A Process for Setting, Managing, and Monitoring Environmental Windows for Dredging Projects Special Report 262 (2002) / Chapter Skim
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1 Introduction
1 Introduction
Pages 9-12
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From page 9... ...
Environmental windows are one of a number of management and technological tools that can be used individually or in combination to reduce the environmental impacts of dredging and disposal operations on living resources, aesthetics, and recreation and tourism. This report presents the findings and recommendations of a committee of experts formed to examine the decision-making process for establishing environmental windows and provide recommendations for improving the process.
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From page 10... ...
In these cases, the agencies that are charged with protecting public resources have historically adopted a conservative or risk-averse approach, resulting in recommendations for narrow dredging windows. The establishment of envi ronmental windows also frequently involves multiple state and federal agencies that may follow different procedures in recommending windows.1 Since the passage of the National Environmental Policy Act in 1969, resource agencies have requested environmental restrictions with increasing frequency.
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From page 11... ...
Moreover, USACE questioned the scientific validity of establishing windows in the absence of definitive scientific information, and called for greater consistency, predictability, and reliability in the process. Purpose Given the above concerns, USACE asked the National Research Council's Transportation Research BoardMarine Board to undertake an examination of the application of environmental dredging windows in federal navigation projects; this effort was conducted in collaboration with the Ocean Studies Board.
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From page 12... ...
It is anticipated that the workshop will have several panels covering topics such as: the wide range of laws and regulations establishing bases for various pro tection measures; knowns and unknowns about the biological conse quences of alternate dredging methodologies; new developments in dredging techniques; better (and worse) examples of decision making for windows in different regions; models of collaborative decision making in other environmental and transportation areas; and tools (processes, ana lytical models, etc.)
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