Dr. Bitap Raj Kalita

Associate Professor, Department of Physics
  • Phone No. - 9435749598
  • Department of Physics
  • Designation - Associate Professor

Profile

Education:

  1. Bachelor’s Degree: Physics, Cotton College
  2. Master’s Degree: Physics, IIT, Delhi 
  3. M.Tech: Optical Electronics and Communication, IIT Delhi
  4. Ph.D : Physics, Dibrugarh University
  5. Other: Six Sigma green belt

ProfessionalExperience:

  1. Teaching and Research in the department of PhysicsDibrugarh University since 2007
  2. Member of Panel on Solar Terrestrial Physics, IPSTRA programme, Institute for Advanced Research in Science (IARSc), Bangalore
  3. Co-ordinator of the NE region GNSS receiver chain (Aizwal, Dimapur, Dibrugarh)
  4. Adjunct Faculty, Centre for Atmospheric Studies, Dibrugarh University.
  5. Software Consultancy and project management in Headstrong, India from 2005-2007
  6. Software Development and Consultancy in Tata Consultancy Service from 2002-2005
  7. Teaching in department of Electronics, Guwahati University as contractual lecturer in 1999-2000

Areas of Interest/Specialization:

  • Space Physics, Instrumentation and Computation

Research Gate Link:

Bitap Raj Kalita on ResearchGate

Ph. D. Scholars:

Sl.No

Name

Topic

Status

1

Miss. Prantika Nath

A Study of the Structure and the Dynamics of the Low Latitude Ionosphere with special reference to the India-East Asia sector

 

Ongoing

2

Mr.Anirban Singha

A study on GNSS based integrated water vapour measurement in North East India

Ongoing

 

Administrative Assignments:

  1. Co-ordinator, Departmental placement cell

 

Consultancy:

  1. Enterprise Application server/software for TCS, India, US and Denmark (2002-2005)
  2. Public Wealth Management (PWM) division of Morgan Stanley for Headstrong , India (2005-2007

 

 

Publications

Research Publications:

