ABSTRACT
GOTTSCHALK 26.11. 1906 Lake Mills WI/USA 02.06. 1965 Falls Church VA/USA Louis Christian Gottschalk was a 1931 graduate of the University of Wisconsin, Madison WI. After having been engaged with the Wisconsin Geological Survey and the West Survey, he joined the Soil Conservation Service SCS, headed until 1951 its Sedimentation Division, from when until retirement in 1964 he was SCS division engineer at Arlington VA. He was member of the American Geophysical Union AGU and the recipient of the superior service award by the Secretary of Agriculture in 1964. Gottschalk became known through his contribution Reservoir sedimentation in the Handbook of applied hydrology, including 1. Introduction, 2. Problem, 3. Erosion, 4. Sediment from watersheds, 5. Sediment characteristics, 6. Trap efficiency of reservoirs, 7. Sediment distribution, 8. Sediment yield from watersheds, 9. Rates of reservoir sedimentation, and 10. Control of reservoir sedimentation. Dam construction results in reservoir sedimentation. The global replacement cost of storage lost to the sediment accumulation is tremendous, so that several dams were recently removed to free the river from the dam. The latter also changes the hydraulic flow characteristics and the sediment transport capacity, so that several sediment bypass tunnels were erected, by which a portion of the sediment inflow is flushed into the tailwater. Each dam erection has therefore, besides many advantages, this and other serious disadvantages, which must be critically considered prior to dam erection in terms of environmental impact and overall economy. Gottschalk’s chapter is one of the early accounts on this currently widely-accepted problem. Anonymous (1953). L.C. Gottschalk. Proc. 5th Hydraulics Conference Iowa: Frontispiece. P Anonymous (1955). Gottschalk, L.C. American men of science 9: 719. Science Press: Lancaster. Gottschalk, L.C. (1942). Sedimentation investigation of Carnegie Lake, Princeton NJ. Gottschalk, L.C. (1948). Analysis and use of reservoir sedimentation data. Proc. Conf. Federal Inter-Agency Sedimentation Denver: 131-138. Gottschalk, L.C., Brune, G.M. (1950). Sediment design criteria for the Missouri Basin loess hills. Report SCS-TP-97. US Soil Conservation Service: Milwaukee WI. Gottschalk, L.C. (1952). Measurement of sedimentation in reservoirs. Trans. ASCE 117: 59-71. Gottschalk, L.C. (1962). Effects of watershed protection measures on reduction of erosion and sediment damages in USA. IASH Publication 59: 426-450. Gottschalk, L.C. (1964). Sedimentation 1: Reservoir sedimentation. Handbook of applied hydrology 17: 1-34, V.T. Chow, ed. McGraw-Hill: New York.
