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
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
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
5.
Sahu, L. K., and S. Lal (2006),
Characterization of C2-C5 NMHCs distributions at a high
altitude altitude tropical site in
6.
Sahu, L. K., and S. Lal (2006), Changes
in surface ozone levels due to convective downdrafts over the
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
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
18. Naja,
M. and Lal, S. (2002), �Surface
ozone and precursor gases at Gadanki (13.5N, 79.2E), a tropical rural site in
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
22. Lal,
S., and
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
24. Lal,
S., Naja, M. and Subbaraya, B.H. (2001),
Seasonal variations in surface ozone and its precursors over an urban site in
25. Lal,
S., Acharya, Y.B., Chand, D., P. Rajaratnam, and Subbaraya, B.H. (2000),
Changes in the vertical distribution of trace gases over
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,
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
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
32. Lal,
S. and Patra, P.K. (1998), Variability in the fluxes of nitrous oxide in the
33. Lal,
S., Naja, M. and Jayaraman, A. (1998), Ozone in the marine boundary layer over
the tropical
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),
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
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,
43. Udayasoorian,
C., Lal, S. and Annadurai, K. (1995), Methane emission and environment. In 'Agricultural
Inputs and Environment', Ed. SP. Palaniappan, Scientific Publishers,
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,
45. Lal,
S., Borchers, R., Fabian, P., Patra, P.K. and Subbaraya, B.H. (1994), Vertical
distribution of methyl bromide over
46. Lal,
S., Subbaraya, B.H., Fabian, P. and Borchers, R. (1994), Vertical distribution
of CH4 and N2O over the tropical site
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
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.
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
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.
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.,
60. Lal,
S., Subbaraya, B.H., Borchers, R. and Fabian, P. (1988), Surface measurements
of trace gases in the tropical region near
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
65. Subbaraya,
B.H., Jayaraman, A., Acharya, Y.B., Fabian, P, Borchers, R. and Lal, S. (1986),
Vertical distribution of ozone over
66. Fabian,
P., Borchers, R., Krueger, B.C., Lal, S. and
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
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
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
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.