PUBLICATIONS FROM THE NAM BRANCH

2023:

1. 1. Sachin Philip Kakkanattu, Sanjay Kumar Mehta, D. Bala Subrahamanyam, V. Rakesh and Amit P. Kesarkar, "Thermodynamic structure of the atmospheric boundary layer over a coastal station in India for contrasting sky conditions during different seasons", Atmospheric Research 293: 106915, https://doi.org/10.1016/j.atmosres.2023.106915, 2023.

   2. Anjumol Raju,  S. Sijikumar, Pramit Kumar Deb Burman, Vinu Valsala, Yogesh K. Tiwari, Sandipan Mukherjee, Priyanka Lohani, Kireet Kumar "Very high-resolution Net Ecosystem Exchange over India using Vegetation Photosynthesis and Respiration Model (VPRM) simulations", Ecological Modelling, 481, 110340, https://doi.org/10.1016/j.ecolmodel.2023.110340, 2023.

   3. Sijikumar S., Anjumol Raju, Vinu Valsala, Yogesh Tiwari, Girach I.A., Chaithanya D. Jain, M. Venkat Ratnam, High-Resolution Bayesian Inversion of Carbon Dioxide Flux Over Peninsular India, Atmospheric Environment, 2023, 119868, ISSN 1352-2310, https://doi.org/10.1016/j.atmosenv.2023.119868.

2022:

1. 1. Anjumol Raju, S. Sijikumar, Vinu Valsala, Yogesh K. Tiwari, Santanu Halder, I. A. Girach, Chaithanya D. Jain & M. Venkat Ratnam, “Regional estimation of methane emissions over the peninsular India using atmospheric inverse modelling”, Environ Monit Assess, 194:647, 2022.

   2. Roshny S. and D. Bala Subrahamanyam, "Do the large-eddy simulations yield deeper atmospheric boundary layers in comparison to the RANS model simulations?", Journal of Atmospheric and Solar–Terrestrial Physics, 240, 105954, 2022
   3. Sijikumar, S. and S. Aneesh, “Role of deep convection in regulating the Indian summer monsoon dynamics: a regional scale modelling study”, Meteorology and Atmospheric Physics, 134:84, 2022.
   4. Uma, K N., Siddarth Shankar Das, Bukya Sama, "Evaluation of the relation between the convection and the upper tropospheric humidity: A perspective from Indian Geostationary satellite ‘Kalpana-1’ observations", Journal of Atmospheric and Solar–Terrestrial Physics, 232, 105866, 2022.
   5. Uma, K. N., Adimurthy, V. and Ramachandran, R., "The state-of-the-art model atmosphere from the surface to 110 km over the Indian tropical region for ISRO launching vehicle applications: Developed from in-situ and space-based measurements", Earth and Space Science, 9, e2022EA002483. 2022.
   6. Mridula, N., G. Manju, S. Sijikumar, Tarun Kumar Pant, "The geoeffectiveness of TIE-GCM simulations of ionospheric critical frequency foF2 at the equatorial station of Thiruvananthapuram in the Indian sector", Advances in Space Research, 69, 3386–3397, 2022

   7. Mridula N , G. Manju, S. Sijikumar, Tarun Kumar Pant, Raj Kumar Choudhary, 2022, "On the significant impact of the 17 March 2015 St. Patrick’s Day geomagnetic storm on the ionosphere over Indian region", Advances in Space Research, 70, 3674–3685, 2022.

2021:

1. 1. Freddy P. Paul and D. Bala Subrahamanyam, "Prediction of the Tropical Cyclone Trajectories over the Northern Indian Ocean using COSMO", Meteorology and Atmospheric Physics, 2021.

   2. Santanu Halder, Y K. Tiwari, Vinu Valsala, M. G. Sreeush, S. Sijikumar, Rajesh J, Shamil Maksyutov "Quantification of Enhancement in atmospheric CO2 background due to Indian biospheric fluxes and fossil fuel emissions", Journal of Geophysical Research (Atmosphere).

   3. Santanu Halder, Yogesh K. Tiwari, Vinu Valsala, S. Sijikumar, Rajesh Janardanan, Shamil Maksyutov "Benefits of satellite XCO2 and newly proposed atmospheric CO2 observation network over India in constraining regional CO2 fluxes", Science of The Total Environment.

