The effects of the thermal anomalies over the Tibetan Plateau and its vicinities on climate variability in China

2004 ◽  
Vol 21 (3) ◽  
pp. 369-381 ◽  
Author(s):  
Qian Yongfu ◽  
Zhang Yan ◽  
Huang Yanyan ◽  
Huang Ying ◽  
Yao Yonghong
Keyword(s):  
Tibetan Plateau ◽  
Climate Variability ◽  
The Tibetan Plateau ◽  
Thermal Anomalies

The South Asia Monsoon Break Promotes Grass Growth on the Tibetan Plateau

2021 ◽  
Author(s):  
Yanghang Ren ◽  
Kun Yang ◽  
Han Wang
Keyword(s):  
Soil Moisture ◽  
Tibetan Plateau ◽  
Solar Radiation ◽  
Climate Variability ◽  
South Asia ◽  
The Tibetan Plateau ◽  
The South ◽  
Central Eastern ◽  
Grass Growth ◽  
The Impact

<p>As region that is highly sensitive to global climate change, the Tibetan Plateau (TP) experiences an intra-seasonal soil water deficient due to the reduced precipitation during the South Asia monsoon (SAM) break. Few studies have investigated the impact of the SAM break on TP ecological processes, although a number of studies have explored the effects of inter-annual and decadal climate variability. In this study, the response of vegetation activity to the SAM break was investigated. The data used are: (1) soil moisture from in situ, satellite remote sensing and data assimilation; and (2) the Normalized Difference Vegetation Index (NDVI) and Solar-Induced chlorophyll Fluorescence (SIF). We found that in the region impacted by SAM break, which is distributed in the central-eastern part of TP, photosynthesis become more active during the SAM break. And temporal variability in the photosynthesis of this region is controlled mainly by solar radiation variability and has little sensitivity to soil moisture. We adopted a diagnostic process-based modeling approach to examine the causes of enhanced plant activity during the SAM break on the central-eastern TP. Our analysis indicates that active photosynthetic behavior in the reduced precipitation is stimulated by increases in solar radiation absorbed and temperature. This study highlights the importance of sub-seasonal climate variability for characterizing the relationship between vegetation and climate.</p>

scholarly journals Isotopic evidence that recent agriculture overprints climate variability in nitrogen deposition to the Tibetan Plateau

2020 ◽  
Vol 138 ◽  
pp. 105614 ◽  
Author(s):  
Zhengjie Li ◽  
Meredith G. Hastings ◽  
Wendell W. Walters ◽  
Lide Tian ◽  
Steven C. Clemens ◽  
...  
Keyword(s):  
Tibetan Plateau ◽  
Climate Variability ◽  
Nitrogen Deposition ◽  
The Tibetan Plateau ◽  
Isotopic Evidence

scholarly journals Reconciling the Discrepancy of Post-Volcanic Cooling Estimated from Tree-Ring Reconstructions and Model Simulations over the Tibetan Plateau

Atmosphere ◽  
2019 ◽  
Vol 10 (12) ◽  
pp. 738
Author(s):  
Jianping Duan ◽  
Peili Wu ◽  
Zhuguo Ma
Keyword(s):  
Tibetan Plateau ◽  
Climate Variability ◽  
Tree Ring ◽  
El Niño ◽  
El Nino ◽  
Southern Oscillation ◽  
Volcanic Eruptions ◽  
The Tibetan Plateau ◽  
Model Simulations ◽  
Internal Climate Variability

Volcanic eruptions are a major factor influencing global climate variability, usually with a cooling effect. The magnitudes of post-volcanic cooling from historical eruptions estimated by tree-ring reconstructions differ considerably with the current climate model simulations. It remains controversial on what is behind such a discrepancy. This study investigates the role of internal climate variability (i.e., El Niño/Southern Oscillation (ENSO) warm phase) with a regional focus on the Tibetan Plateau (TP), using tree-ring density records and long historical climate simulations from the fifth Coupled Model Intercomparsion Project (CMIP5). We found that El Niño plays an important role behind the inconsistencies between model simulations and reconstructions. Without associated El Niño events, model simulations agree well with tree-ring records. Divergence appears when large tropical eruptions are followed by an El Niño event. Model simulations, on average, tend to overestimate post-volcanic cooling during those periods as the occurrence of El Niño is random as part of internal climate variability.

Weakening Relationship Between Vegetation Growth Over the Tibetan Plateau and Large-Scale Climate Variability

2018 ◽  
Vol 123 (4) ◽  
pp. 1247-1259 ◽  
Author(s):  
Fangzhong Shi ◽  
Xiuchen Wu ◽  
Xiaoyan Li ◽  
Deliang Chen ◽  
Hongyan Liu ◽  
...  
Keyword(s):  
Tibetan Plateau ◽  
Climate Variability ◽  
Large Scale ◽  
The Tibetan Plateau ◽  
Vegetation Growth
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