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2 - Global Climate Change and the Rivers
from Part II - Challenge
- By Gerald R. North
Edited by Jurgen Schmandt, Aysegül Kibaroglu
Edited in association with Regina Buono, University of Texas, Austin, Sephra Thomas, University of Texas, Austin
Book:

Sustainability of Engineered Rivers In Arid Lands

Published online:

16 September 2021

Print publication:

16 September 2021, pp 13-30
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Summary

Currently available climate models predict the planet will be warmer at the end of this century by about 3C plus/minus 1.50C, while certain regions (the polar regions and the interiors of larger landmasses) will warm slightly more and ocean surfaces will warm at a slower pace. Climate modeling also tells us that the midlatitude storm belts will recede gradually toward their respective poles, causing the Hadley Cells to widen and expanding the arid subtropical zones. Warming in the cloud-free subtropics will lead to more warming and hence more evaporation of soil water. This chapter presents a thorough and accessible discussion of climate modeling to estimate future conditions in the Earth-hydrological system. It analyzes patterns of rainfall, potential evapotranspiration, actual evaporation, and runoff, among other factors, as well as the feedback mechanisms in the climate system that will impact water availability and use in the SERIDAS basins.