General Information

Project area general description

The state of North Carolina

Are any areas excluded?

MS River, OH River, IL River and Wabash River excluded.

Types of flow statistics available

peak flows (rural and urban/small rural)

ArcGIS version used for processing

Originally 9.1, with some updates using 9.2, 9.3, and 10.2.2

Was TopoGrid used to process DEMs?

No

DEM and derivatives projection (general description)

NC State Plane, NDA83 datum in feet

DEM and derivatives (fdr, fac, etc.) resolution

 30 feet

DEM source

NED 2004 in eastern half of state and Lidar in western half

Hydrography source

NHD 1:24,000-scale in eastern half of state and NHD derived from Lidar in western half

Hydrologic unit "walls" source

WBD boundaries in the east

Gage basin boundaries source

not used

Interactive map snapping tolerance

3 cells

 

Basin Characteristics Methods and Sources

Name

Description

Computation method

Data source

Report/Details

Variable label in report

DRNAREA

Drainage area in square miles

Polygon area

Derived from Flow Direction Grid

Weaver, J.C., Feaster, T.D., and Gotvald, A.J., 2009

DA

 

 

 

 

PCTREG1

Percent of area covered by hydrologic region 1

Percent of area

Derived from region grid

Weaver, J.C., Feaster, T.D., and Gotvald, A.J., 2009

PCT1

 

 

 

 

PCTREG2

Percent of area covered by hydrologic region 2

Percent of area

Derived from region grid

Weaver, J.C., Feaster, T.D., and Gotvald, A.J., 2009

PCT2

 

 

 

 

PCTREG3

Percent of area covered by hydrologic region 3

Percent of area

Derived from region grid

Weaver, J.C., Feaster, T.D., and Gotvald, A.J., 2009

PCT3

 

 

 

 

PCTREG4

Percent of area covered by hydrologic region 4

Percent of area

Derived from region grid

Weaver, J.C., Feaster, T.D., and Gotvald, A.J., 2009

PCT4

 

 

 

 

PCTREG5

Percent of area covered by hydrologic region 5

Percent of area

Derived from region grid

Weaver, J.C., Feaster, T.D., and Gotvald, A.J., 2009

PCT5

 

 

 

 

 

 

OUTLETELEV

Elevation at outlet, in feet

Computed

Derived from DEM

 

 

 

 

 

 

 

 

ELEV

Average basin elevation, in feet

Computed

Derived from DEM

 

 

 

 

MINBELEV

Minimum basin elevation, in feet

Computed

Derived from DEM

 

 

 

 

ELEVMAX

Maximum basin elevation, in feet

Computed

Derived from DEM

 

 

 

 

BSLDEM30FT

Mean basin slope, based on slope percent grid

Computed

Derived from slope grid

 

 

 

 

BASINPERIM

Perimeter in miles

Computed

Derived from basin polygon

 

 

 

 

CSL10_85FM

10-85 slope in feet per mile based on preprocessed elevation data

Computed

Derived from longest flow path and DEM

 

 

 

 

PRECIP

Mean annual precipitation in inches

Percent of area

PRISM 1971-2000

 

 

 

 

I24H50Y

24-hour, 50-year maximum precipitation

Area-weighted average

NOAA Atlas 14, volume 2

Feaster, T.D., Gotvald, A.J., and Weaver, J.C., 2011

I24H50Y

 

 

 

 

 

 

SSURGOA

Percent of area hydrologic  soil 'A' defined by SSURGO

Percent of area

http://soils.usda.gov/survey/geography/ssurgo/

 

 

 

 

 

 

 

 

SSURGOB

Percent of area hydrologic soil 'B' defined by SSURGO

Percent of area

http://soils.usda.gov/survey/geography/ssurgo/

 

 

 

 

 

 

 

 

SSURGOC

Percent of area hydrologic soil 'C' defined by SSURGO

Percent of area

http://soils.usda.gov/survey/geography/ssurgo/

 

 

 

 

 

 

 

 

SSURGOD

Percent of area hydrologic soil 'D' defined by SSURGO

Percent of area

http://soils.usda.gov/survey/geography/ssurgo/

 

 

 

 

 

 

 

 

PROTECTED

Percent of area of protected Federal and State owned land

Percent of area

 

 

 

 

 

 

 

 

 

LU92BARE

Percent of area covered by barren rock using 1992 NLCD

Percent of area

http://www.mrlc.gov/nlcd92_data.php

NLCD code 31, 32, 33

 

 

 

 

LU92DEV

Percent of area covered by all densities of developed land using 1992 NLCD

Percent of area

http://www.mrlc.gov/nlcd92_data.php

NLCD 21, 22, 23

 

 

 

 

 

 

 

LC92FOREST

Percent of area covered by forest using 1992 NLCD

Percent of area

http://www.mrlc.gov/nlcd92_data.php

NLCD 41, 42, 43

 

 

 

 

 

 

 

LU92PLANT

Percent of area in cultivation using 1992 NLCD

Percent of area

http://www.mrlc.gov/nlcd92_data.php

NLCD 81, 82

 

 

 

 

 

 

 

 

LU92WATER

Percent of area covered by water using 1992 NLCD

Percent of area

http://www.mrlc.gov/nlcd92_data.php

NLCD 11

 

 

 

 

 

 

 

LU92WETLN

Percent of area covered by wetland using 1992 NLCD

Percent of area

http://www.mrlc.gov/nlcd92_data.php

NLCD 92

 

