Santa Ynez -- Cataloging Unit 18060010

• Central California Coastal Subregion 1806
  
• California Region 18 (There are 135 cataloging units in this region.)
  The state composition by area is 100.0% California.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 2334.3 km² ( 901.7 mi² ) [% in USA = 29.09, % in Region = 54.07]
  The area from the USGS is 893 mi².
  

  II. Flow Connections (upstream and downstream units)

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

  IV. Elevation Analysis

  This analysis is based on 931537 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 570.7 m ( 1872.4 ft ) [% in USA = 59.69, % in Region = 43.70]
  The elevation standard deviation is 431.4 m ( 1415.3 ft ) [% in USA = 93.51, % in Region = 66.67]
  The coefficient of variation is 75.6 %.
  The vertical relief is 2071.4 m ( 6795.8 ft ) [% in USA = 88.96, % in Region = 58.52]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	0.0	121.0	190.5	254.3	316.5	420.1	559.1	745.7	988.2	1238.2	2071.4
  feet	0.0	397.0	625.0	834.3	1038.4	1378.3	1834.3	2446.5	3242.1	4062.3	6795.8

  

  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	104.1	64.7	0.045	0.072	33.59	37.78
  Intermittent Shoreline	0.0	0.0	0.000	0.000	26.95	33.33
  Perennial Streams	584.8	363.5	0.251	0.403	48.56	48.15
  Intermittent Streams	1807.7	1123.5	0.774	1.246	92.18	91.11
  Canals	14.7	9.2	0.006	0.010	60.87	44.44
  1° roads	23.8	14.8	0.010	0.016	55.23	55.56
  2° roads	0.0	0.0	0.000	0.000	15.35	73.33
  3° roads	138.0	85.8	0.059	0.095	54.10	65.93
  4° roads	2895.9	1799.8	1.241	1.996	57.89	52.59
  Total Roads	3057.7	1900.4	1.310	2.108	51.92	51.85
  Railroads	28.2	17.6	0.012	0.019	22.17	37.04
  Pipes and Powerlines	0.0	0.0	0.000	0.000	8.67	11.11

  
  Of the natural water in this HUC, 72.41% (by length) is intermittent [% in USA = 72.00, % in Region = 79.26]

  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