Publications in SCI Journals

Uma Das, Ward, W. E., Pan, C. J., and Das, S. K., “Migrating and NonMigrating Tides Observed in the Stratosphere from FORMOSAT-3/COSMIC Temperature Retrievals”, Annales Geophysicae, 38, 421–435, https://doi.org/10.5194/angeo-38-421-2020, 2020. (SCI, Impact Factor: 1.585, Citation: 0)
Chen-Jeih Pan, Shih-Sian Yang, Uma Das, Wei-Sheng Chen, “Morphology of the wavenumber 1 and wavenumber 2 stratospheric Kelvin waves using the long-term ERA-Interim reanalysis dataset”, Atmosphere,11,421; doi:10.3390/atmos11040421,2020.(SCIE & SCOPUS, Impact Factor: 2.046, Citation: 0).
Wei-Sheng Chen, C.J. Pan, Uma Das, “The mean zonal wind effect on the long-term variation of ultra-fast Kelvinwaves in the mesosphere and lower thermosphere and in the upperstratosphere”, J. Atmos. Sol. Terr. Phys., 179, 459–467, doi: 10.1016/j.jastp.2018.10.006, 2018. (SCI, Impact Factor: 1.79, Citation: 2)
Uma Das and C. J. Pan, “Influence of El Nino Southern Oscillation on Equatorial Atmospheric Kelvin waves”, Science of Total Environment, 544, 908-918, doi:10.1016/j.scitotenv.2015.12.009, 2016. [Impact Factor: 4.099, Citation: 0]
S. S. Yang, C. J. Pan, Uma Das and H. C. Lai, “Analysis of Synoptic Scale Controlling Factors in the Distribution of Gravity Wave Potential Energy”, J. Atmos. Sol. Terr. Phys., 135, 126-135, doi:10.1016/j.jastp.2015.10.020, 2015. [Impact Factor: 1.474, Citation: 0]
D. Selvaraj, A. K. Patra, H. Chandra, H. S .S. Sinha, Uma Das, “Scattering cross section of mesospheric echoes and turbulence parameters from Gadanki radar observations”, J. Atmos. Sol. Terr. Phys., 119, 162–172, doi:10.1016/j.jastp.2014.08.004, 2014. [Impact Factor: 1.751, Citation: 2]
Uma Das and C. J. Pan, “Validation of FORMOSAT-3/COSMIC ‘atmprf’ global temperature data in the Stratosphere”, Atmospheric Measurement Techniques, 7, 731–742, doi:10.5194/amt-7-731-2014, 2014. [Impact Factor: 3.206, Citation: 8]
*Lim Eng Sing, Uma Das, C. J. Pan, Khiruddin Abdullah, and C. J. Wong, “Investigating Variability of Outgoing Longwave Radiation over Peninsular Malaysia using Wavelet Transform”, J. Climate, 26, 3415–3428, doi:10.1175/JCLI-D-12-00345.1, 2013. [Impact Factor: 4.362, Citation: 1]
Uma Das and C. J. Pan, “Strong Kelvin Wave Activity Observed during the Westerly Phase of QBO - A Case Study”, Ann. Geophys., 31, 581–590, doi:10.5194/angeo-31-581-2013, 2013. [Impact Factor: 1.518, Citation: 4]
H. Chandra, H. S. S. Sinha, A. K. Patra, Uma Das, D. Selvaraj, R. N. Misra, and Jayati Datta, ‘Low latitude mesospheric turbulence investigated using coordinated MST radar and rocket-borne observations from India’, J. Geophys. Res., 117, D22109, doi:10.1029/2011JD016946, 2012. [Impact Factor: 3.021, Citation: 2]
Uma Das and C. J. Pan, ‘The Temperature Structure of Mesosphere over Taiwan and comparison with other Latitudes’, J. Geophys. Res., 116, D00P06, doi:10.1029/2010JD015034, 2011. [Impact Factor: 3.303, Citation: 2]
*Uma Das, C. J. Pan, H. S. S. Sinha, “Effects of Solar Cycle Variations on Oxygen Green Line Emission Rate over Kiso”, Earth Planets Space, 63, 941–948, 2011. [Impact Factor: 1.112, Citation: 4]
C. J. Pan, Uma Das, S. S. Yang, C. J. Wong and H. C. Lai, “Investigation of Kelvin waves in the Stratosphere Using FORMOSAT-3/COSMIC Temperature Data”, J. Meteor. Soc. Japan., 89A, 83-86, 2011. [Impact Factor: 1.149, Citation: 4]
*Uma Das, Duggirala Pallamraju and S. Chakrabarti, “Effect of an X‐Class solar flare on the OI 630 nm dayglow emissions”, J. Geophys. Res., 115, A08302, doi:10.1029/2010JA015370, 2010. [Impact Factor: 3.082, Citation: 4]
Uma Das and H. S. S. Sinha, “The Winter Equatorial Mesospheric Neutral Turbulence“, Curr. Sci., 99, 1, 80-85, 2010. [Impact Factor: 0.782, Citation: 2]
