Death Valley-Lower Amargosa -- Cataloging Unit 18090203

• Northern Mojave Accounting Unit 180902
  
• Northern Mojave-Mono Lake Subregion 1809
  
• California Region 18 (There are 135 cataloging units in this region.)
  The state composition by area is 93.1% California, 6.9% Nevada.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 13847.1 km² ( 5348.7 mi² ) [% in USA = 99.34, % in Region = 97.78]
  The area from the USGS is 5330 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 685)

  IV. Elevation Analysis

  This analysis is based on 5529007 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 859.5 m ( 2819.8 ft ) [% in USA = 68.78, % in Region = 59.26]
  The elevation standard deviation is 572.3 m ( 1877.6 ft ) [% in USA = 98.44, % in Region = 85.19]
  The coefficient of variation is 66.6 %.
  The vertical relief is 3145.4 m ( 10319.4 ft ) [% in USA = 98.86, % in Region = 89.63]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	-84.8	60.4	276.2	511.0	694.3	864.0	1032.6	1177.0	1346.2	1613.0	3060.6
  feet	-278.2	198.2	906.2	1676.5	2277.9	2834.6	3387.8	3861.5	4416.6	5291.9	10041.2

  

  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	78.0	48.5	0.006	0.009	9.19	11.11
  Intermittent Shoreline	214.6	133.4	0.016	0.025	89.53	87.41
  Perennial Streams	56.7	35.2	0.004	0.007	5.21	4.44
  Intermittent Streams	8508.2	5287.9	0.614	0.989	81.76	82.96
  Canals	20.2	12.6	0.001	0.002	48.37	30.37
  1° roads	32.9	20.4	0.002	0.004	44.39	47.41
  2° roads	0.0	0.0	0.000	0.000	15.35	73.33
  3° roads	191.9	119.3	0.014	0.022	14.97	14.07
  4° roads	3371.9	2095.7	0.244	0.392	1.37	2.22
  Total Roads	3596.8	2235.4	0.260	0.418	1.37	2.22
  Railroads	0.0	0.0	0.000	0.000	12.60	30.37
  Pipes and Powerlines	93.0	57.8	0.007	0.011	19.56	27.41

  
  Of the natural water in this HUC, 98.48% (by length) is intermittent [% in USA = 96.35, % in Region = 95.56]

  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