Lower St. Francis -- Cataloging Unit 08020203

• St. Francis Accounting Unit 080202
  
• Lower Mississippi - St. Francis Subregion 0802
  
• Lower Mississippi Region 08 (There are 82 cataloging units in this region.)
  The state composition by area is 85.0% Arkansas, 15.0% Missouri.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 8691.1 km² ( 3357.1 mi² ) [% in USA = 96.59, % in Region = 100.00]
  The area from the USGS is 3480 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 3567)

  IV. Elevation Analysis

  This analysis is based on 3473147 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 77.1 m ( 252.9 ft ) [% in USA = 12.08, % in Region = 67.07]
  The elevation standard deviation is 21.3 m ( 69.9 ft ) [% in USA = 12.65, % in Region = 62.20]
  The coefficient of variation is 27.6 %.
  The vertical relief is 160.0 m ( 524.9 ft ) [% in USA = 20.23, % in Region = 89.02]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	47.0	60.0	61.1	64.0	67.0	69.5	72.0	78.0	91.6	107.6	207.0
  feet	154.2	196.8	200.5	210.0	219.8	228.0	236.2	255.9	300.5	353.0	679.1

  

  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	1523.8	947.0	0.175	0.282	76.84	56.10
  Intermittent Shoreline	23.0	14.3	0.003	0.004	68.40	67.07
  Perennial Streams	2169.0	1348.0	0.250	0.402	48.32	32.93
  Intermittent Streams	4855.5	3017.7	0.559	0.899	76.03	65.85
  Canals	1925.8	1196.9	0.222	0.357	97.49	81.71
  1° roads	230.3	143.2	0.027	0.043	76.79	78.05
  2° roads	506.0	314.5	0.058	0.094	88.73	87.80
  3° roads	1647.3	1023.8	0.190	0.305	91.00	78.05
  4° roads	10683.6	6639.9	1.229	1.978	56.75	69.51
  Total Roads	13067.1	8121.3	1.504	2.419	68.69	74.39
  Railroads	525.5	326.6	0.060	0.097	67.50	64.63
  Pipes and Powerlines	596.7	370.9	0.069	0.110	83.80	76.83

  
  Of the natural water in this HUC, 56.92% (by length) is intermittent [% in USA = 57.46, % in Region = 71.95]

  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