  1. The investigation on daytime conjugate hemispheric asymmetry along 100°E longitude using observations and model simulations: New insights, B.R.Kalita, P.K.Bhuyan, S.J. Nath, M.C. Choudhury, D. Chakrabarty, K. Wang, K. Hazumi, P. SupnithiT.KomolmisC.Y.Yatini, M.Le Huy, Advances in Space Research, 69(10), May (2022), https://doi.org/10.1016/j.asr.2022.02.058
  2. Longitudinal and Interhemispheric Ionospheric Response to 2009 and 2013 SSW Events in the African‐European and Indian‐East Asian Sectors, G. Kakoti, B.R.Kalita, P.K.Bhuyan, S. Baruah and K. Wang, Journal of Geophysical Research:Space Physics, 125(11). e2020JA028570,DOI: 10.1029/2020JA028570
  3. SAMEERDU‐digital ionosonde: Brief system description and initial results from a low latitude location Dibrugarh,  Kalita, B. R., Nath, S. J., Bhuyan, P. K., Khandare, A., & Kulkarni, A., Radio Science, 54. (2019), https://doi.org/ 10.1029/2019RS006813
  4. The longitudinal and hemispherical variation of the IRI’s foF2 estimates at ±40º dip angle around 95ºE and 130ºE sector under fluctuating solar flux conditions. B.R Kalita, P.K. Bhuyan, P. Nath, A. Hazarika,  and K. Wang,  Advances in Space Research, 63(6),March, 2019, p-1914-1925. https://doi.org/10.1016/j.asr.2018.12.011
  5. Spatial features of L‒ band equinoctial scintillations from equator to low mid latitude at around 95á´ź E during 2015‒16, Barsha Dutta, Bitap Raj Kalita, P. K. Bhuyan,  S. Sarmah, R.C. Tiwari, K. Wang, K. Hozumi, T. Tsugawa, T. Yokoyama, M. Le. Huy  and T. T. H. Pham, Journal of Geophysical Research, 123 (9), https://doi.org/10.1029/2018JA025533
  6. Temporal evolution of the EIA along 95°E as obtained from GNSS TEC measurements and SAMI3 model, Geetashree Kakoti; Bitap Raj Kalita*,  Rumajyoti Hazarika; Pradip K Bhuyan; Sanjay Sharma; Ramesh Tiwari, Advances in Space Research, 61(11), June-2018, p-2837-2853,https://doi.org/10.1016/j.asr.2018.03.008,
  7. L-band nighttime scintillations at the northern edge of the EIA along 95°E during the ascending half of the solar cycle 24, Barsha Dutta, Bitap Raj Kalita. Pradip Kumar Bhuyan, Advances in Space Research, 61(7), April, 2018, p-1744-1760, https://doi.org/10.1016/j.asr.2017.07.027
  8. Conjugate hemisphere ionospheric response to the St. Patrick's Day storms of 2013 and 2015 in the 100ºE longitude sector, Bitap Raj Kalita, Rumajyoti  Hazarika, Geetashree Kakoti, P. K. Bhuyan, D. Chakrabarty, G. K. Seemala, K., S. Sharma, T. Yokoyama, P. Supnithi, T. Komolmis, C. Y. Yatini¬, M. L. Huy and P. Roy, Journal of Geophysical Research, 121(11), p-11364-11390, DOI: 10.1002/2016JA023119.
  9. Variations of the ionospheric parameters and vertical electron density distribution at the northern edge of the EIA from 2010 to 2015 along 95°E and comparison with the IRI-2012, Bitap Raj Kalita, Pradip Kumar Bhuyan, Advances in Space Research, 60(2), July 2016, ISSN 0273-1177, http://dx.doi.org/10.1016/j.asr.2016.06.041.
  10. NmF2 and hmF2 measurements at 95° E and 127° E around the EIA northern crest during 2010–2014, Bitap Raj Kalita, Pradip Kumar Bhuyan and Akimasa Yoshikawa, Earth, Planets and Space 2015, 67:186  doi:10.1186/s40623-015- 0355-3
  11. Ionospheric response to X-class solar flares in the ascending half of the subdued solar cycle 24, Rumajyoti Hazarika, Bitap Raj Kalita, Pradip Kumar Bhuyan, J Earth Syst Sci (2016) 125: 1235. doi:10.1007/s12040-016-0726-6.

Books and Book Chapters:

  1. Analysis Of The QoS Of Offset Time Based Burst Switching Protocol LAP Lambert Academic Publishing,ISBN-13:978-613-9-464647ISBN-10:6139464641 https://www.lap-publishing.com/
  2. Chapter on Space Weather and Climate Change drivers/NE India perspective: Monitoring vertical distribution of electron density over Dibrugarh, ISBN: 978-81-939507-5-3

International Conference Publications:

