Upper Saline -- Cataloging Unit 08040203

• Lower Ouachita Accounting Unit 080402
  
• Lower Red - Ouachita Subregion 0804
  
• Lower Mississippi Region 08 (There are 82 cataloging units in this region.)
  The state composition by area is 100.0% Arkansas.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 4432.2 km² ( 1712.0 mi² ) [% in USA = 71.29, % in Region = 78.05]
  The area from the USGS is 1710 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 1295)

  IV. Elevation Analysis

  This analysis is based on 1770180 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 122.8 m ( 402.9 ft ) [% in USA = 17.20, % in Region = 89.02]
  The elevation standard deviation is 73.2 m ( 240.2 ft ) [% in USA = 48.41, % in Region = 96.34]
  The coefficient of variation is 59.6 %.
  The vertical relief is 504.0 m ( 1653.5 ft ) [% in USA = 53.58, % in Region = 96.34]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	44.0	60.0	66.0	78.0	88.3	91.1	115.3	137.0	172.2	221.7	548.0
  feet	144.4	196.8	216.5	255.9	289.7	298.9	378.3	449.5	565.0	727.4	1797.9

  

  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	266.2	165.5	0.060	0.097	39.98	21.95
  Intermittent Shoreline	3.9	2.4	0.001	0.001	52.72	54.88
  Perennial Streams	1854.4	1152.5	0.418	0.673	72.81	74.39
  Intermittent Streams	3909.6	2429.8	0.882	1.419	96.02	97.56
  Canals	0.0	0.0	0.000	0.000	35.62	9.76
  1° roads	61.5	38.2	0.014	0.022	60.78	56.10
  2° roads	176.1	109.5	0.040	0.064	70.49	60.98
  3° roads	464.1	288.4	0.105	0.168	74.28	32.93
  4° roads	6489.4	4033.2	1.464	2.356	76.50	89.02
  Total Roads	7191.1	4469.3	1.622	2.611	76.36	87.80
  Railroads	138.5	86.1	0.031	0.050	40.79	20.73
  Pipes and Powerlines	246.1	152.9	0.056	0.089	75.51	59.76

  
  Of the natural water in this HUC, 64.86% (by length) is intermittent [% in USA = 65.51, % in Region = 86.59]

  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