1.     Lal S., L. K. Sahu and S. Venkataramani (2007), Impact of transport from the surrounding continental regions on the distributions of ozone and related trace gases over the Bay of Bengal during February 2003, J. Geophys. Res., Vol. 112, �D14302, doi:10.1029/2006JD008023

 

2.     Sundareshwar P. V., R. Murtugudde, G. Srinivasan, S. Singh, K. J. Ramesh, R. Ramesh, S. B. Verma, D. Agarwal, D. Baldocchi, C. K. Baru, K. K. Baruah, G. R. Chowdhury, V. K. Dadhwal, C. B. S. Dutt, J. Fuentes, P. K. Gupta, W. W. Hargrove, M. Howard, C. S. Jha, S. Lal, W. K. Michener, A. P. Mitra, J. T. Morris, R. R. Myneni, M. Naja, R. Nemani, R. Purvaja, S. Raha, S. K. Santhana Vanan, M. Sharma, A. Subramaniam, R. Sukumar, R. R. Twilley, P. R. Zimmerman (2007), Environmental Monitoring Network for India, Science Vol. 316. no. 5822, pp. 204 - 205, doi: 10.1126/Science.1137417

 

3.     Sahu, L. K., and S. Lal (2006), Distributions of C2-C5 NMHCs and related trace gases at a tropical urban site in India. Atmos. Env., Vol. 40, p.880-891

4.     Lal, S., Chand D., Sahu, L. K., Venkataramani, S., Brasseur, G., and M. Schultz (2006), High levels of ozone and related gases over the Bay of Bengal during winter and early spring of 2001. Atmos. Env., �Vol. 40, p.1633-1644

 

5.     Sahu, L. K., and S. Lal (2006), Characterization of C2-C5 NMHCs distributions at a high altitude altitude tropical site in India. J. Atmos. Chem. Vol. 54, p. 161-175, doi:10.1007/s10874-006-9023-0

 

6.     Sahu, L. K., and S. Lal (2006), Changes in surface ozone levels due to convective downdrafts over the Bay of Bengal, Geophys. Res. Lett., Vol. 33, L10807,� doi:10.1029/2006GL025994

 

7.     Tripathi, S. N., et al. (2006), Measurements of atmospheric parameters during Indian Space Research Organization Geosphere Biosphere Programme Land Campaign II at a typical location in the Ganga basin: 1. Physical and optical properties, J. Geophys. Res., Vol.111, D23209, doi:10.1029/2006JD007278.

 

8.     Sheel V., S. Lal and C. Bruehl (2005), Validation of a 2D model using observed profiles of SF6 �with main focus on the tropics, Atmos. Env., Vol. 39, p.1255-1261

 

9.     Tripathi, S.N., S. Dey, V. Tare, S.K. Satheesh, S. Lal and S. Venkataramani (2005), Enhanced layer of black carbon in a north Indian industrial city, Geophys. Res. Lett., Vol. 32, L12802, doi:10.1029/2005GL022564

 

10. Lal S., D. Chand, S. Venkataramani, K. S. Appu, M. Naja, and P. K. Patra (2004), Trends in methane and sulfur hexafluoride at a tropical coastal site, Thumba (8.6N,77E), in India, Atmos. Env. Vol. 38, p.1145-1151

 

11. Naja, M., D. Chand, L. Sahu and S. Lal (2004), Trace gases over the marine region around India, Ind, J. Marine Science, Vol.33, 95-106

 

12. Naja, M., Lal, S. and Chand, D. (2003), Diurnal and seasonal variabilities in surface ozone at a high altitude site Mt Abu (24.6N, 72.7E, 1680 m asl) in India. Atmos. Env. Vol.37, p.4205-4215.

13. Lal, S. (2003), Global warming- Kyoto Protocol. In 'Energy and food security : Advances in science for sustainable environment and development in India during the next decade', Editors: S. K. Malik and S. Varadarajan, Indian National Science Academy, New Delhi, India,� p57-73.

 

14. Chand D., Lal S., Naja M. (2003), Variations of ozone in the marine boundary layer over the Arabian Sea and the Indian Ocean during the 1998 and 1999 INDOEX campaigns. J. Geophys. Res., Vol. 108, p.doi:10.1029/2001JD001589.

