Geology_Fundamentals

Geology_Fundamentals - Case History - Easter Island's...

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Subject: Environmental Geology Geology • interdisciplinary - chemistry, physics, biology • Environmental Geology = applied geology - minimize degradation, maximimize beneficial results of our Five Fundamental Concepts Human Population Growth • Sustainability of Resources (for future generations) • Earth is a group of interacting systems - geo, hydro, bio, atmo -spheres • Geohazards (Nature) - earthquakes, tsunamis, volcanoes, etc. • Use of scientific method/knowledge
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Unformatted text preview: Case History - Easter Island's Demise small volcanic island, west of South America subtropical, populated in 1500s 16th c, 15000-30000 people 17th c, only 2000 people left overpopulation, deforestation, soil erosion, loss of agricultural base, conflicts/wars, etc. General Factoids. Earth - geospatially isolated in universe Population explosion = exponential growth Limited resources - energy, soil, fresh water, forests, fisheries, rangeland Global environment = conflicts & integrated resolution be aware of limited resources & need for sustainability History Earth is 4.6 BY old...
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Geology_Fundamentals - Case History - Easter Island's...

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