Bayou Macon -- Cataloging Unit 08050002

• Boeuf-Tensas Subregion 0805
  
• Lower Mississippi Region 08 (There are 82 cataloging units in this region.)
  The state composition by area is 51.4% Arkansas, 48.5% Louisiana, 0.1% Mississippi.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 2597.1 km² ( 1003.2 mi² ) [% in USA = 36.81, % in Region = 46.34]
  The area from the USGS is 1060 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 669)

  IV. Elevation Analysis

  This analysis is based on 1038254 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 32.5 m ( 106.6 ft ) [% in USA = 6.54, % in Region = 31.71]
  The elevation standard deviation is 9.0 m ( 29.5 ft ) [% in USA = 4.07, % in Region = 29.27]
  The coefficient of variation is 27.7 %.
  The vertical relief is 38.0 m ( 124.7 ft ) [% in USA = 3.13, % in Region = 17.07]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	15.0	22.0	24.0	27.0	30.0	31.7	35.0	38.0	44.0	45.0	53.0
  feet	49.2	72.2	78.7	88.6	98.4	104.0	114.8	124.7	144.4	147.6	173.9

  

  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	486.0	302.1	0.187	0.301	78.87	57.32
  Intermittent Shoreline	61.3	38.1	0.024	0.038	92.99	92.68
  Perennial Streams	661.5	411.1	0.255	0.410	49.08	34.15
  Intermittent Streams	1701.3	1057.3	0.655	1.054	84.46	75.61
  Canals	637.0	395.9	0.245	0.395	97.77	84.15
  1° roads	8.6	5.4	0.003	0.005	45.62	31.71
  2° roads	95.3	59.2	0.037	0.059	66.65	53.66
  3° roads	543.6	337.9	0.209	0.337	92.61	81.71
  4° roads	2292.8	1425.0	0.883	1.420	28.33	20.73
  Total Roads	2940.3	1827.4	1.132	1.822	38.13	28.05
  Railroads	120.1	74.6	0.046	0.074	55.52	40.24
  Pipes and Powerlines	123.6	76.8	0.048	0.077	68.64	42.68

  
  Of the natural water in this HUC, 60.57% (by length) is intermittent [% in USA = 61.11, % in Region = 76.83]

  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