Zizhen Dong

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Verified

Zizhen verified their affiliation via an institutional email.

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• PhD
• Professor (Associate) at Yunnan University

Impacts of El Niño−Southern Oscillation (ENSO) on the quasi‐biweekly oscillation over the western North Pacific (WNP‐QBWO) in boreal winter are investigated in the study. The WNP‐QBWO in boreal winter primarily propagates westward from the tropical western Pacific to WNP. During the La Niña winter, the QBWO over the WNP has stronger intensity and p...

Southwest China experienced a severe drought during winter 2022–spring 2023. This drought mainly struck Yunnan Province and surrounding regions (21°–30° N, 97°–106° E), with precipitation deficit lasting for about 8 months from Oct 2022 to May 2023. The area-mean precipitation and surface soil moisture in the study region during the drought were bo...

Based on observation analysis and numerical simulation, this study reveals that the spring land-sea thermal contrast between Yun-Gui Plateau and Beibu Gulf has a significant triggering impact on the variations of South China Sea summer monsoon onset dates (SCSSMOD) at the interannual timescale. The March–April thermal contrast with warm Yun-Gui Pla...

This study investigates the propagation and maintenance mechanisms of the dominant intraseasonal oscillation over the western North Pacific in boreal winter, the quasi-biweekly oscillation (QBWO). The wintertime QBWO over the western North Pacific is characterized by the westward-northwestward movement from the tropical western Pacific to the weste...

We estimate that anthropogenic forcing caused half of the observed temperature anomaly during the August 2022 heatwave in southern China. Thermodynamical processes, especially soil moisture–SAT feedback, amplified the heatwave.

The Western Pacific pattern (WP) is one of the most consequential atmospheric teleconnections during boreal winter, as it profoundly influences weather extremes and climate variability across Eurasia and North America. The El Niño‐Southern Oscillation (ENSO) is suggested to be a crucial external forcing of WP variability. In this study, we meticulo...

The multidecadal changes of dust column mass density (DCMD) in Gobi desert (GD) in spring are investigated based on the Modern‐Era Retrospective analysis for Research and Applications version 2 dataset. In addition, the possible effects of the atmospheric circulation and sea surface temperature (SST) forcing on the multidecadal changes are analyzed...

This study investigates the effects of sea surface temperature (SST) anomalies in different ocean basins driving the interannual variations of summer precipitation in low-latitude highlands of Southeast Asia (SALH) during 1981–2020. Singular value decomposition reveals that above-normal SALH precipitation is dynamically connected with positive SST...

Strong East Asian winter monsoon (EAWM) can enhance the Maritime Continent rainfall (MCR) via frequent southward penetration of cold air along the coast of East Asia. However, such impact diminished after the late‐1990s, primarily due to the weakened covariation between the Siberian high and Aleutian low (AL). During 1979–1998, the co‐variability b...

The formation of O3 pollution not only depends on the emission of the O3 precursors, but also is closely related to the atmospheric circulation. However, to what extent atmospheric circulation changes contribute to the variations of O3 concentration has not been well understood over East Asia. Here, the O3 concentration data from the ERA5 Reanalysi...

Plain Language Summary An unprecedented heatwave occurred across Western North America (WNA) from late June to early July 2021. It lies far outside the historical range and poses considerable hazards to the regional society and economy, raising questions about how the likelihood of a similar heatwave to the 2021 one will change under global warming...

High air pollutions of PM2.5 concentrations have become a serious environmental problem in China during recent decades, causing significant influences on urban air quality and human health. In the study, we investigate the variations of the December PM2.5 in Eastern China and the possible causes during 2000–2020. The empirical orthogonal function (...

The present study compares the spatial and temporal characteristics of the Madden-Julian Oscillation (MJO) in Fengyun-3B (FY-3B) polar-orbiting satellite reprocessed outgoing longwave radiation (OLR) data and NOAA OLR data during 2011–2020. The spatial distributions of climatological mean and intraseasonal standard deviation of FY-3B OLR during bor...

Observations indicate that the winter precipitation over Southeast Asia (SEAP) shows significantly increased trends from 1979 to 2014, which can be partly reproduced under the historical all-forcing simulations from the 12 Coupled Model Intercomparison Project Phase 6 (CMIP6) climate models. By analyzing separate external forcings run with the Dete...

Based on the Tropical Rainfall Measuring Mission (TRMM) satellite observation and ERA5 re-analysis dataset, this paper studies the influence of the northwestward-propagating quasi-biweekly oscillation (QBWO) over the western North Pacific on cold surge rainfall (CSR) over Southeast Asia. Cold surges are the most important driver affecting Southeast...

The skills to predict winter rainfall in southern Thailand are low in current state‐of‐the‐art dynamic prediction systems. The skills can be improved by incorporating information on the tropical western Pacific sea surface temperature 1 month in advance. The underlying mechanism involves the Matsuno–Gill response to the sea surface temperature in t...

Based on the 18 realizations of three state-of-the-art climate models participated in the Coupled Model Intercomparison Project phase 6 (CMIP6), this paper examines the changes in climatology and trends of winter diurnal temperature range (DTR) over East Asia in response to natural and anthropogenic forcings. In the observation, the climatology of...

Based on observation and reanalysis datasets, numerical experiments with a simple dynamical model, and climate model outputs, this study investigates the second leading waveguide teleconnection along the summer polar front jet (PFJ) over Eurasia on the interannual time scale, the British–Okhotsk Corridor (BOC) pattern. The BOC pattern explains 20.8...

This study investigates the characteristics and climate impacts of the quasi-biweekly oscillation (QBWO) over the western North Pacific (WNP) in boreal winter based on observational and reanalysis data and numerical experiments with a simplified model. The wintertime convection over the WNP is dominated by significant biweekly variability with a 10...

Based on the observational dataset SA‐OBS and model outputs from the Community Earth System Model Large Ensemble project, this study investigates heatwaves in Southeast Asia in the current and future warmer climate. A heatwave is detected when the daily maximum temperature exceeds the 90th percentile threshold at each grid for at least three consec...

Based on several observational and reanalysis datasets for the winters 1901-2017, this study investigates the interdecadal (ID) variation of the Southeast Asian rainfall (SEAR) and its potential drivers. The dominant mode of the wintertime SEAR on the ID timescale features enhanced precipitation over the eastern Maritime Continent and the Philippin...

Summer precipitation in Thailand is a major resource for water and agriculture. Understanding the decadal variations of summer precipitation is useful for water resource management planning for long-term periods. This study investigates decadal changes in summer precipitation in Thailand. An evident increase in summer precipitation was found after...