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Clean Water Act Section 401: Background and Issues

Description: Section 401 of the Clean Water Act requires that an applicant for a federal license or permit provide a certification that any discharges from the facility will comply with the Act, including water quality standard requirements. Disputes have arisen over the states' exercise of authority under Section 401. Until recently, much of the debate over the Section 401 certification issue has been between states and hydropower interests. A 1994 Supreme Court decision which upheld the states' authority … more
Date: October 4, 1998
Creator: Copeland, Claudia
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Economic Analysis of Energy Crop Production in the U.S. - Location, Quantities, Price, and Impacts on Traditional Agricultural Crops

Description: POLYSYS is used to estimate US locations where, for any given energy crop price, energy crop production can be economically competitive with conventional crops. POLYSYS is a multi-crop, multi-sector agricultural model developed and maintained by the University of Tennessee and used by the USDA-Economic Research Service. It includes 305 agricultural statistical districts (ASD) which can be aggregated to provide state, regional, and national information. POLYSYS is being modified to include switc… more
Date: October 4, 1998
Creator: Walsh, M.E.; De La Torre Ugarte, D.; Slinsky, S.; Graham, R.L.; Shapouri, H. & Ray, D.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Plasma Signatures of Radial Field Power Dropouts

Description: A class of small scale structures, with a near-radial magnetic field and a drop in magnetic field fluctuation power, have recently been identified in the polar solar wind. An earlier study of 24 events, each lasting for 6 hours or more, identified no clear plasma signature. In an extension of that work, radial intervals lasting for 4 hours or more (89 in total), have been used to search for a statistically significant plasma signature. It was found that, despite considerable variations between … more
Date: October 4, 1998
Creator: Lucek, E.A.; Horbury, T.S.; Balogh, A. & McComas, D.J.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Factors for Bioenergy Market Development

Description: Focusing on the development of the whole bioenergy market rather than isolated projects, this paper contributes to the identification of barriers and drivers behind bioenergy technology implementation. It presents a framework for the assessment of the potentials for bioenergy market growth to be used by decision makers in administration and industry. The conclusions are based on case studies of operating bioenergy markets in Austria, US and Sweden. Six important factors for bioenergy market gro… more
Date: October 4, 1998
Creator: Roos, A.; Hektor, B.; Graham, R.L. & Rakos, C.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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