Alafia River Minimum Flows and Levels - Southwest Florida Water ...

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Table 1. Statistical comparisons (Wilcoxon rank-sum test) of annual rainfall i n 11 CWM basins during the two multi-decadal periods (1940 – 1969 and 1970 – 1999) discussed in the draft Alafia River CWM report. (Data source = SWFWMD) CWM Basin Mean Annual Rainfall (in.) 1940 – 1969 Mean Annual Rainfall (in.) 1970 – 1999 p-value 1940-1969 rainfall greater than 1970-1999 rainfall* p-value 1940-1969 rainfall greater or less than 1970-1999 rainfall** Springs Coast 56.4 55.0 0.29984 0.59968 Tampa Bay/Anclote River 53.7 52.0 0.27962 Withlacoochee River 55.0 53.4 0.23439 Hillsborough River 54.5 53.4 0.37529 Lake Wales Ridge 54.2 50.8 0.07683 0.15367 Manatee River 56. 1 52.5 0.09288 0.18577 Peace River 54.3 51.3 0.07472 0.14945 Alafia River 53.4 50.5 0.16276 0.32552 Southern Coastal 55.7 50.2 0.01757 0.03514 Myakka River 54.1 54.7 0.42669 a 0.55923 0.46879 0.75058 0.85338 Little Manatee River 55.6 51.2 0.04963 0.09926 * one-tailed test ** two-tailed test a testing for1970 – 1999 rainfall > 1940 – 1969 rainfall 9
Figure 1. Box-and-whisker plots of annual rainfall records from two time periods (1940 – 1969 and 1970 – 199 (Data source = SWFWMD). 90 80 70 60 50 40 30 10 9). An nual Rainfall (inc hes) Springs C o ast TB/An clote Withlacoochee Hill sborough Lake W Ridge Manatee Peace Alafia Sou th C oast M yakka Little Manatee SWFWMD CWM Basin
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Alafia River Minimum Flows and Leve
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Table of Contents Table of Contents
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4.3.1 HEC-RAS Modeling ............
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Table of Figures Figure 1-1. Buildi
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Figure 2-33. Phosphorus concentrati
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Figure 5-12. Habitat Gain/Loss for
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Table 5-2. Mean elevation, local (c
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flow, with the exception that withd
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Acknowledgement The authors would l
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9) Water quality; and 10) Navigatio
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Water Management District typically
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Peace River at Zolfo Springs, FL. s
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Period of Record Median Daily Flows
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to enhance understanding of histori
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River watershed, to the east by the
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an adjacent area locally known as t
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Water in the surficial aquifer is r
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The Upper Floridan aquifer (UFA) sy
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Figure 2-4. May and September 2001
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head differences indicating breache
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data (multiple regression) analyses
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2.2 Land Use Changes in the Alafia
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Before discussing individual sub-ba
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Table 2-2. Land use and land cover
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Table 2-3. Land use and land cover
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Figure 2-13. 1972 and 1999 Land use
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2.2.4 Lithia Springs Sub-Basin The
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2.3 Hydrology The assessment of min
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occurred during the spring were sim
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Conversely, since most of the Unite
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extending from 1940 to 1969 can be
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third highest flow occurred early i
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Flow (cfs) Alafia River at Lithia,
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100 North Prong Alafia River at Key
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Flow (cfs) South Prong Alafia River
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Alafia River at Lithia - Water Qual
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South Prong Watershed Above USGS Ga
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Comparisons of land use changes and
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Comparison of Median Daily Flows fo
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Comparisons of Annual 25% Exceedanc
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Figure 2-25. Lithia Springs Major b
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2.3.4.3.2 Discharge from Lithia Spr
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Relationship Between Lithia Springs
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Buckhorn Spring Main Discharge (Wit
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versus flow. The third plot typical
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Alafia River at Lithia, FL Phosphor
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While elevated phosphorus concentra
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Peace River at Arcadia, FL 20 Phosp
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Alafia River at Lithia, FL Nitrate/
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2.4.2 Potassium and Trend Analysis
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Alafia River at Lithia, FL 14 Potas
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Table 2-10. Results of Kendall's ta
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Chapter 3 Ecological Resources of C
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1) maintenance of minimum water dep
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flow regimes and these life history
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subsidy of water and nutrients that
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Chapter 4 Technical Approach for Es
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4.2.1 HEC-RAS Cross-Sections Cross
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PHABSIM analysis required acquisiti
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Figure 4-5. Upstream vegetation cro
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level, whenever possible. Immature
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major parameter altered during the
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Alafia River - Cross Section 64 - W
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Delphi method lacks the rapid feedb
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TOTAL DAYS OF INUNDATION DURING THE
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Wetted Perimeter - USGS 84.5 - SWFW
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Alafia River Station 91.5 Stage in
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section sites and corresponding flo
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4.9.1.2 Recreational Use Assessment
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Chapter 5 Results and Recommended M
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greater than 25 cfs would inundate
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For the USGS Lithia gage site, the
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40 35 30 25 20 15 10 T20 T21 T27 T3
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Wetted Perimeter (linear feet) 2000
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dominant vegetation zones, mucky so
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5.5.1 Application of PHABSIM for Bl
Page 159 and 160: 5.5.3 Flow Relationships with Woody
Page 161 and 162: River begins on October 28 and ends
Page 163 and 164: Table 5-4. Maximum monthly percent-
Page 165 and 166: 5.6.3 Short-Term Compliance Standar
Page 167 and 168: Table 5-5. Maximum monthly percent-
Page 169 and 170: 5.8 Short-Term Compliance Standard
Page 171 and 172: Table 5-7. Proposed Minimum Flows f
Page 173 and 174: Biological Services Program Report
Page 175 and 176: Jones, G.W., and Upchurch, S.B., 19
Page 177 and 178: SDI Environmental Services, Inc. 20
Page 179 and 180: Upchurch, S.B. and J.R. Littlefield
Page 181 and 182: A Review of “Alafia River Minimum
Page 183 and 184: The draft report for setting MFLs f
Page 185 and 186: methodologies, analyses, and conclu
Page 187 and 188: The SWFWMD has employed a building
Page 189 and 190: MFLs for the Alafia and Myakka rive
Page 191 and 192: RALPH PLOTS AND ANALYSES Recent and
Page 193 and 194: then used to estimate percent of fl
Page 195 and 196: necessary. Such a framework should
Page 197 and 198: to use to meet the criteria of no s
Page 199 and 200: Shaw, D.T., C.N. Dahm, and S.W. Gol
Page 201 and 202: The District has added to Chapter 4
Page 207 and 208: Attachment A June 15 th , 2005 Mrs.
Page 209: The Kelly (2004) report includes a
Page 213 and 214: As shown in Table 1, a nonparametri
Page 215 and 216: “augmentation” - be performed a
Page 217 and 218: Estuary Program 'Restoring the Bala
Page 219 and 220: APPENDIX D - District's response to
Page 221 and 222: educed by no more than 8 percent on
Page 223 and 224: sites with comparable temporal reco
Page 225 and 226: gradually removed (this appears as
Page 227 and 228: 1) The DISTRICT acknowledges the ma
Page 229 and 230: Mark Hammond, Director, Resource Ma
Page 231 and 232: Table 1. Mann-Whitney Statistical A
Page 233: Comparison of July Rainfall Totals
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