Interim Review of the Florida Keys Carrying Capacity Study (2001) / Chapter Skim
Currently Skimming:
Technical Content of the Assessment Tool
Technical Content of the Assessment Tool
Pages 9-18
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From page 9... ...
Time- and space-averaged quantities will not always reveal critical information. For example, the nearly instantaneous effect of a heavy rainfall event on water quality and public bathing in the halo zone may be a significant output.
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From page 10... ...
All of these functions will need to be accomplished successfully if the overall carrying capacity study is to be successful. The module, as described and presented by the project team, is not now sufficiently developed to accomplish these crucial tasks.
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From page 11... ...
The module design team should identify sites that are the most realistic redevelopment targets and then design several redevelopment scenarios to assess the impacts of build-out to maximum allowable densities and intensities on the human and natural environments. To c30 so this module will need to accept input parameters that reflect potential amendments to land development regulations or changes to comprehensive plans and future land use maps.
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From page 12... ...
For example, a clustered, zero-lot-line project, with stormwater source controls and substantial open space, may be more environmentally benign than a subdivision on conventional quarter acre lots with engineered stormwater retention or detention systems. Developments with the same numbers of dwelling units can have significantly different occupancy rates and can attract substantially different types of residents whose impacts on the natural environment and on public facilities and infrastructure may also be significantly different.
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From page 13... ...
should be expanded to include individuals conversant with aesthetic, socio-economic, quality-oflife, and community character issues and those knowledgeable about relevant design and performance standards that mav be incorporated in future land development regulations. 1 (A WATER AND WASTEWATER MODULE The original scope of work required the Keys Study to "describe site specific interactions between geology, surface water, coastal water, land use, nutrients, pollutants, runoff, erosion, and vessels." This is a tall order, and central to achieving it will be understanding the nature of water flows throughout the Keys.
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From page 14... ...
It is unclear what final parameters will be generated to evaluate the Florida Keys carrying capacity based on aquatic water quality. The focus area seems to be the halo zone, 50100 m of salt water adjacent to the islands' beaches (defined at the January workshop as water approximately ~ m deep or less)
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From page 15... ...
The contractor should continue to seek out the best available data sources for items such as stormwater event mean concentrations or wastewater treatment performance measures. The use of these data, however, must be qualified by their inherent variability.
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From page 16... ...
The species chosen include federally listed endangered species (both threatened and endangered) , a rare-plant community complex, a suite of fruit-producing species (incorrectly described as keystone species)
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From page 17... ...
Three main metrics were identified for marine ecosystems: seagrass cover, water clarity, and contaminant loads. Because the data are relatively sparse and the diversity of marine fauna is high, the module design team decided to focus on a process-oriented approach rather than a species-specific approach as used in the terrestrial module.
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From page 18... ...
Because the marine module design team's approach so far is spatially explicit and does not consider temporal aspects, the assessment toot will be able to provide only a basic visualization of relative degrees of impact and fragmentation from future development, and only for a limited marine community. For example, the current approach would produce a too]
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