Upper Klamath Lake -- Cataloging Unit 18010203

• Klamath Accounting Unit 180102
  
• Klamath-Northern California Coastal Subregion 1801
  
• California Region 18 (There are 135 cataloging units in this region.)
  The state composition by area is 100.0% Oregon.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 1915.7 km² ( 740.0 mi² ) [% in USA = 17.43, % in Region = 41.48]
  The area from the USGS is 738 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 541)

  IV. Elevation Analysis

  This analysis is based on 764546 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 1493.8 m ( 4900.9 ft ) [% in USA = 83.14, % in Region = 83.70]
  The elevation standard deviation is 252.8 m ( 829.4 ft ) [% in USA = 77.64, % in Region = 37.78]
  The coefficient of variation is 16.9 %.
  The vertical relief is 1178.0 m ( 3864.8 ft ) [% in USA = 70.01, % in Region = 28.15]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	1260.0	1262.0	1271.0	1283.9	1335.0	1391.5	1470.1	1602.7	1760.5	1886.4	2438.0
  feet	4133.8	4140.4	4169.9	4212.2	4379.9	4565.2	4823.1	5258.1	5775.8	6188.9	7998.6

  

  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	319.0	198.3	0.167	0.268	75.13	86.67
  Intermittent Shoreline	0.0	0.0	0.000	0.000	26.95	33.33
  Perennial Streams	455.0	282.8	0.237	0.382	46.42	46.67
  Intermittent Streams	141.8	88.1	0.074	0.119	16.01	17.78
  Canals	250.4	155.6	0.131	0.210	94.50	90.37
  1° roads	0.0	0.0	0.000	0.000	30.84	40.00
  2° roads	25.6	15.9	0.013	0.021	32.31	88.15
  3° roads	110.9	68.9	0.058	0.093	53.15	64.44
  4° roads	1805.0	1121.8	0.942	1.516	31.93	25.19
  Total Roads	1941.5	1206.6	1.013	1.631	31.26	26.67
  Railroads	28.3	17.6	0.015	0.024	24.40	40.74
  Pipes and Powerlines	19.9	12.4	0.010	0.017	24.87	36.30

  
  Of the natural water in this HUC, 15.48% (by length) is intermittent [% in USA = 20.18, % in Region = 22.22]

  VI. Other sites

  • EPA- Surf Your Watershed - Index of Watershed Indicators
  • USGS- Science in Your Watershed - Selected Realtime Streamflow Stations
  • CTIC- Known Your Watershed

  ---

  1999 SEPT 4, Last updated on 2003 JAN 23
  
  D.L. Gustafson, dlg@rapid.msu.montana.edu