Duggirala Pallamraju, Uma Das and S. Chakrabarti, “Short- and long-timescale thermospheric variability as observed from OI 630.0 nm dayglow emissions from low-latitudes”, J. Geophys. Res, 115, A06312, doi:10.1029/2009JA015042, 2010. [Impact Factor: 3.082, Citation: 10]
Patra, A. K., N. Venkateswara Rao, D. V. Phanikumar, H. Chandra, Uma Das, H. S. S. Sinha, T. K. Pant, and S. Sripathi, “A study on the low-latitude daytime E region plasma irregularities using coordinated VHF radar, rocket-borne, and Ionosonde observations”, J. Geophys. Res., 114, A11301, doi:10.1029/2009JA014501, 2009. [Impact Factor: 3.147, Citation: 6]
Uma Das, H. S. S. Sinha, Som Sarma, H. Chandra and Sanat K. Das, “Fine Structure of the Low Latitude Mesospheric Turbulence”, J. Geophys. Res., 114, D10111, doi:10.1029/2008JD011307, 2009. [Impact Factor: 3.147, Citation: 12]
Uma Das and H. S. S. Sinha, ‘Long term variations in oxygen green line emission over Kiso, Japan from ground photometric observations using continuous wavelet transform’, J. Geophys. Res., 113, D19115, doi:10.1029/2007JD009516, 2008. [Impact Factor: 2.953, Citation: 10]
H. Chandra, H. S. S. Sinha, Uma Das, R. N .Misra, S. R. Das, Jayati Datta, S. C. Chakravarty, A. K. Patra, N. Venkateswara Rao and D. Narayan Rao, ‘First mesospheric turbulence study using coordinated rocket and MST radar measurements over Indian low latitude region’, Ann. Geophys, 26, 2725–2738, 2008. [Impact Factor: 1.427, Citation: 12]

Publications in Conference Proceedings

Subhajit Debnath and Uma Das, “Effect of Window Size on Fourier Space of CMAM30 Model Data Generated for Satellite Sampling”, 7th International Conference on Advanced Computing, Networking, and Informatics (ICACNI-2019), 20 - 21 December 2019, Indian Institute of Information Technology Kalyani, Kalyani, West Bengal, India.
SattamGhosal, Abhishek Karmakar, Pushkar Sahay and Uma Das, “Analysis of Lakes over the period of time through Image Processing”, 7th International Conference on Advanced Computing, Networking, and Informatics (ICACNI-2019), 20 - 21 December 2019, Indian Institute of Information Technology Kalyani, Kalyani, West Bengal, India.

Papers presented in Conferences/Symposia/Workshops

Uma Das, William Ward, C. J. Pan, Sanat Kumar Das, “Short Term Variability in Sun Synchronous and Non Sun Synchronous Tides in the Middle Atmosphere from FORMOSAT-3/COSMIC Data, 16th Annual Meeting of Asia Oceania Geosciences Society, 28 July-2 August 2019, Singapore.
Sanat Kumar Das, Uma Das, Abhijit Chatterjee, Sanjay K. Ghosh, Chen Jeih Pan, SibajiRaha, Poor Air Quality Leading to High Health Risk in the Himalayan Urban Region: A Study with Low-cost Sensors,16^th Annual Meeting of Asia Oceania Geosciences Society, 28 July-2 August 2019, Singapore.
Uma Das, “Short Term Variability in Tides in the Middle Atmosphere during SSWs”, Pressing for Progress 2019,19-21 September 2019, University of Hyderabad, Hyderabad.
C. J. Pan, W.S. Chen, Uma Das, ‘Kelvin waves in the stratosphere and the mesosphere and lower thermosphere region during 2009-2010, 20-24 May 2018, Japan.
W.S. Chen, C. J. Pan, Uma Das, ‘Case studies for ultra-fast Kelvin waves in the mesosphere and lower thermosphere region during El Niño, 20-24 May 2018, Japan.
Uma Das, K. Shiokawa, Y. Otsuka, Mamoru Yamamoto, Dave Neudegg, Colin Yuile, T. Komolmis, S. Komonjida, C. Y. Yatini, ‘Seasonal and Solar Cycle Variations of the Diurnal Tide in Thermospheric Neutral Wind obtained from FPI Observations at middle and low latitudes’, 15^th Annual Meeting of Asia Oceania Geosciences Society, 3-8 June 2018, Honolulu, Hawaii.
