How land surface properties modulate global-scale climate

April 12, 2021 |
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How land surface properties modulate global-scale climate

28 April 2021 @ 11:00 am - 12:00 pm

The large-scale climate plays an important role in controlling the distribution of vegetation on the land surface. However, changes in vegetation can also modulate the large-scale climate system. Vegetation controls many physical properties of the land surface, including albedo, aerodynamic roughness, and how hard it is to evaporate water. Each of these surface properties modulates the flux of energy and water between the land and the atmosphere in different ways. The atmosphere can respond to changes in energy fluxes from the land surface, through changes in temperature, cloud cover, rainfall, and even through large-scale shifts in atmospheric circulation. Here, I present results from an idealized modelling study where we isolate the effect of individual land surface properties on (i) surface climate and (ii) large-scale atmospheric circulation. In certain regions, land surface properties have a large control on the atmosphere – in others, not so much! We will explore which surface properties matter where, and why the atmosphere cares (or doesn’t) about changes in these land surface properties.

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28 April 2021
11:00 am - 12:00 pm
Event Category:


Kensington, NSW 2052 Australia
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