General Information

Project area general description

The state of South Carolina

Are any areas excluded?

The Santee River below Lake Marion to its outlet

Types of flow statistics available

See SIR 2009-5156 http://pubs.usgs.gov/sir/2009/5156/

ArcGIS version used for processing

10.3.1

Was TopoGrid used to process DEMs?

No

DEM and derivatives projection (general description)

Contiguous USA Albers (NAD 1983)

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

30 meters

DEM source

NHD+ 30m data

Hydrography source

NHD+ 1:100,000 scale

Hydrologic unit "walls" source

NHD+

Gage basin boundaries source

NHD+

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

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

DA

 

 

 

 

PCTREG1

Percent of area covered by hydrologic region 1

Percent of area

Derived from region grid

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

PCT1

 

 

 

 

PCTREG2

Percent of area covered by hydrologic region 2

Percent of area

Derived from region grid

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

PCT2

 

 

 

 

PCTREG3

Percent of area covered by hydrologic region 3

Percent of area

Derived from region grid

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

PCT3

 

 

 

 

PCTREG4

Percent of area covered by hydrologic region 4

Percent of area

Derived from region grid

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

PCT4

 

 

 

 

PCTREG5

Percent of area covered by hydrologic region 5

Percent of area

Derived from region grid

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

PCT5

 

 

 

 

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