Work

Impact of the central-Pacific ENSO on the Tibetan Plateau precipitation in boreal spring

Year: 2024

Type: article

Abstract: The importance of spring Tibetan Plateau (TP) precipitation is increasingly recognized. This study investigated the primary spatiotemporal features of spring Tibetan Plateau (TP) precipitation and revealed its pronounced impacts from El Niño–Southern Oscillation (ENSO). The spring TP precipitation anomalies are majorly featured by a west–east spatial pattern with interannual variations correlated with the spring central-Pacific (CP) ENSO. This west–east precipitation pattern leads to more precipitation in the western TP and less in the eastern TP under the spring CP El Niño, which is reversed under the spring CP La Niña. The ENSO-related Walker circulation variations and induced Indian Ocean warming that further excite anomalous zonal–vertical and meridional–vertical circulations south of TP are crucial to the spring TP precipitation through configuring the opposite anomalies of vertical motions and moisture convergence over western to eastern TP. The CP ENSO could be a potential precursor to the spring TP precipitation owing to its relatively long predictability and a summer persistence barrier.

Source: Environmental Research Communications

DOI: 10.1088/2515-7620/ad810d

Authors: Run Wang, Hong-Li Ren, Minghong Liu, Fang Zhou, Jun Du

Institutions: Chinese Academy of Meteorological Sciences, State Key Laboratory of Severe Weather, Nanjing University of Information Science and Technology, China Meteorological Administration

Language: English

Topic: Climate variability and models

Subfield: Global and Planetary Change

Field: Environmental Science

Domain: Physical Sciences

SDG: Climate action

Open Access status: gold

Estimated APC paid: $1,895