Publications from the ACTG Branch

  • 2019
    1. Kavitha M. and P. R. Nair, "Satellite-retrieved vertical profiles of methane over the Indian region: impact of synoptic scale meteorology", International Journal of Remote Sensing, 2019. (http://dx.doi.org/10.1080/01431161.2019.1580791)
    2. Koushik N., K. K. Kumar, K. V. Subrahmanyam, G. Ramkumar, I. A. Girach, M. Santosh, K. Nalini, M. Nazeer, P. R. Shreedevi, "Characterization of inertia gravity waves and associated dynamics in the lower stratosphere over the Indian Antarctic station, Bharati (69.4 S, 76.2 E) during austral summers", Climate Dynamics, 2019. (http://dx.doi.org/10.1007/s00382-019-04665-9)
  • 2018
    1. Aryasree S. and Prabha R. Nair, "Season-dependent size distribution of aerosols over the tropical coastal environment of south-west India", Journal of Atmospheric and Solar-Terrestrial Physics, 167, 219–232, 2018. (http://dx.doi.org/10.1016/j.jastp.2017.12.012)
    2. Aswini A. R., P. Hegde and Prabha R. Nair, "Carbonaceous and inorganic aerosols over a sub-urban site in peninsular India: Temporal variability and source characteristics", Atmospheric Research, 199, 40-53, 2018. (http://dx.doi.org/10.1016/j.atmosres.2017.09.005)
    3. Aswini A. R., P. Hegde, P. R. Nair and S. Aryasree, "Seasonal trends in carbonaceous aerosols over a tropical coastal location in response to meteorological processes", Science of the Total Environment, 656, 1261–1279, 2018. (http://dx.doi.org/10.1016/j.scitotenv.2018.11.366)
    4. Girach I. A., N. Ojha, Prabha R. Nair, Y. K. Tiwari and K. Ravi Kumar, "Variations of trace gases over the Bay of Bengal during the summer monsoon", Journal of Earth System Science, 127, 15, 2018. (http://dx.doi.org/10.1007/s12040-017-0915-y)
    5. Gogoi M. M., Babu S. S., Pandey S. K., Nair V. S., Vaishya A., Girach I. A. and Koushik N., "Scavenging Ratio of Black Carbon in the Arctic and the Antarctic", Polar Science, 2018. (http://dx.doi.org/10.1016/j.polar.2018.03.002)
    6. Kavitha M., Nair P. R., Girach I. A., Aneesh S., Sijikumar S. and Renju R., "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, 2018. (http://dx.doi.org/10.1016/j.scitotenv.2018.03.123)
    7. Nair P. R., Revathy S. A., David L. M., Girach, I. A. and Kavitha M., "Decadal changes in surface ozone at the tropical station Thiruvananthapuram (8.542 N, 76.858 E), India: effects of anthropogenic activities and meteorological variability", Environmental Science and Pollution Research, 2018. (http://dx.doi.org/10.1007/s11356-018-1695-x)
  • 2017
    1. Girach I. A., N. Ojha, P. R. Nair, A. Pozzer, Y. K. Tiwari, R. K. Kumar and J. Lelieveld, "Variations in O3, CO, and CH4 over the Bay of Bengal during the summer monsoon season: shipborne measurements and model simulations", Atmospheric Chemistry and Physics, 17, 257-275, 2017. (http://dx.doi.org/10.5194/acp-2016-595)
    2. Hegde P. and K. Kawamura, "Chemical constituents of carbon and nitrogen aerosols over Thumba region", Archives of Environmental Contamination and Toxicology, P1-22, 2017. (http://dx.doi.org/10.1007/s00244-017-0426-5)
    3. Kavitha M. and P. R. Nair, "SCIAMACHY observed changes in the column mixing ratio of methane over the Indian region and a comparison with global scenario", Atmospheric Environment, 2017. (http://dx.doi.org/10.1016/j.atmosenv.2017.07.044)
