Upper Leaf -- Cataloging Unit 03170004

• Pascagoula Subregion 0317
  
• South Atlantic-Gulf Region 03 (There are 198 cataloging units in this region.)
  The state composition by area is 100.0% Mississippi.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 4556.0 km² ( 1759.8 mi² ) [% in USA = 72.38, % in Region = 76.26]
  The area from the USGS is 1760 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 1682)

  IV. Elevation Analysis

  This analysis is based on 1820532 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 106.4 m ( 349.1 ft ) [% in USA = 15.63, % in Region = 68.69]
  The elevation standard deviation is 30.3 m ( 99.4 ft ) [% in USA = 22.03, % in Region = 60.61]
  The coefficient of variation is 28.5 %.
  The vertical relief is 164.0 m ( 538.1 ft ) [% in USA = 20.99, % in Region = 58.59]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	34.0	62.7	77.8	91.0	99.4	107.0	117.0	122.0	133.4	142.1	198.0
  feet	111.5	205.7	255.2	298.6	326.1	351.0	383.9	400.3	437.7	466.2	649.6

  

  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	283.4	176.1	0.062	0.100	40.79	9.09
  Intermittent Shoreline	0.0	0.0	0.000	0.000	26.95	29.80
  Perennial Streams	1855.0	1152.9	0.407	0.655	70.96	44.44
  Intermittent Streams	3209.1	1994.5	0.704	1.133	87.78	95.96
  Canals	0.0	0.0	0.000	0.000	35.62	41.41
  1° roads	65.2	40.5	0.014	0.023	61.68	40.91
  2° roads	176.2	109.5	0.039	0.062	69.11	26.77
  3° roads	583.0	362.4	0.128	0.206	80.44	66.16
  4° roads	5533.8	3439.3	1.215	1.954	55.19	24.24
  Total Roads	6358.3	3951.7	1.396	2.246	60.73	28.28
  Railroads	229.5	142.6	0.050	0.081	59.31	37.37
  Pipes and Powerlines	769.9	478.5	0.169	0.272	99.57	99.49

  
  Of the natural water in this HUC, 60.01% (by length) is intermittent [% in USA = 60.54, % in Region = 95.96]

  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