Browsing by Author "Lal, S."

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  • Effect of Lockdown on Pollutant Levels in the Delhi Megacity: Role of Local Emission Sources and Chemical Lifetimes 
    Mallik, C.; Gadhavi, H.; Lal, S.; Yadav, R.K.; Boopathy, R.; Das, T. (Frontiers in Environmental Science, 9, 2021: 743894)
    The COVID-19 pandemic resulted in changed emission regimes all over the world. India also imposed complete lockdown on all modes of travel and industrial activities for about 2 months from 25-March-2020 and later unlocked ...
  • Influence of regional emissions on SO2 concentrations over Bhubaneswar, a capital city in eastern India downwind of the Indian SO2 hotspots 
    Mallik, C.; Mahapatra, P.S.; Kumar, P.; Panda, S.; Boopathy, R.; Das, T.; Lal, S. (Atmospheric Environment, 209, 2019: 220-232)
    In a scenario when haze and smog events are wreaking havoc in many parts of the world; accurate information on ambient sulfur dioxide (SO2) sources is a required input to models for prediction and mitigation of air pollution. ...
  • Loss of crop yields in India due to surface ozone: an estimation based on a network of observations 
    Lal, S.; Venkataramani, S.; Naja, M.; Kuniyal, J.C.; Mandal, T.K.; Bhuyan, P.K.; Kumari, K.M.; Tripathi, S.N.; Sarkar, U.; Das, T.; Swamy, Y.; Gopal, K.R.; Gadhavi, H.; Kumar, M.K.S. (Environmental Science And Pollution Research, 24(26), 2017: 20972-20981)
    Surface ozone is mainly produced by photochemical reactions involving various anthropogenic pollutants, whose emissions are increasing rapidly in India due to fast-growing anthropogenic activities. This study estimates the ...
  • METHANE BUDGET FROM PADDY FIELDS IN INDIA 
    Parashar, D.C.; Mitra, A.P.; Gupta, P.K.; Rai, J.; Sharma, R.C.; Singh, N.; Kaul, S.; Lal, G.; Chaudhary, A.; Ray, H.S.; Das, S.N.; Parida, K.M.; Rao, S.B.; Kanungo, S.P.; Ramasami, T.; Nair, B.U.; Swamy, M.; Singh, G.; Gupta, S.K.; Singh, A.R.; Saikia, B.K.; Barua, A.K.S.; Pathak, M.G.; Iyer, C.S.P.; Gopalakrishnan, M.; Sane, P.V.; Singh, S.N.; Banerjee, R.; Sethunathan, N.; Adhya, T.K.; Rai, V.R.; Palit, P.; Saha, A.K.; Purkait, N.N.; Chaturvedi, G.S.; Sen, S.P.; Sen, M.; Sarkar, B.; Banik, A.; Subbaraya, B.H.; Lal, S.; Venkatramani, S.; Sinha, S.K. (Current Science, 66(12), 1994: 938-941)
    Earlier measurements(1) of methane emission from rice paddy fields yielded a low methane budget of around 3 Tg/yr for India, and was reported at IPCC forums(2). This low budget was based on limited data. An extensive ...
  • Methane budget from paddy fields in India 
    Parashar, D.C.; Mitra, A.P.; Gupta, P.K.; Rai, J.; Sharma, R.C.; Singh, N.; Koul, S.; Ray, H.S.; Das, S.N.; Parida, K.M.; Rao, S.B.; Kanungo, S.P.; Ramasami, T.; Nair, B.U.; Swamy, M.; Singh, G.; Gupta, S.K.; Singh, A.R.; Saikia, B.K.; Barua, A.K.S.; Pathak, M.G.; Iyer, C.S.P.; Gopalakrishnan, M.; Sane, P.V.; Singh, S.N.; Banerjee, R.; Sethunathan, N.; Adhya, T.K.; Rao, V.R.; Palit, P.; Saha, A.K.; Purkait, N.N.; Chaturvedi, G.S.; Sen, S.P.; Sen, M.; Sarkar, B.; Banik, A.; Subbaraya, B.H.; Lal, S.; Venkatramani, S.; Lal, G.; Chaudhary, A.; Sinha, S.K. (Chemosphere, 33(4), 1996: 737-757)
    Results of national methane campaign launched in 1991 to assess methane budget from Indian paddy fields are reported. The campaign involved a number of scientific institutions and universities with National Physical ...

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