 

15. Lal, S., Sheel, V. and Patra, P.K. (2003), Satellite techniques for trace gas measurements. Mausam, Vol. 54, p315-326.

 

16. Patra, P.K., Lal, S., Venkataramani, S. and Chand, D. (2003), Halogen Occultation Experiment (HALOE) and balloon-borne in situ measurements of methane in stratosphere and their relation to quasi-biennial oscillation (QBO). Atmos. Chem. Phys., Vol. 3, p1051-1062.

 

17. Nair, P.R., Chand, D., Lal, S., Modh, K.S., Naja, M., K. Parameswaran, M.K., Ravindran, S. and Venkataramani, S. (2002), Temporal variations in surface ozone at Thumba (8.6N,77E)- a tropical coastal site in India. Atmos. Env., Vol.36, p.603-610.

 

18. Naja, M. and Lal, S. (2002), �Surface ozone and precursor gases at Gadanki (13.5N, 79.2E), a tropical rural site in India. J. Geophys. Res. Vol. 107, p. 8-1 to 8-13.

 

19. Subbaraya, B.H., Lal, S. and Naja, M. (2001), Tropical tropospheric chemistry and climate change. Mausam, Vol. 52, p. 97-108.

 

20. Lelieveld, J. et al. (2001), The Indian Ocean Experiment: widespread air pollution from south and southeast Asia. Science, Vol. 291, p.1031-1036.

 

21. Chand, D., Modh, K.S., Naja, M., Venkataramani, S., and Lal, S. (2001), Latitudinal trends in O3, CO, CH4 and SF6 over the Indian Ocean during the IFP INDOEX-1999 ship cruise. Current Science, Vol. 80, p.101-105.

 

22. Lal, S., and Lawrence, M.G. (2001), Elevated mixing ratios of surface ozone over the Arabian Sea. Geophys Res. Letters, Vol. 28, p.1487-90.

 

23. Bange, H.W., Andreae, M.O., Lal, S., Law, C.S., Naqvi, S.W.A., Patra, P.K., Rixen, T. and Upstill-Goddard, R. C. (2001), Nitrous oxide emissions from the Arabian Sea: A synthesis, Atmos. Chem. and Phys. Vol.1, p.61-71.

 

24. Lal, S., Naja, M. and Subbaraya, B.H. (2001), Seasonal variations in surface ozone and its precursors over an urban site in India. Atmos. Env. , Vol. 34, p.2713-2724.

 

25. Lal, S., Acharya, Y.B., Chand, D., P. Rajaratnam, and Subbaraya, B.H. (2000), Changes in the vertical distribution of trace gases over Hyderabad. In 'Long term changes and trends in the atmosphere', �Ed. G. Beig, New Age international publisher, New Delhi, p.320-334.

 

26. Sheel, V. and Lal, S. (2000), Long term trends in sulfur hexafluoride. In 'Long term changes and trends in the atmosphere', Ed. G. Beig, New Age international publisher, New Delhi, p.351-366.

 

27. Patra, P.K., Lal, S., Sheel, V., Subbaraya, B.H., C. Bruehl, R. B. Borchers, and Fabian, P. (2000), Chlorine partitioning in the stratosphere based on insitu measurements. Tellus, Vol. 52B, p.934-946

 

28. Lal, S. and Sheel, V. (2000), A study of the atmospheric photochemical loss of N2O based on trace gas measurements. Chemosphere � Global Change Science, Vol. 2, p.455-463.

 

29. Patra, P.K., Lal, S., S Venkataramani, de Sousa, S.N., Sarma, V.V.S.S. and S. D. Sardesai (1999), Seasonal and spatial variability in N2O distribution in the Arabian Sea., Deep-Sea Research, Vol. 46, p.529-543.

 

30. Naja, M., Lal, S., Venkataramani, S., Modh. K.S. and Chand, D. (1999), Variabilities in O3, NO, CO and CH4 over the Indian Ocean during winter. Current Science, Vol. 76, p.931-937.

 

31. Patra, P.K., Lal, S., Venkataramani, S., de Sousa, S.N. and Sarma, V.V.S.S. (1998), Seasonal variability in distribution and fluxes of methane in the Arabian Sea. J. Geophys. Res., Vol. 103, p.1167-1176.

