Tabular Input/Output Data and Model Files for 19 Two-Dimensional Hydraulic Models for Streambed Scour Evaluations at Selected Bridge Sites in Alaska, 2016-2017

Identification_Information:

Citation:

Citation_Information:

Originator: Robin A. Beebee (ORCID: 0000-0002-2976-7294)
Originator: Schyler J. Knopp (ORCID: 0000-0002-3750-1373)
Originator: Karenth L. Dworsky (ORCID: 0000-0002-3287-6934)
Originator: Paul V. Schauer (ORCID: 0000-0001-5529-4649)
Publication_Date: 20191220
Title:

Geospatial_Data_Presentation_Form: tabular digital data
Publication_Information:

Publication_Place: Anchorage, Alaska
Publisher: USGS, Alaska Science Center

Other_Citation_Details:

Suggested Citation: Beebee, R.A., Knopp, S.J., Dworsky, K.L., Schauer, P.V., 2019, Tabular input/output data and model files for 19 hydraulic models for streambed scour evaluations at selected bridge sites in Alaska, 2016-2017: U.S. Geological Survey data release, https://doi.org/10.5066/P9LUTFHZ.

Online_Linkage: https://doi.org/10.5066/P9LUTFHZ
Larger_Work_Citation:

Citation_Information:

Originator: Robin A. Beebee
Publication_Date: 20190701
Title:

Streambed Scour Monitoring and Modeling at Bridge Crossings in Alaska

Geospatial_Data_Presentation_Form: project website
Online_Linkage: https://alaska.usgs.gov/portal/project.php?project_id=56

Description:

Abstract:

This data release includes tabular surveyed and interpolated elevation data, the processed computational mesh, and model output data used in scour evaluations. The methods of deriving these datasets and using them to calculate scour are described in the associated Scientific Investigations Report "Scour evaluations and conditions at selected bridge sites in Alaska, 2016-2017”. This is a cooperative project with Alaska Department of Transportation and Public Facilities.

Purpose:

The purpose of the hydraulic models and associated input and output data are to derive variables from which to calculate scour around bridge foundations. The surveyed and interpolated elevation points are used to derive the computational mesh. The computational mesh is an input into the hydraulic model, which is used to derive output variables including water surface elevations, velocities, depths, and sediment transport properties of design floods. These output data are then used to estimate streambed scour around selected bridges in Alaska. Finally, scour numbers go into an overall assessment of each bridge’s vulnerability during flood events.

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 201605
Ending_Date: 201710

Currentness_Reference: ground condition

Status:

Progress: Complete
Maintenance_and_Update_Frequency: None planned

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: -151.8167
East_Bounding_Coordinate: -131.7150
North_Bounding_Coordinate: 65.5291
South_Bounding_Coordinate: 55.4083

Keywords:

Theme:

Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:ASC242

Theme:

Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: inlandWaters
Theme_Keyword: elevation

Theme:

Theme_Keyword_Thesaurus: NASA GCMD Earth Science Thesaurus
Theme_Keyword: Terrestrial Hydrosphere
Theme_Keyword: Surface Water
Theme_Keyword: Floods
Theme_Keyword: Rivers/Streams
Theme_Keyword: Water Depth
Theme_Keyword: Erosion/Sedimentation

Theme:

Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: hydrology
Theme_Keyword: hydraulic engineering

Place:

Place_Keyword_Thesaurus: USGS Geographic Names Information System
Place_Keyword: Alaska
Place_Keyword: Willow Creek
Place_Keyword: Wasilla Creek
Place_Keyword: Cottonwood Creek
Place_Keyword: Moose Creek
Place_Keyword: Ward Creek
Place_Keyword: Sawyer Creek
Place_Keyword: Livengood Creek
Place_Keyword: Peters Creek
Place_Keyword: Twin Creek
Place_Keyword: Little Susitna River
Place_Keyword: North Fork Anchor River
Place_Keyword: South Fork Anchor River
Place_Keyword: Ship Creek