    4. Phanikumar D. V., K. Niranjan Kumar, S. Bhattacharjee, M. Naja, I. A. Girach, Prabha R. Nair, and Shweta Kumari, "Unusual enhancement in tropospheric and surface ozone due to orography induced gravity waves", Remote Sensing of Environment, 199, 256–264, 2017. (http://dx.doi.org/10.1016/j.rse.2017.07.011)
  • 2016
    1. Bindu G., P. R. Nair, S. Aryasree and S. Jacob, "Pattern of aerosol mass loading and chemical composition over the atmospheric environment of an urban coastal station", Journal of Atmospheric and Solar-Terrestrial Physics, 138-139, 121–135, 2016. (http://dx.doi.org/10.1016/ j.jastp.2016.01.004)
    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, "Influence of tropical cyclones on tropospheric ozone: possible implication", Atmospheric Chemistry and Physics, 16, 4837–4847, 2016. (http://dx.doi.org/10.5194/acp-16-4837-2016)
    3. Das S. S., M. V. Ratnam, K. N. Uma, A. K. Patra, K. V. Subrahmanyam, I. A. Girach, K.V. Suneeth, K. K. Kumar and G. Ramkumar, "Stratospheric intrusion into the troposphere during the tropical cyclone Nilam (2012)", Quarterly Journal of Royal Meteorological Society, 2016. (http://dx.doi.org/10.1002/qj.2810)
    4. Kavitha M. and P. R. Nair, "Region-dependent seasonal pattern of methane over Indian region as observed by SCIAMACHY", Atmospheric Environment, 131, 316-325, 2016. (http://dx.doi.org/10.1016/j.atmosenv.2016.02.008)
    5. Kavitha M. and P. R. Nair, "Non-homogeneous vertical distribution of methane over Indian region using surface, aircraft and satellite based data", Atmospheric Environment, 141, 174-185, 2016. (http://dx.doi.org/10.1016/j.atmosenv.2016.06.068)
  • 2015
    1. Aryasree S., P. R. Nair, I. A. Girach and S. Jacob, "Winter time chemical characteristics of aerosols over the Bay of Bengal: continental influence", Environmental Science and Pollution Research, 19, 14901-14918, 2015. (http://dx.doi.org/10.1007/s11356-015-4700-7)
    2. Aryasree S., P. R. Nair, I. A. Girach and S. Jacob, "In situ measured seasonal characteristics of near-surface aerosols over Bay of Bengal and MODIS-retrieved columnar properties: A multicampaign analysis", Journal Geophysical Research, 120, 2015. (http://dx.doi.org/10.1002/2015JD023418)
    3. Hegde P., K. Kawamura, H. Joshi and M. Naja, "Organic and inorganic components of aerosols over the central Himalayas: Winter and summer variations in stable carbon and nitrogen isotopic composition", Environmental science and pollution research, 1-25, 2015. (http://dx.doi.org/10.1007/s11356-015-5530-3)
    4. Hegde P., K. Kawamura, I. A. Girach and P. R. Nair, "Characterisation of water-soluble organic aerosols at a site on the southwest coast of India", Journal of Atmospheric Chemistry, 1-25, 2015. (http://dx.doi.org/10.1007/s10874-015-9322-4)
    5. S. K. Nair, T.V. Prabha, N. Purushothaman, S. Sijikumar, S. Muralidharan, N. V. P. Kirankumar, D. B. Subrahamanyam, T. J. Anurose, S. S.Prijith and K. V. S. Namboodiri, "Diurnal variations of the low-level jet over peninsular India during the onset of Asian summer monsoon", Theoretical and Applied Climatology, 120(1), 287-298, 2015.
