Dr. Kunvar YadaV

research area

My research work deals with the study of GPS based Total Electron content (TEC) of Ionosphere and Multisensor parameter related to earthquakes. TEC data can be obtained from dual frequency GPS receiver, which can help to provide a better understanding of the upper atmosphere environment. GPS TEC data have been taken from International GNSS service (IGS) in the RINEX format. Additionally, the analysis of multi-sensor parameters such as SST and SLHF is done using freely available online data. Variation in SLHF, SST and TEC before and after the many earthquakes has been studied in order to find the possible link between land, ocean and ionosphere prior to earthquakes.

Education

2010 - 2017: Doctor of Philosophy in physics, 2017, Department of applied Physics, S. V. National Institute of Technology, Surat (India).

Area of specialization: Atmospheric Science, Space Physics, Seismology, Geophysics.

Title of Thesis: A study on Possible Precursory Signatures of Earthquake in land, ocean and Ionosphere.

2007 – 2009: Master of Science in Applied Physics, 2009, M. S. University of Baroda, Vadodara,

Gujarat (India).

2003 - 2007: Bachelor of Science-Physics, 2007, V. N. South Gujarat University, Seurat (India).

2019-2021: Bachelor of education (B.Ed) 2021, Gujarart Univdersity, Gujarat ( India).

Experience

2015 July- May 2019: Assistant professor in the subject of Physics at Indian Institute of Teacher Education, Gandhinagar.

2019 June - May 2020: Assistant professor in the subject of Physics at Indian Institute of Teacher Education, Gandhinagar.

2010 (July-December): Visiting Faculty Gandhi college, Surat, Gujarat (India).

Research article Publication

K.S.Yadav, Priynaka Patel, Keyur Goswami, Rakesh Vadnathani, 2022 Anomalous Variation in TEC before 15 Earthquakes in 2020, MAUSAM, ISSN: 252 9416. Communicated (2022).
K.S.Yadav, Priynaka Patel, Keyur Goswami, Rakesh Vadnathani Anomalous Variations in Ionosphere TEC, Trends in Science ISSN: 2774-0226 Communicated (2022).
K.S Yadav and J.S Pathak, 2018 Anomalous Variation in GPS based Total Electron Content (TEC), prior to 6 earthquakes in 2016, MAUSAM 69(3) , 421-428. ISSN: 252 9416.
K. S. Yadav, Karia SP, Pathak KN. 2016a. Removal of solar radiation effect based on nonlinear data processing technique for Seismo-Ionospheric Anomaly before few earthquakes. Geomatics, Natural Hazards and Risk. 7(3), 1147-1161. Impact factor 2.332, ISSN: 1947-5705.
K. S. Yadav, Karia S. P, Pathak K. N. 2016b. Anomalous Variation in GPS TEC, Land and Ocean

Parameters Prior to 3 Earthquakes. Acta Geophysica. 64(1), 43-60. Impact factor: 1.585, ISSN: 1895- 7455.

K. S. Yadav, Karia S. P, Pathak K. N. 2015. Anomalous variation in GPS based prior to 5 earthquakes in 2009 and 2010. Positioning 6(04), 96-104. Impact factor: 0.72, ISSN: 2150-8526.

7. S. P. Kari, K. N Pathak, K. S. Yadav, Nikita P Chaudhary, and Niles C Patel, Raman Jana, (2014a) Modification in Atmospheric Refractivity and GPS Based TEC as Earthquake Precursors, Positioning, 5 (02) pp. 46. Impact factor: 0.72, ISSN: 2150-8526.

8. Karia, S., Pathak, K. S. Yadav, K., Patel, N. (2014b). Reception of over horizon GPS propagation and earthquake precursors. Paper presented at the General Assembly and Scientific Symposium (URSI GASS), 2014 XXXIth URSI.

9. S.P. Kari, K. N. Pathak, K. S. Yadav, N Chaudhary, and N Patel, Change in Atmospheric Refractivity and GPS based TEC prior to Iran-Pakistan Border earthquake (M= 7.8) in April 2013, AGU Fall Meeting, 1 (2013) pp. 1629.

10. K. S. Yadav, Pathak, K., Kari, S. (2014). A nonlinear background removal method for seism-ionospheric anomaly analysis under a complex solar condition. Paper presented at the 40th COSPAR Scientific Assembly. Held 2-10 August 2014, in Moscow, Russia, Abstract C4. 1-53-14.

https://scholar.google.com/citations?hl=en&user=NGyRqlIAAAAJ

School / Workshops / SDPs Attended:

1. International School on “Use of e-infrastructures for Advanced Seismic Hazard assessment in Indian Subcontinent” 4-7 February 2013, ISR Gandhinagar.

2. SERC School on “GPS Application and Atmospheric Constraints” 13 June – 3 July, 2012, organized by Research and training unit for navigation electronics Osmania University, Hyderabad.

3. SERC School on “Seismo-Electromagnetism” 6-26 February, 2012 organized by Department of Physics Faculty of Engineering & technology, R.B.S Bichpuri Agra.

4. 76th Annual conference of The Indian mathematical Society organized by department of Applied Mathematics & Humanities, SVNIT Surat India 27-30 December , 2010.

5. Workshop on satellite meteorology : 50 Years journey organized by Indian meteorological society- Ahmadabad chapter and hosted by space application Centre (SAC), Isro Ahmadabad 29 October 2010

6. Workshop on “Fundamentals of Quantum Mechanics” organized by Department of Physics, Navyug Science College, Surat during December 24-25, 2006.

7. Workshop on “Fundamentals of Quantum Mechanics” organized by Department of Physics, Navyug Science College, Surat, 20th January, 2008.

8. Workshop on “Seismic micro-zonation “and 3rd international convection on “Advance in earthquake Science-2014, ISR Gandhinagar, 4-6 January 2014.

9. Advance scientific tools for materials science and technology organized by Department of Physics 29-31st May 2015.

10. Thin film and vacuum technology TFVT-2013, TEQIP sponsored training programme 9-13 December organized by department of Applied Physics, SVNIT Surat.

11. 55th Annual conference of Gujarat Ganit Mandal & International conference of Mathematics, on changing pattern of pedagogy” held at Indian Institute of Teacher Education, Gandhinagar during 15- 17th November 2018.

12. Workshop on Massive Open Online Courses (MOOCs) organized by IITE, in collaboration with NIOS (13th & 14th November, 2019.

BOOK

K. S. Yadav, (2019) TEC computation using IGS data to understand the ionosphere, LAP LAMBERT, ISBN: 978- 620-0-29430-2.

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