West Central Louisiana Coastal -- Cataloging Unit 08090302

• Central Louisiana Coastal Accounting Unit 080903
  
• Lower Mississippi Subregion 0809
  
• 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 6245.4 km² ( 2412.4 mi² ) [% in USA = 88.25, % in Region = 95.12]
  The area from the USGS is 2890 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 1534)

  IV. Elevation Analysis

  This analysis is based on 2494463 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 0.3 m ( 1.0 ft ) [% in USA = 0.38, % in Region = 4.88]
  The elevation standard deviation is 0.9 m ( 3.0 ft ) [% in USA = 0.47, % in Region = 4.88]
  The coefficient of variation is 300.0 %.
  The vertical relief is 9.6 m ( 31.5 ft ) [% in USA = 0.62, % in Region = 7.32]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	1.0	9.6
  feet	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	3.3	31.5

  

  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	11542.4	7173.7	1.848	2.974	99.76	97.56
  Intermittent Shoreline	0.0	0.0	0.000	0.000	26.95	30.49
  Perennial Streams	3218.5	2000.3	0.515	0.829	83.42	84.15
  Intermittent Streams	125.7	78.1	0.020	0.032	9.05	7.32
  Canals	3211.6	1996.0	0.514	0.827	99.34	96.34
  1° roads	3.5	2.2	0.001	0.001	39.03	17.07
  2° roads	68.1	42.3	0.011	0.018	28.61	10.98
  3° roads	801.6	498.2	0.128	0.207	80.72	41.46
  4° roads	2678.1	1664.4	0.429	0.690	4.93	3.66
  Total Roads	3551.3	2207.1	0.569	0.915	8.48	3.66
  Railroads	210.9	131.1	0.034	0.054	43.25	23.17
  Pipes and Powerlines	285.8	177.6	0.046	0.074	67.03	37.80

  
  Of the natural water in this HUC, 0.84% (by length) is intermittent [% in USA = 4.59, % in Region = 4.88]

  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