globalchange  > 气候变化事实与影响
DOI: 10.1016/j.gsf.2018.01.008
WOS记录号: WOS:000459141200012
论文题名:
Why would sea-level rise for global warming and polar ice-melt?
作者: Khan, Aftab Alam1,2
通讯作者: Khan, Aftab Alam
刊名: GEOSCIENCE FRONTIERS
ISSN: 1674-9871
出版年: 2019
卷: 10, 期:2, 页码:481-494
语种: 英语
英文关键词: Global warming ; Polar ice-melt ; Equatorial bulge ; Polar flattening ; Geologic events ; Sea level rise
WOS关键词: MEDITERRANEAN SEA ; SATELLITE ; THICKNESS
WOS学科分类: Geosciences, Multidisciplinary
WOS研究方向: Geology
英文摘要:

Two major causes of global sea level rise such as thermal expansion of the oceans and the loss of land-based ice for increased melting have been claimed by some researchers and recognized by the IPCC. However, other climate threat investigators revealed that atmosphere-ocean modeling is an imperfect representation, paleo-data consist of proxy climate information with ambiguities, and modern observations are limited in scope and accuracy. It is revealed that global warming and polar ice-melt although a reality would not contribute to any sea level rise. Floating-ice of the polar region on melting would reoccupy same displaced volume by floating ice-sheets. Land-ice cover in the polar region on melting can reduce load from the crust to activate elastic rebound that would raise land for its isostatic equilibrium. Such characteristics would not contribute to sea level rise. Equatorial bulge, polar flattening, elevation difference of the spheroidal surface between equator and pole with lower in the pole, strong gravity attraction of the polar region and week gravity attraction of the equatorial region, all these phenomena would play dominant role in preventing sea level rise. Palaeo-sea level rise and fall in macro-scale (10 - 100 m or so) were related to marine transgression and regression in addition to other geologic events like converging and diverging plate tectonics, orogenic uplift of the collision margin, basin subsidence of the extensional crust, volcanic activities in the oceanic region, prograding delta buildup, ocean floor height change and sub-marine mass avalanche. This study also reveals that geophysical shape, gravity attraction and the centrifugal force of spinning and rotation of the earth would continue acting against sea level rise. (C) 2018, China University of Geosciences (Beijing) and Peking University. Production and hosting by Elsevier B.V. This is an open access article under the CC BY-NC-ND license.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/130373
Appears in Collections:气候变化事实与影响

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作者单位: 1.Univ Dhaka, Dept Geol, Dhaka 1000, Bangladesh
2.147,Rd 2,Sect 12-A, Dhaka 1216, Bangladesh

Recommended Citation:
Khan, Aftab Alam. Why would sea-level rise for global warming and polar ice-melt?[J]. GEOSCIENCE FRONTIERS,2019-01-01,10(2):481-494
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