   4. Uma, K. N., S. S. Das, M. V. Ratnam and K. V. Suneeth, "Assessment of vertical air motion among reanalyses and qualitative comparison with direct VHF radar measurements over the two tropical stations", Atmospheric Chemistry and Physics, 21, 2083–2103, https://doi.org/10.5194/acp-21-2083-2021, 2021.  
      

   5. Valsala Vinu, Sreeush M. G, Anju M, Sreenivas P, Tiwari Y K, Chakraborty K, Sijikumar S, An observing system simulation experiment for Indian Ocean surface pCO2 measurements, Progress in Oceanography.

 2020:

1. 1. Aneesh, S., Sijikumar, S. Existence of ‘mini-break’ like condition during early Indian monsoon onset years. Climate Dynamics (2020) doi:10.1007/s00382-020-05121-9
   2. Boreddy S. K. R., Hegde P., Aswini A. R., Girach I. A., Koushik N., Nalini K., "Impact of ice-free oases on particulate matter over the East Antarctic: Inferences from the carbonaceous, water-soluble species and trace metals", Polar Science, 2020. (http://dx.doi.org/10.1016/j.polar.2020.100520)
   3. Das, S. K., Tanaya Thatte, K. N. Uma, UV Murali Krishna, and Sanjoy Kumar Saha, 2021: Characteristics of temperature inversion from radiosonde  measurements in the Western Ghats region, Atmospheric Research, 250: 105391, doi:10.1016/j.atmosres.2020.105391.
   4. Das, S.S., K. V. Suneeth, M. V. Ratnam, K. N. Uma, M. D. Rao, and A. N. Babu (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.
   5. Roshny, S., D. Bala Subrahamanyam, T. J. Anruose and Radhika Ramachandran, "An Assessment of a Very Severe Cyclonic Storm in the Arabian Sea using the COSMO Model", SN Applied Sciences (In Press, 2020). (https://dx.doi.org/10.1007/s42452-020--3645-7)
   6. Subrahamanyam, D. B., S. Roshny, Freddy P. Paul, T. J. Anurose and Radhika Ramachandran, "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 Technology (In Press, 2020). (https://dx.doi.org/10.1007/s42665-020-00020-7).
   7. Uma, K. N., T. S. Mohan, Subrata Kumar Das (In Press, 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).

2019:

1. 1. Krishna, U. V. M., S. K. Das, K. N. Uma and G. Pandithurai (2019), “Retrieval of convective available potential energy from INSAT-3D measurements: comparison with radiosonde data and its spatial-temporal variations”, Atmospheric Measurement Techniques, 12, 777-790, DOI: 10.5194/amt-12-777-2019.
   2. Lavanya, S., N. V. P. Kirankumar, S. Aneesh, K. V. Subrahmanyam, and S. Sijikumar (In Press, 2019), “Seasonal variation of raindrop size distribution over a coastal station Thumba: A quantitative analysis”, Atmospheric Research, DOI: 10.1016/j.atmosres.2019.06.004.
   3. Nalini, K., S. Sijikumar, Vinu Valsala, Yogesh K. Tiwari, Radhika Ramachandran (2019), "Designing surface CO2 monitoring network to constrain the Indian land fluxes", Atmospheric Environment, 218, 117003.
   4. Subrahamanyam, D. B., Radhika Ramachandran, K. Nalini, Freddy P. Paul and S. Roshny (2019), “Performance Evaluation of COSMO Numerical Weather Prediction Model in Prediction of OCKHI - One of the Rarest Very Severe Cyclonic Storms: A Case Study”, Natural Hazards, 96, 431-459, DOI: 10.1007/s11069-018-3550-2.
   5. S. Lavanya, N.V.P. Kirankumar, S. Aneesh, K.V. Subrahmanyam, S. Sijikumar, "Seasonal variation of raindrop size distribution over a coastal station Thumba: A quantitative analysis", Atmospheric Research, ISSN 0169-8095, https://doi.org/10.1016/j.atmosres.2019.06.004.

