The Determination of Minimum Flows for Sulphur Springs, Tampa

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DRAFT Sulphur Springs < 33 cfs, Hillsborough < 3 cfs Figure 5-11. Box and whisker plot of 15 minute salinity measurements at the data recorder at the mouth of the spring run. Data restricted to periods when there was no flow to the lower river from the Hillsborough River reservoir. 5.2.7 Other potential effects of reduced flows. Other characteristics of the upper spring run could potentially be affected by salinity incursions. As discussed in Section 3.7.1, mats of filamentous algae became widespread on the bottom of the spring run during the 200-2001 drought when large withdrawals were frequently made from the spring pool. A substantial reduction in the distribution of these algal mats accompanied the return of normal flow to the spring run in 2002 and 2003. It is not known what mechanism allowed the expansion of the algae during the drought, but reduced current velocities resulting from large springflow diversions may have been a factor. It is also not known what flows are necessary to 5 - 22
DRAFT prevent excessive expansions of filamentous algae in the spring run, but it is assumed that greater flows will reduce the potential for excessive growth of the filamentous algae. Dissolved oxygen concentrations in the upper spring run could also possibly be affected by reduced flows. As discussed in Section 3.4, pronounced hypoxia was observed on one date by the University of Florida when flows were very low (
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The Determination of Minimum Flows
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DRAFT TABLE OF CONTENTS List of Tab
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4.5 Goal 1 - Minimize the incursion
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DRAFT LIST OF FIGURES Chapter 2 - P
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Fig. 3-13 Fig. 3-14 Fig. 3-15 Fig.
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Fig. 5-7 Fig. 5-8 Fig. 5-9 Fig. 5-1
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Acronyms and Definitions DRAFT AMO
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DRAFT Executive Summary The Southwe
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DRAFT below 19 feet NGVD of 1929. T
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CHAPTER 1 PURPOSE AND BACKGROUND OF
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DRAFT water, or aquifer, provided t
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DRAFT one the indicators were the f
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DRAFT The spring and its run lie in
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DRAFT Figure 2-3. Recent photograph
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2 - 6 DRAFT
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DRAFT -5 -4 -3 -2 -1 0 1 2 3 0.4 4
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DRAFT 10.0 Yrly_Pumpage.grf 15 Annu
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DRAFT 1999 2000 2001 2002 2003 35 D
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DRAFT Figure 2-14. Return flow stru
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DRAFT 40 Jan. Feb. Mar. Apr. May Ju
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DRAFT due to withdrawals for public
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DRAFT Figure 2-19 . Temporal trend
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DRAFT Figure 2-20. Temporal trends
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DRAFT In comparison to specific con
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DRAFT average daily withdrawals for
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DRAFT Figure 2-25. Average specific
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DRAFT withdrawal rate of 31 cfs dur
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DRAFT Table 2-2. Sulphur Springs su
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DRAFT These plots indicate that his
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DRAFT CHAPTER 3 ECOLOGICAL RESOURCE
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DRAFT 3 Run_Riv_Stg.grf Water Surfa
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DRAFT 3.4 Salinity in the spring ru
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DRAFT 1999 2000 2001 2002 2003 2004
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DRAFT pumping events resulted in sa
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DRAFT As discussed in Section 2.5.3
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DRAFT tolerate and are frequently f
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DRAFT Appendix B are color coded to
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DRAFT habitat in the lower river pr
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DRAFT The FWC using a modified stra
