Short Citation:
Office for Coastal Management, 2021: 2007 Lidar DEM: Jasper, Colleton, Charleston Counties, SC, https://www.fisheries.noaa.gov/inport/item/58130.

Item Identification

Title: 2007 Lidar DEM: Jasper, Colleton, Charleston Counties, SC
Short Name: 2007 charleston colleton jasper m8915
Status: Completed
Creation Date: 2019-11-01
Publication Date: 2008-03-26
Abstract:

Digital Elevation Model (DEM) derived from lidar data.

LiDAR data collection was performed utilizing a Leica ALS-50 sensor, collecting multiple return x, y, and z data as well

as intensity data. LiDAR data was processed to achieve a bare ground surface, and was delivered in LAS format. Classified LAS

data was also used as a base for collection of hydro features, delivered in MicroStation v8 format. The dates of collection are:

1. JASPER COUNTY (full county): 20061227 to 20070216

2. COLLETON COUNTY (full county: 20070216 to 20070323

3. CHARLESTON COUNTY (Partial County): 20070222 to 20070223

Purpose:

Lidar data was acquired for Charleston (Partial County), Jasper (full county) and Colleton (full county) Counties, SC as part of a collaborative effort by state agencies, FEMA and the NOAA Office for Coastal Management to provide high-resolution topographic data for floodplain mapping and other uses.

Supplemental Information:

The Lidar Quality Assurance and Quality Control Report for Colleton and Charleston Counties, SC may be viewed at:

https://coast.noaa.gov/htdata/lidar1_z/geoid12a/data/56/supplemental

The Lidar Quality Assurance and Quality Control Report for Jasper County, SC may be viewed at:

https://coast.noaa.gov/htdata/lidar1_z/geoid12a/data/56/supplemental

Keywords

Theme Keywords

Thesaurus Keyword
Global Change Master Directory (GCMD) Science Keywords Earth Science > Land Surface > Topography > Terrain Elevation > Topographical Relief Maps
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
None Bare Ground Surface
None Bathymetry/Topography
None DEM
None Elevation
None Hydro
None Hydrography
None LiDAR
None Light Detection and Ranging

Spatial Keywords

Thesaurus Keyword
Global Change Master Directory (GCMD) Location Keywords Continent > North America > United States Of America > South Carolina
None Charleston County
None Colleton County
None Jasper County
None South Carolina
None US

Physical Location

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

Data Set Information

Data Set Scope Code: Data Set
Maintenance Frequency: As Needed
Distribution Liability:

Any conclusions drawn for the analysis of this information are not the responsibility of NOAA, the Office for Coastal Management or its partners.

Support Roles

Data Steward

CC ID: 885719
Date Effective From: 2008-03-26
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: 885721
Date Effective From: 2008-03-26
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: 885722
Date Effective From: 2008-03-26
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: 885720
Date Effective From: 2008-03-26
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

Extents

Currentness Reference: Ground Condition

Extent Group 1

Extent Group 1 / Geographic Area 1

CC ID: 885740
W° Bound: -81.283784
E° Bound: -79.69763
N° Bound: 33.182564
S° Bound: 32.035599

Extent Group 1 / Time Frame 1

CC ID: 885739
Time Frame Type: Range
Start: 2006-12-27
End: 2007-03-23

Spatial Information

Spatial Resolution

Horizontal Distance: 2.0 Meter

Spatial Representation

Representations Used

Vector: Yes

Reference Systems

Reference System 1

CC ID: 885742

Coordinate Reference System

CRS Type: Projected
EPSG Code: EPSG:26917
EPSG Name: NAD83 / UTM zone 17N
See Full Coordinate Reference System Information

Access Information

Security Class: Unclassified
Data Access Procedure:

This data can be obtained on-line at the following URL: https://coast.noaa.gov/dataviewer.

The data set is dynamially generated based on user-specified parameters.

