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GEOPHYSICAL RESEARCH LETTERS,
VOL. 34,
L24709,
5 PP., 2007
doi:10.1029/2007GL031936
Relationship between temperature and precipitable water changes over tropical oceans
Remote Sensing Systems, Santa Rosa, California, USA
Program for Climate Model Diagnosis and Intercomparison, Lawrence Livermore National Laboratory, Livermore, California, USA
Remote Sensing Systems, Santa Rosa, California, USA
Program for Climate Model Diagnosis and Intercomparison, Lawrence Livermore National Laboratory, Livermore, California, USA
Lawrence Berkeley National Laboratory, Berkeley, California, USA
We use observations, climate models and reanalysis output to examine the relationship between changes in temperature and changes in precipitable water. In climate models these variables are highly correlated over the tropical oceans, with a similar scaling ratio for interannual and decadal time scales. This result is consistent with the most recently developed satellite datasets. In contrast, scaling rations based either on an earlier version of the satellite measurements or reanalysis show scaling ratios that are inconsistent with models, and are dependent on time scale. These results demonstrate that climate model output is useful for evaluating differences between divergent observational datasets.
Received 5 September 2007; accepted 27 November 2007; published 29 December 2007.
Citation: (2007), Relationship between temperature and precipitable water changes over tropical oceans, Geophys. Res. Lett., 34, L24709, doi:10.1029/2007GL031936.
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