Tibetan Plateau Weather and Climate & Asian Monsoon

A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Climatology".

Deadline for manuscript submissions: closed (30 April 2023) | Viewed by 4833

Special Issue Editors


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Guest Editor
Key Laboratory of Meteorological Disaster, Ministry of Education (KLME)/Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters (CIC-FEMD)/Joint International Research Laboratory of Climate and Environment Change (ILCEC)/Joint Center for Data Assimilation Research and Applications, School of Atmospheric Sciences, Nanjing University of Information Science & Technology, Nanjing 210044, China
Interests: Tibetan Plateau meteorology; intraseasonal oscillation; Asian summer monsoon

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Guest Editor
Plateau Atmosphere and Environment Key Laboratory of Sichuan Province, School of Atmospheric Sciences, Chengdu University of Information Technology, Chengdu 610225, China
Interests: Tibetan Plateau meteorology; weather forecasting; extreme weather events

E-Mail Website
Guest Editor
Key Laboratory of Meteorological Disaster, Ministry of Education (KLME), Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters (CIC-FEMD), Joint International Research Laboratory of Climate and Environment Change (ILCEC), Joint Center for Data Assimilation Research and Applications, School of Atmospheric Sciences, Nanjing University of Information Science & Technology, Nanjing 210044, China
Interests: Tibetan Plateau meteorology; Asian monsoon; disastrous weather
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Special Issue Information

Dear Colleagues,

The Tibetan Plateau (TP), as a huge, intense and elevated heat source, plays important roles in affecting the onset and maintenance of the Asian summer monsoon (ASM) and the pattern of the boreal summer climate. Meanwhile, the TP elements and ASM show obvious variabilities at different timescales (i.e., intraseasonal, interannual, decadal, and trend), however, their multi-scale interactions remain unclear. Recently, TP has been undergoing some new changes, including the heat source, precipitation, vorticity and some other variables under global warming, which may have a crucial impact on the weather and climate changes over the surrounding regions. Therefore, a better understanding of the relationship between TP and ASM changes under global warming is of great importance to the research community and society.

This Special Issue invites papers on all aspects of Tibetan Plateau meteorology and Asian monsoon on multiple time scales. The submission of original research and review articles that aim to investigate Tibetan Plateau weather and climate changes, Asian monsoon variabilities and dynamics, future changes over TP and monsoon regions, and their multi-scale interactions. This Special Issue hopes to bring attention to recent changes of TP and Asian monsoon on different timescales under a changing climate.

Dr. Meirong Wang
Dr. Zhiqiang Lin
Prof. Dr. Shunwu Zhou
Guest Editors

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Keywords

  • Tibetan Plateau
  • weather and climate changes
  • Asian monsoon variability and change
  • monsoon dynamics
  • intraseasonal oscillation
  • atmospheric heat source
  • droughts and floods
  • future projections

Published Papers (3 papers)

