Alafia River Minimum Flows and Levels - Southwest Florida Water ...
Alafia River Minimum Flows and Levels - Southwest Florida Water ... Alafia River Minimum Flows and Levels - Southwest Florida Water ...
List of Tables Table 2-1. Major sub-basins within the Alafia River watershed, associated areas and minor USGS sub-basins included in the major sub-basins. ................2-17 Table 2-2. Land use and land cover (by percentage) changes in the Alafia River watershed (269,986 acres) for three time periods, 1972, 1990 and 1999..2-20 Table 2-3. Land use and land cover (by percentage) in the South Prong subbasin of the Alafia River watershed (88,303 acres) for three time periods, 1972, 1990 and 1999.................................................................................2-22 Table 2-4. Land use and land cover (by percentage) in the North Prong sub-basin of the Alafia River watershed (90,115 acres) for three time periods, 1972, 1990 and 1999...........................................................................................2-25 Table 2-5. Beginning Julian days for the Wet and Dry periods (Blocks 1 and 3) and ending date for the Wet period at five different gage stations in the SWFWMD..................................................................................................2-37 Table 2-6. Beginning and ending calendar dates for annual flow Blocks 1, 2, and 3 for the Alafia, Hillsborough, Myakka and Peace Rivers for non-leap years. Calendar dates apply for both non-leap years and leap years...................2-37 Table 2-7. Long-term USGS gage sites located within the Alafia River Watershed. ...................................................................................................................2-39 Table 2-8. Percent of area mined above three USGS gages in the Alafia River watershed. .................................................................................................2-52 Table 2-9. Results of Kendall's tau analysis on residuals (from various water quality parameters regressed against flow) versus time. Yellow shading indicates a statistically significant decreasing trend; blue shading indicates a statistically significant increasing trend. .....................................................2-79 Table 2-10. Results of Kendall's tau analysis on residuals (from various water quality parameters regressed against flow) versus time. Yellow shading indicates a statistically significant decreasing trend; blue shading indicates a statistically significant increasing trend. .....................................................2-80 Table 2-11. Results of Kendall's tau analysis on residuals (from various parameters regressed against flow) versus time. Yellow shading indicates a statistically significant decreasing trend; blue shading indicates a statistically significant increasing trend. .......................................................................2-81 Table 4-1. Beginning Julian Dates for the Wet and Dry periods (Blocks 1 and 3) and ending Date for the Wet period at five different gage stations in the SWFWMD..................................................................................................4-19 Table 4-2. Beginning and ending dates for annual flow Blocks 1, 2, and 3 for the Alafia, Hillsborough, Myakka and Peace Rivers for non-leap years...........4-20 Table 5-1. Mean (SD) flows at the USGS Lithia gage required to inundate selected floodplain features and the maximum percentage flow reductions that would result in no more than a 15% reduction in the number of days the features are inundated.................................................................................5-8 xii
Table 5-2. Mean elevation, local (cross-section) flows and corresponding flows at the USGS Lithia gage for inundation of snag woody habitats at eight instream habitat cross-sections in the Alafia River for the period from 1933 to 2000. Maximum percent-of-flow reductions at the gage site that result in no more than a 15% decreases in the number of days the habitats are also listed. 5-15 Table 5-3. Mean elevation, local (cross-section) flows and corresponding flows at the USGS Lithia gage for inundation of exposed root woody habitats at eight instream habitat cross-sections in the Alafia River for the period from 1933 to 2000. Maximum percent-of-flow reductions at the gage site that result in no more than a 15% decreases in the number of days the habitats are also listed. .........................................................................................................5-15 Table 5-4. Maximum monthly percent-of-flow reductions associated with less than a 15% reduction in habitat for various life history stages or activities of several fish species in the Lithia Springs Major run. ..................................5-19 Table 5-5. Maximum monthly percent-of-flow reductions associated with less than a 15% reduction in habitat for various life history stages or activities of several fish species in Buckhorn Creek, based on Buckhorn Spring flows, downstream from Buckhorn Springs Main. ................................................5-23 Table 5-6. Maximum monthly percent-of-flow reductions associated with less than a 15% reduction in habitat for various life history stages or activities of several fish species in Buckhorn Creek, based on Buckhorn Creek Flows, downstream from Buckhorn Springs Main. ................................................5-24 Table 5-7. Proposed Minimum Flows for the Alafia River, including short-term and long-term compliance standards, for the Alafia River at the Lithia, FL USGS gage site. ...................................................................................................5-27 xiii
- Page 1 and 2: Alafia River Minimum Flows and Leve
- Page 3 and 4: Table of Contents Table of Contents
- Page 5 and 6: 4.3.1 HEC-RAS Modeling ............
