the cruise track line.
  3. Investigation survey for the installation of 6 Broadband Seismometers along the Western Ghats from Trivandrum to Pune during 29/01/2018 to 11/02/2018.
  4. On land gravity, magnetic and DGPS survey for the complex structures associated with Salt Dome, Jarplund, Kiel, Germany. (IFG, CAU, Kiel). (Two weeks in January 2012)

Projects:

  1. Crustal and mantle structures and geodynamic model of Western Ghats (MoES- Ministry of Earth Science, India).
  2. Deep lithospheric structure across shear zones, South India (MoES - Ministry of Earth Science, India).
  3. 3D Structural setting beneath Koyna-Warna Reservoir, India (MoES - Ministry of Earth Science, India).
  4. Detailed3D analysis of Bay of Bengal and its intraplate deformation (CSIR – SRF, India).
  5. Imaging 3D complex geological structures from gravity Gradiometry (CSIR, India & DAAD, Germany).