Middle Des Moines -- Cataloging Unit 07100004

• Des Moines Subregion 0710
  
• 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 4422.5 km² ( 1708.3 mi² ) [% in USA = 71.06, % in Region = 70.23]
  The area from the USGS is 1690 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 720)

  IV. Elevation Analysis

  This analysis is based on 1766136 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 334.5 m ( 1097.4 ft ) [% in USA = 43.06, % in Region = 64.89]
  The elevation standard deviation is 35.1 m ( 115.2 ft ) [% in USA = 27.05, % in Region = 62.60]
  The coefficient of variation is 10.5 %.
  The vertical relief is 218.0 m ( 715.2 ft ) [% in USA = 31.79, % in Region = 71.76]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	233.0	289.0	305.0	318.5	334.6	339.0	343.0	350.0	363.9	377.7	451.0
  feet	764.4	948.2	1000.6	1044.9	1097.8	1112.2	1125.3	1148.3	1193.9	1239.2	1479.6

  

  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	569.3	353.8	0.129	0.207	65.18	51.91
  Intermittent Shoreline	39.6	24.6	0.009	0.014	83.85	94.66
  Perennial Streams	1029.8	640.0	0.233	0.375	45.57	28.24
  Intermittent Streams	808.0	502.2	0.183	0.294	29.46	19.85
  Canals	162.4	100.9	0.037	0.059	81.24	83.97
  1° roads	42.7	26.5	0.010	0.016	54.62	44.27
  2° roads	199.8	124.2	0.045	0.073	76.98	79.39
  3° roads	308.1	191.5	0.070	0.112	60.54	35.88
  4° roads	6360.5	3953.1	1.438	2.314	74.51	82.44
  Total Roads	6911.1	4295.3	1.563	2.514	72.95	74.81
  Railroads	424.3	263.7	0.096	0.154	85.69	70.99
  Pipes and Powerlines	201.0	124.9	0.045	0.073	66.75	85.50

  
  Of the natural water in this HUC, 34.64% (by length) is intermittent [% in USA = 38.04, % in Region = 26.72]

  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