  1. The daytime conjugate hemisphericasymmetry along 100°E : new insights,Bitap Raj Kalita, P.K Bhuyan, MayurChoudhary , D.Chakrabarty, K. Wang, K. Hozumi, T. Komolmis, C. Y. Yatini, M. L. Huy, 15th Solar terrestrial Physics Symposium, 2022
  2. Asymmetric response of the low latitude ionosphere over East South Asia to 2015 solstice storms, Bitap Raj Kalita, P.K Bhuyan, MayurChoudhary , D.Chakrabarty, K. Wang, K. Hozumi, T. Komolmis, C. Y. Yatini, M. L. HuyFirst Indian Space Weather Conference 2022
  3. Preliminary results of SAMEER-Dibrugarh University Digital Ionosonde at Dibrugarh B. R.Kalita, Sankar Nath, P.K.Bhuyan, Ajay Khandare,Anil Kulkarni 2019 URSI Asia-Pacific Radio Science Conference (AP-RASC),Electronic ISBN:978-908-25987-5-9
  4. Data analysis software for SAMEER-DU Ionospheric Radar,R.Kalita, Sankar Nath, P.K.Bhuyan, Ajay Khandare,Anil Kulkarni 2019 URSI Asia-Pacific Radio Science Conference (AP-RASC),Electronic ISBN:978-908-25987-5-9
  5. Occurrence characteristics and causative mechanisms of daytime L-band scintillations over Dibrugarh, a station at the northern edge of EIA during 2010 – 2014,Barsha Dutta Bitap Raj Kalita Pradip Kumar Bhuyan, 2019 URSI Asia-Pacific Radio Science Conference (AP-RASC),Electronic ISBN:978-908-25987-5-9,DOI: 23919/URSIAP-RASC.2019.8738571
  6. A Modelling study of equatorial and low latitude ionosphere around 950 E during the deep solar minimum 2009-2010 using SAMI2 model, Angkita Hazarika, Pradip Kumar Bhuyan, Bitap Raj Kalita,2019 URSI Asia-Pacific Radio Science Conference (AP-RASC),Electronic ISBN: 978-908-25987-5-9,Doi: 10.23919/URSIAP-RASC.2019.8738655
  7. A method for identification of the F2 layer in noisy ionograms for autoscaling of foF2, Kalita, B.R.; Das, S.K.; Neog, P.; Bhuyan, P.K. Electrical, Electronics, Signals, Communication and Optimization (EESCO), 2015 International Conference on , vol., no., pp.1-6,24- 25,Jan.2015 ISBN:978-1- 4799-7676- 8,INSPEC Accession Number:15438807, Doi: 10.1109/EESCO.2015.7253983.

Courses Taken

  1. Electronics for M.Sc. second semester
  2. Digital Electronics for M.Sc. third semester as optional paper

Sponsored Projects

Research Projects (Completed as Co-PI):

  1. Design and Development, of Digital Ionosonde RADAR with ionospheric data analysis software and collection and analysis of ionospheric data in North East region for ionospheric studies in collaboration with Society for Applied Microwave Electronics Engineering and Research(SAMEER), Rs. 128.73 lakhs (Dibrugarh University Share-19 Lakhs).MeitY,GOV
  2. Investigation of the structure and dynamics of the Equatorial Ionization Anomaly along 95°E through a network of GNSS receivers. Rs. 98 lakhs. DST SERB

Research Projects (Ongoing as PI):

  1. Observational and modelling study of the Equatorial Ionization Anomaly (EIA) along 95ºE meridian (>30 Lakhs). Funding Agency: ISRO RESPOND

 

Profile

Profile

Education:

  1. Bachelor’s Degree: Physics, Cotton College
  2. Master’s Degree: Physics, IIT, Delhi 
  3. M.Tech: Optical Electronics and Communication, IIT Delhi
  4. Ph.D : Physics, Dibrugarh University
  5. Other: Six Sigma green belt

ProfessionalExperience:

  1. Teaching and Research in the department of PhysicsDibrugarh University since 2007
  2. Member of Panel on Solar Terrestrial Physics, IPSTRA programme, Institute for Advanced Research in Science (IARSc), Bangalore
  3. Co-ordinator of the NE region GNSS receiver chain (Aizwal, Dimapur, Dibrugarh)
  4. Adjunct Faculty, Centre for Atmospheric Studies, Dibrugarh University.
  5. Software Consultancy and project management in Headstrong, India from 2005-2007
  6. Software Development and Consultancy in Tata Consultancy Service from 2002-2005
  7. Teaching in department of Electronics, Guwahati University as contractual lecturer in 1999-2000

Areas of Interest/Specialization:

  • Space Physics, Instrumentation and Computation

Research Gate Link:

Bitap Raj Kalita on ResearchGate

Ph. D. Scholars:

Sl.No

Name

Topic

Status

1

Miss. Prantika Nath

A Study of the Structure and the Dynamics of the Low Latitude Ionosphere with special reference to the India-East Asia sector

 

Ongoing

2

Mr.Anirban Singha

A study on GNSS based integrated water vapour measurement in North East India

Ongoing

 

