Volume 10 Issue 2
Jan.  2021
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Aftab Alam Khan. TEMPORARY REMOVAL: Why would sea-level rise for global warming and polar ice-melt?[J]. Geoscience Frontiers, 2019, 10(2): 481-494. doi: 10.1016/j.gsf.2018.01.008
Citation: Aftab Alam Khan. TEMPORARY REMOVAL: Why would sea-level rise for global warming and polar ice-melt?[J]. Geoscience Frontiers, 2019, 10(2): 481-494. doi: 10.1016/j.gsf.2018.01.008

TEMPORARY REMOVAL: Why would sea-level rise for global warming and polar ice-melt?

doi: 10.1016/j.gsf.2018.01.008

Siding Jin acknowledges the support of a Chinese Scholarship Council’s overseas student scholarship to enable her to visit the University of Vienna for 24 months. The paper was supported by Research Institute Exploration and Development, PetroChina Yumen Oilfield Company. The China National Key Research Project (No. 2017ZX05009-002-003) supported this study. The author appreciates the anonymous reviewers, whose comments and suggestions have helped improving the original manuscript. Dr. Si Chen is thanked for a constructive review of an early draft of this paper.

  • Received Date: 2017-07-20
  • Rev Recd Date: 2017-12-26
  • Publish Date: 2021-01-07
  • Two major causes of global sea level rise such as thermal expansion of the oceans and the loss of landbased 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.
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