  • 2014
    1. Girach, I. A. and P. R. Nair, "Carbon monoxide over Indian region as observed by MOPITT", Atmospheric Environment, 99, 599-609, 2014. (http://dx.doi.org/10.1016/j.atmosenv.2014.10.019)
    2. Girach, I. A. and P. R. Nair, "On the vertical distribution of Carbon monoxide over Bay of Bengal during winter: Role of water vapour and vertical updrafts", Journal of Atmospheric and Solar-Terrestrial Physics, 117, 31–47, 2014. (http://dx.doi.org/10.1016/j.jastp.2014.05.003)
    3. Girach, I. A., V. S. Nair, S. S. Babu and P. R. Nair, "Black Carbon and Carbon Monoxide over Bay of Bengal during W_ICARB: Source characteristics", Atmospheric Environment, 94, 508-517, 2014. (http://dx.doi.org/10.1016/j.atmosenv.2014.05.054)
    4. Nair, P. R., S. K. George, S. Aryasree and S. Jacob, "Chemical composition of aerosols over Bay of Bengal during pre-monsoon: Dominance of anthropogenic sources", Journal of Atmospheric and Solar-Terrestrial Physics, 109, 54-65, 2014. (http://dx.doi.org/10.1016/j.jastp.2014.01.004)
  • 2013
    1. David, L. M. and P. R. Nair, "Tropospheric column O3 and NO2 over the Indian region observed by Ozone Monitoring Instrument (OMI): Seasonal changes and long-term trends, Atmospheric Environment", Atmospheric Environment, 65, 25-39, 2013. (http://dx.doi.org/10.1016/j.atmosenv.2012.09.033)
    2. Nair, P. R., L. M. David, S. Aryasree and K. S. George, "Distribution of ozone in the marine boundary layer of Arabian Sea prior to monsoon: Prevailing airmass and effect of aerosols", Atmospheric Environment, 74, 18-28, 2013. (http://dx.doi.org/10.1016/j.atmosenv.2013.02.049)
  • 2012
    1. Girach, I. A., P. R. Nair, L. M. David, P. Hegde, M. K. Mishra, G. M. Kumar, S. Murali Das, N. Ojha and M. Naja, "The changes in near-surface ozone and precursors at two near-by tropical sites during annular solar eclipse of 15 January 2010", Journal Geophysical Research, 117(D01303), 2012. (http://dx.doi.org/10.1029/2011JD016521)
    2. Hegde, P. and K. Kawamura, "Seasonal variations of water-soluble organic carbon, dicarboxylic acids, ketoacids, and alpha dicarbonyls in the central Himalayan aerosols", Atmospheric Chemistry and Physics, 12, 6645-6665, 2012. (http://dx.doi.org/10.5194/acp-12-6645-2012)
  • 2011
    1. David, L. M., I. A. Girach and P. R. Nair, "Distribution of ozone and its precursors over Bay of Bengal during winter 2009: Role of meteorology", Annales Geophysicae, 29, 1613-1627, 2011. (http://dx.doi.org/10.5194/angeo-29-1613-2011)
    2. David, L. M. and P. R. Nair, "Diurnal and seasonal variability of surface ozone and NOx at a tropical coastal site: Association with mesoscale and synoptic meteorological conditions", Journal Geophysical Research, 116(D10303), 2011. (http://dx.doi.org/10.1029/2010JD015076)
    3. George, S. K., P. R. Nair, K. Parameswaran and S. Jacob, "Wintertime chemical composition of aerosols at a rural location in the Indo-Gangetic Plains", Journal of Atmospheric and Solar-Terrestrial Physics, 73, 1798-1809, 2011. (http://dx.doi.org/10.1016/j.jastp.2011.04.005)
    4. Kumar, R., M. Naja, S. K. Satheesh, N. Ojha, H. Joshi, T. Sarangi, P. Pant, U. C. Dumka, P. Hegde and S. Venkataramani, "Influences of the springtime northern Indian biomass burning over the central Himalayas", Journal Geophysical Research, 116(D19302), 2011. (http://dx.doi.org/10.1029/2010JD015509)
    5. Nair, P. R., L. M. David, I. A. Girach and K. S. George, "Ozone in the marine boundary layer of Bay of Bengal during post-winter period: Spatial pattern and role of meteorology", Atmospheric Environment, 45, 4671-4681, 2011. (http://dx.doi.org/10.1016/j.atmosenv.2011.05.040)
    6. Srivastava, A. K., P. Pant, P. Hegde, S. Singh, U. C. Dumka, M. Naja, N. Singh and Y. Bhavanikumar, "The influence of a south Asian dust stormon aerosol radiative forcing at a high-altitude station in central Himalayas, International Journal of Remote Sensing", International Journal of Remote Sensing, 2011. (http://dx.doi.org/10.1080/01431161.2010.531781)
    7. Srivastava, A. K., P. Pant, U. C. Dumka and P. Hegde, "Black Carbon Aerosol Characteristics and Its Radiative Impact over Nainital: A High-Altitude Station in the Central Himalayas", Journal of the Institute of Engineering, 8(3), 1-10, 2011. (http://dx.doi.org/10.3126/jie.v8i3.5926)
  • Publications ere 2011