- Page 7 and 8: Table of Figures Figure 1-1. Buildi
- Page 9 and 10: Figure 2-33. Phosphorus concentrati
- Page 11: Figure 5-12. Habitat Gain/Loss for
- Page 15 and 16: flow, with the exception that withd
- Page 17 and 18: Acknowledgement The authors would l
- Page 19 and 20: 9) Water quality; and 10) Navigatio
- Page 21 and 22: Water Management District typically
- Page 23 and 24: Peace River at Zolfo Springs, FL. s
- Page 25 and 26: Period of Record Median Daily Flows
- Page 27 and 28: to enhance understanding of histori
- Page 29 and 30: River watershed, to the east by the
- Page 31 and 32: an adjacent area locally known as t
- Page 33 and 34: Water in the surficial aquifer is r
- Page 35 and 36: The Upper Floridan aquifer (UFA) sy
- Page 37 and 38: Figure 2-4. May and September 2001
- Page 39 and 40: head differences indicating breache
- Page 41 and 42: data (multiple regression) analyses
- Page 43 and 44: 2.2 Land Use Changes in the Alafia
- Page 45 and 46: Before discussing individual sub-ba
- Page 47 and 48: Table 2-2. Land use and land cover
- Page 49 and 50: Table 2-3. Land use and land cover
- Page 51 and 52: Figure 2-13. 1972 and 1999 Land use
- Page 53 and 54: 2.2.4 Lithia Springs Sub-Basin The
- Page 55 and 56: 2.3 Hydrology The assessment of min
- Page 57 and 58: Period of Record Median Daily Flows
- Page 59 and 60: occurred during the spring were sim
- Page 61 and 62: Conversely, since most of the Unite
Table 5-2. Mean elevation, local (cross-section) flows <strong>and</strong> corresponding flows at<br />
the USGS Lithia gage for inundation of snag woody habitats at eight instream<br />
habitat cross-sections in the <strong>Alafia</strong> <strong>River</strong> for the period from 1933 to 2000.<br />
Maximum percent-of-flow reductions at the gage site that result in no more<br />
than a 15% decreases in the number of days the habitats are also listed. 5-15<br />
Table 5-3. Mean elevation, local (cross-section) flows <strong>and</strong> corresponding flows at<br />
the USGS Lithia gage for inundation of exposed root woody habitats at eight<br />
instream habitat cross-sections in the <strong>Alafia</strong> <strong>River</strong> for the period from 1933 to<br />
2000. Maximum percent-of-flow reductions at the gage site that result in no<br />
more than a 15% decreases in the number of days the habitats are also<br />
listed. .........................................................................................................5-15<br />
Table 5-4. Maximum monthly percent-of-flow reductions associated with less than<br />
a 15% reduction in habitat for various life history stages or activities of<br />
several fish species in the Lithia Springs Major run. ..................................5-19<br />
Table 5-5. Maximum monthly percent-of-flow reductions associated with less than<br />
a 15% reduction in habitat for various life history stages or activities of<br />
several fish species in Buckhorn Creek, based on Buckhorn Spring flows,<br />
downstream from Buckhorn Springs Main. ................................................5-23<br />
Table 5-6. Maximum monthly percent-of-flow reductions associated with less than<br />
a 15% reduction in habitat for various life history stages or activities of<br />
several fish species in Buckhorn Creek, based on Buckhorn Creek <strong>Flows</strong>,<br />
downstream from Buckhorn Springs Main. ................................................5-24<br />
Table 5-7. Proposed <strong>Minimum</strong> <strong>Flows</strong> for the <strong>Alafia</strong> <strong>River</strong>, including short-term <strong>and</strong><br />
long-term compliance st<strong>and</strong>ards, for the <strong>Alafia</strong> <strong>River</strong> at the Lithia, FL USGS<br />
gage site. ...................................................................................................5-27<br />
xiii
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