Dr Abhikesh Kumar

PhD in Physics - USP

MSc in Physics - USP

Postgraduate Diploma in Physics - USP

Bachelor of Education - USP

AWARDS

• Received the Gold medal for being the outstanding student for the BEd Secondary (Physics) Program in the School of Humanities at USP for the year 2003.

• Received Certificate of Outstanding Performance in School of humanities at USP for the year 2003.

RESEARCH PUBLICATIONS IN PEER REVIEWED JOURNALS

1. Sushil Kumar and Abhikesh Kumar, Diurnal variation of 19.8 kHz signal propagation over  long path to Suva, South Pacific Journal of Natural Science, October 2007.

2. Sushil Kumar, Abhikesh Kumar and Craig J. Rodger, Subionospheric early VLF perturbations observed at Suva: VLF detection of red sprites in the day? Journal of Geophysical Research, 113, A03311,doi:10.1029/2007JA012734, 2008.

3. Abhikesh Kumar and Sushil Kumar, Initial results on solar flare effect on 24.8 kHz subionospheric propagation over long path to Suva, South Pacific Journal of Natural Science, 2008.

4. Abhikesh Kumar and Sushil Kumar, Identifying the decay form of the echo amplitude and echo phase of typical early/fast VLF event on 19.8 kHz signal, South Pacific Journal of Natural Science, 2010.

5. Sushil Kumar and Abhikesh Kumar, Lightning associated VLF perturbations observed at low latitude: occurrence and scattering characteristics, Earth, Planets and Space, 65, 25-37, doi:10.5047/eps.2012.05.019, 2013.

6. Abhikesh Kumar, Sushil Kumar, Masashi Hayakawa, and Fredrik Menk, Subionospheric VLF perturbations observed at low latitude associated with earthquake from Indonesia region, Journal of Atmospheric and Solar Terrestrial Physics, 102, 71-80, doi.org/10.1016/j.jastp.2013.04.011, 2013.

7. Abhikesh Kumar and Sushil Kumar, Space Weather Effects on the Low Latitude D-Region Ionosphere during Solar Minimum, Earth, Planets and Space, 66:76, doi: 10.1186/1880-5981-66-76, 2014.

8. Ajeet Maurya, D. V. Phani Kumar, Rajesh Singh, Sushil Kumar, B. Veenadhari, Y. S. Kwak, Abhikesh Kumar, and Abhay Singh, Low-mid latitude D-region ionospheric perturbations associated with 22 July 2009 Total Solar Eclipse: Wave-like Signatures inferred from VLF observations, Journal of Geophysical Research, Space Physics, 119, doi:10.1002/2013JA019521, 2014.

9. Sushil Kumar, Abhikesh Kumar, Frederick Menk, Ajeet K Maurya, Rajesh Singh and Bhaskara Veenadhari, Response of the low latitude D-region ionosphere to extreme space weather event of 14-16 December 2006, Journal of Geophysical Research (Space Physics), 120, 788–799, doi:10.1002/2014JA020751, 2015.

10. Sushil Kumar, Abhikesh Kumar, Ajeet K Maurya, Rajesh Singh, Sub-ionospheric VLF perturbations at Suva associated with solar eclipses of July 2009, November 2012 and May 2013, J. Geophys. Res. (Space Physics), 2016.

CONFERENCE PROCEEDINGS

1. Abhikesh Kumar and Sushil Kumar, Tracking of tropical cyclones and their intensity changes in the South Pacific region using World-wide lightning location network, Proceedings to 12th Pacific Science Inter-Congress, University of the South Pacific, Suva, 2013.

CONFERENCE PAPERS/PRESENTATIONS

1. Abhikesh Kumar and Sushil Kumar, Solar flare effect on subionospheric VLF transmitter signals received at low latitude in the South Pacific Region, Presented in International CAWSES symposium, 23-27 October 2007, Kyoto University, Japan.

