Lower Red -- Cataloging Unit 08040301

• Lower Red Accounting Unit 080403
  
• 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% Louisiana.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 2298.9 km² ( 888.0 mi² ) [% in USA = 28.23, % in Region = 32.93]
  The area from the USGS is 898 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 1047)

  IV. Elevation Analysis

  This analysis is based on 918231 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 16.1 m ( 52.8 ft ) [% in USA = 4.26, % in Region = 20.73]
  The elevation standard deviation is 7.5 m ( 24.6 ft ) [% in USA = 3.41, % in Region = 24.39]
  The coefficient of variation is 46.6 %.
  The vertical relief is 59.6 m ( 195.5 ft ) [% in USA = 4.59, % in Region = 24.39]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	3.0	11.0	12.0	13.0	13.0	13.0	14.0	15.0	19.0	27.0	62.6
  feet	9.8	36.1	39.4	42.7	42.7	42.7	45.9	49.2	62.3	88.6	205.4

  

  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	1447.4	899.5	0.630	1.013	97.92	87.80
  Intermittent Shoreline	11.6	7.2	0.005	0.008	76.65	75.61
  Perennial Streams	638.6	396.9	0.278	0.447	53.24	40.24
  Intermittent Streams	654.5	406.8	0.285	0.458	42.59	37.80
  Canals	102.2	63.5	0.044	0.072	83.42	50.00
  1° roads	15.8	9.8	0.007	0.011	50.83	40.24
  2° roads	23.8	14.8	0.010	0.017	27.95	7.32
  3° roads	283.0	175.9	0.123	0.198	78.87	36.59
  4° roads	1990.9	1237.4	0.866	1.393	26.81	19.51
  Total Roads	2313.5	1437.8	1.006	1.619	30.84	18.29
  Railroads	38.2	23.7	0.017	0.027	26.05	4.88
  Pipes and Powerlines	14.6	9.1	0.006	0.010	19.00	7.32

  
  Of the natural water in this HUC, 24.20% (by length) is intermittent [% in USA = 28.33, % in Region = 30.49]

  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