Tampa Bay -- Cataloging Unit 03100206

• Tampa Bay Accounting Unit 031002
  
• Peace-Tampa Bay Subregion 0310
  
• South Atlantic-Gulf Region 03 (There are 198 cataloging units in this region.)
  The state composition by area is 100.0% Florida.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 1726.1 km² ( 666.7 mi² ) [% in USA = 12.65, % in Region = 15.15]
  The area from the USGS is 894 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 1843)

  IV. Elevation Analysis

  This analysis is based on 688985 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 7.3 m ( 23.9 ft ) [% in USA = 2.13, % in Region = 9.09]
  The elevation standard deviation is 6.4 m ( 21.0 ft ) [% in USA = 2.84, % in Region = 10.61]
  The coefficient of variation is 87.7 %.
  The vertical relief is 38.0 m ( 124.7 ft ) [% in USA = 3.13, % in Region = 13.64]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	0.0	0.1	2.0	2.5	3.0	6.0	7.1	9.3	14.0	17.0	38.0
  feet	0.0	0.3	6.6	8.2	9.8	19.7	23.3	30.5	45.9	55.8	124.7

  

  V. Map Line Analysis

  Note- percentiles are for the feature density, not for the raw total lengths.
  

  line type	km	mi	km/km²	mi/mi²	% in USA	% in Region
  Perennial Shoreline	1654.8	1028.4	0.959	1.543	99.15	97.98
  Intermittent Shoreline	3.9	2.4	0.002	0.004	65.75	73.23
  Perennial Streams	470.3	292.3	0.272	0.438	52.49	19.70
  Intermittent Streams	21.1	13.1	0.012	0.020	7.30	11.62
  Canals	69.4	43.1	0.040	0.065	82.05	83.33
  1° roads	238.9	148.5	0.138	0.223	98.06	100.00
  2° roads	236.7	147.1	0.137	0.221	99.57	98.99
  3° roads	376.4	233.9	0.218	0.351	93.51	94.95
  4° roads	10209.4	6345.2	5.915	9.517	99.62	100.00
  Total Roads	11061.4	6874.7	6.408	10.311	99.62	100.00
  Railroads	329.5	204.8	0.191	0.307	97.35	99.49
  Pipes and Powerlines	49.2	30.6	0.029	0.046	49.22	17.17

  
  Of the natural water in this HUC, 1.16% (by length) is intermittent [% in USA = 5.50, % in Region = 5.05]

  VI. Other sites

  • EPA- Surf Your Watershed - Index of Watershed Indicators
  • USGS- Science in Your Watershed - Selected Realtime Streamflow Stations
  • CTIC- Known Your Watershed

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  1999 SEPT 4, Last updated on 2003 JAN 23
  
  D.L. Gustafson, dlg@rapid.msu.montana.edu