Short Citation
OCM Partners, 2024: 2011 OLC Lidar DEM: Upper Sandy River (OR), https://www.fisheries.noaa.gov/inport/item/55841.
Full Citation Examples

Abstract

The dataset encompasses areas including and surrounding the Sandy River, Oregon.

The bare earth digital elevation models (DEM) represent the earth's surface with all vegetation and human-made structures removed. The bare earth DEMs were derived from LiDAR data using TIN processing of the ground point returns. The DEM grid cell size is 3 feet. The elevation units are in feet. Some elevation values have been interpolated across areas in the ground model where there is no elevation data (e.g. over water, over dense vegetation).

Watershed Sciences, Inc. collected the LiDAR and created this data set for the Oregon Department of Geology and Mineral Industries (DoGAMI).

Customized Download

Create custom data files by choosing data area, product type, map projection, file format, datum, etc. A new metadata will be produced to reflect your request using this record as a base.
Bulk Download

GeoTIFF

Bulk download of data files.

Access Constraints:

None

Use Constraints:

Users should be aware that temporal changes may have occurred since this data set was collected and some parts of this data may no longer represent actual surface conditions. Users should not use this data for critical applications without a full awareness of its limitations.

COASTAL ELEVATION, elevation, SEAFLOOR TOPOGRAPHY, TERRAIN ELEVATION

No Child Items for this record.

Point of Contact
NOAA Office for Coastal Management (NOAA/OCM)
coastal.info@noaa.gov
(843) 740-1202

Metadata Contact
NOAA Office for Coastal Management (NOAA/OCM)
coastal.info@noaa.gov
(843) 740-1202

Geographic Area 1

-122.418927° W, -121.8209° E, 45.57099999° N, 45.291126° S

Area surrounding the Upper Sandy River. Only covers the immediate river area, not the full bounding box.

Time Frame 1
2011-08-30 - 2011-09-03

Range of dates for data collection.

Title:	2011 OLC Lidar DEM: Upper Sandy River (OR)
Status:	Completed
Creation Date:	2011
Publication Date:	2019
Abstract:	The dataset encompasses areas including and surrounding the Sandy River, Oregon. The bare earth digital elevation models (DEM) represent the earth's surface with all vegetation and human-made structures removed. The bare earth DEMs were derived from LiDAR data using TIN processing of the ground point returns. The DEM grid cell size is 3 feet. The elevation units are in feet. Some elevation values have been interpolated across areas in the ground model where there is no elevation data (e.g. over water, over dense vegetation). Watershed Sciences, Inc. collected the LiDAR and created this data set for the Oregon Department of Geology and Mineral Industries (DoGAMI).
Purpose:	Provide high resolution terrain elevation data.

Theme Keywords

Thesaurus

Keyword

Global Change Master Directory (GCMD) Science Keywords

EARTH SCIENCE > LAND SURFACE > TOPOGRAPHY > TERRAIN ELEVATION

Global Change Master Directory (GCMD) Science Keywords

EARTH SCIENCE > OCEANS > BATHYMETRY/SEAFLOOR TOPOGRAPHY > SEAFLOOR TOPOGRAPHY

Global Change Master Directory (GCMD) Science Keywords

EARTH SCIENCE > OCEANS > COASTAL PROCESSES > COASTAL ELEVATION

ISO 19115 Topic Category

elevation

UNCONTROLLED

REQUIRED: Reference to a formally registered thesaurus or a similar authoritative source of theme keywords.

bare earth

None

bare ground

None

DEM

None

DoGAMI

None

high-resolution

None

Light Detection and Ranging

Spatial Keywords

Thesaurus

Keyword

Global Change Master Directory (GCMD) Location Keywords

CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA

Global Change Master Directory (GCMD) Location Keywords

VERTICAL LOCATION > LAND SURFACE

Instrument Keywords

Thesaurus

Keyword

Global Change Master Directory (GCMD) Instrument Keywords

LIDAR > Light Detection and Ranging

Platform Keywords

Thesaurus

Keyword

Global Change Master Directory (GCMD) Platform Keywords

Airplane > Airplane

Organization:	Office for Coastal Management
City:	Charleston
State/Province:	SC

Data Set Scope Code:	Data Set
Data Set Type:	Elevation
Maintenance Frequency:	None Planned
Data Presentation Form:	raster digital data
Distribution Liability:	Any conclusions drawn from the analysis of this information are not the responsibility of NOAA, the Office for Coastal Management or its partners
Data Set Credit:	DoGAMI, Watershed Sciences, Inc.

