Nishnabotna -- Cataloging Unit 10240004

• Missouri-Nishnabotna Subregion 1024
  
• Missouri Region 10 (There are 310 cataloging units in this region.)
  The state composition by area is 54.2% Iowa, 43.4% Missouri, 2.4% Nebraska.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 522.1 km² ( 201.7 mi² ) [% in USA = 1.52, % in Region = 0.97]
  The area from the USGS is 173 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 102)

  IV. Elevation Analysis

  This analysis is based on 208677 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 306.0 m ( 1003.9 ft ) [% in USA = 39.65, % in Region = 7.10]
  The elevation standard deviation is 27.9 m ( 91.5 ft ) [% in USA = 20.09, % in Region = 5.81]
  The coefficient of variation is 9.1 %.
  The vertical relief is 115.5 m ( 378.9 ft ) [% in USA = 11.18, % in Region = 0.97]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	271.0	274.3	277.9	282.0	287.0	304.0	316.3	322.7	334.9	345.2	386.5
  feet	889.1	899.9	911.7	925.2	941.6	997.4	1037.7	1058.7	1098.7	1132.5	1268.0

  

  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	82.5	51.3	0.158	0.254	73.80	90.97
  Intermittent Shoreline	0.0	0.0	0.000	0.000	26.95	8.71
  Perennial Streams	116.6	72.4	0.223	0.359	43.91	72.58
  Intermittent Streams	182.0	113.1	0.349	0.561	50.69	20.32
  Canals	32.1	19.9	0.061	0.099	87.40	89.35
  1° roads	26.9	16.7	0.052	0.083	90.05	97.74
  2° roads	35.7	22.2	0.068	0.110	92.99	99.03
  3° roads	77.1	47.9	0.148	0.238	84.60	92.58
  4° roads	532.3	330.8	1.020	1.640	37.90	63.55
  Total Roads	672.0	417.6	1.287	2.071	50.17	78.06
  Railroads	38.4	23.9	0.074	0.118	75.79	89.35
  Pipes and Powerlines	0.8	0.5	0.001	0.002	11.94	18.06

  
  Of the natural water in this HUC, 47.77% (by length) is intermittent [% in USA = 49.69, % in Region = 16.13]

  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