286
J.C. Ritchie
Samarakoon, L., Ogawa, S., Ebisu, N., Lapitan, R., Kohki, Z.: Inferences oflandslide susceptible areas
by Landsat Thematic Mapper data. Wallingford, England: International Association of Hydrological Sciences, Pub. No. 217, 83-90 (1993)
Seubert, C.E., Baumgardner, M.F. Weismiller, R.A., Kirschner, F.R.: Mapping and estimating areal
extent of severely eroded soil of selected sites in northern Indiana 1979 Symposium on Machine
Processing of Remotely Sensed Data, West Lafayette, Indiana: Purdue University (1979)
Sneddon, J., Lutze, T.A.: Close-range photograrnmetic measurement of soil erosion in course-grained
soils. Photograrnmetric Engr. Remote Sens. 55, 597-600 (1989)
Sombroek, W.: Soil degradation and contamination: A global perspective. Soil and Environ. 5, 3-13
(1995)
Spomer, R.o., Mahurin, R.L.: Time-lapse remote sensing for rapid measurement of changing
landforms. J. Soil Water Conserv. 39,397-401 (1984)
Spomer, R.G., Mahurin, R.L., Piest, R.F.: Soil erosion, deposition and sediment yield from Dry Creek,
Basin, Nebraska Trans. Amer. Soc. Agric. Engr. 29,489-493 (1986)
Stephens, P.R., Cihlar, J.: Mapping soil erosion in New Zealand and Canada In: Johannsen, C.J.,
Sanders, J.L. (eds) Remote sensing for resource management, Ankeny, Iowa: Soil Conservation
Society of America, pp. 232-242 (1982)
Stephens, P.R., MacMillian, J.K., Daigle, J.L., Cihlar, J.: Use of sequential aerial photographs to detect
and monitor soil managernent changes affecting cropland soil erosion. J. Soil Water Conserv. 37,
101-105 (1982)
Stephens, P.R., MacMillian, J.K., Daigle, J.L., Cihlar, J.: Estimating Universal Soil Loss Equation
factor values with aerial photography. J. Soil Water Conserv. 40, 293-296 (1985)
Thomas, A.W., Welch, R.: Measurernent of ephemeral gully soil erosion. Trans. Amer. Soc. Agric.
Engr. 31, 1723-1728 (1988)
Walling, D.E.: The sediment delivery problem. J. Hydro!. 65, 209-237 (l983)
Walling, D.E.: Rainfall, runoff, and soil erosion of the land: a global review, In: Gregory, K.J. (ed.),
Energetics of the Physical Environment, Chichester, England: J. Wiley and Sons, Ltd., pp. 89-117
(1987)
Walling, D.E.: Sediment yield investigations: A perspective 011 recent developments and future needs.
Proc. Fourth International Symposium on River Sedimentation, Beijing, China (1990)
Welch, R., Jordan, T.R.: Analytical non-metric close-range photogrammetry for monitoring stream
channel soil erosion. Photogrammetric Engr. Remote Sens. 49, 367-374 (1983)
Welch, R., Jordan, T.R., Thomas, A.W., Ellis, J.W.: Photograrnmetric techniques for monitoring soil
erosion. Department of Geography, University of Georgia, Athens, GA. Research Report No. IRC
093083 (1983)
Whiting, M.L., DeGloria, S.D. Benson, A.S., Wall, S. L.: Estimating conservation tillage residue using
aerial photography. J. Soil Water Conserv. 42, 130-132 (1987)
Wilson, D.A., McCourt, M.L., Humes, T.M.: Multi-ternporalland use analyses for soil erosion in
selected Prince Edwards Island (P.E.I.) Watersheds. International Geoscience and Remote Sensing
Symposium 1989, pp. 1979-1985 (1989)
Wischmeier, W.H., D.O. Smith, D.O.: Predicting rainfall soil erosion losses. Agr. Handbook No. 537,
Washington, DC: USDA (1978)
