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Temperature Changes

  • Dinesh Chandra Uprety
  • V. R. Reddy
  • Jyostna Devi Mura
Chapter

Abstract

The history of climates is understood because of evidence left in tree rings, layers of ice in glaciers, ocean sediments, coral reefs, and layers of sedimentary rocks. For instance, air bubbles trapped in the glacial air can provide the history of greenhouse gases for back more than 800,000 years. Thus, chemical composition of the ice offers clues to the average global temperature and construction of paleoclimates. These records coupled with climate models suggest warmer past ice ages even warmer than today. However, these records also recommend that the current climate is warming very fast than past warming events. In the past million years, the Earth’s temperature increased only 4–7 °C for every 5000 years. However, in the past century, the temperature had raised 0.7 °C which is about ten times higher than the rate of ice age (Riebeek 2010).

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Dinesh Chandra Uprety
    • 1
  • V. R. Reddy
    • 2
  • Jyostna Devi Mura
    • 2
  1. 1.Division of Plant PhysiologyIndian Agricultural Research InstituteNew DelhiIndia
  2. 2.Adaptive Cropping System LaboratoryUSDA, ARSBeltsvilleUSA

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