Alvord Lake -- Cataloging Unit 17120009

• Oregon closed basins Subregion 1712
  
• Pacific Northwest Region 17 (There are 219 cataloging units in this region.)
  The state composition by area is 93.3% Oregon, 6.7% Nevada.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 5588.7 km² ( 2158.7 mi² ) [% in USA = 83.66, % in Region = 88.58]
  The area from the USGS is 2110 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 788)

  IV. Elevation Analysis

  This analysis is based on 2230828 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 1499.0 m ( 4917.9 ft ) [% in USA = 83.28, % in Region = 71.23]
  The elevation standard deviation is 274.2 m ( 899.6 ft ) [% in USA = 79.82, % in Region = 38.81]
  The coefficient of variation is 18.3 %.
  The vertical relief is 1715.0 m ( 5626.6 ft ) [% in USA = 81.67, % in Region = 49.32]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	1211.0	1246.0	1274.9	1299.4	1341.0	1402.0	1466.6	1578.9	1713.8	1903.3	2926.0
  feet	3973.0	4087.9	4182.7	4263.1	4399.6	4599.7	4811.6	5180.1	5622.6	6244.3	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	26.9	16.7	0.005	0.008	8.43	7.76
  Intermittent Shoreline	32.2	20.0	0.006	0.009	78.73	89.95
  Perennial Streams	634.0	394.1	0.113	0.183	27.33	10.50
  Intermittent Streams	3312.4	2058.7	0.593	0.954	79.49	90.41
  Canals	50.4	31.3	0.009	0.015	64.85	56.16
  1° roads	0.0	0.0	0.000	0.000	30.84	59.82
  2° roads	0.0	0.0	0.000	0.000	15.35	29.22
  3° roads	41.1	25.6	0.007	0.012	8.57	25.11
  4° roads	2742.2	1704.3	0.491	0.789	6.92	14.16
  Total Roads	2783.3	1729.9	0.498	0.801	6.11	13.24
  Railroads	0.0	0.0	0.000	0.000	12.60	28.31
  Pipes and Powerlines	95.9	59.6	0.017	0.028	34.82	44.75

  
  Of the natural water in this HUC, 83.50% (by length) is intermittent [% in USA = 81.95, % in Region = 94.52]

  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