Ivanpah-Pahrump Valleys -- Cataloging Unit 16060015

• Central Nevada Desert Basins Subregion 1606
  
• Great Basin Region 16 (There are 71 cataloging units in this region.)
  The state composition by area is 70.8% Nevada, 29.2% California.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 7475.9 km² ( 2887.7 mi² ) [% in USA = 93.65, % in Region = 78.87]
  The area from the USGS is 2830 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 697)

  IV. Elevation Analysis

  This analysis is based on 2985333 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 1138.3 m ( 3734.5 ft ) [% in USA = 75.18, % in Region = 1.41]
  The elevation standard deviation is 428.9 m ( 1407.1 ft ) [% in USA = 93.27, % in Region = 91.55]
  The coefficient of variation is 37.7 %.
  The vertical relief is 3137.4 m ( 10293.2 ft ) [% in USA = 98.77, % in Region = 100.00]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	429.5	773.3	827.1	868.0	928.2	1009.4	1105.1	1235.7	1401.8	1705.0	3566.9
  feet	1409.1	2537.0	2713.5	2847.7	3045.2	3311.6	3625.6	4054.1	4599.0	5593.8	11702.3

  

  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	2.9	1.8	0.000	0.001	1.94	7.04
  Intermittent Shoreline	38.2	23.7	0.005	0.008	76.84	84.51
  Perennial Streams	74.4	46.3	0.010	0.016	7.06	16.90
  Intermittent Streams	3910.8	2430.6	0.523	0.842	72.10	42.25
  Canals	13.6	8.4	0.002	0.003	49.74	21.13
  1° roads	73.1	45.4	0.010	0.016	54.81	73.24
  2° roads	77.3	48.1	0.010	0.017	27.90	52.11
  3° roads	211.5	131.5	0.028	0.046	29.23	56.34
  4° roads	5341.1	3319.5	0.714	1.150	17.62	66.20
  Total Roads	5703.0	3544.4	0.763	1.227	17.05	64.79
  Railroads	123.0	76.5	0.016	0.026	26.01	56.34
  Pipes and Powerlines	345.8	214.9	0.046	0.074	67.36	90.14

  
  Of the natural water in this HUC, 98.08% (by length) is intermittent [% in USA = 95.83, % in Region = 90.14]

  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