Big Papillion-Mosquito -- Cataloging Unit 10230006

• Missouri-Little Sioux Subregion 1023
  
• Missouri Region 10 (There are 310 cataloging units in this region.)
  The state composition by area is 56.4% Iowa, 43.6% Nebraska.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 3146.2 km² ( 1215.3 mi² ) [% in USA = 49.64, % in Region = 41.29]
  The area from the USGS is 1160 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 680)

  IV. Elevation Analysis

  This analysis is based on 1256855 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 354.2 m ( 1162.1 ft ) [% in USA = 45.71, % in Region = 11.61]
  The elevation standard deviation is 38.3 m ( 125.7 ft ) [% in USA = 30.22, % in Region = 16.77]
  The coefficient of variation is 10.8 %.
  The vertical relief is 165.0 m ( 541.3 ft ) [% in USA = 21.17, % in Region = 7.74]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	292.0	301.7	309.0	332.0	347.4	355.9	365.8	378.1	384.4	401.3	457.0
  feet	958.0	989.8	1013.8	1089.2	1139.7	1167.6	1200.1	1240.5	1261.1	1316.6	1499.3

  

  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	360.6	224.1	0.115	0.184	61.30	82.58
  Intermittent Shoreline	1.3	0.8	0.000	0.001	42.63	18.71
  Perennial Streams	780.2	484.9	0.248	0.399	47.94	77.10
  Intermittent Streams	646.1	401.5	0.205	0.330	32.45	7.74
  Canals	81.3	50.5	0.026	0.042	77.21	77.10
  1° roads	311.0	193.3	0.099	0.159	96.73	99.68
  2° roads	198.1	123.1	0.063	0.101	91.05	98.39
  3° roads	338.1	210.1	0.107	0.173	75.13	89.68
  4° roads	7408.9	4604.7	2.355	3.789	95.36	100.00
  Total Roads	8256.1	5131.2	2.624	4.222	95.55	100.00
  Railroads	576.4	358.2	0.183	0.295	97.16	99.68
  Pipes and Powerlines	49.8	30.9	0.016	0.025	32.35	45.16

  
  Of the natural water in this HUC, 36.20% (by length) is intermittent [% in USA = 39.65, % in Region = 8.06]

  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