 

32. Lal, S. and Patra, P.K. (1998), Variability in the fluxes of nitrous oxide in the Arabian Sea. Global Biogeochemical Cycles, Vol. 12, p.321-327.

 

33. Lal, S., Naja, M. and Jayaraman, A. (1998), Ozone in the marine boundary layer over the tropical Indian Ocean. J. Geophys. Res., Vol. 103, p.18907-18917.

 

34. Subbaraya, B.H. and Lal, S. (1998), Tropospheric chemistry. Proc. Indian Nat. Sci. Academy Vol. 64, p.277-288.

 

35. Patra, P.K. and Lal, S. (1997), Variability of eddy diffusivity in the stratosphere deduced from vertical distributions of N2O and CFC-12. �J. of Atmos. and Terr. Phys., Vol. 59, p.1149-1157.

 

36. Patra, P.K., Lal, S., Subbaraya, B.H., C. H. Jackman, and P. Rajaratnam (1997), Observed vertical profile of sulphur hexafluoride (SF6) and its atmospheric applications. J. Geophys. Res. Vol. 102, p.8855-8859.

 

37. Naja, M. and Lal, S. (1997), Solar eclipse induced changes in surface ozone at Ahmedabad.� Indian Journal of Radio and Space Physics, Vol. 26, p.312-318.

 

38. Lal, S., Acharya, Y.B., Patra, P. K., Rajaratnam, P., Subbaraya, B.H., and Venkataramani, S. (1996), Balloonborne cryogenic air sampler experiment for atmospheric trace gas study. Indian Journal of Radio and Space Physics, Vol. 25, p.1.

 

39. Naja, M. and Lal, S. (1996), Changes in surface ozone amount and its diurnal and seasonal patterns from 1954-55 to 1991 �93 measured at Ahmedabad (23N), India, Geophys. Res. Letters, Vol. 23, p.81.

40. Fabian, P., Borchers, R., R. Leifer, Subbaraya, B.H., Lal, S., and Boy, M. (1996), Atmospheric distribution of halocarbons. Atmos. Env., Vol. 30, p.1787.

 

41. Lal, S. Patra, P.K., Venkataramani, S. and Sarin, M.M. (1996), Distribution of nitrous oxide and methane in the Arabian Sea. Current Science, Vol. 71, p.894-899.

 

42. Subbaraya, B.H., Lal, S., and Naja, M. (1995), Ozone and precursor gases in the Indian tropical region. Proc. WMO IGAC conference on the measurements and assessment of atmospheric��� composition change, p.167, Beijing, China.

 

43. Udayasoorian, C., Lal, S. and Annadurai, K. (1995), Methane emission and environment. In 'Agricultural Inputs and Environment', Ed. SP. Palaniappan, Scientific Publishers, Jodhpur, p.169.

 

44. Lal, S. and Subbaraya, B.H. (1993), Greenhouse gases in the earth's atmosphere. `Global Warming: Concern for Tomorrow', Ed. M. Lal, Publisher: Tata McGraw Hill, Delhi, India, p.37.

 

45. Lal, S., Borchers, R., Fabian, P., Patra, P.K. and Subbaraya, B.H. (1994), Vertical distribution of methyl bromide over Hyderabad, India. Tellus, Vol. 46B, p.373.

 

46. Lal, S., Subbaraya, B.H., Fabian, P. and Borchers, R. (1994), Vertical distribution of CH4 and N2O over the tropical site Hyderabad. Ozone in the Troposphere and Stratosphere, Ed. R. D. Hudson, NASA Conference Publication, 3266, p.823.

 

47. Singh, O.N., Borchers, R., Lal, S., Subbaraya, B.H., B. C. Kruger and Fabian, P. (1994), Vertical distribution of two important Halons-F-12B1 and F-13B1 in the tropics. Ozone in the Troposphere and Stratosphere, Ed. R. D. Hudson, NASA Conference Publication, 3266, p.827.

 

48. Subbaraya, B.H., Lal, S., Modh, K.S., and Naja, M. (1994), Monitoring of surface ozone at Ahmedabad. Proc. International Conference on Regional Environment and Climate Changes in East Asia, Taiwan, p.195.

