Meheriin -- Cataloging Unit 03010204

• Albemarle-Chowan Accounting Unit 030102
  
• Chowan-Roanoke Subregion 0301
  
• South Atlantic-Gulf Region 03 (There are 198 cataloging units in this region.)
  The state composition by area is 68.9% Virginia, 31.1% North Carolina.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 4188.9 km² ( 1618.0 mi² ) [% in USA = 67.79, % in Region = 71.72]
  The area from the USGS is 1600 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 1294)

  IV. Elevation Analysis

  This analysis is based on 1673620 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 67.5 m ( 221.5 ft ) [% in USA = 11.04, % in Region = 51.01]
  The elevation standard deviation is 48.6 m ( 159.4 ft ) [% in USA = 38.09, % in Region = 83.33]
  The coefficient of variation is 72.0 %.
  The vertical relief is 191.9 m ( 629.6 ft ) [% in USA = 27.33, % in Region = 71.21]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	0.0	15.0	15.1	30.0	30.0	61.0	77.8	91.7	121.9	143.3	191.9
  feet	0.0	49.2	49.5	98.4	98.4	200.1	255.2	300.8	399.9	470.1	629.6

  

  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	250.5	155.7	0.060	0.096	39.70	8.08
  Intermittent Shoreline	0.0	0.0	0.000	0.000	26.95	29.80
  Perennial Streams	2376.9	1477.3	0.567	0.913	88.82	82.83
  Intermittent Streams	1250.3	777.1	0.298	0.480	44.67	68.18
  Canals	0.0	0.0	0.000	0.000	35.62	41.41
  1° roads	84.0	52.2	0.020	0.032	69.87	53.54
  2° roads	242.1	150.4	0.058	0.093	88.39	65.66
  3° roads	297.8	185.1	0.071	0.114	61.01	20.71
  4° roads	5917.6	3677.8	1.413	2.273	72.71	49.49
  Total Roads	6541.4	4065.5	1.562	2.513	72.76	46.97
  Railroads	304.8	189.4	0.073	0.117	75.27	68.69
  Pipes and Powerlines	371.2	230.7	0.089	0.143	91.19	72.22

  
  Of the natural water in this HUC, 32.24% (by length) is intermittent [% in USA = 35.95, % in Region = 66.67]

  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