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Research

16 pages, 16767 KiB  
Article
Effects of the Trends in Spring Sensible Heating over the Tibetan Plateau during Different Stages on Precipitation in China
by Binjing Cui, Zhu Zhu, Meirong Wang, Shu Zhou and Shunwu Zhou
Atmosphere 2023, 14(5), 812; https://doi.org/10.3390/atmos14050812 - 29 Apr 2023
Viewed by 1163
Abstract
The spring sensible heating (SSH) over the Tibetan Plateau (TP), which can significantly affect the precipitation in China, has experienced three different stages of change, showing significant increasing (1961–1979, Stage I), decreasing (1980–2002, Stage II), and increasing (2003–2014, Stage III) trends. In this [...] Read more.
The spring sensible heating (SSH) over the Tibetan Plateau (TP), which can significantly affect the precipitation in China, has experienced three different stages of change, showing significant increasing (1961–1979, Stage I), decreasing (1980–2002, Stage II), and increasing (2003–2014, Stage III) trends. In this study, the impact of these different trends in TP SSH on spring precipitation (SPR) in China and their possible mechanisms are investigated, based on observations and the reanalysis product. In Stage I, the SPR represents a contrasting north-south pattern associated with the increasing TP SSH, showing increasing trends over southern China and decreasing trends over central and northern China. Further, the spatial distribution of SPR trends shows a contrasting east-west pattern in Stage II. That is, persistent weakening TP SSH plays a more crucial role in increasing and decreasing SPR over southwestern and southern China, respectively. However, compared with the significant trend in SPR in Stage III, the regulation of TP SSH on SPR weakens significantly. Dynamically, the increasing TP SSH in Stage I can strengthen the subtropical westerly jet in the upper layer, simultaneously configured with an anomalous cyclone in northeastern China, which deepens the East Asian trough. Thus, anomalous convergence in the upper layer occurs over central and northern China, favoring the downdraft. It then causes more cold and dry air to move southward in the lower troposphere, which then encounters the warm and wet southwest airflows, boosting the updraft over southern China. In Stage II, regression analysis shows that if the TP SSH increases, an anomalous cyclone in the middle and upper troposphere occurs over the western TP, causing the downdraft and less precipitation over southwestern China, while a cyclone in the lower troposphere occurs over the western North Pacific and extends to southern China, promoting the ascending motions and more precipitation in southern China. However, in this stage, TP SSH actually weakens, thus contributing to more precipitation over southwestern China and less precipitation over southern China. Full article
(This article belongs to the Special Issue Tibetan Plateau Weather and Climate & Asian Monsoon)
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19 pages, 15653 KiB  
Article
Impacts of the Indian Summer Monsoon on the Southern Boundary Water Vapor Transport and Precipitation over the Tibetan Plateau
by Tianyu Liu, Jinghua Chen, Kai Yang, Liping Deng and Zhiyi Guo
Atmosphere 2023, 14(1), 20; https://doi.org/10.3390/atmos14010020 - 23 Dec 2022
Cited by 3 | Viewed by 1600
Abstract
Water vapor transport plays a significant role in maintaining the water cycle over the Tibetan Plateau (TP). This study investigates the characteristics of water vapor transport across the TP southern boundaries and its impacts on TP precipitation during the Indian summer monsoon (ISM) [...] Read more.
Water vapor transport plays a significant role in maintaining the water cycle over the Tibetan Plateau (TP). This study investigates the characteristics of water vapor transport across the TP southern boundaries and its impacts on TP precipitation during the Indian summer monsoon (ISM) season from 2000 to 2019. The southern boundary is subdivided into four sub-boundaries from the east to the west: boundaries 7 (100°–95° E), 8 (95°–89° E), 9 (89°–80° E), and 10 (80°–70° E) (B7, B8, B9, and B10). ISM can affect the water vapor transports of B7, B8, and B9, while mid-latitude westerlies dominate the water vapor transport of B10. An area with concentrated spatial precipitation in both strong and weak ISM months is regarded as a precipitation concentration region (PCR). The results show that the PCR precipitation is smaller in the weak ISM month than in the normal month for most of the day, while it is larger in the strong ISM month than in the normal month. The PCR precipitation difference from afternoon to evening in strong and weak ISM months between normal months shows a dependency on the water vapor transport of B8 and B10. Water vapor transported across B9 also contributes to the increased PCR precipitation in the afternoon. The PCR precipitation shows a more dependable relationship to the water vapor from the BoB and the Arabian Sea in strong ISM months than in weak ISM months. Conversely, the water vapor transport efficiency is low in strong ISM months due to a cyclonic circulation over northern India, preventing water vapor transport from reaching the TP directly. Full article
(This article belongs to the Special Issue Tibetan Plateau Weather and Climate & Asian Monsoon)
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15 pages, 3757 KiB  
Article
Evaluation and Correction of Climate Simulations for the Tibetan Plateau Using the CMIP6 Models
by Jiajia Gao, Jun Du, Cheng Yang, Zhuoga Deqing, Pengfei Ma and Ga Zhuo
Atmosphere 2022, 13(12), 1947; https://doi.org/10.3390/atmos13121947 - 23 Nov 2022
Cited by 2 | Viewed by 1490
Abstract
This study evaluates the abilities of fifteen High-resolution Coupled Model Intercomparison Project phase 6 (CMIP6) models to simulate temperature and precipitation over the Tibetan Plateau (TP) for the years 1980–2014. The impacts of terrain correction and Empirical Orthogonal Function (EOF) correction on simulations [...] Read more.
This study evaluates the abilities of fifteen High-resolution Coupled Model Intercomparison Project phase 6 (CMIP6) models to simulate temperature and precipitation over the Tibetan Plateau (TP) for the years 1980–2014. The impacts of terrain correction and Empirical Orthogonal Function (EOF) correction on simulations of temperature and precipitation are examined. The results show that equal-weighted ensemble averaging of the CMIP6 high-resolution model provides a good representation of the spatial distribution of temperature over the TP, although simulations underestimate observations by 1.87 °C. The simulated spatial range of temperature cooling significantly exceeds the observed range, particularly in the central and southwestern TP. The performances of the simulations for precipitation are far poorer than those for temperature, and although the CMIP6 model represents the distribution of annual mean precipitation, simulations of precipitation show significant deviations from observations. Furthermore, model simulations of precipitation are 1.57 mm lower than observed, and 30% lower than observed in the southeastern TP. However, the CMIP6 model overestimated the intensity of precipitation in most regions, especially in the southeastern part of the TP. Meanwhile, the EOF analysis indicates that the effects of the correction of temperature exceed that of precipitation. Therefore, a range of methods should be considered for correcting temperature and precipitation over a complex terrain. Full article
(This article belongs to the Special Issue Tibetan Plateau Weather and Climate & Asian Monsoon)
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