    1. Girach, I. A. and P. R. Nair, "Spatial distribution of near-surface CO over bay of Bengal during winter: role of transport", Journal of Atmospheric and Solar-Terrestrial Physics, 72, 1241-1250, 2010. (http://dx.doi.org/10.1016/j.jastp.2010.07.025)
    2. Ram, K., M. M. Sarin and P. Hegde, "Long-term record of aerosol optical properties and chemical composition from a high-altitude site (Manora Peak) in Central Himalaya", Atmospheric Chemistry and Physics, 10, 11791-11803, 2010. (http://dx.doi.org/10.5194/acp-10-11791-2010)
    3. Hegde, P., P. Pant and Y. B. Kumar, "An integrated analysis of lidar observations in association with optical properties of aerosols from a high altitude location in central Himalayas", Atmospheric Science Letters, 10, 48-57, 2009. (http://dx.doi.org/10.1002/asl.209)
    4. Nair, P. R., K. S. George, K. Parameswaran, M. Aloysius, D. P. Alappattu, M. Mohan and P. K. Kunhikrishnan, "Short-term changes in the aerosol characteristics at Kharagpur (22 90 N, 87 90 E) during winter", Journal of Atmospheric and Solar-Terrestrial Physics, 71, 1771-1783, 2009. (http://dx.doi.org/10.1016/j.jastp.2009.06.010)
    5. Aloysius, M., M. Mohan, K. Parameswaran, S. K. George and P. R. Nair, "Aerosol Transport Over the Gangetic Basin During ISRO-GBP Land Campaign-II", Annales Geophysicae, 26, 431-440, 2008. (http://dx.doi.org/10.5194/angeo-26-431-2008)
    6. George, S. K. and P. R. Nair, "Aerosol mass loading over the marine environment of Arabian Sea during ICARB: Sea-salt and non-sea-salt components", Journal of Earth System Science, 117, 333-344, 2008. (http://dx.doi.org/10.1007/s12040-008-0036-8)
    7. George, S. K., P. R. Nair, K. Parameswaran, S. Jacob and A. Abraham, "Seasonal trends in chemical composition of aerosols at a tropical coastal site of India", Journal Geophysical Research, 113(D16209), 2008. (http://dx.doi.org/10.1029/2007JD009507)
    8. Nair, P. R., S. K. George, S. V. Sunilkumar, K. Parameswaran, S. Jacob and A. Abraham, "Chemical composition of aerosols over peninsular India during winter", Atmospheric Environment, 40, 2006. (http://dx.doi.org/10.1016/j.atmosenv.2006.02.031)
    9. Nair, P. R., K. Parameswaran, A. Abraham and S. Jacob, "Wind-dependence of sea-salt and non-sea-salt aerosols over the oceanic environment", Journal of Atmospheric and Solar-Terrestrial Physics, 67, 844-898, 2005. (http://dx.doi.org/10.1016/j-jastp.2005.02.008)
    10. Sunilkumar, S.V., P. R. Nair and K. Parameswaran, "Aerosol size distribution over the Arabian Sea during ARMEX-II", Mausam, 56, 321-326, 2005.
    11. Nair, P. R., K. Parameswaran, S. V. Sunilkumar, A. Abraham and S. Jacob, "Chemical composition of atmospheric aerosols over Indian ocean: Impact of continental advection", Advances in Space Research, 34, 828-832, 2004. (http://dx.doi.org/10.1016/j.asr.2003.08.061)
    12. Nair, P. R., K. Parameswaran, S. V. Sunilkumar and R. Rajan, "Continental influence on the spatial distribution of particulate loading over the Indian Ocean during winter season", Journal of Atmospheric and Solar-Terrestrial Physics, 66, 27-38, 2004. (http://dx.doi.org/10.1016/j.jastp.2003.06.002)
    13. Parameswaran, K., S. V. Sunilkumar, K. Rajeev, P. R. Nair and K. K. Moorthy, "Boundary layer aerosols at Trivandrum tropical coast", Advances in Space Research, 34, 838-844, 2004. (http://dx.doi.org/10.1016/j.asr.2003.08.059)
    14. Parameswaran, K., S. V. Sunilkumar, B. V. K. Murthy, K. Satheesan, Y. B. Kumar, M. Krishnaiah and P. R. Nair, "Lidar Observations of cirrus cloud near the tropical tropopause: Temporal variations and association with tropospheric turbulence", Atmospheric Research, 69, 29-49, 2003. (http://dx.doi.org/10.1016/j.atmosres.2003.08.02)
    15. Nair, P. R., D. Chand, S. Lal, K. S. Modh, M. Naja, K. Parameswaran, S. Ravindran and S., Venkataramani, "Temporal variations in surface ozone at Thumba (8.6 N, 77 E) - a tropical coastal site in India", Atmospheric Environment, 36, 603-610, 2002. (http://dx.doi.org/10.1016/S1352-2310(01)00527-1)
    16. Rajeev, K. and V. Ramanathan, "The Indian Ocean experiment: Aerosol forcing obtained from satellite data", Advances in Space Research, 29(11) , 1731-1740, 2002. (http://dx.doi.org/10.1016/s0273-1177(02)00086-8)
    17. Nair, P. R., R. Rajan, K. Parameswaran, A. Abraham and S. Jacob, "Chemical composition of aerosol particles over the Arabian sea and Indian Ocean regions during the INDOEX (FFP-98) cruise- preliminary results", Current Science, 80, 171-175, 2001.
