Lower Saline -- Cataloging Unit 08040204

• 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 3956.7 km² ( 1528.3 mi² ) [% in USA = 64.23, % in Region = 71.95]
  The area from the USGS is 1510 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 939)

  IV. Elevation Analysis

  This analysis is based on 1580281 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 61.3 m ( 201.1 ft ) [% in USA = 10.04, % in Region = 53.66]
  The elevation standard deviation is 18.9 m ( 62.0 ft ) [% in USA = 10.00, % in Region = 52.44]
  The coefficient of variation is 30.8 %.
  The vertical relief is 103.0 m ( 337.9 ft ) [% in USA = 9.14, % in Region = 46.34]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	18.0	34.0	45.0	51.0	58.8	61.5	68.0	74.6	77.0	84.8	121.0
  feet	59.1	111.5	147.6	167.3	192.9	201.8	223.1	244.7	252.6	278.2	397.0

  

  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	401.3	249.4	0.101	0.163	56.66	36.59
  Intermittent Shoreline	0.9	0.6	0.000	0.000	37.04	45.12
  Perennial Streams	878.6	546.0	0.222	0.357	43.68	28.05
  Intermittent Streams	3580.1	2225.0	0.905	1.456	96.64	98.78
  Canals	0.2	0.1	0.000	0.000	37.09	10.98
  1° roads	1.3	0.8	0.000	0.001	37.09	14.63
  2° roads	92.8	57.7	0.023	0.038	46.71	28.05
  3° roads	545.1	338.8	0.138	0.222	82.66	50.00
  4° roads	3677.1	2285.3	0.929	1.495	31.17	25.61
  Total Roads	4316.3	2682.6	1.091	1.755	35.67	24.39
  Railroads	223.9	139.2	0.057	0.091	64.14	56.10
  Pipes and Powerlines	182.5	113.4	0.046	0.074	67.17	39.02

  
  Of the natural water in this HUC, 73.67% (by length) is intermittent [% in USA = 73.33, % in Region = 98.78]

  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