Data Steward

CC ID: 828171

Date Effective From:	2018
Date Effective To:
Contact (Organization):	NOAA Office for Coastal Management (NOAA/OCM)
Address:	2234 South Hobson Ave Charleston, SC 29405-2413
Email Address:	coastal.info@noaa.gov
Phone:	(843) 740-1202
URL:	https://coast.noaa.gov

Distributor

CC ID: 828172

Date Effective From:	2018
Date Effective To:
Contact (Organization):	NOAA Office for Coastal Management (NOAA/OCM)
Address:	2234 South Hobson Ave Charleston, SC 29405-2413
Email Address:	coastal.info@noaa.gov
Phone:	(843) 740-1202
URL:	https://coast.noaa.gov

Metadata Contact

CC ID: 828173

Date Effective From:	2018
Date Effective To:
Contact (Organization):	NOAA Office for Coastal Management (NOAA/OCM)
Address:	2234 South Hobson Ave Charleston, SC 29405-2413
Email Address:	coastal.info@noaa.gov
Phone:	(843) 740-1202
URL:	https://coast.noaa.gov

Point of Contact

CC ID: 828174

Date Effective From:	2018
Date Effective To:
Contact (Organization):	NOAA Office for Coastal Management (NOAA/OCM)
Address:	2234 South Hobson Ave Charleston, SC 29405-2413
Email Address:	coastal.info@noaa.gov
Phone:	(843) 740-1202
URL:	https://coast.noaa.gov

Currentness Reference:	Ground Condition

Extent Group 1

Extent Group 1 / Geographic Area 1

CC ID: 1152557

W° Bound:	-122.418927
E° Bound:	-121.8209
N° Bound:	45.57099999
S° Bound:	45.291126
Description	Area surrounding the Upper Sandy River. Only covers the immediate river area, not the full bounding box.

Extent Group 1 / Time Frame 1

CC ID: 1152556

Time Frame Type:	Range
Start:	2011-08-30
End:	2011-09-03
Description:	Range of dates for data collection.

Spatial Resolution

Horizontal Distance:	3.0 Foot

Spatial Representation

Representations Used

Grid:	Yes
Vector:	No

Grid Representation 1

CC ID: 828196

Dimension Count:

2

Cell Geometry:

Point

Transformation Parameters Available?:

Yes

Axis Dimension 1

Dimension Type:	Row
Size:	3948

Vector Representation 1

CC ID: 828186

Point Object Present?:	Yes

Reference Systems

Reference System 1

CC ID: 1152553

Coordinate Reference System

CRS Type:

Projected

EPSG Code:

EPSG:2992

EPSG Name:

NAD83 / Oregon GIC Lambert (ft)

▾ See Full Coordinate Reference System Information

Datum Name:

North American Datum 1983

Ellipsoid:

GRS 1980

Semimajor Axis:

2.09256044741667E7

Flattening Ratio:

298.257222101

Base CRS Name:

NAD83

Projection Name:

Oregon GIC Lambert (International feet)

Conversion Method:

Lambert Conic Conformal (2SP)

Parameter: Latitude of false origin

Parameter Value:	41° 45' 0" N

Parameter: Longitude of false origin

Parameter Value:	120° 30' 0" W

Parameter: Latitude of 1st standard parallel

Parameter Value:	43° 0' 0" N

Parameter: Longitude of 2nd standard parallel

Parameter Value:	45° 30' 0" N

Parameter: Easting at false origin

Parameter Value:	1312335.958
Parameter Units:	foot

Parameter: Northing at false origin

Parameter Value:	0
Parameter Units:	foot

Axis: Easting

Order:	1
Abbreviation:	X
Units:	foot
Orientation:	east

Axis: Northing

Order:	2
Abbreviation:	Y
Units:	foot
Orientation:	north

Reference System 2

CC ID: 1152554

Coordinate Reference System

CRS Type:

Vertical

EPSG Code:

EPSG:8228

EPSG Name:

NAVD88 height (ft)

▾ See Full Coordinate Reference System Information

Security Class:	Unclassified
Data Access Procedure:	Data is available online for custom downloads
Data Access Constraints:	None
Data Use Constraints:	Users should be aware that temporal changes may have occurred since this data set was collected and some parts of this data may no longer represent actual surface conditions. Users should not use this data for critical applications without a full awareness of its limitations.

