SFFDSan Francisco Fire Department
SFFDSanta Fe Fire Department (Santa Fe, NM)
SFFDSingle Fiber Fault Detection (computer networking)
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References in periodicals archive ?
Water quality data for the SFFD Watershed was obtained from the Environmental Protection Agency's (EPA) STORET Central Warehouse (EPA.
First, establish that growth and development in the SFFD Watershed has similar characteristics with studies that provide statistical evidence of a relationship between urban sprawl and negative impacts on water quality (Interlandi and Crockett, 2003; Tu et al., 2007; Tu, 2011, 2013).
This is the same pattern that has occurred in the SFFD watershed over a 10-year time frame, though on a smaller scale.
Again, the same pattern of growth is occurring in the SFFD watershed at a smaller level.
In addition, graphical representations of the relationships between water quality indicators and changes in land-use and population in the study area also provide evidence of the similarities between previously mentioned studies and the SFFD watershed.
This presented information should now serve as a proxy for the relationship between sprawl and water quality; as sprawl increases this should have a negative impact on water quality in the SFFD watershed.
In order to test whether any significant changes in water quality had occurred across the SFFD watershed, a KruskalWallis test (non-parametric ANOVA) was employed.
Outcomes from previous statistical procedures indicate that significant changes between sub-basins were not strongly influenced by any substantial changes of water quality within the sub-basins over time, but were probably caused by the cumulative effect of pollutants in the SFFD River flowing downstream.
Through the use of graphical representation and listing similarities between the study area and aforementioned studies on the effect of sprawl and water quality a conclusion can be drawn on the possible influence of development on water quality in the SFFD watershed.
In order to determine changes in water quality over space and time throughout the SFFD watershed, Kruskal-Wallice and Wilcoxon Signed Rank tests were employed.
Finally, stormwater and wastewater influx into the SFFD may be well controlled and sufficient for the increased development and population growth.
In the SFFD watershed, even though population, developed land, and undeveloped land have increased and the amount of agricultural land has decreased, water quality has not significantly changed.