Albemarle -- Cataloging Unit 03010205

• 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 80.4% North Carolina, 19.6% Virginia.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 7043.1 km² ( 2720.5 mi² ) [% in USA = 92.04, % in Region = 94.44]
  The area from the USGS is 3750 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 1990)

  IV. Elevation Analysis

  This analysis is based on 2812970 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 2.8 m ( 9.2 ft ) [% in USA = 0.99, % in Region = 3.54]
  The elevation standard deviation is 3.3 m ( 10.8 ft ) [% in USA = 1.47, % in Region = 5.56]
  The coefficient of variation is 117.9 %.
  The vertical relief is 24.0 m ( 78.7 ft ) [% in USA = 1.80, % in Region = 8.08]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	0.0	0.0	0.0	1.0	2.0	2.6	3.0	3.0	4.0	6.0	24.0
  feet	0.0	0.0	0.0	3.3	6.6	8.5	9.8	9.8	13.1	19.7	78.7

  

  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	1934.4	1202.3	0.275	0.442	89.06	74.75
  Intermittent Shoreline	15.1	9.4	0.002	0.003	64.85	72.73
  Perennial Streams	1076.9	669.3	0.153	0.246	32.69	7.07
  Intermittent Streams	1603.0	996.3	0.228	0.366	35.15	53.03
  Canals	1956.2	1215.8	0.278	0.447	98.06	95.96
  1° roads	9.2	5.7	0.001	0.002	41.97	19.19
  2° roads	361.4	224.6	0.051	0.083	83.56	53.54
  3° roads	414.1	257.4	0.059	0.095	53.86	11.11
  4° roads	7655.4	4757.9	1.087	1.749	43.82	12.12
  Total Roads	8440.2	5245.6	1.198	1.928	42.49	8.59
  Railroads	187.2	116.3	0.027	0.043	35.62	9.09
  Pipes and Powerlines	97.4	60.5	0.014	0.022	29.51	9.60

  
  Of the natural water in this HUC, 34.95% (by length) is intermittent [% in USA = 38.28, % in Region = 70.71]

  VI. Other sites

  • EPA- Surf Your Watershed - Index of Watershed Indicators
  • USGS- Science in Your Watershed - Selected Realtime Streamflow Stations
  • CTIC- Known Your Watershed

  ---

  1999 SEPT 4, Last updated on 2003 JAN 23
  
  D.L. Gustafson, dlg@rapid.msu.montana.edu