Hurricane-induced landslide activity on an alluvial fan along Meadow Run, Shenandoah Valley, Virginia (eastern USA)
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Abstract
Although intense rainfall and localized flooding occurred as Hurricane Isabel tracked inland northwestardly across the Blue Ridge Mountains of central Virginia on September 18–19, 2003, few landslides occurred. However, the hurricane reactivated a dormant landslide along a bluff of an incised alluvial fan along Meadow Run on the western flanks of the Blue Ridge Mountains. Subsequent monitoring showed retrogressive movement involving several landslide blocks for the next several months. Using dendrochronology, aerial photography, and stream discharge records revealed periods of landslide activity. The annual variation of growth rings on trees within the landslide suggested previous slope instability in 1937, 1972, 1993, 1997, and 1999, which correlated with periods of local flood events. The avulsive and migrating nature of Meadow Run, combined with strong erosional force potential during flood stages, indicates that landslides are common along the bluff-channel bank interface, locally posing landslide hazards to relatively few structures within this farming region.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Hurricane-induced landslide activity on an alluvial fan along Meadow Run, Shenandoah Valley, Virginia (eastern USA) |
| Series title | Landslides |
| DOI | 10.1007/s10346-005-0029-5 |
| Volume | 3 |
| Year Published | 2006 |
| Language | English |
| Publisher | Springer |
| Contributing office(s) | Eastern Geology and Paleoclimate Science Center |
| Description | 22 p. |
| First page | 95 |
| Last page | 106 |
| Country | United States |
| State | Virginia |
| Other Geospatial | Meadow Run, Shenandoah Valley |
| Google Analytic Metrics | Metrics page |