;

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 Information

Distribution 1

CC ID: 885723
Start Date: 2019-11-01
End Date: Present
Download URL: https://coast.noaa.gov/dataviewer/#/lidar/search/where:ID=8915
Distributor: NOAA Office for Coastal Management (NOAA/OCM) (2008-03-26 - Present)
File Name: Customized Download
Description:

Create custom data files by choosing data area, product type, map projection, file format, datum, etc.

File Type: Zip

Distribution 2

CC ID: 885724
Start Date: 2019-11-01
End Date: Present
Download URL: https://coast.noaa.gov/htdata/raster2/elevation/NOAA_Chas_Col_Jas_SC_2007_8915
Distributor: NOAA Office for Coastal Management (NOAA/OCM) (2008-03-26 - Present)
File Name: Bulk Download
Description:

Simple download of data files.

File Type: GeoTIFF

URLs

URL 1

CC ID: 885725
URL: https://coast.noaa.gov/dataviewer
Name: Data Access Viewer
URL Type:
Online Resource

URL 2

CC ID: 885743
URL: https://coast.noaa.gov/htdata/lidar1_z/geoid12a/data/56/supplemental/sc2007_scdnr_charleston_colleton_jasper_m56.kmz
Name: Browse graphic
URL Type:
Browse Graphic
File Resource Format: kmz
Description:

Browse graphic showing the data footprint.

URL 3

CC ID: 885744
URL: https://coast.noaa.gov/htdata/lidar1_z/geoid12a/data/56/supplemental/sc2007_scdnr_colleton_m56_breaklines.gdb.zip
Name: Colleton breaklines
URL Type:
Online Resource
File Resource Format: zipped gdb
Description:

Geodatabase of Colleton breaklines

URL 4

CC ID: 885745
URL: https://coast.noaa.gov/htdata/lidar1_z/geoid12a/data/56/supplemental/sc2007_scdnr_jasper_m56_breaklines.gdb.zip
Name: Jasper breaklines
URL Type:
Online Resource
File Resource Format: zipped gdb
Description:

Geodatabase of Jasper breaklines

Activity Log

Activity Log 1

CC ID: 885728
Activity Date/Time: 2016-05-23
Description:

Date that the source FGDC record was last modified.

Activity Log 2

CC ID: 885727
Activity Date/Time: 2017-11-14
Description:

Converted from FGDC Content Standards for Digital Geospatial Metadata (version FGDC-STD-001-1998) using 'fgdc_to_inport_xml.pl' script. Contact Tyler Christensen (NOS) for details.

Activity Log 3

CC ID: 885729
Activity Date/Time: 2018-02-08
Description:

Partial upload of Positional Accuracy fields only.

Activity Log 4

CC ID: 885730
Activity Date/Time: 2018-03-13
Description:

Partial upload to move data access links to Distribution Info.

Data Quality

Horizontal Positional Accuracy:

JASPER COUNTY: Horizontal accuracy is 1 m based on collection specifications.

COLLETON COUNTY: Horizontal accuracy is 1 m based on collection specifications.

CHARLESTON COUNTY: Horizontal accuracy is 1 m based on collections specifications.

Vertical Positional Accuracy:

JASPER COUNTY: Based on a control-to-LiDAR comparison, LiDAR data delivered for this project returned an RMSE of 0.06 m and an Accuracy of 0.12 m in open terrain, based on 42 points. Combined Vertical Accuracy (CVA) is 0.30 m based on 108 points.

COLLETON COUNTY: Based on a control-to-LiDAR comparison, LiDAR data delivered for this project returned an RMSE of 0.068 m and an Accuracy of 0.13 m in open terrain, based on 21 points. Combined Vertical Accuracy (CVA) is 0.22 m based on 91 points.

CHARLESTON COUNTY: Based on a control-to-LiDAR comparison, LiDAR data delivered for this project returned an RMSE of 0.092 m and an Accuracy of 0.18 m at the 95% confidence level in open terrain, based on 26 points. Combined Vertical Accuracy (CVA) is 0.183 m at the 95% confidence level, based on 75 points.

