Large Uncertainty in the Relative Rates of Dynamical and Hydrological Tropical Expansion

Seviour, William J. M.; Davis, Sean M.; Grise, Kevin M.; Waugh, Darryn W.

doi:10.1002/2017gl076335

Advanced Search

Select up to three search categories and corresponding keywords using the fields to the right. Refer to the Help section for more detailed instructions.

Search our Collections & Repository

Advanced Search
Custom Query

All these words:

For very narrow results

This exact word or phrase:

When looking for a specific result

Any of these words:

Best used for discovery & interchangable words

None of these words:

Recommended to be used in conjunction with other fields

Language:

Dates

Publication Date Range:

to

Document Data

Title:

Document Type:

Library

Collection:

Series:

People

Author:

Clear All

Query Builder

Query box

Clear All

For additional assistance using the Custom Query please check out our Help Page

The NOAA IR serves as an archival repository of NOAA-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by NOAA or funded partners. As a repository, the NOAA IR retains documents in their original published format to ensure public access to scientific information.

i

Large Uncertainty in the Relative Rates of Dynamical and Hydrological Tropical Expansion

2018
By Seviour, William J. M. ; Davis, Sean M. ; Grise, Kevin M. ; ...
Source: Geophysical Research Letters, 45(2), 1106-1113.

[PDF-1.22 MB]

Details Related Documents You May Also Like

Details:

Journal Title:

Geophysical Research Letters
Personal Author:

Seviour, William J. M. ; Davis, Sean M. ; Grise, Kevin M. ; Waugh, Darryn W.

Seviour, William J. M. ; Davis, Sean M. ; Grise, Kevin M. ; Waugh, Darryn W. Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; ESRL (Earth System Research Laboratory) ; CIRES (Cooperative Institute for Research in Environmental Sciences)

OAR (Oceanic and Atmospheric Research) ; ESRL (Earth System Research Laboratory) ; CIRES (Cooperative Institute for Research in Environmental Sciences) Less -
Description:

Climate models predict that the Hadley circulation will expand poleward in a warmer climate, a trend which may cause significant changes in global precipitation patterns. However, recent studies have disagreed as to how strongly changes in the Hadley circulation and changes in the hydrological cycle (specifically the latitude at which precipitation balances evaporation) are related. Here we analyze dynamical and hydrological measures of the Southern Hemisphere edge of the tropics using simulations from the fifth Coupled Model Intercomparison Project (CMIP5) and four reanalysis data sets. In simulations with an abrupt quadrupling of atmospheric CO2 concentrations, all models show a poleward expansion in both metrics. However, there is a large spread among models; the ratio of the hydrological to dynamical expansions varies from 0.6 to 1.4. We show that this model spread can be largely explained by differences in internal variability, which in turn is related to the mean state of models. Differences in mean states among reanalyses are similar to those of models, and so reanalyses do not help constrain uncertainty in model trends.
Source:

Geophysical Research Letters, 45(2), 1106-1113.
DOI:

https://doi.org/10.1002/2017gl076335
Document Type:

Journal Article
Rights Information:

Other
Compliance:

Submitted
Main Document Checksum:

[+]

urn:sha256:94a6ef62554759c38f0bcf501dd89844825e2610007f763fe69cffe0ebd3e712
Download URL:

https://repository.library.noaa.gov/view/noaa/21842/noaa_21842_DS1.pdf
File Type:

No Additional Files

More +

Large Uncertainty in the Relative Rates of Dynamical and Hydrological Tropical Expansion

Details:

Supporting Files

Related Documents

You May Also Like