East Nishnabotna -- Cataloging Unit 10240003

• Missouri-Nishnabotna Subregion 1024
  
• Missouri Region 10 (There are 310 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 3018.0 km² ( 1165.8 mi² ) [% in USA = 46.99, % in Region = 39.03]
  The area from the USGS is 1140 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 314)

  IV. Elevation Analysis

  This analysis is based on 1205517 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 383.3 m ( 1257.5 ft ) [% in USA = 48.65, % in Region = 14.52]
  The elevation standard deviation is 42.1 m ( 138.1 ft ) [% in USA = 33.59, % in Region = 21.29]
  The coefficient of variation is 11.0 %.
  The vertical relief is 197.7 m ( 648.6 ft ) [% in USA = 28.09, % in Region = 15.48]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	277.0	320.0	338.8	365.0	381.0	394.3	398.1	411.0	422.8	431.5	474.7
  feet	908.8	1049.9	1111.5	1197.5	1250.0	1293.6	1306.1	1348.4	1387.1	1415.7	1557.4

  

  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	162.9	101.3	0.054	0.087	37.85	51.94
  Intermittent Shoreline	1.2	0.7	0.000	0.001	41.83	18.06
  Perennial Streams	870.7	541.2	0.289	0.464	55.00	84.19
  Intermittent Streams	1842.8	1145.3	0.611	0.982	81.24	59.03
  Canals	0.0	0.0	0.000	0.000	35.62	43.55
  1° roads	56.2	34.9	0.019	0.030	67.65	84.52
  2° roads	135.1	83.9	0.045	0.072	76.50	87.42
  3° roads	237.4	147.6	0.079	0.127	64.33	86.13
  4° roads	3644.3	2265.0	1.208	1.943	54.90	83.87
  Total Roads	4073.0	2531.4	1.350	2.171	55.61	83.55
  Railroads	195.9	121.7	0.065	0.104	70.39	84.84
  Pipes and Powerlines	159.7	99.2	0.053	0.085	73.05	89.35

  
  Of the natural water in this HUC, 64.08% (by length) is intermittent [% in USA = 64.95, % in Region = 31.61]

  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