Administrative Assignments:

  1. Co-ordinator, Departmental placement cell

 

Consultancy:

  1. Enterprise Application server/software for TCS, India, US and Denmark (2002-2005)
  2. Public Wealth Management (PWM) division of Morgan Stanley for Headstrong , India (2005-2007

 

 

Publications

Publications

 

Research Publications:

  1. The investigation on daytime conjugate hemispheric asymmetry along 100°E longitude using observations and model simulations: New insights, B.R.Kalita, P.K.Bhuyan, S.J. Nath, M.C. Choudhury, D. Chakrabarty, K. Wang, K. Hazumi, P. SupnithiT.KomolmisC.Y.Yatini, M.Le Huy, Advances in Space Research, 69(10), May (2022), https://doi.org/10.1016/j.asr.2022.02.058
  2. Longitudinal and Interhemispheric Ionospheric Response to 2009 and 2013 SSW Events in the African‐European and Indian‐East Asian Sectors, G. Kakoti, B.R.Kalita, P.K.Bhuyan, S. Baruah and K. Wang, Journal of Geophysical Research:Space Physics, 125(11). e2020JA028570,DOI: 10.1029/2020JA028570
  3. SAMEERDU‐digital ionosonde: Brief system description and initial results from a low latitude location Dibrugarh,  Kalita, B. R., Nath, S. J., Bhuyan, P. K., Khandare, A., & Kulkarni, A., Radio Science, 54. (2019), https://doi.org/ 10.1029/2019RS006813
  4. The longitudinal and hemispherical variation of the IRI’s foF2 estimates at ±40º dip angle around 95ºE and 130ºE sector under fluctuating solar flux conditions. B.R Kalita, P.K. Bhuyan, P. Nath, A. Hazarika,  and K. Wang,  Advances in Space Research, 63(6),March, 2019, p-1914-1925. https://doi.org/10.1016/j.asr.2018.12.011
  5. Spatial features of L‒ band equinoctial scintillations from equator to low mid latitude at around 95á´ź E during 2015‒16, Barsha Dutta, Bitap Raj Kalita, P. K. Bhuyan,  S. Sarmah, R.C. Tiwari, K. Wang, K. Hozumi, T. Tsugawa, T. Yokoyama, M. Le. Huy  and T. T. H. Pham, Journal of Geophysical Research, 123 (9), https://doi.org/10.1029/2018JA025533
  6. Temporal evolution of the EIA along 95°E as obtained from GNSS TEC measurements and SAMI3 model, Geetashree Kakoti; Bitap Raj Kalita*,  Rumajyoti Hazarika; Pradip K Bhuyan; Sanjay Sharma; Ramesh Tiwari, Advances in Space Research, 61(11), June-2018, p-2837-2853,https://doi.org/10.1016/j.asr.2018.03.008,
  7. L-band nighttime scintillations at the northern edge of the EIA along 95°E during the ascending half of the solar cycle 24, Barsha Dutta, Bitap Raj Kalita. Pradip Kumar Bhuyan, Advances in Space Research, 61(7), April, 2018, p-1744-1760, https://doi.org/10.1016/j.asr.2017.07.027
  8. Conjugate hemisphere ionospheric response to the St. Patrick's Day storms of 2013 and 2015 in the 100ºE longitude sector, Bitap Raj Kalita, Rumajyoti  Hazarika, Geetashree Kakoti, P. K. Bhuyan, D. Chakrabarty, G. K. Seemala, K., S. Sharma, T. Yokoyama, P. Supnithi, T. Komolmis, C. Y. Yatini¬, M. L. Huy and P. Roy, Journal of Geophysical Research, 121(11), p-11364-11390, DOI: 10.1002/2016JA023119.
  9. Variations of the ionospheric parameters and vertical electron density distribution at the northern edge of the EIA from 2010 to 2015 along 95°E and comparison with the IRI-2012, Bitap Raj Kalita, Pradip Kumar Bhuyan, Advances in Space Research, 60(2), July 2016, ISSN 0273-1177, http://dx.doi.org/10.1016/j.asr.2016.06.041.
  10. NmF2 and hmF2 measurements at 95° E and 127° E around the EIA northern crest during 2010–2014, Bitap Raj Kalita, Pradip Kumar Bhuyan and Akimasa Yoshikawa, Earth, Planets and Space 2015, 67:186  doi:10.1186/s40623-015- 0355-3
  11. Ionospheric response to X-class solar flares in the ascending half of the subdued solar cycle 24, Rumajyoti Hazarika, Bitap Raj Kalita, Pradip Kumar Bhuyan, J Earth Syst Sci (2016) 125: 1235. doi:10.1007/s12040-016-0726-6.