C. J. Pan, Uma Das, H. C. Lai, ‘Effect of Kelvin Waves on Stratospheric QBO during El Nino Periods using ECMWF Reanalysis Data’, Japan Geoscience Union Meeting, 20-25 May 2017.
H.C. Lai, Uma Das and C. J. Pan, ’Study on the Vertical Wavelength of the Atmospheric Kelvin Waves’, Japan Geoscience Union Meeting, 20-25 May 2017
Uma Das and C. J. Pan, ‘Atmospheric Kelvin Waves during El Nino periods from ECMWF reanalysis data’, UPCAR (Understanding, Predicting and projecting Climate change over Asian Region), 26-28 June 2017 at Tirupati.
W. Ward, Uma Das and Jian Du, “Tidal coupling through the middle/upper atmosphere”, 41^st COSPAR Scientific Assembly, 30 July-7 August 2016, Istanbul, Turkey.
W. Ward, Uma Das and Jian Du, “Coupling associated with the Superposition of Tidal Components in the Mesosphere and Lower Thermosphere”, AOGS 12^th Annual Meeting, 2-7 August 2015, Singapore.
Uma Das, W. Ward and Jian Du, “Aliasing Effects in the Diagnosis of Tides and Planetary Waves in Satellite Data”, AGU Fall Meeting, 15-19 December 2014, San Francisco, USA.
W. Ward, Uma Das and Jian Du, “Consequences of the Superposition of Tidal Components on the Dynamics of Mesosphere and Lower Thermosphere”, AGU Fall Meeting, 15-19 December 2014, San Francisco, USA.
W. Ward, Uma Das and Jian Du, “Tidal Variability in the Mesopause Region”, 5th IAGA/ICMA/SCOSTEP Workshop on Vertical Coupling in the Atmosphere-Ionosphere System, 11 - 15 August 2014, Antalya, Turkey.
Uma Das, C. J. Pan and W. Ward, “Equatorial Middle Atmospheric Dynamics”, 5^th IUPAP International Conference for Women in Physics, 5-8 August 2014, Waterloo, Canada.
W. Ward, Uma Das and Jian Du, “Tidal influences and variability in the mesosphere and lower thermosphere”, 40^th COSPAR Scientific Assembly, 2-10 August, 2014, Moscow, Russia.
W. Ward, Alan Manson, Marianna Shepherd, Young-Min Cho, Uma Das, Samuel Kristoffersen, Chris Meek, Christopher Vail, James Drummond, “Dynamics In The Mesosphere And Lower Thermosphere In The High Arctic: Observations From The Polar Environment Atmospheric Research Laboratory”, 40^th COSPAR Scientific Assembly, 2-10 August, 2014, Moscow, Russia.
Uma Das and W. Ward, “Wave Analysis and Aliasing Issues”, PAHA/CANDAC Workshop and CREATE Research Symposium, 24-25 April 2014, Toronto, Canada.
Uma Das and C. J. Pan, “Effects of El Nino Southern Oscillation on Equatorial Atmospheric Kelvin Waves”, Canadian Association of Physicists (CAP) Division of Atmospheric and Space Physics (DASP) Annual Meeting, 19-21 February, 2014, Fredericton, Canada.
Uma Das and C. J. Pan, ‘Vertical Properties of Atmospheric Kelvin Waves’, 2013 Workshop on Whole Atmosphere Coupling during Solar Cycle 24, 14-17 July 2013, Institute of Space Science, National Central University, Jhongli City, Taiwan (Invited).
Uma Das and C. J. Pan, ‘Investigation of Generation of Equatorial Atmospheric Kelvin Waves – What Decides the Horizontal and Vertical Properties?’, Asia Oceania Geosciences Society (AOGS), 24-28^th June 2013, Brisbane, Australia.
Uma Das and C. J. Pan, ‘Ultra-Fast Kelvin Waves - Sources, Generation of Preferential Modes, and Effects on the Ionosphere-Thermosphere System’, Japan Geosciences Union Meeting, 19-24^th, May, 2013, Tokyo, Japan.
C. J. Pan and Uma Das, ‘FORMOSAT-3/COSMIC Temperature in the Middle Atmosphere - Comparison with SABER & MLS Temperatures and Reanalyses Data’, Japan Geosciences Union Meeting, 19-24^th, May, 2013, Tokyo, Japan.
Uma Das, C. J. Pan and H. S. S. Sinha, ‘Long term study of the oxygen green airglow using Continuous Wavelet Transform and Hilbert-Huang transform’, 39^th COSPAR Scientific Assembly, 14-22 July 2012, Mysore, India.
