Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Projected increases and shifts in rain-on-snow flood risk over western North America

K. N. Musselman, Flavio Lehner, Kyoko Ikeda, Martyn Clark, Andreas F. Prein, Changhai Liu, Mike Barlage, Roy Rasmussen

Nature Climate Change · 2018

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Summary

This modelling study, published in Nature Climate Change, projects how rain-on-snow flood events will intensify and shift temporally and spatially across western North America in response to warming. Using high-resolution climate simulations, the authors as suggested by the title argue that ROS floods—a significant hazard in snow-dominated regions—will increase in frequency and magnitude, with implications for water management, agriculture, and infrastructure planning in affected areas.

UK applicability

Direct applicability to the United Kingdom is limited, as UK agriculture and hydrology are not rain-on-snow dominated. However, the methodological approach to projecting compound climate hazards and their impacts on water resources and land use may inform UK climate adaptation planning for lowland and upland systems under future precipitation and temperature regimes.

Key measures

Projected frequency and intensity of rain-on-snow events; timing of peak runoff; changes in flood magnitude under future climate scenarios; spatial and temporal shifts in ROS flood risk across western North America.

Outcomes reported

The study projected future changes in rain-on-snow (ROS) flood frequency, magnitude and timing across western North America under climate change scenarios. It assessed shifts in seasonal flood risk and associated hydrological impacts on water resources and infrastructure.

Theme
Climate & resilience
Subject
Climate & greenhouse gas mitigation
Study type
Research
Study design
Modelling study
Source type
Peer-reviewed study
Status
Published
Geography
United States
System type
Other
DOI
10.1038/s41558-018-0236-4
Catalogue ID
BFmokjodql-ecmbvj

Topic tags

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