Access_Constraints: None. Please see 'Distribution Info' for details.
Use_Constraints:

It is requested that the authors and the USGS Alaska Science Center be cited for any subsequent publications referenced to this dataset

Point_of_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Robin A Beebee
Contact_Organization: U.S. Geological Survey, Alaska Science Center

Contact_Position: Hydrologist
Contact_Address:

Address_Type: mailing and physical
Address: 4210 University Drive
City: Anchorage
State_or_Province: AK
Postal_Code: 99508
Country: United States

Contact_Voice_Telephone: 907-786-7000
Contact_Electronic_Mail_Address: ascweb@usgs.gov

Data_Set_Credit:

The Alaska Department of Transportation and Public Facilities contributed funding to this project. Survey data were collected by Joseph Dementieff in addition to the authors.

Native_Data_Set_Environment:

The dataset was created using Windows 7 and 10 operating systems and the following software: WinRiver II version 2.18, Aquaveo SMS versions 12.2 to 13.02, ArcMap version 10, HEC-RAS version 5.03, and Microsoft Excel 2016.

Cross_Reference:

Citation_Information:

Originator: Beebee, R.A.
Originator: Dworsky, K.L.
Originator: Knopp, S.J.
Publication_Date: 2019
Title:

Streambed scour evaluations and conditions at selected bridge sites in Alaska, 2016–17

Geospatial_Data_Presentation_Form: publication
Series_Information:

Series_Name: USGS Scientific Investigations Report
Issue_Identification: SIR201915110

Publication_Information:

Publication_Place: Tacoma, WA
Publisher: U.S. Geological Survey

Other_Citation_Details:

Beebee, R.A., Dworsky, K.L., and Knopp, S.J.., 2019, Streambed scour evaluations and conditions at selected bridge sites in Alaska, 2016–17: U.S. Geological Survey Scientific Investigations Report 2019-5110, 32 p., https://doi.org/10.3133/sir20195110.

Online_Linkage: https://doi.org/10.3133/sir20195110

Analytical_Tool:

Analytical_Tool_Description:

Surface-water Modeling System (SMS) v13.0 user interface was used to develop the computational mesh and compile the input data for the SRH-2D hydraulic model. An SMS executable is necessary to open and view the model files.

Tool_Access_Information:

Online_Linkage: https://www.aquaveo.com/downloads-sms?s=SMS&v=13.0
Tool_Access_Instructions:

The executable can be downloaded and a free community license can be requested upon installation.

Tool_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: Aquaveo

Contact_Address:

Address_Type: mailing and physical
Address: 3210 N. Canyon Road
Address: Suite 300
City: Provo
State_or_Province: Utah
Postal_Code: 84604

Contact_Voice_Telephone: +01 801-691-5528
Contact_Electronic_Mail_Address: info@aquaveo.com

Data_Quality_Information:

Attribute_Accuracy:

Attribute_Accuracy_Report:

For survey input data, accuracy was evaluated based on total station closure error, standard GPS error, or in the case of soundings, the greatest discrepancy seen in repeat measurements. From these observations, X and Y coordinates have an accuracy of 0.3 feet and Z coordinates have an accuracy of 0.1 feet Accuracy is only relative to the land surface at the time of survey, and most of these points are on streambeds that move. Interpolated coordinates have unknown accuracy. The computational mesh and solutions derived with the model software have lower resolution and therefore more uncertainty than data surveyed in the field. The interpolated mesh and interpolated survey point surface were graphically compared within SMS to identify major deviations, but no formal attempt was made to determine the accuracy of the computational mesh relative to the survey points. At eight sites, model output water surface elevations and velocity were verified with measured values. The verification results show water surface differences of -0.2 to 0.3 feet and velocity differences of -0.3 to 0.1 ft/s between the survey and the model simulations. The accuracy of the model results for the 100 and 500-year floods is unknown, and any use of these results requires an understanding of the uncertainty and limitations in estimating design floods and in deriving variables with two-dimensional hydraulic modeling. These models were developed for the specific purpose of estimating the potential for streambed scour around the bridges, thus model resolution is generally greater immediately around the bridges of concern and both resolution and accuracy diminish near the model domain boundaries.

