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StreamStats

Indiana StreamStats Application Information


General Information

Project area general description

The state of Indiana

Are any areas excluded?

All area outside the state of Indiana are excluded.

Types of flow statistics available

peak flows and bankfull equations state wide

ArcGIS version used for processing

Originally 9.1, with some updates using 9.2 and 9.3

Was TopoGrid used to process DEMs?

No

DEM and derivatives projection (general description)

NAD 1983 UTM zone 16N in meters

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

10 m

DEM source

NED 2006

Hydrography source

NHD 1:24,000-scale used where available in 2006 and 1:100,000 scale for the rest of the state.

Hydrologic unit "walls" source

WBD used where available in 2006

Gage basin boundaries source

not used

Interactive map snapping tolerance

3 cells

 

Basin Characteristics Methods and Sources

Name

Description

Computation method

Data source

Report

Variable label in report

CONTDA

Contributing drainage area in square miles

Basin area

10m DEM and 10m flow direction grid

Rao (2005)

CDA

 

 

 

 

DRNAREA

Drainage area in square miles

Basin area

10m DEM and 10m flow direction grid

 

 

 

 

Robinson (2013)

DA

CSL10_85

Channel 10-85 slope in feet per mile

Stream Slope

Computed using Stream Slope ArcHydro tool

Rao (2005)

CLS10-85

 

 

 

 

URBAN

Percent of area covered by urban in NLCD 2001

Percent of basin

NLCD 2001 urban grid http://www.mrlc.gov/nlcd01_data.php

Rao (2005)

URBAN

 

 

 

 

WETLAND

Percent of area covered by wetlands in NLCD 2001.

Percent of basin

NLCD 2001 wetland grid codes 11, 90 & 95 http://www.mrlc.gov/nlcd01_data.php

Rao (2005)

WETLAND

 

 

 

 

BFWDTH

Estimate channel width at basin outlet

Width in feet

Computed by bankfull equation

Robinson (2013)

WBF

 

 

 

 

BFDPTH

Estimate mean channel depth at basin outlet

Depth in feet

Computed by bankfull equation

Robinson (2013)

DBF

 

 

 

 

BFAREA

Estimate cross-section area at basin outlet

Area in square feet

Computed by basnfull equation

Robinson (2013)

ABF

 

 

 

 

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