Debris-flow hazards in areas affected by the June 27, 1995, storm in Madison County, Virginia

1997 ◽  
Author(s):  
B.A. Morgan ◽  
G.F. Wieczorek ◽  
R.H. Campbell ◽  
P.L. Gori
Keyword(s):  
Debris Flow ◽  
Madison County

Debris-flow hazards in the Blue Ridge of central Virginia

2000 ◽  
Vol 6 (1) ◽  
pp. 3-23 ◽  
Author(s):  
G. F. Wieczorek ◽  
B. A. Morgan ◽  
R. H. Campbell
Keyword(s):  
Debris Flow ◽  
Debris Flows ◽  
Rainfall Intensity ◽  
Granitic Rocks ◽  
Blue Ridge ◽  
Eastern United States ◽  
Storm Events ◽  
Gis Technology ◽  
Madison County ◽  
Physical Examinations

Abstract The June 27, 1995, storm in Madison County, Virginia produced debris flows and floods that devastated a small (130 km 2 ) area of the Blue Ridge in the eastern United States. Although similar debris-flow inducing storm events may return only approximately once every two thousand years to the same given locale, these events affecting a similar small-sized area occur about every three years somewhere in the central and southern Appalachian Mountains. From physical examinations and mapping of debris-flow sources, paths, and deposits in Madison County, we develop methods for identifying areas subject to debris flows using Geographic Information Systems (GIS) technology. We examined the rainfall intensity and duration characteristics of the June 27, 1995, and other storms, in the Blue Ridge of central Virginia, and have defined a minimum threshold necessary to trigger debris flows in granitic rocks. In comparison with thresholds elsewhere, longer and more intense rainfall is necessary to trigger debris flows in the Blue Ridge.

A Rural County Speech and Language Program

1977 ◽  
Vol 8 (4) ◽  
pp. 250-255 ◽  
Author(s):  
Hildegarde Traywick
Keyword(s):  
Public Schools ◽  
Speech And Language ◽  
Rural County ◽  
Language Program ◽  
The Public ◽  
Madison County

This paper describes the organization and implementation of an effective speech and language program in the public schools of Madison County, Alabama, a rural, sparsely settled area.

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