Data · dataset · 2026
Changes in moisture flux over the Tibetan Plateau during 1979-2011 and possible mechanisms
Listed in National Center for Atmospheric Research
Changes in moisture as represented by P -- E (precipitation -- evapotranspiration) and the possible causes over the Tibetan Plateau (TP) during 1979-2011 are examined based on the Global Land Data Assimilation Systems (GLDAS) ensemble mean runoff and reanalyses.
Description
It is found that the TP is getting wetter as a whole but with large spatial variations. The climatologically humid southeastern TP is getting drier while the vast arid and semiarid northwestern TP is getting wetter.
The Clausius-Clapeyron relation cannot be used to explain the changes in P - E over the TP. Through decomposing the changes in P - E into three major componentsâdynamic, thermodynamic, and transient eddy componentsâit is noted that the dynamic component plays a key role in the changes of P â E over the TP. The thermodynamic component contributes positively over the southern and central TP whereas the transient eddy component tends to reinforce (offset) the dynamic component over the southern and parts of the northern TP (central TP).
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Seasonally, the dynamic component contributes substantially to changes in P - E during the wet season, with small contributions from the thermodynamic and transient eddy components. Further analyses reveal the poleward shift of the East Asian westerly jet stream by 0.7° and poleward moisture transport as well as the intensification of the summer monsoon circulation due to global warming, which are shown to be responsible for the general wetting trend over the TP.
It is further demonstrated that changes in local circulations that occur due to the differential heating of the TP and its surroundings are responsible for the spatially varying changes in moisture over the TP.
Links
Get the data
- Publisher page n2t.org/ark:/85065/d7mc90zg ↗
documentation · download · from data ucar edu
Where it is published
- data.ucar.edu /dataset/changes-in-moisture-flux-over-the-tibetan-plateau-duri… ↗
National Center for Atmospheric Research dataset page
landing page · from data ucar edu
Catalogue records · 1
- CKAN API data.ucar.edu/api/3/action/package_show?id=c659337e-83b0-475e-a82b-10480ed9e… ↗
metadata API · from data ucar edu
Topics
- From keywords
- Earth & Environmental Science · Ocean & Atmospheric Science
Provenance · 1 source records, 7 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| National Center for Atmospheric Research | c659337e-83b0-475e-a82b-10480ed9e7e5 | 11 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| concepts[field].local:field:earth-environmental | mapping · data ucar edu | connector:data_ucar_edu@1.0.0 | |
| concepts[field].local:field:ocean-atmospheric | mapping · data ucar edu | connector:data_ucar_edu@1.0.0 | |
| created_date | source · data ucar edu | connector:data_ucar_edu@1.0.0 | |
| description | source · data ucar edu | connector:data_ucar_edu@1.0.0 | /notes |
| publication_date | source · data ucar edu | connector:data_ucar_edu@1.0.0 | |
| title | source · data ucar edu | connector:data_ucar_edu@1.0.0 | /title |
| updated_date | source · data ucar edu | connector:data_ucar_edu@1.0.0 |