Lower Platte-Shell -- Cataloging Unit 10200201

• Lower Platte Accounting Unit 102002
  
• Platte Subregion 1020
  
• Missouri Region 10 (There are 310 cataloging units in this region.)
  The state composition by area is 100.0% Nebraska.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 2270.0 km² ( 876.8 mi² ) [% in USA = 27.52, % in Region = 21.61]
  The area from the USGS is 879 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 232)

  IV. Elevation Analysis

  This analysis is based on 907279 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 482.6 m ( 1583.3 ft ) [% in USA = 55.57, % in Region = 23.23]
  The elevation standard deviation is 51.9 m ( 170.3 ft ) [% in USA = 40.08, % in Region = 30.97]
  The coefficient of variation is 10.8 %.
  The vertical relief is 245.4 m ( 805.1 ft ) [% in USA = 35.77, % in Region = 24.84]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	391.0	414.0	433.7	452.4	467.3	482.4	491.8	503.0	518.0	563.5	636.4
  feet	1282.8	1358.3	1422.9	1484.2	1533.1	1582.7	1613.5	1650.2	1699.5	1848.7	2087.9

  

  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	412.0	256.0	0.181	0.292	77.83	94.52
  Intermittent Shoreline	5.2	3.2	0.002	0.004	65.89	38.39
  Perennial Streams	350.9	218.1	0.155	0.249	32.97	56.45
  Intermittent Streams	1733.4	1077.3	0.764	1.229	91.33	76.13
  Canals	69.6	43.2	0.031	0.049	78.92	79.35
  1° roads	0.0	0.0	0.000	0.000	30.84	48.39
  2° roads	75.0	46.6	0.033	0.053	61.49	73.55
  3° roads	110.6	68.7	0.049	0.078	45.38	69.03
  4° roads	3094.5	1923.2	1.363	2.193	69.64	94.84
  Total Roads	3280.1	2038.6	1.445	2.325	65.18	93.55
  Railroads	118.5	73.7	0.052	0.084	60.92	79.35
  Pipes and Powerlines	189.9	118.0	0.084	0.135	89.67	97.74

  
  Of the natural water in this HUC, 69.50% (by length) is intermittent [% in USA = 69.45, % in Region = 40.32]

  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