Distribution 1

CC ID: 828175

Start Date:	2019
End Date:	Present
Download URL:	https://coast.noaa.gov/dataviewer/#/lidar/search/where:ID=8687
Distributor:	NOAA Office for Coastal Management (NOAA/OCM) (2018 - Present)
File Name:	Customized Download
Description:	Create custom data files by choosing data area, product type, map projection, file format, datum, etc. A new metadata will be produced to reflect your request using this record as a base.
File Type (Deprecated):	Multiple formats
Compression:	Zip

Distribution 2

CC ID: 828176

Start Date:	2018
End Date:	Present
Download URL:	https://noaa-nos-coastal-lidar-pds.s3.us-east-1.amazonaws.com/dem/OLC_Upper_Sandy_2011_8687/index.html
Distributor:	NOAA Office for Coastal Management (NOAA/OCM) (2018 - Present)
File Name:	Bulk Download
Description:	Bulk download of data files.
File Type (Deprecated):	LAZ
Distribution Format:	GeoTIFF
Compression:	Uncompressed

URL 1

CC ID: 828177

URL:	https://coast.noaa.gov/dataviewer/
Name:	NOAA's Office for Coastal Management (OCM) Data Access Viewer (DAV)
URL Type:	Online Resource
File Resource Format:	HTML
Description:	The Data Access Viewer (DAV) allows a user to search for and download elevation, imagery, and land cover data for the coastal U.S. and its territories. The data, hosted by the NOAA Office for Coastal Management, can be customized and requested for free download through a checkout interface. An email provides a link to the customized data, while the original data set is available through a link within the viewer.

URL 2

CC ID: 828178

URL:	https://coast.noaa.gov/
Name:	NOAA's Office for Coastal Management (OCM) website
URL Type:	Online Resource
File Resource Format:	HTML
Description:	Information on the NOAA Office for Coastal Management (OCM)

URL 3

CC ID: 828179

URL:	https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/8685/supplemental/extent_upper_sandy_m8685.kmz
Name:	Browse graphic
URL Type:	Browse Graphic
File Resource Format:	KML
Description:	This graphic displays the footprint for this lidar data set.

URL 4

CC ID: 828180

URL:	https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/8685/supplemental/OLC_Upper_SANDY.pdf
Name:	Dataset report
URL Type:	Online Resource
File Resource Format:	PDF
Description:	Link to data set report.

URL 5

CC ID: 828181

URL:	https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/8685/supplemental/breaklines.zip
Name:	Breaklines
URL Type:	Online Resource
File Resource Format:	zip
Description:	Zipped shapefile of the breaklines.

Description:	Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 3; ESRI ArcCatalog 9.3.1.1850

Horizontal Positional Accuracy:	Qualitative value: , Test that produced the valued: See LiDAR data report.
Vertical Positional Accuracy:	Qualitative value:RMSE = 0.04 meters, Test that produced the value: The Root Mean Square Error (RMSE) of the data set is 0.04 meters (0.13 ft). Accuracy was assessed using 193 ground survey (real time kinematic) points. These ground survey points are distributed through out the OLC Burns study area. See LiDAR data report.
Completeness Report:	LiDAR data has been collected and processed for all areas within the project study area.
Conceptual Consistency:	LiDAR flight lines have been examined to ensure that there was at least 50% sidelap, there are no gaps between flightlines, and overlapping flightlines have consistent elevation values. Shaded relief images have been visually inspected for data errors such as pits, border artifacts, gaps, and shifting. The data was examined at a 1:3000 scale.

Process Steps

Process Step 1

CC ID: 1152549

Description:

Acquisition.