    18. Parameswaran, K., P. R. Nair and R. Rajan, "Aerosol loading in the atmospheric boundary layer at Trivandrum coast and in the adjoining oceanic environments during the FFP and IFP of the INDOEX", Current Science, 80, 151-160, 2001.
    19. Parameswaran, K., P. R. Nair, K. K. Moorthy, B. V. K. Murthy, S. R. P. Nair, K. Revathy, K. Satheesan, P. B. Rao, Y. Bhavanikumar, K. Raghunath and M. Krishnaiah, "Lidar Observations of aerosol layers just below the tropopause level during IFP-INDOEX", Current Science, 80, 166-170, 2001.
    20. Parameswaran, K., P. R. Nair, R. Rajan and D. B. Subrahamanyam, "Spatial distribution of aerosol concentrations over the Arabian sea and the Indian Ocean during IFP of INDOEX", Current Science, 80, 161- 165, 2001.
    21. Murthy, B. V. K., S. R. P. Nayar, K. Revathy, K. Satheesan, K. Parameswaran, P. R. Nair, K. K. Moorthy, P. B. Rao, Y. Bhavanikumar, K. Raghunath and M. Krishniah, "Thin aerosol clouds at Tropopause level", Indian Journal of Radio & Space Physics, 29, 245-248, 2000.
    22. Rajeev, K., V. Ramanathan and J. Meywerk, "Regional aerosol distribution and its longrange transport over the Indian Ocean", Journal Geophysical Research, 105, 2029-2043, 2000.
    23. Parameswaran, K., P. R. Nair, R. Rajan and M. V. Ramana, "Aerosol loading in the coastal and marine environments in the Indian Ocean region during the winter season", Current Science, 76, 347-355, 1999.
    24. Nair, P. R. and K. K. Moorthy, "Effects of physical properties of atmospheric aerosols on path radiance", Atmospheric Research, 43, 139-155, 1997.
    25. Moorthy, K. K., P. R. Nair, B. V. K. Murthy and S. K. Satheesh, "Time evolution of the optical effects and aerosol characteristics of Mt. Pinatubo origin from ground based observation", Journal of Atmospheric and Solar-Terrestrial Physics, 58(10) , 1101-1116, 1996.
    26. Parameswaran, K. , "Effect of relative humidity on light scattering by polydisperse aerosols", Indian Journal of Radio & Space Physics, 25, 64-73, 1996.
    27. Nair, P. R. and K. K. Moorthy, "On the association between aerosol optical depths and surface meteorological conditions in a tropical coastal environment", Mausam, 46(4), 427-434, 1995.
    28. Moorthy, K. K., B. V. K. Murthy and P. R. Nair, "Sea-breeze front effects on boundary layer aerosols at a tropical coastal station", Journal of Applied Meteorology, 32, 1196-1205, 1993.
    29. Moorthy, K. K., P. R. Nair, B. S. N. Prasad, N. Muralikrishnan, H. B. Gayatri, B. N. Murthy, K. Niranjan, Y. R. Babu, G. V. Sataynarayana, V. V. Agashe,G. R. Aher, R. Singh and B. N. Srivastava, "Results from the MWR network of IMAP", Indian Journal of Radio & Space Physics, 22, 243-258, 1993.
    30. Moorthy, K. K., P.R. Nair and B. V. K. Murthy, "Size distribution of coastal aerosols: Effects of local sources and sinks", Journal of Applied Meteorology, 30, 844-852, 1991.
    31. Moorthy, K. K., P. R.Nair and B. V. K. Murthy, "Multiwavelength solar radiometer network and features of aerosol optical depth at Trivandrum", Indian Journal of Radio & Space Physics, 18, 194-201, 1989.
    32. Moorthy, K. K., P. R. Nair and B. V. K. Murthy, "A study of aerosol optical depth at a coastal station, Trivandrum", Indian Journal of Radio & Space Physics, 17, 16-22, 1988.