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DRAFT increased with a return to no
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DRAFT 2000. The results from three
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DRAFT species (10 to 13) were colle
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DRAFT 1940 1950 1960 1970 1980 1990
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DRAFT . 1000.00 100.00 10.00 1.00 0
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DRAFT 3.9.2 The effects of flows fr
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DRAFT Data from the Tampa Bay Water
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DRAFT EPCHC Period of Record Data L
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DRAFT 35 30 1996 1997 1998 1999 200
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7 DRAFT Elevation (m) 1 0 -1 -2 -3
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8 24 25 29 DRAFT Figure 3-20, 3-21
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DRAFT Figure 3-22 HBMP & EPCHC 2000
Page 111 and 112: DRAFT of the river between the dam
Page 113 and 114: DRAFT 10 11 12 13 14 15 16 17 10 11
Page 115 and 116: DRAFT The HBMP project (PBSJ 2003)
Page 117 and 118: DRAFT xanthurus) red drum (Sciaenop
Page 119 and 120: DRAFT as manatees seek fresh water
Page 121 and 122: 1999 2000 2001 2002 DRAFT 35 TmpSS_
Page 123 and 124: DRAFT Platt Street 1974-2002 Columb
Page 125 and 126: DRAFT Median and minimum water temp
Page 127 and 128: DRAFT Figure 3-31 1999 2000 2001 20
Page 129 and 130: DRAFT Figure 3-33 2001 2002 2003 20
Page 131 and 132: DRAFT CHAPTER 4 TECHNICAL APPROACH
Page 133 and 134: DRAFT The sum of these consideratio
Page 135 and 136: DRAFT It is the conclusion of this
Page 137 and 138: DRAFT criteria. The
Page 139: DRAFT reach of the river 50 meters
Page 142 and 143: DRAFT of the dam. The experiments w
Page 144 and 145: DRAFT Salinity incursions above the
Page 146 and 147: DRAFT Figure 5-3. A - D. Box and wh
Page 148 and 149: DRAFT The results of the vertical p
Page 150 and 151: DRAFT Sulphur Springs < 33 cfs, Hil
Page 152 and 153: DRAFT Other breakpoints in the data
Page 154 and 155: DRAFT 40 Percent of Observations -
Page 156 and 157: DRAFT It is possible that infrequen
Page 158 and 159: DRAFT The effects of tide stage on
Page 160 and 161: DRAFT medians rise to near -0.2 fee
Page 164 and 165: DRAFT Sulphur Springs on salinity d
Page 166 and 167: 7 29 DRAFT Elevation (m) 0/0cfs 1 0
Page 168 and 169: 23 24 24 25 25 29 DRAFT Figures 14,
Page 170 and 171: DRAFT Viewed strictly from the infl
Page 172 and 173: DRAFT water removed would fluctuate
Page 174 and 175: DRAFT euryhaline, there were also m
Page 176 and 177: DRAFT 01/90 01/93 01/96 01/99 01/02
Page 178 and 179: DRAFT the intent of that condition
Page 180 and 181: DRAFT included inflows to the model
Page 182 and 183: DRAFT Flows for Sulphur Springs wer
Page 184 and 185: DRAFT ∆T represents the differenc
Page 186 and 187: DRAFT Figure 25 Temp (C) 22 Histori
Page 188 and 189: DRAFT Figure 26 Temp (C) 24 22 Hist
Page 190 and 191: DRAFT Similar to the coldest period
Page 192 and 193: DRAFT 5.7. Consideration of future
Page 194 and 195: DRAFT Culter, J. 1986. Benthic Inve
Page 196 and 197: DRAFT Shafland, P. L. and K. J. Foo
Page 199 and 200: APPENDIX A (from Chapter 2) Time se
Page 201 and 202: Sulphur Springs Water Quality 1991-
Page 209: Sulphur Springs Water Quality 1991-
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Appendix B. Presence of macroinvert
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Appendix C. Percent composition of
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Appendix C. Percent composition of
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APPENDIX D (from Chapter 3) Percent
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APPENDIX D. Percent composition of
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APPENDIX D. Percent composition of
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APPENDIX E (from Chapter 3) Abundan
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BARE SAND FILAMENTOUS ALGAE COMBINE
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APPENDIX F - HILLSBOROUGH RIVER TEM
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Appendix G Daily values for mean, m
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APPENDIX H (from Chapter 5) Time se
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Experiment Number 6
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Appendix I Daily values for minimum
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28FEB2000 9.8 0.0 1.9 9.7 7.8 . 18.
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12FEB2001 14.0 3.5 1.7 4.6 2.9 1.1
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The Determination of Minimum Flows for Sulphur Springs, Tampa

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