 

49. Subbaraya, B.H., Lal, S., Venkataramani, S., Ishov, A.G. Perov, S. P. and McElroy, T.M. (1994), Variability in the total atmospheric ozone over Thumba measured with a Brewer��� spectrophotometer. J. Atmos. and Terr. Physics, Vol. 56, p.1557.

 

50. Subbaraya, B.H., Jayaraman, A., Lal, S., Venkataramani, S. (1994), �Variability in the vertical distribution of ozone measured over Thumba during the 1990 DYANA campaign.� J. Atmos. and Terr. Physics, Vol. 56, p.1915.

 

51. Parashar, D.C., Mitra, A.P., Lal, S. (1994), Methane budget for paddy fields in India, Current Science, �Vol. 66, p.938.

 

52. Lal, S., Venkataramani, S. and Subbaraya, B.H. (1993), Methane flux measurements from paddy fields in the tropical Indian region. Atmos. Env., Vol. 27A, p.1691.

 

53. Jayaraman, A., Lal, S., Subbaraya, B.H., Zalpuri, K.S. Seshadri, N., Sreedharan, C.R., Vijay Kumar, R., Ignatov, N.M., Kokin, G.A., Perov, S.P., Shtrikov, O.V., Tishin, S.V. and Chizhov, A.F. (1989), The Indo-Soviet collaborative experiment at Thumba to study diurnal variations in the ozone�� vertical distribution over the tropics Ozone in the Atmosphere, Proc. Quadrennial Ozone Symp., Eds. Bojkov, R. D. and Fabian, P., A. Deepak Publishing, Virginia, USA, p.113.

 

54. Lal, S., Subbaraya, B.H., Acharya, Y.B., Venkataramani, S. Borchers, R. and Fabian, P. (1989), Vertical distribution of ozone over Hyderabad using a balloonborne suntracking photometer. Ozone in the Atmosphere, Proc. Quadrennial Ozone Symp., Eds. Bojkov, R,D and Fabian, P., A. Deepak Publishing, Virginia, USA, p.136.

 

55. Borchers, R., Fabian, P., Singh, O.N., Lal, S. and Subbaraya, B.H. (1989), Vertical distribution of source gases at tropical latitudes. Ozone in the Atmosphere, Proc. Quadrennial Ozone Symp., Eds. Bojkov, R.D. and Fabian, P., A., �Deepak Publishing, Virginia, USA, p.290.

 

56. Fabian, P., Borchers, R., Duscha, H., Krueger, B.C., Lal, S. and Subbaraya, B.H. (1989), CHClF2 (CFC-22) : Distribution, budget and environment impact Ozone in the Atmosphere, Proc. Quadrennial Ozone Symp., Eds. Bojkov, R.D. and Fabian, P., A. Deepak Publishing, Virginia, USA, p.294.

 

57. Singh, O.N., Borchers, R., Fabian, P., Lal, S. and Subbaraya, B.H. (1989), Source gases from BrOx in the atmosphere. Ozone in the Atmosphere, Proc. Quadrennial Ozone Symp., Eds. Bojkov, R.D. and Fabian, P., A. Deepak Publishing, Virginia, USA, p.351.

 

58. Lal, S., Borchers, R. Fabian, P. and Krueger, B.C. (1989), The vertical distribution of CH4, N2O, CFC-12 and CFC-11 in the middle atmosphere at mid-latitudes. J. Atm. and Terr. Physics, Vol. 51, p.81.

 

59. Lal, S., Subbaraya, B.H., S. Venkataramani, Fabian, P. and Borchers, R. (1989), Minor constituents in the tropical atmosphere. Ind. J. of Radio and Space Phys., Vol. 18, p.171.

 

60. Lal, S., Subbaraya, B.H., Borchers, R. and Fabian, P. (1988), Surface measurements of trace gases in the tropical region near Hyderabad. Atmos. Env., Vol. 22, p.1501.

 

61. Singh, O.N., Borchers, R., Fabian, P., Lal, S. and Subbaraya, B.H. (1988), Measurements of atmospheric BrOx radicals in the tropical and mid-latitude atmosphere. Nature, Vol. 334, p.593.

 

62. Borchers, R., Fabian, P., Lal, S., Subbaraya, B.H., Acharya, Y.B. and Jayaraman, A. (1987), Vertical profiles of source gases at tropical latitudes. Adv. Space Res., Vol. 7, p.(9)133.

