Record Details
Using Relative Humidity as a State Variable in Climate Feedback Analysis
ScholarsArchive at Oregon State University
| Field | Value |
|---|---|
| Title | Using Relative Humidity as a State Variable in Climate Feedback Analysis |
| Names |
Held, Isaac M.
(creator) Shell, Karen M. (creator) |
| Date Issued | 2012-04 (iso8601) |
| Note | To the best of our knowledge, one or more authors of this paper were federal employees when contributing to this work. |
| Abstract | An approach to climate change feedback analysis is described in which tropospheric relative humidity replaces specific humidity as the state variable that, along with the temperature structure, surface albedos, and clouds, controls the magnitude of the response of global mean surface temperature to a radiative forcing. Despite being simply a regrouping of terms in the feedback analysis, this alternative perspective has the benefit of removing most of the pervasive cancellation between water and lapse-rate feedbacks seen in models. As a consequence, the individual feedbacks have less scatter than in the traditional formulation. The role of cloud feedbacks in controlling climate sensitivity is also reflected more clearly in the new formulation. |
| Genre | Article |
| Topic | Climate change |
| Identifier | Held, Isaac M., Karen M. Shell, 2012: Using Relative Humidity as a State Variable in Climate Feedback Analysis. Journal of Climate, 25, 2578–2582. doi: http://dx.doi.org/10.1175/JCLI-D-11-00721.1 |
