Middle Gila -- Cataloging Unit 15050100

• Middle Gila Subregion 1505
  
• Lower Colorado Region 15 (There are 85 cataloging units in this region.)
  The state composition by area is 100.0% Arizona.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 8555.0 km² ( 3304.5 mi² ) [% in USA = 96.26, % in Region = 97.65]
  The area from the USGS is 3310 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 1875)

  IV. Elevation Analysis

  This analysis is based on 3416549 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 701.9 m ( 2302.8 ft ) [% in USA = 64.23, % in Region = 22.35]
  The elevation standard deviation is 305.4 m ( 1002.0 ft ) [% in USA = 83.37, % in Region = 67.06]
  The coefficient of variation is 43.5 %.
  The vertical relief is 2056.4 m ( 6746.6 ft ) [% in USA = 88.44, % in Region = 70.59]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	296.0	382.0	436.8	474.2	530.1	609.0	713.4	848.6	978.1	1155.6	2352.4
  feet	971.1	1253.3	1433.1	1555.8	1739.2	1998.0	2340.5	2784.1	3209.0	3791.3	7717.8

  

  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	116.4	72.3	0.014	0.022	15.49	69.41
  Intermittent Shoreline	42.0	26.1	0.005	0.008	76.41	69.41
  Perennial Streams	274.2	170.4	0.032	0.052	12.84	76.47
  Intermittent Streams	6827.3	4243.2	0.798	1.284	93.65	74.12
  Canals	915.2	568.8	0.107	0.172	92.85	96.47
  1° roads	136.2	84.6	0.016	0.026	64.05	75.29
  2° roads	164.3	102.1	0.019	0.031	40.93	75.29
  3° roads	258.5	160.7	0.030	0.049	31.03	80.00
  4° roads	12628.3	7848.6	1.476	2.375	77.21	95.29
  Total Roads	13187.3	8196.0	1.541	2.480	71.58	96.47
  Railroads	304.9	189.5	0.036	0.057	44.67	87.06
  Pipes and Powerlines	443.4	275.6	0.052	0.083	72.15	92.94

  
  Of the natural water in this HUC, 94.62% (by length) is intermittent [% in USA = 92.80, % in Region = 34.12]

  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