Dardanelle Reservoir -- Cataloging Unit 11110202

• 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 4828.2 km² ( 1865.0 mi² ) [% in USA = 75.79, % in Region = 78.03]
  The area from the USGS is 1860 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 2154)

  IV. Elevation Analysis

  This analysis is based on 1929203 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 265.1 m ( 869.7 ft ) [% in USA = 34.34, % in Region = 28.90]
  The elevation standard deviation is 145.7 m ( 478.0 ft ) [% in USA = 63.76, % in Region = 83.82]
  The coefficient of variation is 55.0 %.
  The vertical relief is 730.7 m ( 2397.3 ft ) [% in USA = 60.68, % in Region = 86.13]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	91.0	121.0	147.7	152.0	181.7	209.1	244.3	335.6	418.8	495.8	821.7
  feet	298.6	397.0	484.6	498.7	596.1	686.0	801.5	1101.0	1374.0	1626.6	2695.8

  

  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	1022.0	635.2	0.212	0.341	82.19	87.86
  Intermittent Shoreline	0.5	0.3	0.000	0.000	31.03	12.14
  Perennial Streams	953.0	592.3	0.197	0.318	39.41	63.58
  Intermittent Streams	3453.1	2146.1	0.715	1.151	88.44	84.97
  Canals	0.0	0.0	0.000	0.000	35.62	56.65
  1° roads	93.1	57.8	0.019	0.031	69.02	76.88
  2° roads	76.1	47.3	0.016	0.025	36.24	17.92
  3° roads	871.0	541.3	0.180	0.290	89.82	93.06
  4° roads	5249.1	3262.3	1.087	1.749	43.91	41.04
  Total Roads	6289.3	3908.8	1.303	2.096	51.35	53.18
  Railroads	131.1	81.5	0.027	0.044	36.24	27.17
  Pipes and Powerlines	199.2	123.8	0.041	0.066	62.62	61.27

  
  Of the natural water in this HUC, 63.62% (by length) is intermittent [% in USA = 64.28, % in Region = 41.04]

  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