The LiDAR data were collected between August 30 and September 3, 2011. The survey used a Leica ALS60 laser systems mounted in a Cessna Caravan 208B. Near nadir scan angles were used to increase penetration of vegetation to ground surfaces. Ground level GPS and aircraft IMU were collected during the flight.

Process Step 2

CC ID: 1152550

Description:

Processing.

1. Flight lines and data were reviewed to ensure complete coverage of the study area and positional accuracy of the laser points.

2. Laser point return coordinates were computed using ALS Post Processor software and IPAS Pro GPS/INS software, based on independent data from the LiDAR system, IMU, and aircraft.

3. The raw LiDAR file was assembled into flight lines per return with each point having an associated x, y, and z coordinate.

4. Visual inspection of swath to swath laser point consistencies within the study area were used to perform manual refinements of system alignment.

5. Custom algorithms were designed to evaluate points between adjacent flight lines. Automated system alignment was computed based upon randomly selected swath to swath accuracy measurements that consider elevation, slope, and intensities. Specifically, refinement in the combination of system pitch, roll and yaw offset parameters optimize internal consistency.

6. Noise (e.g., pits and birds) was filtered using ALS postprocessing software, based on known elevation ranges and included the removal of any cycle slips.

7. Using TerraScan and Microstation, ground classifications utilized custom settings appropriate to the study area.

8. The corrected and filtered return points were compared to the RTK ground survey points collected to verify the vertical and horizontal accuracies.

9. Points were output as laser points, TINed and GRIDed surfaces.

Process Step 3

CC ID: 1152551

Description:	Digital Elevation Models from the bare earth points were received from the Oregon Lidar Consortium in ArcGrid format, Oregon Lambert projection NAD83(HARN) and NAVD88 (GEOID03) heights. Horizontal and vertical units were in international feet. For ingestion into the Digital Coast as an open format, data were converted to GeoTIFF format and tagged with the correct coordinate reference system using gdal_translate (version 2.4.0).
Process Date/Time:	2019-03-12 00:00:00
Process Contact:	Office for Coastal Management (OCM)

Item Type

Relationship Type

Title

Data Set (DS)

Cross Reference

2011 OLC Lidar: Upper Sandy River (OR)

Point cloud source for this DEM.

Catalog Item ID:	55841
GUID:	gov.noaa.nmfs.inport:55841
Metadata Record Created By:	Kirk Waters
Metadata Record Created:	2019-03-12 07:48+0000
Metadata Record Last Modified By:	Kirk Waters
Metadata Record Last Modified:	2024-01-10 18:09+0000
Metadata Record Published:	2022-03-16
Owner Org:	OCMP
Metadata Publication Status:	Published Externally
Do Not Publish?:	N
Metadata Last Review Date:	2022-03-16
Metadata Review Frequency:	1 Year
Metadata Next Review Date:	2023-03-16

Summary

Distribution Information

Controlled Theme Keywords

Child Items

Contact Information

Extents

Item Identification

Keywords

Theme Keywords

Spatial Keywords

Instrument Keywords

Platform Keywords

Physical Location

Data Set Information

Support Roles

Data Steward

Distributor

Metadata Contact

Point of Contact

Extents

Extent Group 1

Extent Group 1 / Geographic Area 1

Extent Group 1 / Time Frame 1

Spatial Information

Spatial Resolution

Spatial Representation

Representations Used

Grid Representation 1

Axis Dimension 1

Vector Representation 1

Reference Systems

Reference System 1

Coordinate Reference System

Parameter: Latitude of false origin

Parameter: Longitude of false origin

Parameter: Latitude of 1st standard parallel

Parameter: Longitude of 2nd standard parallel

Parameter: Easting at false origin

Parameter: Northing at false origin

Axis: Easting

Axis: Northing

Reference System 2

Coordinate Reference System

Axis: Gravity-related height

Access Information

Distribution Information

Distribution 1

Distribution 2

URLs

URL 1

URL 2

URL 3

URL 4

URL 5

Technical Environment

Data Quality

Lineage

Process Steps

Process Step 1

Process Step 2

Process Step 3

Related Items

Catalog Details