Measurement report: Intra-annual variability of black carbon and brown carbon and their interrelation with meteorological conditions over Gangtok, Sikkim
DST Centre of excellence on Water Resources, Cryosphere and Climate Change Studies, Department of Geology, Sikkim University, Gangtok, Sikkim, 737102, India
Khushboo Sharma
DST Centre of excellence on Water Resources, Cryosphere and Climate Change Studies, Department of Geology, Sikkim University, Gangtok, Sikkim, 737102, India
Ankita Malu
Department of Geology, Sikkim University, Gangtok, Sikkim, 737102, India
Rajeev Rajak
Department of Geology, Sikkim University, Gangtok, Sikkim, 737102, India
DST Centre of excellence on Water Resources, Cryosphere and Climate Change Studies, Department of Geology, Sikkim University, Gangtok, Sikkim, 737102, India
Bidyutjyoti Baruah
DST Centre of excellence on Water Resources, Cryosphere and Climate Change Studies, Department of Geology, Sikkim University, Gangtok, Sikkim, 737102, India
Shailesh Yadav
DST Centre of excellence on Water Resources, Cryosphere and Climate Change Studies, Department of Geology, Sikkim University, Gangtok, Sikkim, 737102, India
Thupstan Angchuk
DST Centre of excellence on Water Resources, Cryosphere and Climate Change Studies, Department of Geology, Sikkim University, Gangtok, Sikkim, 737102, India
Jayant Sharma
DST Centre of excellence on Water Resources, Cryosphere and Climate Change Studies, Department of Geology, Sikkim University, Gangtok, Sikkim, 737102, India
DST Centre of excellence on Water Resources, Cryosphere and Climate Change Studies, Department of Geology, Sikkim University, Gangtok, Sikkim, 737102, India
Anil Kumar Misra
DST Centre of excellence on Water Resources, Cryosphere and Climate Change Studies, Department of Geology, Sikkim University, Gangtok, Sikkim, 737102, India
Nishchal Wanjari
DST Centre of excellence on Water Resources, Cryosphere and Climate Change Studies, Department of Geology, Sikkim University, Gangtok, Sikkim, 737102, India
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This work monitors and assesses air pollution, especially black and brown carbon, its controlling factor, and its effect on the environment of Sikkim Himalayan region. The huge urban sprawl in recent decades has led to regional human-induced air pollution in the region. Black carbon was highest in April 2021 and March 2022, exceeding the WHO limit. The monsoon season causes huge rainfall over the region, which reduces the pollutants by scavenging (rainout and washout).
This work monitors and assesses air pollution, especially black and brown carbon, its...
