Lower Canadian-Walnut -- Cataloging Unit 11090202

• Lower Canadian Accounting Unit 110902
  
• Lower Canadian Subregion 1109
  
• Arkansas-White-Red Region 11 (There are 173 cataloging units in this region.)
  The state composition by area is 100.0% Oklahoma.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 4738.7 km² ( 1830.4 mi² ) [% in USA = 74.66, % in Region = 75.14]
  The area from the USGS is 1800 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 627)

  IV. Elevation Analysis

  This analysis is based on 1894599 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 351.8 m ( 1154.2 ft ) [% in USA = 45.29, % in Region = 42.77]
  The elevation standard deviation is 61.0 m ( 200.1 ft ) [% in USA = 44.48, % in Region = 47.40]
  The coefficient of variation is 17.3 %.
  The vertical relief is 313.0 m ( 1026.9 ft ) [% in USA = 42.35, % in Region = 47.98]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	205.0	274.0	302.6	319.0	334.3	346.0	365.0	388.0	405.7	434.1	518.0
  feet	672.6	898.9	992.8	1046.6	1096.8	1135.2	1197.5	1273.0	1331.0	1424.2	1699.5

  

  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	772.6	480.2	0.163	0.262	74.66	76.88
  Intermittent Shoreline	0.0	0.0	0.000	0.000	26.95	9.25
  Perennial Streams	776.2	482.4	0.164	0.264	34.15	49.13
  Intermittent Streams	2008.8	1248.5	0.424	0.682	61.06	43.35
  Canals	0.0	0.0	0.000	0.000	35.62	56.65
  1° roads	146.2	90.9	0.031	0.050	80.48	89.60
  2° roads	214.6	133.4	0.045	0.073	77.31	76.30
  3° roads	443.5	275.6	0.094	0.151	70.82	76.30
  4° roads	6350.6	3946.9	1.340	2.156	67.93	78.03
  Total Roads	7155.0	4446.8	1.510	2.429	69.26	80.92
  Railroads	200.6	124.6	0.042	0.068	51.68	48.55
  Pipes and Powerlines	309.0	192.0	0.065	0.105	81.62	80.35

  
  Of the natural water in this HUC, 56.46% (by length) is intermittent [% in USA = 57.03, % in Region = 25.43]

  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