On the use of indices to study extreme precipitation on sub-daily and daily timescales
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Date
2019-12
Publication Type
Journal Article
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yes
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Abstract
While there are obstacles to the exchange of long-term high temporal resolution precipitation data, there have been fewer barriers to the exchange of so-called 'indices'. These are derived from daily and sub-daily data and measure aspects of precipitation frequency, duration and intensity that could be used for the study of extremes. This paper outlines the history of the rationale and use of these indices, the types of indices that are frequently used and the advantages and pitfalls in analysing them. Moving forward, satellite precipitation products are now showing the potential to provide global climate indices to supplement existing products using longer-term in situ gauge records but we suggest that to advance this area differences between data products, limitations in satellite-based estimation processes, and the inherent challenges of scale need to be better understood.
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Publication status
published
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Book title
Journal / series
Volume
14 (12)
Pages / Article No.
125008
Publisher
IOP Publishing
Event
Edition / version
Methods
Software
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Date collected
Date created
Subject
Climate indices; Precipitation extremes; Observations
Organisational unit
03778 - Seneviratne, Sonia / Seneviratne, Sonia
Notes
Funding
617518 - Land-Climate Interactions: Constraints for Droughts and Heatwaves in a Changing Climate (EC)