SPL Annual Report (2019 - 2020) Soft Copy is available for download


Our Vision:

Scientific understanding of the energetics, dynamics and chemistry

of the terrestrial and planetary environments,and implications to the society


हमारा उद्देश्य:
भौमिक एवं ग्रहीय पर्यावरण के ऊर्ज़ा विज्ञान, गतिकी, एवं

रसायन शास्त्र की वैज्ञानिक समझ,
तथा समाज़ पर इनकी विवक्षा



  Dr. Radhika Ramachandran    
  Dr. Radhika Ramachandran joined ISRO in Jan. 1984 and started her research career in the area of "Boundary Layer Physics". She was the founder head of a new branch, "NAM" at SPL. She has taken over as Director of SPL in Mar. 2017. [MORE ....]    

new1Emmanuel et al., (2020), Effect of monsoon dynamics and deep convection on the upper troposphere lower stratosphere water vapour over Indian monsoon region. Atmospheric Research, 105336, https://doi.org/10.1016/j.atmosres.2020.105336

 new1Das, et al., (2020), Multiplatform observations of stratosphere-troposphere exchange over the Bharati (69.41oS, 76oE), Antarctica during ISEA-35, Journal  of Solar and Terrestrial Physics, 211, 105455. https://doi.org/10.1016/j.jastp.2020.105455

new1Krishnaprasad et al. (2020), Recurrent Solar Energetic Particle Flux Enhancements Observed near Earth and Mars. The Astrophysical Journal, 902(1), 13.https://doi.org/10.3847%2F1538-4357%2Fabb137

new1Vishnu, et al., (2020), An Investigation of the Elevated Aerosol Layer Using a Polarization Lidar Over a Tropical Rural Site in India, Boundary-Layer Meteorology, https://doi.org/10.1007/s10546-020-00573-2

new1Subrahamanyam et al. (2020), "Impact of a Very Severe Cyclonic Storm 'OCKHI' on the Vertical Structure of Marine Atmospheric Boundary Layer over the Arabian Sea", Bulletin of Atmospheric Science and Technologyhttps://doi.org/10.1007/s42865-020-00020-7, 2020

new1Roshny et al. (2020), "An Assessment of a Very Severe Cyclonic Storm in the Arabian Sea using COSMO Model", SN Applied Scienceshttps://doi.org/10.1007/s42452-020-03645-7, 2020

new1Gupta et al. (2020), "Direct observations of the multi-year seasonal mean diurnal variations of TOA cloud radiative forcing over tropics using Megha-Tropiques-ScaRaB/3", Climate Dynamics, https://doi.org/10.1007/s00382-020-05441-w, 2020

new1Aryasree  et al. (2020), "Radiative characteristics of near-surface aerosols at a tropical site: An estimation based on concurrent measurements of their physico-chemical characteristics", Journal of Earth System Science, 129, 185, 2020. (http://dx.doi.org/10.1007/s12040-020-01444-7)

 new1Aswini  et al. (2020), "Impact assessment of continental and marine air-mass on size-resolved aerosol chemical composition over coastal atmosphere: Significant organic contribution in coarse mode fraction", Atmospheric Research, 248, 105216, 2020. (http://dx.doi.org/10.1016/j.atmosres.2020.105216)

 new1Ando  et al. (2020), Thermal structure of the Venusian atmosphere from the sub-cloud region to the mesosphere as observed by radio occultation, Sci Rep 10, 3448 (2020). https://doi.org/10.1038/s41598-020-59278-8.

 new1Choudhary  et al. (2020), Dual Frequency Radio Science experiment onboard Chandrayaan-2: a radio occultation technique to study temporal and spatial variations in the surface-bound ionosphere of the Moon , Current Science, vol. 118, NO. 2

 new1Krishnaprasad et al. (2020), On the response of Martian ionosphere to the passage of a corotating interaction region: MAVEN observations. Journal of Geophysical Research: Space Physics, 124, 6998–7012. https://doi.org/10. 1029/2019JA026750.

 new1Kumar et al. (2020), A comparative study of non-thermal parameters of the X-class solar flare plasma obtained from cold and warm thick-target models; error estimation by Monte Carlo simulation method; Astrophysics and Space Science, 365(1), p.18.

 new1Kureshi et al. (2020), Electrostatic charging of the sunlit hemisphere of the Moon under different plasma conditions; Astrophysics and Space Science, 365:23, 10.1007/s10509-020-3740-8.

 new1Manju  et al. (2020), New outlook on lunar near surface plasma environment from Chandrayaan-2 lunar lander platform: RAMBHA_LP payload perspective, Current Science, 118(3), 383\

 new1Mridula et al. (2020),On the variability of the Equatorial Ionization Anomaly Trough over Indian region: A novel analysis using Beacon TEC measurements, Advances in Space Research, /doi.org/10.1016/j.asr.2020.04.040.

