Motors flood, erode their bearings, catch fire, never at an opportune moment.
As the floods eroded loess and bedrock from former valley divides, a great plexus of scoured channel ways known collectively as the Channeled Scabland was formed.
For years after the eruption, as heavy rainfall and flooding eroded the thick pyroclastic deposits, recurring mudflows buried towns and farm fields, destroyed roads and bridges, and displaced more than 100,000 people.
Climate change may influence hydrologic processes of watersheds (IPCC, 2013) and increased runoff may cause flooding, eroded stream banks, widening of stream channels, increased pollutant loading, and consequently impairment of aquatic life.
"We've got the flooding, eroding and sinking of the community.
About 175 years ago, the surface ridge could no longer be supported mechanically on its landward end, perhaps due to a glacial outburst flood that eroded the esker.
On Sunday, the rushing waters flooded and eroded the valley's main road, Route 73, buckling it as if there had been an earthquake.
While many have been well managed, some have triggered uncontrolled water runoff, flooded pastures, eroded land and pumped large amounts of salty water into streams and creeks.
A few minutes later, the governor's motorcade reached Williams Street, where floods had eroded the foundations of homes, which looked shipwrecked on soggy lawns.
The side valleys were protected from the violent currents of the main channel; as a result the flood strata laid down by earlier floods were not eroded away by subsequent floods, but were buried and preserved.
