Salt Basin -- Cataloging Unit 13050004

• Rio Grande closed basins Subregion 1305
  
• Rio Grande Region 13 (There are 70 cataloging units in this region.)
  The state composition by area is 69.7% Texas, 30.3% New Mexico.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 20644.8 km² ( 7974.4 mi² ) [% in USA = 99.67, % in Region = 100.00]
  The area from the USGS is 7900 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 1829)

  IV. Elevation Analysis

  This analysis is based on 8244557 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 1431.8 m ( 4697.4 ft ) [% in USA = 81.57, % in Region = 54.29]
  The elevation standard deviation is 238.5 m ( 782.5 ft ) [% in USA = 75.94, % in Region = 55.71]
  The coefficient of variation is 16.7 %.
  The vertical relief is 2065.5 m ( 6776.5 ft ) [% in USA = 88.77, % in Region = 90.00]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	896.2	1157.0	1238.9	1303.4	1351.5	1399.9	1449.1	1507.4	1581.9	1709.8	2961.7
  feet	2940.3	3795.9	4064.6	4276.2	4434.0	4592.8	4754.2	4945.5	5189.9	5609.5	9716.7

  

  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	26.5	16.5	0.001	0.002	3.84	32.86
  Intermittent Shoreline	100.1	62.2	0.005	0.008	76.27	50.00
  Perennial Streams	2.2	1.4	0.000	0.000	2.32	18.57
  Intermittent Streams	10368.5	6444.1	0.502	0.808	69.54	64.29
  Canals	61.7	38.3	0.003	0.005	54.00	55.71
  1° roads	87.7	54.5	0.004	0.007	47.13	64.29
  2° roads	202.1	125.6	0.010	0.016	27.38	34.29
  3° roads	311.0	193.3	0.015	0.024	16.30	32.86
  4° roads	15174.0	9430.7	0.735	1.183	18.71	30.00
  Total Roads	15774.8	9804.1	0.764	1.229	17.24	24.29
  Railroads	222.2	138.1	0.011	0.017	21.17	45.71
  Pipes and Powerlines	157.5	97.9	0.008	0.012	20.89	58.57

  
  Of the natural water in this HUC, 99.73% (by length) is intermittent [% in USA = 98.67, % in Region = 87.14]

  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