 new1Shreedevi  et al. (2020), Geomagnetic storm induced plasma density enhancements in the southern polar ionospheric region: a comparative study using St. Patrick’s day storms of 2013 and 2015, 2020, Space Weather,18, https://doi.org/10.1029/2019SW002383.

 new1Sivakandan  et al. (2020), Mid-latitude spread-F structures over the geomagnetic low-mid latitude transition region: An observational evidence. Journal of Geophysical Research: Space Physics, 124, e2019JA027531. https://doi.org/10.1029/2019JA027531.

 new1Das  et al. (2020), CHandra’s Atmospheric Composition Explorer-2 onboard Chandrayaan-2 to study the lunar neutral exosphere current science, vol. 118, NO. 2

 new1Yadav  et al. (2020),Reverse fountain and the nighttime enhancement in the ionospheric electron density over the equatorial region: A case study. Journal of Geophysical Research: Space Physics, 124, e2019JA027286 https://doi.org/10.1029/2019JA027286.

 new1Yadav  et al. (2020),Multievent analysis of oscillatory motion of medium-scale traveling ionospheric disturbances observed by a 630-nm airglow imager over Tromsø, 2020, Journal of Geophysical Research: Space Physics, 125, e2019JA027598. https://doi.org/ 10.1029/2019JA027598

 new1Koushik et al. (2020). Meteor radar observations of lunar semidiurnal oscillations in the mesosphere lower thermosphere over low and equatorial latitudes and their variability during sudden stratospheric warming events. Journal of Geophysical Research: Space Physics, 125, e2019JA027736. https://doi.org/ 10.1029/2019JA027736

new1Pramitha et al. (2020), Gravity Wave Source Spectra Appropriation for Mesosphere Lower Thermosphere using Meteor Radar Observations and GROGRAT Model Simulations. Geophysical Research Letters, e2020GL089390.https://doi.org/10.1029/2020GL089390

new1Muhsin et al. 2020, Contrasting features of tropospheric turbulence over the Indian peninsula. Journal of Atmospheric and Solar-Terrestrial Physics, 197, 105179.https://doi.org/10.1016/j.jastp.2019.105179

new1Kumar et al. 2020, Assessment of INSAT-3D Retrieved Temperature and Water Vapour With Collocated Radiosonde Measurements Over Indian Region. IEEE Transactions on Geoscience and Remote Sensing, 58(6), 4000-4005.https://doi.org/10.1109/TGRS.2019.2960277

new1Jose et al. 2020, Response of the Equatorial Ionosphere to the Annular Solar Eclipse of 15 January 2010. Journal of Geophysical Research: Space Physics, 125(8), e2019JA027348. https://doi.org/10.1029/2019JA027348

new1Subrahmanyam and Kumar (2020), The vertical structure of latent heating and its association with cloud types during the Indian summer monsoon, REMOTE SENSING LETTERS, https://doi.org/10.1080/2150704X.2020.1820615, 2020  

new1Subrahmanyam and Baby (2020), C-band Doppler weather radar observations during the passage of tropical cyclone ‘Ockhi’, Natural Hazards,  https://doi.org/10.1007/s11069-020-04268-2

new1Kompalli et al. (2020), Particle number size distributions and new particle formation events over the northern Indian Ocean during continental outflow, Atmospheric Environment, 238,117719, https://doi.org/10.1016/j.atmosenv.2020.117719.

new1Das et al. (2020), Long-term observations of stratosphere-troposphere exchange using MST Radar and Aura MLS measurements over a tropical station Gadanki, Radio Science,  https://doi.org/10.1029/2019RS006969. 

new1Girach et al. (2020), "O3 and CO in the South Asian outflow over the Bay of Bengal: Impact of monsoonal dynamics and chemistry", Atmospheric Environment, 233, 117610, 2020. (http://dx.doi.org/10.1016/j.atmosenv.2020.117610)

new1Usha  et al. (2020), "Modeling of aerosol induced snow albedo feedbacks over the Himalayas and its implications on regional climate", Climate Dynamics, 2020. (http://dx.doi.org/10.1007/s00382-020-05222-5)

new1Uma et al. (2020), "Role of Intra-Seasonal Variability in the Indian Summer Monsoon on the Hydration and Dehydration of the Upper Troposphere", Theoretical and Applied Climatology, (https://doi.org/10.1007/s00704-020-03243-y)

new1Suneeth and Das (2020), Zonally resolved water vapour coupling with tropical tropopause temperature: Seasonal and interannual variability, and influence of the Walker circulation, Climate Dynamics, https://doi.org/10/1007/s00328-020-05255-w.