Uma Das, C. J. Pan, S. S. Yang, ‘High Kelvin wave activity observed during the westerly phase of QBO’, 39^th COSPAR Scientific Assembly, 14-22 July 2012, Mysore, India.
S. S. Yang, C. J. Pan, Uma Das, ‘Investigation of westward propagating equatorial waves’, American Geophysical Union, Fall Meeting 2011, abstract #A51A-0280, 12/2011.
Uma Das and C. J. Pan, ‘The Temperature Structure of Mesosphere over Taiwan and comparison with other Latitudes’, The Ninth Cross-Strait Space Science Workshop (CSSSW9), 16-22 October 2010, Longtan, Taiwan.
C. J. Pan, S. S. Yang and Uma Das, ‘Investigation of Kelvin waves in the stratosphere using FORMOSAT-3/COSMIC Temperature data’, The Ninth Cross-Strait Space Science Workshop (CSSSW9), 16-22 October 2010, Longtan, Taiwan.
Duggirala Pallamraju, Uma Das and Chakrabarti S, ‘Wave Dynamics of Dayglow Emissions over Low-Latitudes’, 38th COSPAR Scientific Assembly, 18-25 July 2010, Singapore, Vol 38, 943.
Uma Das, H. S. S. Sinha, H. Chandra, A. K. Patra, ‘Seasonal Variation in Mesospheric Neutral Turbulence Investigated using Rocket and Radar Observations’, Asia Oceania Geosciences Society (AOGS), 5-9 July 2010, Hyderabad, India (Invited).
Uma Das, Duggirala Pallamraju, S. Chakrabarti, “Effect of an X-Class solar flare on the OI 630 nm dayglow emission”, Western Pacific Geophysics Meeting (WPGM), 22-25 June 2010, Taipei, Taiwan.
Uma Das, Duggirala Pallamraju, S. Chakrabarti, “Effect of an X-class Flare seen in the Neutral Oxygen Dayglow Emissions”, Asia Oceania Geosciences Society (AOGS), 6th Annual Meeting, 11-15 August 2009, Singapore.
Duggirala Pallamraju, Uma Das, S. Chakrabarti, “Short and Long Term Wave Dynamics as Derived From Daytime Airglow Observations From Low-Latitudes”, Asia Oceania Geosciences Society (AOGS), 6th Annual Meeting, 11-15 August 2009, Singapore.
Uma Das and H. S. S. Sinha, “Long term variations in oxygen green line emission over Kiso from ground based observations using Continuous Wavelet Transform”, Book of Abstracts, pg 57, International Symposium on Equatorial Aeronomy - 12 (ISEA-12), 18-24 May 2008, Crete, Greece.
H. S. S. Sinha, Uma Das, R. N. Misra, M. B. Dadhania, Swaroop Banerjee and N. Dutt,“Study of Mesospheric Turbulence using Rocket-borne Electron Density Measurements”, Book of Abstracts, pg 67, International Symposium on Equatorial Aeronomy - 12 (ISEA-12), 18-24 May 2008, Crete, Greece.
H. Chandra, H. S. S. Sinha, R. N .Misra, S. R. Das, Uma Kota, D. Narayan Rao, A. K. Patra, S. C. Chakravarty, Jayati Datta, “Mesospheric Turbulence Studies using Rocket and Indian MST Radar”, Proceedings of the Eleventh-International Workshop on Technical and Scientific aspects on MST RADAR (MST11), 11-15 December 2006, Gadanki, India.
H. Chandra, H. S. S. Sinha, R. N .Misra, S. R. Das, Uma Kota, Jayati Datta, S. C. Chakravarty, A. K. Patra, D. N. Rao, “Mesospheric turbulence studies using rocket and MST radar over low latitude: campaign of July, 2004”, 36P^thP COSPAR Scientific Assembly, 16-23 July 2006, Beijing, China.
H. Chandra, H. S. S. Sinha, R.N.Misra, S. R. Das, Uma Kota, D. Narayan Rao, A. K. Patra, S. C. Chakravarty, Jayati Datta, Geetha Ramkumar, C. V. Devasia, S. Gurubaran, S. Alex, A. R. Jain, “Mesospheric turbulence and stratification studies using rocket-borne, MST radar and other ground based experiments”, 11P^thP International Symposium on Equatorial Aeronomy, 9-14 May 2005, Taipei, Taiwan.
H. S. S. Sinha, P. K. Rajesh, J. Y. Liu, R. N. Misra, S. B. Banerjee, N. Dutt, M. B. Dadhania, Uma Kota, “All Sky Imaging of Plasma Depletions Over Indian Zone Durng Solar Maximum”, 11P^thP International Symposium on Equatorial Aeronomy, 9-14 May 2005, Taipei, Taiwan.

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