arkaroy

Mr. Arka Roy

Scientist D, Solid Earth Research Group (SERG)

Email : arka[dot]roy[at]ncess[dot]gov[dot]in

Phone(Off) : 0471-2511624

Fax : 0471-2442280

Journal Articles:

  1. C. P. Dubey and A. Roy, “Joint inversion of gravity and gravity gradient and its application to mineral exploration,” The Journal of Indian Geophysical Union, vol. 27, no. 1, pp. 1–18, 2023.
  2. A. Roy, M. Prasad, P. Rao B, and J. Tomson, “Estimation of moho depth beneath southern Indian shield by inverting gravity anomalies constrained by seismic data,” Journal of Geophysical Research: Solid Earth, e2022JB025651, 2023.
  3. A. Roy and L. Wu, “Generalized Gauss-FFT 3D forward gravity modeling for irregular topographic mass having any 3d variable density contrast,” Computers & Geosciences, vol. 172, p. 105 297, 2023.
  4. R. K. Sharma, S. Kumar, D. Padmalal, and A. Roy, “Streamflow prediction using machine learning models in selected rivers of Southern India,” International Journal of River Basin Management, vol. 21, no. 0, pp. 1–27, 2023.
  5. A. Roy, T. S. Kumar, and R. K. Sharma, “Structure estimation of 2D listric faults using quadratic Bezier curve for depth varying density distributions,” Earth and Space Science, vol. 9, no. 2, e2021EA002061, 2022.
  6. A. Roy, C. P. Dubey, and M. Prasad, “Gravity inversion for heterogeneous sedimentary basin with b-spline polynomial approximation using differential evolution algorithm,” Geophysics, vol. 86, no. 3, F35–F47, 2021.
  7. A. Roy, C. P. Dubey, and M. Prasad, “Gravity inversion of basement relief using particle swarm optimization by automated parameter selection of Fourier coefficients,” Computers & Geosciences, vol. 156, p. 104 875, 2021.
  8. A. Roy and T. S. Kumar, “Gravity inversion of 2D fault having variable density contrast using particle swarm optimization,” Geophysical Prospecting, vol. 69, no. 6, pp. 1358–1374, 2021.
  9. N. P. Chandrasekhar and A. Roy, “Imprints of sunspot cycles on normal and abnormal geomagnetic fields: Case study from equatorial and low-latitude sites of India,” Journal of Geophysical Research: Space Physics, vol. 125, no. 12, e2020JA028464, 2020.

Conference Proceedings:

  1. A. Roy and B. Padma Rao, “Gravity inversion with seismic constraints to map the crustal thickness beneath antarctica,” in National Conference on Polar Sciences (NCPS-2023), Goa, India, 2023.
  2. A. Roy, M. Prasad, B. Padma Rao, and J. K. Tomson, “Seismic constraint gravity inversion in spherical coordinates with application to 3D moho depth mapping beneath southern India,” in XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG), Berlin, Germany, 2023.
  3. A. Roy and J. K. Tomson, “High-resolution 3d moho structure estimation in southern India and surrounding regions: Insights from gravity disturbances and seismic constraints,” in Indian Geophysical Union Annual Convention (IGU-2023), Cochin, India, 2023.
  4. N. P. Chandrasekhar and A. Roy, “Study of geomagnetic data from Ettaiyapuram and Hyderabad magnetic observatories, India over two solar cycles provide insights into atmospheric coupling processes,” in 27th IUGG General Assembly, Montreal, Canada, 2019.
  5. A. Roy, N. P. Chandrasekhar, K. Arora, and N. P. Rao, “Spatial & temporal characteristics of solar quiet & equatorial electrojet along American & south-east Asian sectors,” in 27th IUGG General Assembly, Montreal, Canada, 2019.

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