Lower Des Moines -- Cataloging Unit 07100009

• Des Moines Subregion 0710
  
• Upper Mississippi Region 07 (There are 131 cataloging units in this region.)
  The state composition by area is 97.7% Iowa, 2.3% Missouri.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 5535.3 km² ( 2138.1 mi² ) [% in USA = 83.04, % in Region = 87.02]
  The area from the USGS is 2110 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 1040)

  IV. Elevation Analysis

  This analysis is based on 2210019 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 241.1 m ( 791.0 ft ) [% in USA = 30.27, % in Region = 33.59]
  The elevation standard deviation is 33.4 m ( 109.6 ft ) [% in USA = 25.15, % in Region = 58.78]
  The coefficient of variation is 13.9 %.
  The vertical relief is 171.0 m ( 561.0 ft ) [% in USA = 23.02, % in Region = 53.44]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	146.0	198.0	213.0	220.5	230.0	243.6	251.0	259.4	274.0	287.7	317.0
  feet	479.0	649.6	698.8	723.4	754.6	799.2	823.5	851.0	898.9	943.9	1040.0

  

  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	677.6	421.1	0.122	0.197	63.24	49.62
  Intermittent Shoreline	1.4	0.9	0.000	0.000	37.75	30.53
  Perennial Streams	1021.5	634.9	0.185	0.297	37.66	11.45
  Intermittent Streams	3788.2	2354.4	0.684	1.101	86.83	97.71
  Canals	6.1	3.8	0.001	0.002	46.19	32.82
  1° roads	4.5	2.8	0.001	0.001	40.64	24.43
  2° roads	141.1	87.7	0.025	0.041	50.02	33.59
  3° roads	429.7	267.0	0.078	0.125	64.14	45.04
  4° roads	6463.2	4016.9	1.168	1.879	50.83	27.48
  Total Roads	7038.5	4374.5	1.272	2.046	48.84	22.90
  Railroads	440.8	273.9	0.080	0.128	78.78	60.31
  Pipes and Powerlines	165.2	102.7	0.030	0.048	50.88	50.38

  
  Of the natural water in this HUC, 69.04% (by length) is intermittent [% in USA = 69.02, % in Region = 97.71]

  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