Introducing Problem Formulation and Spatial Analysis with an Example in Global Warming and Sea Level Rise
Autor: | Richard L. Orndorff |
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Rok vydání: | 2002 |
Předmět: | |
Zdroj: | Journal of Geoscience Education. 50:357-362 |
ISSN: | 2158-1428 1089-9995 |
DOI: | 10.5408/1089-9995-50.4.357 |
Popis: | Instructors in undergraduate science classes often teach skills and techniques by creating exercises that ask rather specific questions. Numerous authors have pointed to the need to help students develop quantitative skills using inquiry-based learning in the classroom. Here I present a purposefully broad question to meet this need. If ice sheets on Antarctica and Greenland were to melt, how much would sea level rise? A broad question leads to a simple mathematical solution. From ice sheet area and average thickness, densities of water and ice, and the radius of the earth, students arrive at an estimate of 73 meters for global sea level rise. Geographic information systems can be used to illustrate ramifications of sea level rise; hypothetical impacts include inundated landmasses, displaced populations, and loss of valuable agricultural land. |
Databáze: | OpenAIRE |
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