2018:

1. 1. Anurose, T. J., Subrahamanyam, D. B. & Sunilkumar, S. V. (2018) Two years observations on the diurnal evolution of coastal atmospheric boundary layer features over Thiruvananthapuram (8.5° N, 76.9° E), India, Theoritical & Applied Climatology, 131: 77. https://doi.org/10.1007/s00704-016-1955-y.
   2. Gupta A. K., K. Rajeev, S. Sijikumar, Anish Kumar M. Nair (2018) Enhanced daytime occurrence of clouds in the tropical upper troposphere over land and ocean Atmospheric Research 201: 133– 143.
   3. Kavitha M., Prabha R. Nair, I. A. Girach, S. Aneesh, S. Sijikumar, R. Renju (2018) Diurnal and seasonal variations in surface methane at a tropical coastal station: Role of mesoscale meteorology Science of the Total Environment 631–632: 1472–1485.
   4. Nalini, K., K. N. Uma, S. Sijikuamr, Yogesh K. Tiwari & Radhika Ramachandran (2018): Satellite- and ground-based measurements of CO2 over the Indian region: its seasonal dependencies, spatial variability, and model estimates, International Journal of Remote Sensing, 39(22): 7881 - 7900. DOI: 10.1080/01431161.2018.1479787
   5. Roshny S., D. Bala Subrahamanyam, T. J. Anurose and Radhika Ramachandran (2018): Impact analysis of dynamical downscaling on the treatment of convection in a regional NWP model - COSMO: a case study during the passage of a very severe cyclonic storm "OCKHI", Natural Hazards and Earth System Science Discussions, DOI: 10.5194/nhess-2018-288

2017:

1. 1. Aneesh S. and S. Sijikumar (2017) Changes in the La Nina teleconnection to the Indian summer monsoon during recent period Journal of Atmospheric and Solar-Terrestrial Physics, DOI:10.1016/j.jastp.2017.11.009.
   2. Das, S. K., R. B. Golhait and K. N. Uma (2017) Clouds vertical properties over the Northern Hemisphere monsoon regions from CloudSat-CALIPSO measurements, Atmospheric Research, 183: 73-83.
   3. Gupta A. K., K. Rajeev, S. Sijikumar (2017) Day-night changes in the altitude distribution, physical properties and radiative impact of low-altitude clouds over the stratocumulus-dominated subtropical oceans. Journal of Atmospheric and Solar-Terrestrial Physics, 161: 118–126. DOI: 10.1016/j.jastp.2017.06.021
   4. Uma, K. N. and S. K. Das (2017) Do the stability indices indicate the formation of deep convection, Meteorology and Atmospheric Physics, DOI 10.1007/s00703-017-0550-9.

2016:

1. 1. Aneesh S., S. Sijikumar (2016) Changes in the south Asian monsoon low level jet during recent decades and its role in the monsoon water cycle, Journal of Atmospheric and Solar-Terrestrial Physics, 47-53, DOI:10.1016/j.jastp.2015.12.009.
   2. Das, S. S., M. V. Ratnam, K. N. Uma, K. V. Subrahmanyam, I. A. Girach, A. K. Patra, S. Aneesh, K. V. Suneeth, K. K. Kumar, A. P. Kesarkar, S. Sijikumar and G. Ramkumar (2016) Influence of Tropical Cyclones on Tropospheric Ozone: Possible Implications, Atmospheric Chemistry and Physics, 16: 1-11.
   3. Das S. S., M. V. Ratnam, K. N. Uma, A. K. Patra, K. V. Subrahmanyam, G. A. Imran, K. K. Kumar, K.V. Suneeth and G. Ramkumar (2016) Stratosphere-troposphere exchange during the tropical cyclone NILAM, Quarterly Journal of Royal Meteorological Society, 142: 2168-2179. DOI:10.1002/qj.2810.
   4. Jyoti Bhate, Amit P. Kesarkar, Anandakumar Karipot, D. Bala Subrahamanyam, M. Rajasekhar, V. Sathiyamoorthy, C.M. Kishtawal (2016) A sea breeze induced thunderstorm over an inland station over Indian South Peninsula – A case study, Journal of Atmospheric and Solar-Terrestrial Physics, 148: 96-111, DOI: 10.1016/j.jastp.2016.09.002
   5. Sijikumar S., S. Aneesh, and K. Rajeev (2016) Multi-year model simulations of mineral dust distribution and transport over the Indian subcontinent during summer monsoon seasons, Meteorology and Atmospheric Physics, 128: 453-464.
   6. Sunilkumar S. V., M. Muhsin, M. Emmanuel, G. Ramkumar, K. Rajeev, S. Sijikumar (2016) Balloon- borne cryogenic frost point hygrometer observations of water vapour in the tropical upper troposphere and lower stratosphere over India: First results, Journal of Atmospheric and Solar Terrestrial Physics, 140: 86–93.
   7. Uma, K. N., and S. S. Das (2016) Quantitative and Qualitative Assessment of Diurnal Variability in the Tropospheric Humidity using SAPHIR on-board Megha-Tropiques, Journal of Atmospheric and Solar-Terrestrial Physics, 146: 89-100.

