What question did this study set out to answer?

To evaluate long-term spatiotemporal patterns, seasonal variations, and driving mechanisms of extreme precipitation events across the Yellow River basin from 1960 to 2011.

April 4, 2017Hydrological Processes

Trends in precipitation extremes over the Yellow River basin in North China: Changing properties and causes

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To evaluate long-term spatiotemporal patterns, seasonal variations, and driving mechanisms of extreme precipitation events across the Yellow River basin from 1960 to 2011.
Analyzed daily precipitation records from 68 high-quality meteorological stations across the Yellow River basin over a 52-year period (1960–2011).
Applied the Mann–Kendall test and composite analysis to assess trends in extreme precipitation indices, elevation effects, and East Asian summer monsoon teleconnections.
Most regional precipitation indices decreased over the study period, while the simple daily intensity index increased, indicating stronger storms and heightened drought probability.
The central-south and northwest domains showed significant increases in heavy precipitation metrics (maximum 1-day precipitation and extremely wet days) despite fewer total wet days.
A weakening East Asian summer monsoon during 1986–2011 compared to 1960–1985 served as a primary driver of the basin-wide reductions in extreme precipitation indices.

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Implication

Spatiotemporal analysis reveals intensifying rainfall extremes and drought-flood risks across the Yellow River basin, indicating that weakening summer monsoons disrupt regional water security.

Cite This Study

Gao et al. (2017) studied this question.

synapsesocial.com/papers/6a71415eac440176ef29ee24 https://doi.org/10.1002/hyp.11192

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Implication

Spatiotemporal analysis reveals intensifying rainfall extremes and drought-flood risks across the Yellow River basin, indicating that weakening summer monsoons disrupt regional water security.

Trends in precipitation extremes over the Yellow River basin in North China: Changing properties and causes

Key Points

Discussion

Implication

Cite This Study

Trends in precipitation extremes over the Yellow River basin in North China: Changing properties and causes

Key Points

Discussion

Implication

Cite This Study

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