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Author: Francis E. Greulich
Publisher:
ISBN:
Category :
Languages : en
Pages : 8
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Book Description
Author: Francis E. Greulich
Publisher:
ISBN:
Category :
Languages : en
Pages : 8
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Book Description
Author: Francis E. Greulich
Publisher:
ISBN:
Category : Airtankers (Forest fire control)
Languages : en
Pages : 12
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Book Description
Fire managers face two interrelated problems in deciding the most efficient use of air tankers: where best to base them, and how best to reallocate them each day in anticipation offireoccurrence. A computerized model based on a mixed integer linear program can help in assigning air tankers throughout the fire season. The model was tested using information from California Division (now Department) of Forestry District I, which in 1967 maintained a fleet of five aircraft and three air bases. The results confirmed the soundness of the model's mathematical structure and demonstrated that a computer program can be written to interpret the solution to this resource allocation problem.
Author: J. E. Maloney
Publisher: Department of the Environment, Canadian Forestry Service : Information Canada
ISBN:
Category : Aeronautics in forest fire control
Languages : en
Pages : 44
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Book Description
Author: Charles W. George
Publisher:
ISBN:
Category : Airtankers (Forest fire control)
Languages : en
Pages : 16
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Book Description
Author: R. G. Newstead
Publisher: Northern Forestry Centre, Canadian Forestry Service
ISBN:
Category : Aeronautics in forest fire control
Languages : en
Pages : 48
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Book Description
Author: James Eugene Maloney
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Edward G. Keating
Publisher: Rand Corporation
ISBN: 9780833076779
Category : Computers
Languages : en
Pages : 0
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Book Description
"An aging fleet of contracted fixed-wing airtankers and two fatal crashes in 2002 led the U.S. Forest Service to investigate how to recapitalize its fleet of airtankers. The Forest Service asked RAND for assistance in determining the composition of a fleet of airtankers, scoopers, and helicopters that would minimize the total social costs of wildfires, including the cost of large fires and aircraft costs. The research team developed two separate but complementary models to estimate the optimal social cost-minimizing portfolio of initial attack aircraft -- that is, aircraft that support on-the-ground firefighters in containing a potentially costly fire while it is still small. The National Model allocates aircraft at the national level, incorporating data on ten years of historical wildfires, and the Local Resources Model provides a more nuanced view of the effect of locally available firefighting resources, relying on resource allocation data from the Forest Service's Fire Program Analysis system. Both models favor a fleet mix dominated by water-carrying scoopers, with a niche role for retardant-carrying airtankers. Although scoopers require proximity to an accessible body of water, they have two advantages: shorter cycle times to drop water and lower cost. Two uncertainties could affect the overall optimal fleet size, however: future improvements in the dispatch of aircraft to fires and the value attributed to fighting already-large fires with aircraft."--P. [4] of cover.
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 294
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Book Description
Author:
Publisher:
ISBN: 9780833079725
Category : Aeronautics in wildfire control
Languages : en
Pages : 114
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Book Description
"An aging fleet of contracted fixed-wing airtankers and two fatal crashes in 2002 led the U.S. Forest Service to investigate how to recapitalize its fleet of airtankers. The Forest Service asked RAND for assistance in determining the composition of a fleet of airtankers, scoopers, and helicopters that would minimize the total social costs of wildfires, including the cost of large fires and aircraft costs. The research team developed two separate but complementary models to estimate the optimal social cost-minimizing portfolio of initial attack aircraft -- that is, aircraft that support on-the-ground firefighters in containing a potentially costly fire while it is still small. The National Model allocates aircraft at the national level, incorporating data on ten years of historical wildfires, and the Local Resources Model provides a more nuanced view of the effect of locally available firefighting resources, relying on resource allocation data from the Forest Service's Fire Program Analysis system. Both models favor a fleet mix dominated by water-carrying scoopers, with a niche role for retardant-carrying airtankers. Although scoopers require proximity to an accessible body of water, they have two advantages: shorter cycle times to drop water and lower cost. Two uncertainties could affect the overall optimal fleet size, however: future improvements in the dispatch of aircraft to fires and the value attributed to fighting already-large fires with aircraft."--Page 4 of cover.
Author: Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 152
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Book Description
