North Skunk -- Cataloging Unit 07080106

• 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 2283.0 km² ( 881.8 mi² ) [% in USA = 27.85, % in Region = 16.79]
  The area from the USGS is 883 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 320)

  IV. Elevation Analysis

  This analysis is based on 911922 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 267.5 m ( 877.6 ft ) [% in USA = 34.77, % in Region = 38.93]
  The elevation standard deviation is 27.9 m ( 91.5 ft ) [% in USA = 20.09, % in Region = 45.80]
  The coefficient of variation is 10.4 %.
  The vertical relief is 155.9 m ( 511.5 ft ) [% in USA = 19.61, % in Region = 41.22]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	191.0	229.4	244.0	251.2	259.0	265.4	274.0	286.1	290.7	305.0	346.9
  feet	626.6	752.6	800.5	824.1	849.7	870.7	898.9	938.6	953.7	1000.6	1138.1

  

  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	112.6	70.0	0.049	0.079	35.72	18.32
  Intermittent Shoreline	8.4	5.3	0.004	0.006	73.05	77.10
  Perennial Streams	790.8	491.5	0.346	0.557	64.00	86.26
  Intermittent Streams	1294.3	804.4	0.567	0.912	76.50	85.50
  Canals	0.0	0.0	0.000	0.000	35.62	23.66
  1° roads	21.8	13.6	0.010	0.015	54.48	43.51
  2° roads	59.4	36.9	0.026	0.042	50.78	35.11
  3° roads	242.9	150.9	0.106	0.171	74.80	76.34
  4° roads	2733.6	1698.9	1.197	1.927	53.81	34.35
  Total Roads	3057.6	1900.3	1.339	2.155	54.81	40.46
  Railroads	112.9	70.2	0.049	0.080	58.79	25.95
  Pipes and Powerlines	80.3	49.9	0.035	0.057	56.80	66.41

  
  Of the natural water in this HUC, 59.05% (by length) is intermittent [% in USA = 59.78, % in Region = 81.68]

  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