Skunk -- Cataloging Unit 07080107

• Upper Mississippi-Skunk-Wapsipinicon Accounting Unit 070801
  
• Upper Mississippi-Iowa-Skunk-Wapsipinicon Subregion 0708
  
• Upper Mississippi Region 07 (There are 131 cataloging units in this region.)
  The state composition by area is 100.0% Iowa.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 4232.1 km² ( 1634.7 mi² ) [% in USA = 68.21, % in Region = 64.12]
  The area from the USGS is 1610 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 543)

  IV. Elevation Analysis

  This analysis is based on 1689422 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 222.1 m ( 728.7 ft ) [% in USA = 27.33, % in Region = 27.48]
  The elevation standard deviation is 19.8 m ( 65.0 ft ) [% in USA = 10.90, % in Region = 12.21]
  The coefficient of variation is 8.9 %.
  The vertical relief is 131.0 m ( 429.8 ft ) [% in USA = 15.02, % in Region = 24.43]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	160.0	197.0	207.1	213.0	216.5	224.0	228.8	231.3	242.4	245.0	291.0
  feet	524.9	646.3	679.5	698.8	710.3	734.9	750.6	758.8	795.3	803.8	954.7

  

  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	434.8	270.2	0.103	0.165	57.27	45.80
  Intermittent Shoreline	10.4	6.5	0.002	0.004	67.17	69.47
  Perennial Streams	986.6	613.2	0.233	0.375	45.62	29.01
  Intermittent Streams	2302.0	1430.7	0.544	0.875	74.61	81.68
  Canals	0.1	0.1	0.000	0.000	36.52	25.95
  1° roads	0.0	0.0	0.000	0.000	30.84	12.98
  2° roads	179.8	111.7	0.042	0.068	74.56	74.81
  3° roads	293.7	182.5	0.069	0.112	60.35	35.11
  4° roads	5266.3	3273.0	1.244	2.002	58.31	49.62
  Total Roads	5739.7	3567.3	1.356	2.182	56.61	47.33
  Railroads	291.3	181.0	0.069	0.111	73.28	53.44
  Pipes and Powerlines	147.9	91.9	0.035	0.056	56.61	64.89

  
  Of the natural water in this HUC, 61.93% (by length) is intermittent [% in USA = 62.62, % in Region = 91.60]

  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