2015:

1. 1. Anurose, T. J. and D. Bala Subrahamanyam (2015) Evaluation of ABL parametrization schemes in the COSMO, a regional non-hydrostatic atmospheric model over an inhomogeneous environment, Modeling Earth Systems and Environment 1(4): 1 - 13.
   2. Das S. S., K. N. Uma, V. N. Bineesha, K. V. Suneeth and G. Ramkumar (2015) Four decadal climatological intercomparison of Rocketsonde and Radiosonde with different reanalysis data: Results from Thumba Equatorial Station, Quarterly Journal of Royal Meteorological Society, 142: 91-101. DOI:10.1002/qj.2632.
   3. Muraleedharan, P. M., S. Prasanna Kumar, K. Mohan Kumar, S. Sijikumar, K. U. Sivakumar, Teesha Mathew (2015) Observational evidence of Mixed Rossby Gravity waves at the central equatorial Indian Ocean, Meteorology and Atmospheric Physics, DOI:10.1007/s00703-015-0376-2
   4. Subrahamanyam, D. B., Ismail Gultepe, Sultan Al-Yahyai and A. N. V. Satyanarayana (2015) Atmospheric Boundary Layer Processes and Atmospheric Modeling, Advances in Meteorology, Volume 2015, Article ID 985353, 2 pages. DOI: 10.1155/2015/985353.

Selected Publications related with the "Atmospheric Modelling" (Prior to 2014):