 

 

 

 

 

 

LC01BARE

Percent of area covered by barren rock using 2001 NLCD v3

Percent of area

http://www.mrlc.gov/nlcd01_data.php

NLCD 31

 

 

 

 

LC01CRPHAY

Percent of area in cultivation using 2001 NLCD v3

Percent of area

http://www.mrlc.gov/nlcd01_data.php

NLCD 81,  82

 

 

 

 

 

 

 

LC01DEV

Percent of area covered by all densities of developed land using 2001 NLCD v3

Percent of area

http://www.mrlc.gov/nlcd01_data.php

NLCD 21, 22, 23, 24

 

 

 

 

LC01FOREST

Percent of area covered by forest using 2001 NLCD v3

Percent of area

http://www.mrlc.gov/nlcd01_data.php

NLCD 41, 42, 43

 

 

 

 

LC01HERB

Percent of area covered by grassland/herbaceous using 2001 NLCD v3

Percent of area

http://www.mrlc.gov/nlcd01_data.php

NLCD 71

 

 

 

 

LC01IMP

Percent impervious of basin area 2001 NLCD v3

Area-weighted average

http://www.mrlc.gov/nlcd01_data.php

 

 

 

 

 

LC01SHRUB

Percent of area covered by shrub land using 2001 NLCD v3

Percent of area

http://www.mrlc.gov/nlcd01_data.php

NLCD 52

 

 

 

 

LC01WATER

Percent of area covered by water using 2001 NLCD v3

Percent of area

http://www.mrlc.gov/nlcd01_data.php

NLCD 11

 

 

 

 

LC01WETLND

Percent of area covered by wetland using 2001 NLCD v3

Percent of area

http://www.mrlc.gov/nlcd01_data.php

NLCD 90, 95

 

 

 

 

LC06BARE

Percent of area covered by barren rock using 2006 NLCD v2

Percent of area

http://www.mrlc.gov/nlcd06_data.php

NLCD 31

 

 

 

 

LC06PLANT

Percent of area in cultivation using 2006 NLCD v2

Percent of area

http://www.mrlc.gov/nlcd06_data.php

NLCD 81, 82

 

 

 

 

LC06DEV

Percent of area covered by all densities of developed land using 2006 NLCD v2

Percent of area

http://www.mrlc.gov/nlcd06_data.php

NLCD 21, 22, 23, 24

 

 

 

 

LC06FOREST

Percent of area covered by forest using 2006 NLCD v2

Percent of area

http://www.mrlc.gov/nlcd06_data.php

NLCD 41, 42, 43

 

 

 

 

LC06GRASS

Percent of area covered by grassland/herbaceous using 2006 NLCD v2

Percent of area

http://www.mrlc.gov/nlcd06_data.php

NLCD 71

 

 

 

 

LC06IMP

Percent impervious of basin area 2006 NLCD v2

Area-weighted average

http://www.mrlc.gov/nlcd06_data.php

 

 

 

 

LC06SHRUB

Percent of area covered by shrub land using 2006 NLCD v2

Percent of area

http://www.mrlc.gov/nlcd06_data.php

NLCD 52

 

 

 

 

LC06WATER

Percent of area covered by water using 2006 NLCD v2

Percent of area

http://www.mrlc.gov/nlcd06_data.php

NLCD 11

 

 

 

 

 

 

LC06WETLND

Percent of area covered by wetland using 2006 NLCD v2

Percent of area

http://www.mrlc.gov/nlcd06_data.php

NLCD 90, 95

 

 

 

 

 

 

LC11BARE

Percent of area covered by barren rock using 2011 NLCD

Percent of area

http://www.mrlc.gov/nlcd2011.php

NLCD 31

 

 

 

 

 

 

 

LC11CRPHAY

Percent of area in cultivation using 2011 NLCD

Percent of area

http://www.mrlc.gov/nlcd2011.php

NLCD 81,  82

 

 

 

 

LC11DEV

Percent of area covered by all densities of developed land using 2011 NLCD

Percent of area

http://www.mrlc.gov/nlcd2011.php

NLCD 21, 22, 23, 24

 

 

 

 

 

LC11FOREST

Percent of area covered by forest using 2011 NLCD

Percent of area

http://www.mrlc.gov/nlcd2011.php

NLCD 41, 42, 43

 

 

 

 

 

LC11HERB

Percent of area covered by grassland/herbaceous using 2011 NLCD

Percent of area

http://www.mrlc.gov/nlcd2011.php

NLCD 71

 

 

 

 

LC11IMP

Percent impervious of basin area 2011 NLCD

Area-weighted average

http://www.mrlc.gov/nlcd2011.php

 

 

 

 

LC11SHRUB

Percent of area covered by shrub land using 2011 NLCD

Percent of area

http://www.mrlc.gov/nlcd2011.php

NLCD 52

 

 

 

 

LC11WATER

Percent of area covered by water using 2011 NLCD

Percent of area

http://www.mrlc.gov/nlcd2011.php

NLCD 11

 

 

 

 

LC11WETLND

Percent of area covered by wetland using 2011 NLCD

Percent of area

http://www.mrlc.gov/nlcd2011.php

NLCD 90, 95

 

 

 

 

 

 

The North Carolina StreamStats introductory page here has additional information regarding the application, including links to reports, cooperators, and other explanatory information.

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