Little Humboldt -- Cataloging Unit 16040109

• Humboldt Accounting Unit 160401
  
• Black Rock Desert-Humboldt Subregion 1604
  
• Great Basin Region 16 (There are 71 cataloging units in this region.)
  The state composition by area is 100.0% Nevada.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 4546.7 km² ( 1756.2 mi² ) [% in USA = 72.29, % in Region = 54.93]
  The area from the USGS is 1740 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 572)

  IV. Elevation Analysis

  This analysis is based on 1815598 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 1658.4 m ( 5440.9 ft ) [% in USA = 86.83, % in Region = 32.39]
  The elevation standard deviation is 252.0 m ( 826.8 ft ) [% in USA = 77.45, % in Region = 26.76]
  The coefficient of variation is 15.2 %.
  The vertical relief is 1620.2 m ( 5315.6 ft ) [% in USA = 79.44, % in Region = 35.21]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	1305.8	1351.0	1410.8	1471.5	1582.3	1644.2	1690.9	1767.0	1863.6	2010.8	2926.0
  feet	4284.1	4432.4	4628.6	4827.7	5191.2	5394.3	5547.5	5797.2	6114.1	6597.0	9599.6

  

  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	37.4	23.2	0.008	0.013	10.66	36.62
  Intermittent Shoreline	1.1	0.7	0.000	0.000	37.28	16.90
  Perennial Streams	703.9	437.5	0.155	0.249	33.06	69.01
  Intermittent Streams	3176.6	1974.3	0.699	1.124	87.64	73.24
  Canals	19.5	12.1	0.004	0.007	56.89	33.80
  1° roads	0.0	0.0	0.000	0.000	30.84	53.52
  2° roads	31.8	19.8	0.007	0.011	23.73	40.85
  3° roads	41.1	25.5	0.009	0.015	9.85	16.90
  4° roads	3000.5	1864.8	0.660	1.062	14.68	52.11
  Total Roads	3073.4	1910.2	0.676	1.088	13.50	49.30
  Railroads	0.0	0.0	0.000	0.000	12.60	32.39
  Pipes and Powerlines	0.0	0.0	0.000	0.000	8.67	11.27

  
  Of the natural water in this HUC, 81.09% (by length) is intermittent [% in USA = 79.63, % in Region = 40.85]

  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