Petit Jean -- Cataloging Unit 11110204

• Lower Arkansas-Fourche La Fave Accounting Unit 111102
  
• Lower Arkansas Subregion 1111
  
• Arkansas-White-Red Region 11 (There are 173 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 2834.2 km² ( 1094.8 mi² ) [% in USA = 43.25, % in Region = 37.57]
  The area from the USGS is 1070 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 1063)

  IV. Elevation Analysis

  This analysis is based on 1131487 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 209.8 m ( 688.3 ft ) [% in USA = 25.53, % in Region = 17.92]
  The elevation standard deviation is 108.8 m ( 357.0 ft ) [% in USA = 57.65, % in Region = 77.46]
  The coefficient of variation is 51.9 %.
  The vertical relief is 767.8 m ( 2519.0 ft ) [% in USA = 61.53, % in Region = 87.28]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	85.2	112.7	121.0	149.8	158.6	182.0	200.9	225.5	273.4	355.9	853.0
  feet	279.5	369.7	397.0	491.5	520.3	597.1	659.1	739.8	897.0	1167.6	2798.5

  

  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	472.4	293.6	0.167	0.268	75.18	78.03
  Intermittent Shoreline	2.4	1.5	0.001	0.001	51.82	37.57
  Perennial Streams	709.9	441.2	0.250	0.403	48.51	74.57
  Intermittent Streams	1876.0	1165.9	0.662	1.065	85.22	76.88
  Canals	0.0	0.0	0.000	0.000	35.62	56.65
  1° roads	0.0	0.0	0.000	0.000	30.84	24.86
  2° roads	19.6	12.2	0.007	0.011	23.59	3.47
  3° roads	455.0	282.8	0.161	0.258	87.07	89.02
  4° roads	2596.3	1613.6	0.916	1.474	30.27	19.08
  Total Roads	3070.8	1908.5	1.083	1.743	35.29	29.48
  Railroads	126.3	78.5	0.045	0.072	53.77	52.02
  Pipes and Powerlines	245.6	152.6	0.087	0.139	90.67	95.38

  
  Of the natural water in this HUC, 61.37% (by length) is intermittent [% in USA = 62.06, % in Region = 37.57]

  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