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Earth Sciences

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Full-Text Articles in Natural Resources Management and Policy

Logistic Curves, Extraction Costs And Peak Oil, Robert Brecha Jan 2016

Logistic Curves, Extraction Costs And Peak Oil, Robert Brecha

Robert J. Brecha

Debates about the possibility of a near-term maximum in world oil production have become increasingly prominent over the past decade, with the focus often being on the quantification of geologically available and technologically recoverable amounts of oil in the ground. Economically, the important parameter is not a physical limit to resources in the ground, but whether market price signals and costs of extraction will indicate the efficiency of extracting conventional or nonconventional resources as opposed to making substitutions over time for other fuels and technologies. We present a hybrid approach to the peak-oil question with two models in which the …

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Application Of A Cave Inventory System To Stimulate Development Of Management Strategies: The Case Of West-Central Florida, Usa, Leslie North Sep 2011

Application Of A Cave Inventory System To Stimulate Development Of Management Strategies: The Case Of West-Central Florida, Usa, Leslie North

Leslie North

The active management of air-filled cave systems is virtually non-existent within the karst landscape of west-central Florida. As in every karst landscape, caves are important because they contain a wide variety of resources (e.g., biota, speleothems) and can act as direct connections between surface and subsurface hydrological processes, potentially exacerbating the pollution of groundwater. Before sound management policies can be drafted, implemented, and enforced, stakeholders must first have knowledge of the management requirements of each cave. However, there is an informational disconnect between researchers, stakeholders, and the recreational caving community. Here, we present a cave inventory system that …

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An Assessment Of Coastal Land-Use And Land-Cover Change From 1974-2008 In The Vicinity Of Mobile Bay, Alabama, Jean Ellis, Joseph Spruce, Roberta Swann, James Smoot, Kent Hilbert Dec 2010

An Assessment Of Coastal Land-Use And Land-Cover Change From 1974-2008 In The Vicinity Of Mobile Bay, Alabama, Jean Ellis, Joseph Spruce, Roberta Swann, James Smoot, Kent Hilbert

Jean Taylor Ellis

No abstract provided.

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