Differences in the hydrological cycle and sensitivity between multiscale modeling frameworks with and without a higher‐order turbulence closure

Xu, Kuan‐Man; Li, Zhujun; Cheng, Anning; Blossey, Peter N.; Stan, Cristiana

doi:10.1002/2017ms000970

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Differences in the hydrological cycle and sensitivity between multiscale modeling frameworks with and without a higher‐order turbulence closure

2017
By Xu, Kuan‐Man ; Li, Zhujun ; Cheng, Anning ; ...
Source: Journal of Advances in Modeling Earth Systems, 9(5), 2120-2137

[PDF-3.55 MB]

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Journal Title:

Journal of Advances in Modeling Earth Systems
Personal Author:

Xu, Kuan‐Man ; Li, Zhujun ; Cheng, Anning ; Blossey, Peter N. ; Stan, Cristiana

Xu, Kuan‐Man ; Li, Zhujun ; Cheng, Anning ; Blossey, Peter N. ; Stan, Cristiana Less -
NOAA Program & Office:

NWS (National Weather Service) ; CPC (Climate Prediction Center) ; EMC (Environmental Modelling Center)

NWS (National Weather Service) ; CPC (Climate Prediction Center) ; EMC (Environmental Modelling Center) Less -
Description:

Current conventional global climate models (GCMs) produce a weak increase in global-mean precipitation with anthropogenic warming in comparison with the lower tropospheric moisture increases. The motive of this study is to understand the differences in the hydrological sensitivity between two multi-scale modeling frameworks (MMFs) that arise from the different treatments of turbulence and low clouds in order to aid to the understanding of the model spread among conventional GCMs. We compare the hydro- logical sensitivity and its energetic constraint from MMFs with (SPCAM-IPHOC) or without (SPCAM) anadvanced higher-order turbulence closure. SPCAM-IPHOC simulates higher global hydrological sensitivity for the slow response but lower sensitivity for the fast response than SPCAM. Their differences are compara- ble to the spreads of conventional GCMs. The higher sensitivity in SPCAM-IPHOC is associated with thehigher ratio of the changes in latent heating to those in net atmospheric radiative cooling, which is further
Keywords:

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Environmental Chemistry General Earth And Planetary Sciences Global And Planetary Change
Source:

Journal of Advances in Modeling Earth Systems, 9(5), 2120-2137
DOI:

https://doi.org/10.1002/2017ms000970
ISSN:

1942-2466;1942-2466;
Format:

PDF
Publisher:

American Geophysical Union (AGU)
Document Type:

Journal Article
License:

https://creativecommons.org/licenses/by-nc-nd/4.0/
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CC BY-NC-ND
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Library
Main Document Checksum:

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urn:sha256:9387c9e5c26c22ece90f6609820b3570ce9975142c8895f1d33722eef1662269
Download URL:

https://repository.library.noaa.gov/view/noaa/55113/noaa_55113_DS1.pdf
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