Ulf Erlingsson

Title: PhD

Former Partner

Present Position: CEO of Lindorm, Inc., Miami, Florida, USA

Professional area: Doctor of Physical Geography.

Specialities: Geomorphology, sediments, under water studies. Sediment erosion, transport, and deposition in reservoirs, lakes, coast and sea. Floating peat islands. Natural hazards theory.

Education: PhD 1990, Dept of Physical Geography, Uppsala University. BSc 1984, Geosciences, Lund University.

Key techniques and methods: Side scan sonar, sediment echo sounding, depth surveying, computer mapping, GIS, computer modelling, electronic measurement, multimedia, and digital publishing. Invented and constructed the Sedimeter. Planned and equipped the "Akusta" research vessel with acoustic survey equipment at Uppsala University.

Key projects: Floating islands in the Arenal Reservoir, Costa Rica. Supervisor on the spill monitoring programme from dredgings for the Öresund Link. Effects of flushing in the Cachí Reservoir, Costa Rica. Designed and developed a Geographic Decision Support System for quantitative natural hazard risk assessment and mitigation, for the government of Nicaragua (HazMit). Marine geological mapping and under-water surveying of polluted sediments in the Örserum Bay at Västervik, Sweden.

Awards: Linnaeus prize 1991 from Royal Society of Sciences, Uppsala.

Languages: Swedish, English, French, Spanish.

Selected papers and reports

Erlingsson, U., 1990: Geomorphological development of the bottoms off Österlen, southernmost Sweden. UNGI Rapport 76, 136 p. (doctoral thesis).

Erlingsson, U., 1991: A sensor for measuring erosion and deposition. Journal of Sedimentary Petrology, Vol. 61, Nr. 4, pp. 620-623. (Part of it is here)

Erlingsson, U., 1991: An approach towards a geomorphological and sedimentological model for offshore areas, exemplified from SkÂne. Proc. Second Marine Geological Conference-The Baltic, Rostock-Warnemünde, Institut für Meereskunde.

Norrman, J.O. and Erlingsson, U., 1992: The Submarine Morphology of Surtsey Volcanic Group. Surtsey Research Progress Report , Vol. X, pp. 45-56.

Erlingsson, U., 1992: Survey with side-scan sonar and sub-bottom profiler. Repeated depth soundings. In: Jansson, M. and Sundborg, Å., (eds.): Sedimentological studies of the Cachí Reservoir, Costa Rica. Sediment inflow, reservoir sedimentation and effects of flushing. UNGI Rapport Nr 81, pp. 101-110, 111-118. (Hay tambien en Español)

Erlingsson, U., 1993: UGIS - a University GIS Network around the Baltic Sea. Abstracts of papers, GIS-Baltic Sea States conference '93, pp. 164-168.

Erlingsson, U., 1994: The 'Captured Ice Shelf' hypothesis and its applicability to the Weichselian glaciation. Geogr Ann Ser A, Vol. 76, Nr. 1, pp. 1-12. (Abstract available)

Erlingsson, U., 1994: A computer model along a flow-line of an Ice Dome-'Captured Ice Shelf'. Geogr Ann Ser A, Vol. 76, Nr. 1, pp. 13-24. (Abstract available)

Erlingsson, U., and Norrman, J.O., 1994: Wave Sediment Transport Modelling applied to the Surtsey Tephra Cones. Abstract. Proceedings of the Hornafj–rdur International Coastal Symposium, Iceland, June 20-24, p. 361.

Erlingsson, U., 1996: Studies of Bottom Morphology by Acoustic Surveying. The Problem with Floating Peat Islands. In: The Arenal Reservoir Project, pp. 67-79, 80-106. AB Hydroconsult, Uppsala.

Erlingsson, U., 1998: Development of Methods for Nearshore Sediment Transport and Sorting Studies as Applied in Southernmost Sweden, Baltic Sea. Journal of Coastal Research, Special Issue No. 26: Preceedings of the International Coastal Symposium ICS98, pp. 107-114.

Jansson, M.B., and Erlingsson, U., 2000: Measurements and Calculations of Sedimentation in a Flushed Reservoir Resulting in a Sediment Budget.Regulated Rivers: Research and Management, Vol. 16, pp 279-306.

Erlingsson, U., 2000: Under water investigations as a preparation of dredging of ÷rserum Bay, municipality of V‰stervik (in Swedish). AB Hydroconsult, Uppsala. 12 pp plus a CD with GIS data files.

Erlingsson, U., Coone, T., Leonelli, M., Gutierrez, M.A., Valle, M., 2001: Mapeo de Riesgos Naturales en Nicaragua. Volumen II. ("Mapping of Natural Risks in Nicaragua"; in Spanish.)