Betsy-Chocolay -- Cataloging Unit 04020201

• Southeastern Lake Superior Accounting Unit 040202
  
• Southern Lake Superior-Lake Superior Subregion 0402
  
• Great Lakes Region 04 (There are 111 cataloging units in this region.)
  The state composition by area is 100.0% Michigan.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 3030.1 km² ( 1170.4 mi² ) [% in USA = 47.28, % in Region = 65.77]
  The area from the USGS is 1180 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 638)

  IV. Elevation Analysis

  This analysis is based on 1210898 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 249.6 m ( 818.9 ft ) [% in USA = 31.64, % in Region = 46.85]
  The elevation standard deviation is 41.2 m ( 135.2 ft ) [% in USA = 32.50, % in Region = 50.45]
  The coefficient of variation is 16.5 %.
  The vertical relief is 213.0 m ( 698.8 ft ) [% in USA = 30.84, % in Region = 52.25]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	183.0	198.0	213.9	225.4	234.0	243.0	255.0	268.9	284.2	305.0	396.0
  feet	600.4	649.6	701.8	739.5	767.7	797.2	836.6	882.2	932.4	1000.6	1299.2

  

  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	608.6	378.2	0.201	0.323	80.53	65.77
  Intermittent Shoreline	2.2	1.4	0.001	0.001	49.64	72.07
  Perennial Streams	1013.0	629.6	0.334	0.538	62.25	46.85
  Intermittent Streams	113.7	70.7	0.038	0.060	11.75	24.32
  Canals	0.0	0.0	0.000	0.000	35.62	36.04
  1° roads	0.1	0.1	0.000	0.000	32.12	25.23
  2° roads	26.0	16.2	0.009	0.014	25.72	35.14
  3° roads	122.9	76.4	0.041	0.065	39.51	19.82
  4° roads	2957.4	1838.0	0.976	1.570	34.72	24.32
  Total Roads	3106.5	1930.7	1.025	1.650	32.02	21.62
  Railroads	99.1	61.6	0.033	0.053	41.88	17.12
  Pipes and Powerlines	1.4	0.8	0.000	0.001	10.18	9.91

  
  Of the natural water in this HUC, 6.67% (by length) is intermittent [% in USA = 12.27, % in Region = 23.42]

  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