Logical_Consistency_Report:

Data values are consistent with no gaps. Model output points with null values, such as depth outside the flooded area, have the numerical code “-999”.

Completeness_Report:

Data points were omitted that were not used for the model, such as survey points on the bridge used to tie in elevations.

Positional_Accuracy:

Horizontal_Positional_Accuracy:

Horizontal_Positional_Accuracy_Report:

Positions are reported to one tenth of a foot. Survey positions are assumed to be accurate to about 0.3 feet based on maximum backsight closure error and observations of repeat soundings along taglines. No horizontal accuracy is claimed for interpolated points, the computation mesh or model output variables.

Lineage:

Source_Information:

Source_Citation:

Citation_Information:

Originator: Alaska Division of Geological and Geophysical Surveys
Originator: Matanuska-Susitna Borough
Originator: U.S. Geological Survey
Originator: Municipality of Anchorage
Originator: Kenai-Peninsula Borough
Originator: State of Alaska
Originator: Ketchikan Borough
Originator: Federal Emergency Management Agency
Publication_Date: 20191202
Title: Publicly available lidar datasets in Alaska
Geospatial_Data_Presentation_Form: application/service
Publication_Information:

Publication_Place: Fairbanks, Alaska
Publisher: Alaska Division of Geological and Geophysical Surveys

Other_Citation_Details:

The webpage is updated as additional lidar is submitted and processed.

Online_Linkage: https://elevation.alaska.gov/

Type_of_Source_Media: Digital and/or Hardcopy
Source_Time_Period_of_Content:

Time_Period_Information:

Multiple_Dates/Times:

Single_Date/Time:

Calendar_Date: 2008

Single_Date/Time:

Calendar_Date: 2011

Single_Date/Time:

Calendar_Date: 2014

Single_Date/Time:

Calendar_Date: 2018

Source_Currentness_Reference: ground condition

Source_Citation_Abbreviation: Lidar
Source_Contribution:

The Alaska Division of Geological and Geophysical Surveys serves publicly available lidar datasets in Alaska. Many of these datasets provided floodplain elevations used in the computational mesh in the hydraulic model.

Source_Information:

Source_Citation:

Citation_Information:

Originator: Robin A. Beebee
Originator: Schyler J. Knopp
Originator: Karenth L. Dworsky
Publication_Date: 20181001
Title:

Scour evaluations and conditions at selected bridge sites in Alaska, 2016-2017

Geospatial_Data_Presentation_Form: tabular digital data
Series_Information:

Series_Name: Scientific Investigations Report
Issue_Identification: SIR2019-XXXX

Publication_Information:

Publication_Place: Reston, VA
Publisher: U.S. Geological Survey

Online_Linkage: Add DOI link here

Type_of_Source_Media: Digital and/or Hardcopy
Source_Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 20160501
Ending_Date: 20190801

Source_Currentness_Reference: publication date

Source_Citation_Abbreviation: Beebee and others, 2019
Source_Contribution:

This publication explains the hydraulic modeling process and derivation of other input variables to the hydraulic model.

Source_Information:

Source_Citation:

Citation_Information:

Originator: Aquaveo, Inc.
Publication_Date: 20190310
Title:

SMS: User interface and GIS for compiling input data to two-dimensional hydraulic models

Geospatial_Data_Presentation_Form: application/service
Series_Information:

Series_Name: SMS SRH-2D
Issue_Identification: 13.01

Publication_Information:

Publication_Place: online
Publisher: Aquaveo, Inc.

