Little Tallahatchie -- Cataloging Unit 08030201

• Yazoo Accounting Unit 080302
  
• Lower Mississippi - Yazoo Subregion 0803
  
• Lower Mississippi Region 08 (There are 82 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 4287.0 km² ( 1655.9 mi² ) [% in USA = 69.16, % in Region = 75.61]
  The area from the USGS is 1640 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 1856)

  IV. Elevation Analysis

  This analysis is based on 1711981 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 122.8 m ( 402.9 ft ) [% in USA = 17.20, % in Region = 89.02]
  The elevation standard deviation is 26.5 m ( 86.9 ft ) [% in USA = 17.91, % in Region = 73.17]
  The coefficient of variation is 21.6 %.
  The vertical relief is 162.0 m ( 531.5 ft ) [% in USA = 20.70, % in Region = 91.46]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	51.0	87.6	100.8	113.6	120.0	122.0	123.6	137.7	151.0	152.0	213.0
  feet	167.3	287.4	330.7	372.7	393.7	400.3	405.5	451.8	495.4	498.7	698.8

  

  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	646.3	401.7	0.151	0.243	72.00	51.22
  Intermittent Shoreline	0.7	0.4	0.000	0.000	33.44	41.46
  Perennial Streams	1069.1	664.5	0.249	0.401	48.27	31.71
  Intermittent Streams	3044.7	1892.3	0.710	1.143	88.30	84.15
  Canals	27.9	17.3	0.007	0.010	61.35	32.93
  1° roads	41.6	25.9	0.010	0.016	54.67	43.90
  2° roads	86.7	53.9	0.020	0.033	42.59	20.73
  3° roads	593.2	368.7	0.138	0.223	82.80	51.22
  4° roads	4361.6	2710.8	1.017	1.637	37.57	41.46
  Total Roads	5083.2	3159.2	1.186	1.908	41.69	35.37
  Railroads	216.2	134.4	0.050	0.081	59.36	47.56
  Pipes and Powerlines	252.9	157.2	0.059	0.095	78.21	63.41

  
  Of the natural water in this HUC, 63.97% (by length) is intermittent [% in USA = 64.66, % in Region = 84.15]

  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