Sentences with phrase «flood peak»

As the trees age and the forests become more mature and complex up to 100 years post planting there are larger reductions in flood peak height.

Villarini, G., F. Serinaldi, J. A. Smith, and W. F. Krajewski, 2009: On the stationarity of annual flood peaks in the continental United States during the 20th century.

The flood ratio map for Hurricane Ike (2008) shows areas in yellow and orange that approach or exceed 10 - year flood peaks at their respective stream gauge stations.

But in addition to purifying the water, these floodplains fulfil an important role during emergencies: they retain the water for as long as possible within their boundaries, hence alleviating flood peaks.

They pooled data from more than 4,000 flood gauges from 38 European countries and looked at how the date of the highest flood peak of the year had changed since 1960.

These modified exposure layers are then used within the risk assessment framework to estimate the impact of future flood peaks and their corresponding inundation depths.

They also found that for more extensive floodplain forest and river restoration, for example in 20 — 25 per cent of the total river length resulted in a reduction in flood peak height of up to 20 per cent.

This keeps the flood storage to minimum levels hence the magnitude of the flood peak can remain unchanged for long river reaches.

He notes that seasonal analysis revealed that most of the flood peaks in the upper Midwest occur in the spring and stem primarily from snow melt, rain falling on frozen ground and rain - on - snow events.