 

63. Fabian, P., Borchers, R., Krueger, B.C. and Lal, S. (1987), CF4 and C2F6 in the atmosphere. J. Geophys. Res., Vol. 92, p.9831.

 

64. Borchers, R., Fabian, P., Krueger, B.C., Lal, S., Schmidt, U., Knapska, D. and Penkett, S.A. (1987), CFC-113 (CCl2F-CClF2) in the stratosphere. Planet. Sp. Sci., Vol. 354, p.657.

 

65. Subbaraya, B.H., Jayaraman, A., Acharya, Y.B., Fabian, P, Borchers, R. and Lal, S. (1986), Vertical distribution of ozone over Hyderabad. Ind. J. of Radio and Space Phys., Vol. 15, p.67.

 

66. Fabian, P., Borchers, R., Krueger, B.C., Lal, S. and Penkett, S.A. (1985), Vertical distribution of CHClF2(CFC-22) in the stratosphere. Geophys. Res. Lett., Vol.12, p.1.

 

67. Lal, S., Borchers, R. and Fabian, P. (1985), Structures in the vertical profile of nitrous oxide measured over a mid latitude station. Proc. Quad. Ozone Symp. (Ed. Zerefos and Ghazi), p.134.

 

68. Subbaraya, B.H., Jayaraman, A. and Lal, S. (1985), Rocket measurements of the vertical structures of����� the ozone field in the tropics. Proc. Int. Quad. Ozone Symp. (Ed. Zerefos and Ghazi), p.295.

 

69. Fabian, P., Borchers, R., Goemer, D., Krueger, B.C., Lal, S. and Penkett, S.A. (1985), The vertical distribution of halocarbons in the stratosphere, Proc. Int. Quad. Ozone Symp. (Ed. Zerefos and Ghazi), p.129.

 

70. Lal, S., Borchers, R., Fabian, P. and Krueger, B.C. (1985), Increasing abundance of CBrClF2 in the atmosphere. Nature, Vol. 316, p.135.

 

71. Torker K.M., Beran, D., Friedrich, M. and Lal, S. (1985), Measurements of nitric oxide and related parameters in the equatorial mesosphere and lower thermosphere. Planet. Space Sci., Vol. 33, p.1169.

 

72. Fabian, P., Borchers, R., Krueger, B.C. and Lal, S. (1985), The vertical distribution of CFC-114 (CClF2-CClF2) in the atmosphere. J. Geophys. Res., Vol. 90, p.13091.

 

73. Schmidt, M., Borchers, R., Fabian, P., Matthews, W.A., Szabo, A. and Lal, S. (1984), Trace gas measurements during aircraft flights in the tropopause region over Europe and North Africa. J. Atmos. Chem., Vol. 2, p.133.

 

74. Lal, S. and Subbaraya, B.H. (1983), Solar eclipse induced variations in mesospheric ozone concentrations. Adv. Space Res., Vol. 2, p.205.

 

75. Subbaraya, B.H. and Lal, S. (1983), Daytime mesospheric temperatures over the low latitude station derived from rocketborne solar Lyman-alpha absorption measurements. J. Atmos. Terr. Phys., Vol. 45, p.41.

 

76. Subbaraya, B.H. and Lal, S. (1982), Rocket measurements of ozone concentrations during the solar eclipse of February 16, 1980. Proc. Indian Nat. Sci. Acad., Vol. 48A, p.115.

 

77. Subbaraya, B.H. and Lal, S. (1981), Rocket measurements of ozone concentrations in the stratosphere and mesosphere over Thumba. Proc. Indian Acad. Sci. (Earth and Planet. Sci.), Vol. 90, p.173.

 

78. Subbaraya, B.H. Lal, S. and Satya Prakash (1980), Low latitude mesospheric molecular oxygen profiles from Lyman-alpha absorption measurements from Thumba. Space Res., Vol. 20, p.75.

 

79. Subbaraya, B.H and Lal, S. (1980), The structure of the equatorial mesosphere at Thumba, Pure Appl. Geophys., Vol. 118, p.581.

 

80. Lal, S., Subbaraya, B.H and Narayanan, V. (1979), Equatorial stratospheric and mesospheric structural variations during the years 1971-74. Space Res., Vol. 19, p.147.