Lower Grand -- Cataloging Unit 10280103

• Grand Accounting Unit 102801
  
• Chariton-Grand Subregion 1028
  
• Missouri Region 10 (There are 310 cataloging units in this region.)
  The state composition by area is 94.5% Missouri, 5.5% Iowa.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 6148.3 km² ( 2374.9 mi² ) [% in USA = 87.54, % in Region = 81.61]
  The area from the USGS is 2330 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 1254)

  IV. Elevation Analysis

  This analysis is based on 2454776 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 258.5 m ( 848.1 ft ) [% in USA = 33.16, % in Region = 3.55]
  The elevation standard deviation is 37.1 m ( 121.7 ft ) [% in USA = 28.94, % in Region = 16.45]
  The coefficient of variation is 14.4 %.
  The vertical relief is 155.0 m ( 508.5 ft ) [% in USA = 19.42, % in Region = 5.48]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	189.0	211.0	219.0	237.6	244.0	255.4	272.8	279.7	294.0	309.7	344.0
  feet	620.1	692.2	718.5	779.5	800.5	837.9	895.0	917.6	964.6	1016.1	1128.6

  

  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	445.4	276.8	0.072	0.117	45.43	63.23
  Intermittent Shoreline	2.4	1.5	0.000	0.001	41.50	17.74
  Perennial Streams	1279.3	795.1	0.208	0.335	41.12	68.39
  Intermittent Streams	4422.8	2748.8	0.719	1.157	88.63	70.00
  Canals	0.0	0.0	0.000	0.000	35.62	43.55
  1° roads	0.9	0.6	0.000	0.000	35.10	52.58
  2° roads	172.5	107.2	0.028	0.045	53.86	67.10
  3° roads	1561.9	970.7	0.254	0.409	96.49	97.74
  4° roads	5408.1	3361.2	0.880	1.415	28.04	48.71
  Total Roads	7143.5	4439.7	1.162	1.869	40.27	67.42
  Railroads	416.0	258.5	0.068	0.109	72.15	86.13
  Pipes and Powerlines	286.4	178.0	0.047	0.075	67.69	85.81

  
  Of the natural water in this HUC, 71.96% (by length) is intermittent [% in USA = 71.77, % in Region = 44.52]

  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