Online_Linkage: https://www.aquaveo.com/downloads-sms?s=SMS&v=13.0

Type_of_Source_Media: Digital and/or Hardcopy
Source_Time_Period_of_Content:

Time_Period_Information:

Single_Date/Time:

Calendar_Date: 20190310

Source_Currentness_Reference: publication date

Source_Citation_Abbreviation: SMS
Source_Contribution:

The SMS user interface was used to develop the computational mesh and compile the input data for the SRH-2D hydraulic model

Source_Information:

Source_Citation:

Citation_Information:

Originator: Yong G. Lai
Publication_Date: 201602
Title: Sediment and River Hydraulics 2-Dimensional Hydraulic Model
Geospatial_Data_Presentation_Form: application/service
Series_Information:

Series_Name: SRH-2D
Issue_Identification: Version 2.2

Publication_Information:

Publication_Place: Denver, Colorado
Publisher: U.S. Bureau of Reclamation

Online_Linkage:

https://www.usbr.gov/tsc/techreferences/computer%20software/models/srh2d/index.html

Type_of_Source_Media: Digital and/or Hardcopy
Source_Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 200811
Ending_Date: 201602

Source_Currentness_Reference: publication date

Source_Citation_Abbreviation: SRH-2D
Source_Contribution:

The SRH-2D model was used within SMS to calculate output hydraulic variables including water surface elevation and velocity.

Source_Information:

Source_Citation:

Citation_Information:

Originator: Robin A. Beebee
Originator: Schyler J. Knopp
Originator: Karenth L. Dworsky
Originator: Paul V. Schauer
Originator: Joseph Dementieff
Publication_Date: 20171001
Title:

Topographic points surveyed in and around each stream channel in the study, and points interpolated from these points to create a surface.

Geospatial_Data_Presentation_Form: tabular digital data
Publication_Information:

Publication_Place: Anchorage, AK
Publisher: U.S. Geological Survey

Other_Citation_Details: Source is part of this data release

Type_of_Source_Media: Digital and/or Hardcopy
Source_Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 20160501
Ending_Date: 20171001

Source_Currentness_Reference: ground condition

Source_Citation_Abbreviation: surveyed bathymetric data
Source_Contribution:

Surveyed and interpolated elevation data were used in conjunction with lidar to derive a computational mesh for hydraulic modeling.

Process_Step:

Process_Description:

Elevation points were surveyed along the upstream and downstream faces of bridges and as cross-sections upstream and downstream of the bridge. Multiple instruments (total station, GPS, ADCP, level and tagline) were used at most sites. All coordinate points were adjusted to a common datum (usually NAVD88) and merged in a GIS. Points were interpolated between survey points using the GIS or HEC-RAS in order to create a smooth bathymetric surface.

Process_Date: 20181001
Source_Produced_Citation_Abbreviation: surveyed bathymetric data

Process_Step:

Process_Description:

SMS software is used to triangulate between bathymetric and lidar input points to make a surface, then overlay a lower-resolution geometric mesh on this triangulated surface for the purposes of computing hydraulic variables. The computational mesh may include voids that replace steep or vertical surfaces. SMS then uses the computational mesh, in addition to inputs outlined in Beebee and others, 2019, and SRH-2D, to derive hydraulic output variables for flood events.

Source_Used_Citation_Abbreviation: surveyed bathymetric data
Source_Used_Citation_Abbreviation: SMS
Source_Used_Citation_Abbreviation: SRH-2D
Source_Used_Citation_Abbreviation: Beebee and others, 2019
Source_Used_Citation_Abbreviation: Lidar
Process_Date: 20180630

Spatial_Data_Organization_Information:

Direct_Spatial_Reference_Method: Point

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Planar:

Grid_Coordinate_System:

Grid_Coordinate_System_Name: State Plane Coordinate System 1983
State_Plane_Coordinate_System:

SPCS_Zone_Identifier: 5004
Transverse_Mercator:

