Apalachicola -- Cataloging Unit 03130011

• Apalachicola Subregion 0313
  
• South Atlantic-Gulf Region 03 (There are 198 cataloging units in this region.)
  The state composition by area is 95.8% Florida, 4.2% Georgia.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 3010.5 km² ( 1162.9 mi² ) [% in USA = 46.85, % in Region = 46.46]
  The area from the USGS is 1130 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 828)

  IV. Elevation Analysis

  This analysis is based on 1201832 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 21.8 m ( 71.5 ft ) [% in USA = 5.21, % in Region = 25.25]
  The elevation standard deviation is 24.3 m ( 79.7 ft ) [% in USA = 15.30, % in Region = 46.46]
  The coefficient of variation is 111.5 %.
  The vertical relief is 100.9 m ( 331.0 ft ) [% in USA = 8.67, % in Region = 34.85]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	0.0	1.0	2.0	4.0	7.0	12.0	15.8	29.3	41.0	61.6	100.9
  feet	0.0	3.3	6.6	13.1	23.0	39.4	51.8	96.1	134.5	202.1	331.0

  

  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	919.4	571.4	0.305	0.491	90.81	77.78
  Intermittent Shoreline	112.6	70.0	0.037	0.060	95.88	94.44
  Perennial Streams	1325.8	824.0	0.440	0.709	75.56	54.55
  Intermittent Streams	102.7	63.8	0.034	0.055	11.13	17.17
  Canals	170.1	105.7	0.057	0.091	86.45	85.86
  1° roads	52.9	32.9	0.018	0.028	66.37	48.48
  2° roads	74.8	46.5	0.025	0.040	48.79	10.61
  3° roads	454.5	282.5	0.151	0.243	85.08	79.29
  4° roads	2982.7	1853.8	0.991	1.594	35.77	5.05
  Total Roads	3564.9	2215.6	1.184	1.905	41.64	8.08
  Railroads	250.1	155.4	0.083	0.134	80.34	84.34
  Pipes and Powerlines	165.3	102.7	0.055	0.088	74.75	38.89

  
  Of the natural water in this HUC, 8.75% (by length) is intermittent [% in USA = 14.07, % in Region = 19.19]

  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