Held's research has had two major themes. The first is understanding how the earth's climate responds to changes in the amount of solar radiation hitting the planet or to the concentration of greenhouse gasses in the atmosphere. His early work highlighted the importance of the lapse rate in determining the climate's response to radiation changes.[2] Held has continued to be concerned with how global warming can alter both the cycle of water and the distribution of winds on earth. In a paper published in 2006 with Brian Soden, he showed that this increase in precipitation might nonetheless be associated with a slowdown of the Walker circulation. The second theme of Held's research is the general circulation of the atmosphere. In one of his earliest papers,[3] he showed that when a region is unstable to the large-scale planetary waves known as Rossby waves, the propagation of waves out of this region results in an easterly (westward) acceleration, which generates jet streams in midlatitudes. In contrast, regions in which these waves break experience an eastward (westerly) acceleration.[4] Held also developed a theory for the Hadley circulation that would exist in the absence of atmospheric turbulence .[5] Wikipedia
Monday 10 July 2017
Climate Change Daily Vid July 10 2017 Isaac Held
Climate Change Daily Vid July 10 2017
Held's research has had two major themes. The first is understanding how the earth's climate responds to changes in the amount of solar radiation hitting the planet or to the concentration of greenhouse gasses in the atmosphere. His early work highlighted the importance of the lapse rate in determining the climate's response to radiation changes.[2] Held has continued to be concerned with how global warming can alter both the cycle of water and the distribution of winds on earth. In a paper published in 2006 with Brian Soden, he showed that this increase in precipitation might nonetheless be associated with a slowdown of the Walker circulation. The second theme of Held's research is the general circulation of the atmosphere. In one of his earliest papers,[3] he showed that when a region is unstable to the large-scale planetary waves known as Rossby waves, the propagation of waves out of this region results in an easterly (westward) acceleration, which generates jet streams in midlatitudes. In contrast, regions in which these waves break experience an eastward (westerly) acceleration.[4] Held also developed a theory for the Hadley circulation that would exist in the absence of atmospheric turbulence .[5] Wikipedia
Held's research has had two major themes. The first is understanding how the earth's climate responds to changes in the amount of solar radiation hitting the planet or to the concentration of greenhouse gasses in the atmosphere. His early work highlighted the importance of the lapse rate in determining the climate's response to radiation changes.[2] Held has continued to be concerned with how global warming can alter both the cycle of water and the distribution of winds on earth. In a paper published in 2006 with Brian Soden, he showed that this increase in precipitation might nonetheless be associated with a slowdown of the Walker circulation. The second theme of Held's research is the general circulation of the atmosphere. In one of his earliest papers,[3] he showed that when a region is unstable to the large-scale planetary waves known as Rossby waves, the propagation of waves out of this region results in an easterly (westward) acceleration, which generates jet streams in midlatitudes. In contrast, regions in which these waves break experience an eastward (westerly) acceleration.[4] Held also developed a theory for the Hadley circulation that would exist in the absence of atmospheric turbulence .[5] Wikipedia
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