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- 저자 : Amit Kumar Chowdhury (검색결과 2 건)
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Did the countrywide lockdown act like a catalyst in turning a cyclone to a super‑cyclone AMPHAN?
Amit Kumar Chowdhury,Suvendu Manna,Paulami Ghosh,Surajit Mondal 대한공간정보학회 2022 Spatial Information Research Vol.30 No.6
Amid the COVID-19 pandemic and countrywide lockdown, the super-cyclone Amphan collided with the eastern coast of India, majorly affecting the Indian state of West Bengal. The lockdown restricted the industrial emissions of greenhouse gases known for increasing the average global temperature, however the sea-surface temperature (SST) profile over the Bay of Bengal indicated higher than average SST values in preceding 5 years. The unexpected increase in sea-surface temperature might have played a major role in formation cyclonic disturbances over the Bay of Bengal, which might have triggered the formation of super cyclone Amphan. The anomalous increase in average SST could be attributed to the sudden lowering of particulate matter concentration due to the lockdown, which resulted in the increase in levels of solar insolation on the sea-surface due to the absence of particulate matter load, which reflects/ absorbs the incoming solar radiation to the surface keeping the sea-surface temperature at lower levels.
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Chowdhury Manojit,Kushwah Ajay,Satpute Ajay N.,Singh Sanjay Kumar,Patil Amit Kumar 한국농업기계학회 2023 바이오시스템공학 Vol.48 No.4
Purpose The purpose of this study is to explore the utilization of nanomaterials in the agricultural engineering sector and to understand their potential to contribute to sustainable growth in agriculture. Methods This comprehensive review paper synthesizes existing research and examines the integration of nanomaterials in various aspects of agricultural engineering. It delves into how nanomaterials can enhance the efficiency and performance of agricultural machinery, prime movers, tire technology, lubrication systems, coolant formulations, irrigation methods, plant protection strategies, fertilizer application mechanisms, and food processing techniques. The study also considers potential health and safety risks associated with nanotechnology in agriculture. Results The results of this review paper highlight the extensive potential of nanomaterials in revolutionizing agricultural practices. Nanotechnology has the capacity to significantly improve agricultural processes, making them more efficient and sustainable. The integration of nanomaterials in various agricultural components and processes has shown promising outcomes. However, it also underscores the need for ongoing research to address potential health and safety risks. Conclusion Incorporation of nanomaterials in agriculture holds great promise for sustainable growth and efficiency. It offers innovative solutions to enhance various aspects of agricultural engineering. While nanomaterials have the potential to revolutionize agriculture, it is crucial to proceed with caution and conduct continued research to mitigate potential health and safety risks. As agriculture seeks more efficient and sustainable practices, the integration of nanomaterials remains a frontier that necessitates ongoing exploration and vigilance in its implementation.
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