Upper Black -- Cataloging Unit 11010007

• Upper White Subregion 1101
  
• Arkansas-White-Red Region 11 (There are 173 cataloging units in this region.)
  The state composition by area is 91.2% Missouri, 8.8% Arkansas.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 4925.5 km² ( 1902.6 mi² ) [% in USA = 77.03, % in Region = 80.35]
  The area from the USGS is 1900 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 2025)

  IV. Elevation Analysis

  This analysis is based on 1967454 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 214.8 m ( 704.7 ft ) [% in USA = 26.24, % in Region = 18.50]
  The elevation standard deviation is 100.7 m ( 330.4 ft ) [% in USA = 55.85, % in Region = 73.99]
  The coefficient of variation is 46.9 %.
  The vertical relief is 456.0 m ( 1496.0 ft ) [% in USA = 51.35, % in Region = 66.47]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	76.0	90.0	97.0	131.4	181.6	213.0	243.9	274.0	311.3	363.4	532.0
  feet	249.3	295.3	318.2	431.1	595.8	698.8	800.2	898.9	1021.3	1192.2	1745.4

  

  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	187.2	116.3	0.038	0.061	30.13	36.99
  Intermittent Shoreline	0.9	0.6	0.000	0.000	34.72	20.23
  Perennial Streams	1137.4	706.9	0.231	0.372	45.14	71.10
  Intermittent Streams	3491.8	2170.1	0.709	1.141	88.16	84.39
  Canals	446.0	277.2	0.091	0.146	91.52	98.27
  1° roads	0.4	0.2	0.000	0.000	33.59	30.64
  2° roads	146.2	90.9	0.030	0.048	56.37	42.20
  3° roads	959.3	596.2	0.195	0.313	91.38	97.11
  4° roads	4335.9	2694.8	0.880	1.416	28.14	16.76
  Total Roads	5441.8	3382.1	1.105	1.778	36.48	30.06
  Railroads	162.8	101.2	0.033	0.053	42.07	34.10
  Pipes and Powerlines	477.4	296.7	0.097	0.156	93.65	97.69

  
  Of the natural water in this HUC, 72.50% (by length) is intermittent [% in USA = 72.05, % in Region = 54.91]

  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