J.C. Ritchie
Samarakoon, L., Ogawa, S., Ebisu, N., Lapitan, R., Kohki, Z.: Inferences oflandslide susceptible areas
by Landsat Thematic Mapper data. Wallingford, England: International Association of Hydrological Sciences, Pub. No. 217, 83-90 (1993)
Seubert, C.E., Baumgardner, M.F. Weismiller, R.A., Kirschner, F.R.: Mapping and estimating areal
extent of severely eroded soil of selected sites in northern Indiana 1979 Symposium on Machine
Processing of Remotely Sensed Data, West Lafayette, Indiana: Purdue University (1979)
Sneddon, J., Lutze, T.A.: Close-range photograrnmetic measurement of soil erosion in course-grained
soils. Photograrnmetric Engr. Remote Sens. 55, 597-600 (1989)
Sombroek, W.: Soil degradation and contamination: A global perspective. Soil and Environ. 5, 3-13
(1995)
Spomer, R.o., Mahurin, R.L.: Time-lapse remote sensing for rapid measurement of changing
landforms. J. Soil Water Conserv. 39,397-401 (1984)
Spomer, R.G., Mahurin, R.L., Piest, R.F.: Soil erosion, deposition and sediment yield from Dry Creek,
Basin, Nebraska Trans. Amer. Soc. Agric. Engr. 29,489-493 (1986)
Stephens, P.R., Cihlar, J.: Mapping soil erosion in New Zealand and Canada In: Johannsen, C.J.,
Sanders, J.L. (eds) Remote sensing for resource management, Ankeny, Iowa: Soil Conservation
Society of America, pp. 232-242 (1982)
Stephens, P.R., MacMillian, J.K., Daigle, J.L., Cihlar, J.: Use of sequential aerial photographs to detect
and monitor soil managernent changes affecting cropland soil erosion. J. Soil Water Conserv. 37,
101-105 (1982)
Stephens, P.R., MacMillian, J.K., Daigle, J.L., Cihlar, J.: Estimating Universal Soil Loss Equation
factor values with aerial photography. J. Soil Water Conserv. 40, 293-296 (1985)
Thomas, A.W., Welch, R.: Measurernent of ephemeral gully soil erosion. Trans. Amer. Soc. Agric.
Engr. 31, 1723-1728 (1988)
Walling, D.E.: The sediment delivery problem. J. Hydro!. 65, 209-237 (l983)
Walling, D.E.: Rainfall, runoff, and soil erosion of the land: a global review, In: Gregory, K.J. (ed.),
Energetics of the Physical Environment, Chichester, England: J. Wiley and Sons, Ltd., pp. 89-117
(1987)
Walling, D.E.: Sediment yield investigations: A perspective 011 recent developments and future needs.
Proc. Fourth International Symposium on River Sedimentation, Beijing, China (1990)
Welch, R., Jordan, T.R.: Analytical non-metric close-range photogrammetry for monitoring stream
channel soil erosion. Photogrammetric Engr. Remote Sens. 49, 367-374 (1983)
Welch, R., Jordan, T.R., Thomas, A.W., Ellis, J.W.: Photograrnmetric techniques for monitoring soil
erosion. Department of Geography, University of Georgia, Athens, GA. Research Report No. IRC
093083 (1983)
Whiting, M.L., DeGloria, S.D. Benson, A.S., Wall, S. L.: Estimating conservation tillage residue using
aerial photography. J. Soil Water Conserv. 42, 130-132 (1987)
Wilson, D.A., McCourt, M.L., Humes, T.M.: Multi-ternporalland use analyses for soil erosion in
selected Prince Edwards Island (P.E.I.) Watersheds. International Geoscience and Remote Sensing
Symposium 1989, pp. 1979-1985 (1989)
Wischmeier, W.H., D.O. Smith, D.O.: Predicting rainfall soil erosion losses. Agr. Handbook No. 537,
Washington, DC: USDA (1978)