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Rai Siddharth Shankar Rai Shivam Singh Nitin Kumar 《Environment, Development and Sustainability》2021,23(8):12006-12023
Environment, Development and Sustainability - COVID-19 has affected the global economy like no other crisis in the history of mankind. It forced worldwide lockdown and economic shutdown to the... 相似文献
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Bregje K. van Wesenbeeck Wiebe de Boer Siddharth Narayan Wouter R. L. van der Star Mindert B. de Vries 《Mitigation and Adaptation Strategies for Global Change》2017,22(7):1087-1094
Adaptation planning for flood risk forms a significant part of global climate change response. Engineering responses to higher water levels can be prohibitively costly. Several recent studies emphasize the potential role of ecosystems in flood protection as adaptive risk reduction measures while also contributing to carbon fixation. Here, we use a conceptual model study to illustrate the built-in adaptive capability of ecosystems to reduce a wide range of wave heights, occurring at different water levels, to a narrower range. Our model shows that wave height of waves running through a forested section is independent of initial height or of water level. Although the underlying phenomenon of non-linear wave attenuation within coastal vegetation is well studied, implications of reducing variability in wave heights for design of ecosystem and levee combinations have not yet been properly outlined. Narrowing the range of wave heights by a vegetation field generates an adaptive levee that is robust to a whole range of external conditions rather than only to a maximum wave height. This feature can substantially reduce costs for retrofitting of levees under changing future wave climates. Thereby, in wave prone areas, inclusion of ecosystems into flood defense schemes constitutes an adaptive and safe alternative to only hard engineered flood risk measures. 相似文献
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Kumar Pushp Sahu Naresh Chandra Kumar Siddharth Ansari Mohd Arshad 《Environmental science and pollution research international》2021,28(37):51597-51611
Environmental Science and Pollution Research - This study empirically examines the impact of climate change on cereal production in selected lower-middle-income countries with a balanced panel... 相似文献
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Pradeep Kumar Ekta Faujdar Raj K. Singh Subham Paul Aruna Kukrety Vijay K. Chhibber Siddharth S. Ray 《Environmental Chemistry Letters》2018,16(3):1025-1031
CO2 absorption by liquid-containing amines to form carbamate and bicarbonates is an effective method of CO2 mitigation from industrial exhausts, but this process is expensive and requires large quantities of amines. Here we modified chitosan, a naturally occurring biopolymer containing NH2 functions, to use it for CO2 absorption in aqueous media. Chitosan was dispersed in 40% aqueous NaOH solution then treated with monochloroacetic acid dissolved in isopropanol, to yield O-carboxymethylchitosan. Results show that the CO2 absorption capacity of O-carboxymethylchitosan is 0.508 g/g, which is higher than the capacity of conventional amines such as 1-aminoamine, 2-methylpropanolamine and methyldiethanol amine, but lower than the capacity of monoethanolamine. A cyclic study showed that O-carboxymethylchitosan is a stable component for CO2 absorption and regeneration. 相似文献
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Pandey Kailash Pati Jha Ujjwal R. Kushwaha Jeetesh Priyadarsini Madhumita Meshram Siddharth U. Dhoble Abhishek S. 《Journal of Material Cycles and Waste Management》2023,25(3):1249-1266
Journal of Material Cycles and Waste Management - With sky-rocketing demand and unrestricted global production, plastics have become an inseparable part of daily human life and the circular economy... 相似文献
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