Scale_Factor_at_Central_Meridian: 0.999
Longitude_of_Central_Meridian: -150.00
Latitude_of_Projection_Origin: 54
False_Easting: 1640416.666666667
False_Northing: 0

Planar_Coordinate_Information:

Planar_Coordinate_Encoding_Method: coordinate pair
Coordinate_Representation:

Abscissa_Resolution: 0.6096
Ordinate_Resolution: 0.6096

Planar_Distance_Units: survey feet

Geodetic_Model:

Horizontal_Datum_Name: North_American_Datum_1983
Ellipsoid_Name: GRS_1980
Semi-major_Axis: 6378137
Denominator_of_Flattening_Ratio: 298.257222101

Vertical_Coordinate_System_Definition:

Altitude_System_Definition:

Altitude_Datum_Name: North American Vertical Datum of 1988
Altitude_Resolution: 0.1
Altitude_Distance_Units: feet
Altitude_Encoding_Method:

Explicit elevation coordinate included with horizontal coordinates

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: (SiteNameSiteNumber)_Bathymetry.csv
Entity_Type_Definition:

Comma Separated Value (CSV) file containing surveyed and interpolated bathymetric data used to produce the computational mesh.

Entity_Type_Definition_Source: Producer defined

Attribute:

Attribute_Label: X
Attribute_Definition:

The Easting (state plane) of surveyed or interpolated point in feet.

Attribute_Definition_Source: Producer defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1763516.8
Range_Domain_Maximum: 1763689.0
Attribute_Units_of_Measure: feet
Attribute_Measurement_Resolution: 0.1

Attribute:

Attribute_Label: Y
Attribute_Definition:

Northing (state plane) of surveyed or interpolated point in feet.

Attribute_Definition_Source: Producer defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 2780228.5
Range_Domain_Maximum: 2780418.0
Attribute_Units_of_Measure: feet
Attribute_Measurement_Resolution: 0.1

Attribute:

Attribute_Label: Z
Attribute_Definition: Elevation of surveyed or interpolated point in feet.
Attribute_Definition_Source: Producer defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: -9.6
Range_Domain_Maximum: 576.3
Attribute_Units_of_Measure: feet
Attribute_Measurement_Resolution: 0.1

Attribute:

Attribute_Label: Source
Attribute_Definition:

"Survey" points were surveyed in the field using level and tagline, total station, GPS, and/or ADCP methods. "Interpolated" points were added between survey points using a GIS to produce a smooth transition between cross-sections.

Attribute_Definition_Source: Producer defined
Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: survey
Enumerated_Domain_Value_Definition: ground point surveyed in field
Enumerated_Domain_Value_Definition_Source: Producer defined

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: interpolation
Enumerated_Domain_Value_Definition:

Points interpolated between ground points in a GIS to create a smooth channel surface

Enumerated_Domain_Value_Definition_Source: Producer defined

Detailed_Description:

Entity_Type:

Entity_Type_Label: (SiteNameSiteNumber)_TabularInput_Output.csv
Entity_Type_Definition:

Comma Separated Value (CSV) file containing mesh element point locations. Mesh coordinates were derived using SMS software, surveyed bathymetry data and publicly available lidar data.

Entity_Type_Definition_Source: Producer defined

Attribute:

Attribute_Label: X
Attribute_Definition:

Easting (State Plane) of the mesh element point location. The mesh (X, Y, and Z) was derived using SMS software, surveyed bathymetry data and publicly available lidar data, which is cited in the larger work.

Attribute_Definition_Source: Producer defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1762574.6
Range_Domain_Maximum: 1764050.8
Attribute_Units_of_Measure: feet
Attribute_Measurement_Resolution: 0.1

Attribute:

Attribute_Label: Y
Attribute_Definition:

Northing (State Plane) of mesh element point location. The mesh (X, Y, and Z) was derived using SMS software, surveyed bathymetry data and publicly available lidar data, which is cited in the larger work.

