Topographic Map of Walker Branch Watershed

Photographs & Maps

Topographic Map

Topographic Map

Soils Map

This Walker Branch Watershed soils map was compiled based on studies by D. A. Lietzke. The reference grid is ORNL coordinates with a nominal spacing of 264 feet. The contour interval is 10 feet. This map is explained further in the following report:

Lietzke, D. A. 1994. Soils of Walker Branch Watershed. ORNL/TM-11606. Oak Ridge National Laboratory, Oak Ridge, Tennessee.

Soils Map

Aerial Photograph of the Watershed

This aerial photograph was taken at an altitude of 7200 feet on 9 Apr 1993. The watershed boundaries are shown. Clearings within the boundaries of the watershed are precipitation and deposition monitoring stations.

Aerial Photo of Watershed 1993

Aerial Photograph Showing Facility Locations

The watershed boundaries and the locations of key experimental facilities are shown.

Aerial Photograph Showing Facility Locations

Forest Inventory Plots

This map shows the location of forest inventory plots established in 1967 on Walker Branch Watershed watershed. Remeasurement of the plots was performed in 1970, 1973, 1979, 1983, 1991, 1997, and 2006.

Forest Inventory Plots

Spring Canopy Closure Above Stream

This series of photos (by B. J. Roberts) presents a time sequence of spring leafout along the West Fork.
(30 March to 27 April 2005)

Forest Inventory Plots

Historical Land Use

The land use history of Walker Branch Watershed is based on 1935 aerial photographs and other records including interviews with previous residents.

Dale, V.H., L.K. Mann, R.J. Olson, D.W. Johnson, and K.C. Dearstone. 1990. The long-term influence of past land use on the Walker Branch forest. Landscape Ecology 4: 211-224.

Historical Land Use 1935

PHOTOGRAPHS - HISTORICAL

Photographs for the Walker Branch Watershed research area from 1935 through 1998.

Historic Aerial Photos