Abstract

Black carbon measurements at Maitri, Antarctica during XXXVIII Antarctica expedition and found 82 ng m−3 and Patagonia is a definitive BC origin in addition to the day-to-day station related activities.

Highlights

  • Over the past two decades, researchers have devoted great attention to black carbon (BC) with the ability to absorb solar radiation effectively due to its unique surface area having capabilities of large-scale global warming, secondary to carbon dioxide.1–4 It is a carbonaceous material obtained from the incomplete combustion of biomass and fossil fuels via natural and anthropogenic activities and is an excellent marker for air quality and pollution level.4 the BC emissions can occur alongside noxious gases such as carbon monoxide (CO), Antarctica is a no-man's land with pristine environment, entirely encompassed by snow and ice

  • The BC emissions can occur alongside noxious gases such as carbon monoxide (CO), National Centre for Polar and Ocean Research, Ministry of Earth Sciences, Vasco Da Gama, Goa-403804, India

  • Black carbon (BC) measurements were conducted at the second Indian Polar research base, Maitri (70 450 56.5700S and 11 440 06.2100E), a part of Schirmacher Hills in East Antarctica with an elevation of 130 m, and 5 km away from the Russian station, Novolazarevskaya (Fig. 1)

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Summary

Introduction

Antarctica is a no-man's land with pristine environment, entirely encompassed by snow and ice. The treaty and its corresponding annexure set the guidelines for international responsibilities to save and maintain the mint condition of Antarctica. Bulk producers steering from long range transportation of BC to Antarctica are surrounding continents of South America, Africa and Australia.. Short and long-term climate variations could affect the local transport of BC from the biomass burning on Antarctica, within the southern hemisphere. A scienti c program was designed to study the environmental impact assessment through BC emissions and their sources at the Maitri station during the austral summer period of December 2018 to February 2019 to assess the BC variations and long-range transport predictions via the HYSPLIT trajectory analysis (backward/forward) under the in uence of meteorological properties.

Sampling site and meteorology
Monitoring of BC aerosols
Results and discussion
Trajectory analysis
Conclusion
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