Summary
Geologic hazards are those natural geologic processes or man-made geologic conditions that represent a present-day or future hazard to man's life, health, or property. Planning for development of a region requires a thorough study of all the geologic hazards and an assessment of their potential impact upon proposed land uses. A program is now under way in the State of Oklahoma to prepare a series of regional maps showing geologic hazards. Data are compiled from all available sources onto large-scale base maps and aerial photographs, and these data then are transferred to, and published on, regional maps, normally at scales of 1∶250,000 to 1∶750,000. Natural geologic hazards important in Oklahoma include earthquakes, landslides, expansive soils, floods, karst terrain, and salt dissolution. Man-made geologic hazards important in Oklahoma include underground mining, strip mining, and disposal of industrial wastes.
Résumé
Les risques géologiques sont ces processus naturels ou provoqués par l'homme qui représentent un danger immédiat ou futur pour la vie, la santé, ou la propriété de l'homme. Envisager le développement d'une région nécessite une étude complète de tous les risques géologiques et une évaluation de leurs impacts potentiels sur l'utilisation proposée de ces terres. On entreprend actuellement un programme, dans l'état d'Oklahoma, qui consiste à préparer une série de cartes régionales présentant les risques géologiques. Des informations provenant de toutes les sources disponibles sont cartographiées sur des plans de base à grande échelle et sur des photographies aériennes et ces informations sont ensuite reportées et publiées sur des cartes régionales à des échelles variant normalement de 1∶250 000 à 1∶750 000. Les risques géologiques naturels importants en Oklahoma comprennent les tremblements de terre, glissements de terrain, poussées telluriques, inondations, terrain karstique, et dissolution saline. Les risques géologiques provoquées par l'homme importants en Oklahoma comprennent les extractions minières souterraines, à ciel ouvert, et le stockage des déchets industriels.
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References
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Johnson, K.S., Luza, K.V. Preparation of regional maps showing natural and man-made geologic hazards. Bulletin of the International Association of Engineering Geology 23, 15–19 (1981). https://doi.org/10.1007/BF02594721
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DOI: https://doi.org/10.1007/BF02594721