Books and Book Chapters:

  1. Analysis Of The QoS Of Offset Time Based Burst Switching Protocol LAP Lambert Academic Publishing,ISBN-13:978-613-9-464647ISBN-10:6139464641 https://www.lap-publishing.com/
  2. Chapter on Space Weather and Climate Change drivers/NE India perspective: Monitoring vertical distribution of electron density over Dibrugarh, ISBN: 978-81-939507-5-3

International Conference Publications:

  1. The daytime conjugate hemisphericasymmetry along 100°E : new insights,Bitap Raj Kalita, P.K Bhuyan, MayurChoudhary , D.Chakrabarty, K. Wang, K. Hozumi, T. Komolmis, C. Y. Yatini, M. L. Huy, 15th Solar terrestrial Physics Symposium, 2022
  2. Asymmetric response of the low latitude ionosphere over East South Asia to 2015 solstice storms, Bitap Raj Kalita, P.K Bhuyan, MayurChoudhary , D.Chakrabarty, K. Wang, K. Hozumi, T. Komolmis, C. Y. Yatini, M. L. HuyFirst Indian Space Weather Conference 2022
  3. Preliminary results of SAMEER-Dibrugarh University Digital Ionosonde at Dibrugarh B. R.Kalita, Sankar Nath, P.K.Bhuyan, Ajay Khandare,Anil Kulkarni 2019 URSI Asia-Pacific Radio Science Conference (AP-RASC),Electronic ISBN:978-908-25987-5-9
  4. Data analysis software for SAMEER-DU Ionospheric Radar,R.Kalita, Sankar Nath, P.K.Bhuyan, Ajay Khandare,Anil Kulkarni 2019 URSI Asia-Pacific Radio Science Conference (AP-RASC),Electronic ISBN:978-908-25987-5-9
  5. Occurrence characteristics and causative mechanisms of daytime L-band scintillations over Dibrugarh, a station at the northern edge of EIA during 2010 – 2014,Barsha Dutta Bitap Raj Kalita Pradip Kumar Bhuyan, 2019 URSI Asia-Pacific Radio Science Conference (AP-RASC),Electronic ISBN:978-908-25987-5-9,DOI: 23919/URSIAP-RASC.2019.8738571
  6. A Modelling study of equatorial and low latitude ionosphere around 950 E during the deep solar minimum 2009-2010 using SAMI2 model, Angkita Hazarika, Pradip Kumar Bhuyan, Bitap Raj Kalita,2019 URSI Asia-Pacific Radio Science Conference (AP-RASC),Electronic ISBN: 978-908-25987-5-9,Doi: 10.23919/URSIAP-RASC.2019.8738655
  7. A method for identification of the F2 layer in noisy ionograms for autoscaling of foF2, Kalita, B.R.; Das, S.K.; Neog, P.; Bhuyan, P.K. Electrical, Electronics, Signals, Communication and Optimization (EESCO), 2015 International Conference on , vol., no., pp.1-6,24- 25,Jan.2015 ISBN:978-1- 4799-7676- 8,INSPEC Accession Number:15438807, Doi: 10.1109/EESCO.2015.7253983.
Courses Taken
Current Courses
Sponsored Projects