Attribute_Definition_Source: Producer defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 2779636.5
Range_Domain_Maximum: 2780944.9
Attribute_Units_of_Measure: feet
Attribute_Measurement_Resolution: 0.1

Attribute:

Attribute_Label: Z
Attribute_Definition:

Ground elevation of each mesh element. The mesh (X, Y, and Z) was derived using SMS software, surveyed bathymetry data and publicly available lidar data, which is cited in the larger work.

Attribute_Definition_Source: Producer defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: -9.3
Range_Domain_Maximum: 387.2
Attribute_Units_of_Measure: feet
Attribute_Measurement_Resolution: 0.1

Attribute:

Attribute_Label: WSE100
Attribute_Definition:

Water surface elevation from the 100-year flood simulation at mesh element.

Attribute_Definition_Source: Producer defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1.9
Range_Domain_Maximum: 377.4
Attribute_Units_of_Measure: feet
Attribute_Measurement_Resolution: 0.1

Attribute:

Attribute_Label: V100
Attribute_Definition: Water velocity from 100-year flood simulation at mesh element.
Attribute_Definition_Source: Producer defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0
Range_Domain_Maximum: 8.4
Attribute_Units_of_Measure: feet
Attribute_Measurement_Resolution: 0.1

Attribute:

Attribute_Label: CRITICALV100
Attribute_Definition:

Critical velocity (velocity at theoretical threshold for sediment transport) from 100-year flood simulation at mesh element.

Attribute_Definition_Source: Producer defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0
Range_Domain_Maximum: 8.1
Attribute_Units_of_Measure: feet
Attribute_Measurement_Resolution: 0.1

Attribute:

Attribute_Label: WSE500
Attribute_Definition:

Water surface elevation from 500-year flood simulation at mesh element.

Attribute_Definition_Source: Producer defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1.9
Range_Domain_Maximum: 650.0
Attribute_Units_of_Measure: feet
Attribute_Measurement_Resolution: 0.1

Attribute:

Attribute_Label: V500
Attribute_Definition: Water velocity from 500-year flood simulation at mesh element.
Attribute_Definition_Source: Producer defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0
Range_Domain_Maximum: 13.5
Attribute_Units_of_Measure: feet
Attribute_Measurement_Resolution: 0.1

Attribute:

Attribute_Label: CRITICALV500
Attribute_Definition:

Critical velocity (velocity at theoretical threshold for sediment transport) from 500-year flood simulation at mesh element.

Attribute_Definition_Source: Producer defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0
Range_Domain_Maximum: 8.2
Attribute_Units_of_Measure: feet
Attribute_Measurement_Resolution: 0.1

Detailed_Description:

Entity_Type:

Entity_Type_Label: (SiteNameSiteNumber).sms
Entity_Type_Definition:

An SRH2D model is provided for each site in the study. The zipped model folder contains all files necessary to open and view the model as an alternative way to see input and output data. An SMS executable is necessary to open and view the model files. The executable can be downloaded at https://www.aquaveo.com/downloads-sms?s=SMS&v=13.0 and a free community license can be requested upon installation.

Entity_Type_Definition_Source: Producer defined

Overview_Description:

Entity_and_Attribute_Overview:

The provided data include tabular files of surveyed points, tabular files of processed input and output data for each SRH2D model, and the model files themselves in sms format for those who wish to view the models in SMS.

Entity_and_Attribute_Detail_Citation:

The bathymetry table for each site includes the coordinates of surveyed topographic points and interpolated points used to define each stream channel. The tabular input and output table for each site includes the location and surface topography (x, y, and z coordinates) for each mesh element used in the model, as well as hydraulic parameters derived by the model for each mesh element. The sms models provide an alternative format for viewing the data.

Tabular Input/Output Data and Model Files for 19 Two-Dimensional Hydraulic Models for Streambed Scour Evaluations at Selected Bridge Sites in Alaska, 2016-2017

Metadata: