Please use this identifier to cite or link to this item: http://dx.doi.org/10.14279/depositonce-11746
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Main Title: A 12-year high-resolution climatology of atmospheric water transport over the Tibetan Plateau
Author(s): Curio, Julia
Maussion, Fabien
Scherer, Dieter Ernst
Type: Article
Is Part Of: 10.14279/depositonce-10713
Language Code: en
Abstract: The Tibetan Plateau (TP) plays a key role in the water cycle of high Asia and its downstream regions. The respective influence of the Indian and East Asian summer monsoon on TP precipitation and regional water resources, together with the detection of moisture transport pathways and source regions are the subject of recent research. In this study, we present a 12-year high-resolution climatology of the atmospheric water transport (AWT) over and towards the TP using a new data set, the High Asia Refined analysis (HAR), which better represents the complex topography of the TP and surrounding high mountain ranges than coarse-resolution data sets. We focus on spatiotemporal patterns, vertical distribution and transport through the TP boundaries. The results show that the mid-latitude westerlies have a higher share in summertime AWT over the TP than assumed so far. Water vapour (WV) transport constitutes the main part, whereby transport of water as cloud particles (CP) also plays a role in winter in the Karakoram and western Himalayan regions. High mountain valleys in the Himalayas facilitate AWT from the south, whereas the high mountain regions inhibit AWT to a large extent and limit the influence of the Indian summer monsoon. No transport from the East Asian monsoon to the TP could be detected. Our results show that 36.8 ± 6.3% of the atmospheric moisture needed for precipitation comes from outside the TP, while the remaining 63.2% is provided by local moisture recycling.
URI: https://depositonce.tu-berlin.de/handle/11303/12951
http://dx.doi.org/10.14279/depositonce-11746
Issue Date: 13-Mar-2015
Date Available: 7-Apr-2021
DDC Class: 551 Geologie, Hydrologie, Meteorologie
Subject(s): Tibetan Plateau
atmospheric moisture transport
precipitation variability
water cycle
monsoon
mid-latitude westerlies
Tibetisches Hochland
atmosphärischer Wassertransport
Niederschlagsvariabilität
Wasserkreislauf
Monsun
Westwinde der mittleren Breiten
Sponsor/Funder: BMBF, 03G0804A, Verbundprojekt: WTZ Zentralasien WET; Variabilität und Trends der Wasserhaushaltskomponenten in Benchmark-Einzugsgebieten des Tibet-Plateaus; Leitantrag; Vorhaben: TP1 Atmosphärische Modellierung
DFG, 58017702, SPP 1372: Tibetan Plateau: Formation - Climate - Ecosystems (TIP)
License: https://creativecommons.org/licenses/by/3.0/
Journal Title: Earth System Dynamics
Publisher: Copernicus
Publisher Place: Göttingen
Volume: 6
Issue: 1
Publisher DOI: 10.5194/esd-6-109-2015
Page Start: 109
Page End: 124
EISSN: 2190-4987
ISSN: 2190-4979
Appears in Collections:FG Klimatologie » Publications

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