Completeness Report:

All project tasks have been completed. No known data gaps exist (with the exception of water areas) within the

project area.

Conceptual Consistency:

Elevation and hydrography data was delivered covering the full extent of Jasper and Colleton Counties, and partial county coverage of Charleston County.

Lineage

Sources

Classified Lidar

CC ID: 885748
Contact Role Type: Originator
Contact Type: Organization
Contact Name: Photo Science

Digital Elevation Models

CC ID: 885747
Contact Role Type: Originator
Contact Type: Organization
Contact Name: Photo Science

Jasper, Colleton and Charleston Counties, South Carolina

CC ID: 885733
Contact Name: Photo Science, Inc
Publish Date: 2007-10-30
Extent Type: Range
Extent Start Date/Time: 2006-12-27
Extent End Date/Time: 2007-03-23
Source Contribution:

Raw LiDAR elevation data utilized in production of final bare ground surface. | Type of Source Media: Hard Drive

Raw Lidar

CC ID: 885746
Contact Role Type: Originator
Contact Type: Organization
Contact Name: PhotoScience

Process Steps

Process Step 1

CC ID: 885734
Description:

JASPER COUNTY: Utilizing Photo Science's two ALS-50 LiDAR sensors, data was collected to cover Jasper County, South Carolina.

Data was collected in a total of 111 flightlines at a pulse rate of 75,000 points per second.

COLLETON COUNTY: Utilizing Photo Science's two ALS-50 LiDAR sensors, data was collected to cover Colleton County, South Carolina.

Data was collected in a total of 160 flightlines at a pulse rate of 75,000 points per second.

CHARLESTON COUNTY: Utilizing Photo Science's two ALS-50 LiDAR sensors, data was collected to cover Charleston County, South

Carolina. Data was collected in a total of 77 flightlines at a pulse rate of 75,000 points per second.

Process Date/Time: 2007-03-23 00:00:00

Process Step 2

CC ID: 885735
Description:

Raw LiDAR data (collected as Process Step 1) was processed to create a bare ground surface. Process included calibration of LiDAR data to remove systematic errors (utilizing Leica's ALS Processor software), adjustment of elevation data to control positions (utilizing TerraScan software for control comparisons and adjustments), and both automatic and manual editing to correctly classify ground and non-ground data (utilizing TerraScan and TerraModeler software). In addition, QC steps were performed before and after processing. QC steps included line-to-line vertical comparisons and coverage checks, and were performed with TerraScan and GeoCue software.

Process Date/Time: 2007-10-30 00:00:00
Source: Raw Lidar

Process Step 3

CC ID: 885736
Description:

Following bare ground surface creation (Process Step 2),Photo Science utilized the resulting dataset as a source for collection of hydrographic features, including double-line drains, single-line drains, and bodies of water. Hydro features were collected from bare ground surface models in MicroStation v8 software. After collection was complete, Photo Science adjusted elevation of all hydro features to ensure proper monotonicity using FME and proprietary software.

Process Date/Time: 2007-10-30 00:00:00
Source: Classified Lidar

Process Step 4

CC ID: 885737
Description:

The NOAA Office for Coastal Management (OCM) received DEM files in ASCII XYZ format. Global Mapper version 20.1 was used to convert the data from XYZ format to GeoTIFF.

Process Date/Time: 2008-03-21 00:00:00
Process Contact: NOAA Office for Coastal Management (NOAA/OCM)
Phone (Voice): (843) 740-1202
Email Address: coastal.info@noaa.gov
Source: Digital Elevation Models

Catalog Details

Catalog Item ID: 58130
Metadata Record Created By: Kirk Waters
Metadata Record Created: 2019-11-01 14:23+0000
Metadata Record Last Modified By: Brianna Key
Metadata Record Last Modified: 2020-12-14 21:46+0000
Metadata Record Published: 2020-12-14
Owner Org: OCM
Metadata Publication Status: Published Externally
Do Not Publish?: N
Metadata Next Review Date: 2021-12-15