2. Sushil Kumar and Abhikesh Kumar, Further investigations on subionospheric VLF perturbations observed at Suva, Fiji, presented in the Chapman conference on the Effects of Thunderstorms and Lightning in the Upper Atmosphere, 10-14 May 2009, The Pennsylvania State University, University Park, Pennsylvania, USA.

3. Sushil Kumar and Abhikesh Kumar, Morphological features of Subionospheric VLF signals Observed in Fiji with AWESOME setup, presented in VLF Sharjah-Stanford Workshop, Sharjah, 22-24 February, 2010.

4. Sushil Kumar and Abhikesh Kumar, Ionospheric response to the space weather events during December 2006 in the South Pacific Region, International Union of Geodesy and Geophysics (IUGG) General Scientific Assembly, Melbourne, Australia, 28 June-07 July 2011.

5. Abhikesh Kumar and Sushil Kumar, A study on subionospheric VLF signals observed in Fiji. Presented in Indo-US VLF workshop, 27 Nov-01 Dec 2011, Goa, India.

6. Sushil Kumar, Rajesh Singh, B. Veenadhari, Abhikesh Kumar, and Ajeet Maurya, Space Weather: ELF-VLF observations, Presented in Indo-US VLF workshop, 27 Nov-01 Dec 2011, Goa, India.

7. Sushil Kumar and Abhikesh Kumar, Tracking of tropical cyclonic storms and thunderstorms in the South Pacific region – Application of World-Wide Lightning Location Network, Science, Technology and Resources Network (STAR) Conference, 3-6 November, 2012, Noumea, New Caledonia.

8. Abhikesh Kumar, Sushil Kumar, Masashi Hayakawa, and Fredrik Menk, VLF perturbations at Low latitude Associated with December 2006 Natural Hazard Events: Indonesia Region Earthquake and Geomagnetic Storm, Asia Oceania Geosciences Society (AOGS), Annual meeting, 24-28 June, 2013, Brisbane, Australia.

9. Abhikesh Kumar and Sushil Kumar, Tracking of tropical cyclones in the South Pacific region using World-Wide Lightning Location Network, 12th Pacific Science Inter-Congress (To be presented), University of the South Pacific, Suva, Fiji, 8-12 July 2013.

10. Sushil Kumar and Abhikesh Kumar, Space Weather Effects on the Low Latitude D-Region Ionosphere during Solar Minimum, Presented in International CAWSES II symposium, 18-22 November 2013, Nagoya, Japan.

11. Sushil Kumar, Abhikesh Kumar, Ajeet K Maurya, and Rajesh Singh, Early VLF perturbations at low latitude in the South pacific region: AWESOME and SOFTPAL observations, 6th VERSIM Workshop, Otago University, Dunedin, New Zealand, 20-23 January 2014. 

12. Sushil Kumar and Abhikesh Kumar,  An overview of Early VLF perturbations at low latitude in the South pacific region, Presented in Thunderstorm Effects on the Atmosphere-Ionosphere System (TEA-IS) Summer School, Collioure, France, June 23 - 27, 2014.

PROFESSIONAL AFFILIATIONS

• Member of Institute of Electrical and Electronics Engineering (IEEE) – membership number 93060854

• Committee member of the South Pacific Physics Society (SPPS)

• Member of World Wide Lightning Location Network (WWLLN)

RESEARCH COLLABORATIONS

• Space Physics Group, Physics Department, Otago University, NZ (Prof. Craig Rodger).

• University of Electro‐Communications (UEC), Advanced Wireless Communications Research Center (AWCC), Chofugaoka, Chofu, Tokyo, Japan (Prof. Masashi Hayakawa).

• STAR laboratory, Stanford University, USA.

• World-wide Lightning Location network, University of Washington, USA.

• GNSS Research Centre, Wuhan University, China.

RESEARCH REPORTS

Kumar, A. 2009, Amplitude and Phase Study of Subionospheric VLF Radio Signals Received at Suva, MSc. Thesis, University of the South Pacific, Suva, Fiji.

Kumar, A. 2015, Ionospheric D-Region Investigation Using ELF-VLF Radio Wave Techniques, PhD. Thesis, University of the South Pacific, Suva, Fiji.