1. 1. Anurose T. J. and D. Bala Subrahamanyam, "Assessment of a surface-layer parameterization scheme in an atmospheric model for varying meteorological conditions", Annales Geophysicae, 32, 669 - 675, 2014.(http://dx.doi.org/10.4194/angeocom-32-669-2014).00062.1)
   2. Anurose, T. J. and D. Bala Subrahamanyam, "Improvements in sensible heat flux parametrization in the High-resolution Regional Model (HRM) through the modified treatment of the roughness length for heat", Boundary-layer Meteorology, 147(3), 569-578, 2013. (http://dx.doi.org/10.1007/s10546-013-9799-9)
   3. Sijikumar, S., Liji John and K. Manjusha, "Sensitivity study on the role of Western Ghats in simulating the Asian summer monsoon characteristics", Meteorology and Atmospheric Physics, 120, 53-60, 2013. (http://dx.doi.org/10.1007/s00703-013-0238-8)
   4. Sijikumar, S. and K. Rajeev, "Role of Arabian Sea Warm Pool on the Precipitation Characteristics during the Monsoon Onset Period", Journal of Climate, 25, 1890-1899, 2012. (http://dx.doi.org/10.1175/JCLI-D-11-00286.1)
   5. Subrahamanyam, D. B and Radhika Ramachandran, "Application of Mesoscale Atmospheric Models in Short-Range Weather during Satellite Launch Campaigns in India", Chapter in Book "Atmospheric Model Applications", Intech Books, 2012.
   6. Subrahamanyam, D. B., Radhika Ramachandran, S. Indira Rani, S. Sijikumar, T. J. Anurose and Asish Kumar Ghosh, "Location-specific weather prediction for Sriharikota (13.72 N, 80.22 E) through numerical atmospheric models during satellite launch campaigns", Natural Hazards, 61(3), 893-910, 2012. (http://dx.doi.org/10.1007/s11069-011-9942-1)
   7. Das, S. S., S. Sijikumar, and K. N. Uma, "Further investigation on stratospheric air intrusion into the troposphere during the episode of tropical cyclone: Numerical simulation and MST radar observations", Atmospheric Research, 101, 928-937, 2011. (http://dx.doi.org/10.1016/j.atmosres.2011.05.023)
   8. Vigaud, N., P. Roucou, B. Fontaine, S. Sijikumar and S. Tyteca, "WRF/ARPEGE-CLIMAT simulated climate trends over West Africa", Climate Dynamics, 36, 925-944, 2011. (http://dx.doi.org/10.1007/s00382-009-0707-4)
   9. Rani, S. I., Radhika Ramachandran, D. Bala Subrahamanyam, Denny P. Alappattu and P. K. Kunhikrishnan, "Characterization of sea/land breeze circulation along the west coast of Indian subcontinent during pre-monsoon season", Atmospheric Research, 95, 367-378, 2010. (http://dx.doi.org/10.1016/j.atmosres.2009.10.009)
   10. Subrahamanyam, D.B., Radhika Ramachandran, T. J. Anurose and Mannil Mohan, "Short-to-Medium Range Weather Forecasting for Satellite Launches: Utilization of NWP Models in conjunction with the Earth Observing System", Bulletin of National Natural Resources Management System NNRMS(B), 35, 37-49, 2010.
   11. Xavier, P.K., Viju O. John, S. A. Buehler, R. S. Ajaymohan and S. Sijikumar, "Variability of Indian summer monsoon in a new upper tropospheric humidity data set", Geophysical Research Letters, 37, L05705, 2010. (http://dx.doi.org/10.1029/2009GL041861)
   12. Kumar, R. R., B. Prasad Kumar, A. N. V. Satyanarayana, D. Bala Subrahamanyam, A. D. Rao and S. K. Dube, "Effect of varied atmospheric stability on sea surface drag in shallows seas and its impact on wind-wave growth", Natural Hazards, 49, 213-224, 2009. (http://dx.doi.org/10.1007/s11069-008-9279-6)
   13. Kumar R. R., B. Prasad Kumar, A. N. V. Satyanarayana, D. Bala Subrahamanyam, A. D. Rao and S. K. Dube, "Parameterization of sea surface drag under varying sea state and its dependence on wave age", Natural Hazards, 49, 187-197, 2009. (http://dx.doi.org/10.1007/s11069-008-9309-4)
   14. Kumar R. R., B. Prasad Kumar and D. Bala Subrahamanyam, "Parameterization of Rain induced Surface Roughness and Its Validation Study Using a Third Generation Wave Model", Ocean Science Journal, 44(3), 125-143, 2009. (http://dx.doi.org/10.1007/s12601-009-0012-5)
   15. Kumar R. R., Aseem Raturi, B. Prasad Kumar, Ashoke Bhar, D. Bala Subrahamanyam and Felix Jose, "Parameterization of wave attenuation in muddy beds and implications on coastal structure", Coastal Engineering Journal, 50(3), 309-324, 2008. (http://dx.doi.org/10.1142/S0578563408001843)
   16. Subrahamanyam, D. B., S. Indira Rani, Radhika Ramachandran and P. K. Kunhikrishnan, "Nudging of Vertical Profiles of Meteorological Parameters in One-Dimensional Atmospheric Model: A Step towards Improvements in Numerical Simulations", Ocean Science Journal, 43(4), 165-173, 2008. (http://dx.doi.org/10.1007/BF03029921)
   17. Ramachandran, R., U. C. Mohanty, Sujata Pattanayak, M. Mandal and S. Indira Rani, "Location specific forecast at Sriharikota during the launch of GSLV-F01", Current Science, 91(3), 285 - 295, 2006.
   18. Kunhikrishnan, P. K., Radhika Ramachandran, Denny P. Alappattu, N. V. P. Kiran Kumar and D. Bala Subrahamanyam, "A case study of sea breeze circulation at Thumba Coast through Observations and Modelling", Remote Sensing of Atmospheres, Oceans and Interactions (Proceedings of SPIE), 6404, 2006. (http://dx.doi.org/10.1117/12.694125)
   19. Subrahamanyam, D. B., Radhika Ramachandran and P. K. Kunhikrishnan, "Improvements in Simulations of Atmospheric Boundary Layer Parameters through Data Assimilation in ARPS Mesoscale Atmospheric Model", Remote Sensing of Atmospheres, Oceans and Interactions (Proceedings of SPIE), 6404, 2006. (http://dx.doi.org/10.1117/12.694106)