new1Boreddy et al., (2020), Impact of ice-free oases on particulate matter over the East Antarctic: Inferences from the carbonaceous, water-soluble species and trace metals", Polar Sciencehttp://dx.doi.org/10.1016/j.polar.2020.100520

new1Girach  et al., (2020), Tropospheric carbon monoxide over the northern Indian Ocean during winter: influence of inter-continental transport", Climate Dynamics, 2020. http://dx.doi.org/10.1007/s00382-020-05269-4

new1Ojha et al. (2020), On the widespread enhancement in fine particulate matter across the Indo-Gangetic Plain towards winter", Scientific Reports, 10:5862, http://dx.doi.org/10.1038/s41598-020-62710-8

new1Kompalli et al.  (2020), Seasonal contrast in size distributions and mixing state of black carbon and its association with PM1.0 chemical composition from the eastern coast of India, Atmos. Chem. Phys., 20, 3135–3149, https://doi.org/10.5194/acp-20-3135-2020.

new1Koushik et al.  (2020), Planetary waves in the mesosphere lower thermosphere during stratospheric sudden warming: observations using a network of meteor radars from high to equatorial latitudes. Climate Dynamics https://doi.org/10.1007/s00382-020-05214-5

new1Nair,et al., (2020),Cloud condensation nuclei properties of South Asian outflow over the northern Indian Ocean during winter, Atmos. Chem. Phys., 20, 3135–3149, https://doi.org/10.5194/acp-20-3135-2020

new1Das and Suneeth(2020), Seasonal and interannual variations of water vapor in the upper troposphere and lower stratosphere over the Asian Summer Monsoon region- in perspective of the tropopause and ocean-atmosphere interactions, Journal of Atmospheric and Solar-Terrestrial Physics, 10.1016/j.jastp.2020.105244, 2020
new1Muhsin et al., (2020),Contrasting features of tropospheric turbulence over the Indian peninsula,Journal of Atmospheric and Solar-Terrestrial Physics,197, https://doi.org/10.1016/j.jastp.2019.105179
new1Kumar and Sunilkumar, (2020),Assessment of INSAT-3D Retrieved Temperature and Water Vapour With Collocated Radiosonde Measurements Over Indian Region, IEEE Transactions on Geoscience and Remote Sensing.doi : 10.1109/TGRS.2019.2960277

new1Manju et al., (2020), Chandrayaan-2 Lander platform:RAMBHA-LP payload, Current Science, VOL. 118, NO. 3, 10.

new1Aswathy and Manju, (2020), Time of evening zonal drift reversal in F- region and its implications for post sunset ionosphere, Journal of Atmospheric and Solar–Terrestrial Physics, 200, 105210, https://doi.org/10.1016, 2020 /j.jastp.2020.105210

new1Manju et al., (2020), In-situ observations of rocket burn induced modulations of the top side ionosphere using the IDEA payload on-board the unique orbiting experimental platform (PS4) of the Indian Polar orbiting Satellite Launch Vehicle mission, Journal of Atmospheric and Solar–Terrestrial Physics 199, https://doi.org/10.1016/j.jastp.2020.105203

new1Mathewet al., (2020), Millimeter-Wave Radiometric Information Content Analysis for Venus Atmospheric Constituents, Radio Science, 55,e2019RS006913. https://doi.org/10.1029/2019RS006913

new1Koushik et al.,(2020), Westward Acceleration of Tropical Stratopause Zonal Winds during Major Sudden Stratospheric Warming Events, Geophysical Research Letters, https://doi.org/10.1029/2019GL086857

new1Muhsin, et al., (2020),“Contrasting features of tropospheric turbulence over the Indian peninsula”,Journal of Atmospheric and Solar-Terrestrial Physics,197,https://doi.org/10.1016/j.jastp.2019.105179

new1Davis et al., (2020),Effect of Clouds on the Diurnal Evolution of Atmospheric Boundary Layer Height over a Tropical Coastal Station", Boundary-Layer Meteorology, https://doi.org/10.1007/s10546-019-00497-6

new1Mishra et al.,(2020), "Characterization of GSAT-14 satellite Ka-band microwave signal attenuation due to precipitation over a Tropical Coastal station in the southern peninsular region of the Indian subcontinent", Radio Science, 55, e2019RS006910. https://doi.org/10.1029/2019RS006910

new1Aneesh and Sijikumar, (2020),Existence of ‘mini-break’ like condition during early Indian monsoon onset years, Climate Dynamics, http://dx.doi.org/10.1007/s00382-020-05121-9 2020

new1Nair et al.,(2020), Role of Cyclone “Ockhi” in the re-distribution of aerosols and its impact on the precipitation over the Arabian Sea, Atmospheric Research, 235, https://doi.org/10.1016/j.atmosres.2020.104797