Bayou Pierre -- Cataloging Unit 11140206

• Red-Saline Accounting Unit 111402
  
• Red-Sulphur Subregion 1114
  
• Arkansas-White-Red Region 11 (There are 173 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 2887.9 km² ( 1115.5 mi² ) [% in USA = 44.62, % in Region = 40.46]
  The area from the USGS is 1110 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 1353)

  IV. Elevation Analysis

  This analysis is based on 1153266 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 59.9 m ( 196.5 ft ) [% in USA = 9.81, % in Region = 1.73]
  The elevation standard deviation is 18.1 m ( 59.4 ft ) [% in USA = 9.33, % in Region = 2.89]
  The coefficient of variation is 30.2 %.
  The vertical relief is 98.9 m ( 324.5 ft ) [% in USA = 8.38, % in Region = 2.31]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	27.0	39.0	42.4	45.8	53.8	59.5	61.2	70.0	76.0	88.8	125.9
  feet	88.6	128.0	139.1	150.3	176.5	195.2	200.8	229.7	249.3	291.3	413.1

  

  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	453.9	282.1	0.157	0.253	73.47	75.14
  Intermittent Shoreline	13.8	8.6	0.005	0.008	75.94	63.01
  Perennial Streams	1122.9	697.9	0.389	0.626	68.92	94.22
  Intermittent Streams	496.1	308.3	0.172	0.276	28.09	6.94
  Canals	32.1	19.9	0.011	0.018	67.31	82.66
  1° roads	231.9	144.1	0.080	0.129	95.69	99.42
  2° roads	114.8	71.4	0.040	0.064	70.54	65.32
  3° roads	485.8	301.9	0.168	0.271	88.16	91.33
  4° roads	3715.8	2309.4	1.287	2.070	63.10	69.36
  Total Roads	4548.3	2826.8	1.575	2.534	73.76	85.55
  Railroads	296.8	184.4	0.103	0.165	88.02	93.06
  Pipes and Powerlines	134.9	83.8	0.047	0.075	67.93	66.47

  
  Of the natural water in this HUC, 24.43% (by length) is intermittent [% in USA = 28.66, % in Region = 4.62]

  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