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Changing flood types reshape Europe’s flood-rich eras
Europe’s 1960–2010 flood-rich and flood-poor periods track shifts among rainfall-on-dry, rainfall-on-wet, rain-on-snow, and snowmelt floods, not rainfall totals alone.
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What four flood-generation classes were used?
Rain.Dry, Rain.Wet, Rain.Snow, and Snowmelt.
Source: Shifts in flood generation processes exacerbate regional flood anomalies in Europe · DOI · quote verified
How did North vs Northwest Europe flood anomalies change?
South and North went flood-rich to flood-poor; Northwest went the opposite way.
Source: Shifts in flood generation processes exacerbate regional flood anomalies in Europe · DOI · quote verified
What fraction of catchments had at least one flood anomaly?
33% overall; highest in the Mediterranean (40.1%).
Source: Shifts in flood generation processes exacerbate regional flood anomalies in Europe · DOI · quote verified
What Atlantic process shift aligned with flood-rich conditions?
From more Rain.Dry toward more Rain.Wet events, by about 5%.
Source: Shifts in flood generation processes exacerbate regional flood anomalies in Europe · DOI · quote verified
What Northern process shift aligned with flood-poor conditions?
From more Snowmelt toward more Rain.Wet, by about 2.5%.
Source: Shifts in flood generation processes exacerbate regional flood anomalies in Europe · DOI · quote verified
Do 1-day rainfall maxima explain anomalies as well as 7-day?
No; 1-day precipitation contributes less in all cases.
Source: Shifts in flood generation processes exacerbate regional flood anomalies in Europe · DOI · quote verified
How many catchments entered anomaly detection?
1353 with ≥40 years of annual maxima in 1960–2010.
Source: Shifts in flood generation processes exacerbate regional flood anomalies in Europe · DOI · quote verified
What hydrologic model supplied soil moisture?
mHM on a 5 km grid forced by downscaled E-OBS, 1960–2010.
Source: Shifts in flood generation processes exacerbate regional flood anomalies in Europe · DOI · quote verified
How many catchments are in the four regions?
Northern 124, Atlantic 477, Mediterranean 182, Central-Alpine 570.
Source: Shifts in flood generation processes exacerbate regional flood anomalies in Europe · DOI · quote verified
What Mediterranean ‘worst of both worlds’ is noted?
Mostly negative flood-magnitude trends yet large (100-year) floods decreased less.
Source: Shifts in flood generation processes exacerbate regional flood anomalies in Europe · DOI · quote verified
Over what period were floods classified?
1960 to 2010 annual maximum floods.
Source: Shifts in flood generation processes exacerbate regional flood anomalies in Europe · DOI · quote verified