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Short Citation:
OCM Partners, 2022: Florida Department of Emergency Management 2007 Southwest Florida DEM, https://www.fisheries.noaa.gov/inport/item/49405.

Item Identification

Title: Florida Department of Emergency Management 2007 Southwest Florida DEM
Short Name: 2007_FDEM_Southwest_m6252_metadata
Status: Completed
Publication Date: 2017-04-15
Abstract:

This Digital Elevation Model (DEM) was derived from the (2007) lidar and terrain data collected by the Florida Department of Emergency Management (FDEM). The existing LiDAR and terrain data was processed by Woolpert, Inc. to a DEM at a five foot spacing, tiled, and numbered into 5000' x 5000' tiles according to the Florida Statewide (2007) tiling scheme for the Southwest Florida Water Management District's Topographic Information and Publication System (TIPS) project in 2008. This metadata record covers an aggregate of collections in 2007 in Southwest Florida to facilitate distribution through the NOAA Digital Coast.

Original contact information:

Contact Name: Mapping and GIS Section

Contact Org: Southwest Florida Water Management District

Phone: (352) 796-7211

Purpose:

This Digital Elevation Model (DEM) was constructed for the explicit purpose of water modeling within watersheds. The data is designed to meet or exceed the National Spatial Standards for Digital Data (NSSDA) as specified in the survey reports that accompany the original project data.

Notes:

12060

Supplemental Information:

This DEM tile may represent an entire (5000' x 5000') tile within the Florida Statewide Grid or it may contain a portion thereof. Polygon indexes do not differentiate partial tiles.

Keywords

Theme Keywords

Thesaurus Keyword
UNCONTROLLED
DTM DEM
DTM FDEM
DTM TIPS
ISO 19115 Topic Category elevation

Spatial Keywords

Thesaurus Keyword
UNCONTROLLED
SWFWMD Charlotte County
SWFWMD Citrus County
SWFWMD DeSoto County
SWFWMD Florida
SWFWMD Hardee County
SWFWMD Hernando County
SWFWMD Highlands County
SWFWMD Hillsborough County
SWFWMD Manatee County
SWFWMD Pasco County
SWFWMD Pinellas
SWFWMD Sarasota County
SWFWMD Southwest Florida Water Management District
SWFWMD SWFWMD

Physical Location

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

Data Set Information

Data Set Scope Code: Data Set
Maintenance Frequency: Irregular
Data Presentation Form: Map (digital)
Distribution Liability:

Translation of files to formats other than those described here is the sole responsibility of individuals downloading the data.

Data Set Credit: SWFWMD, Florida Division of Emergency Management, and Woolpert, Inc.

Support Roles

Data Steward

CC ID: 660836
Date Effective From: 2017-04-15
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: 660838
Date Effective From: 2017-04-15
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: 660839
Date Effective From: 2017-04-15
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: 660837
Date Effective From: 2017-04-15
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: 660842
W° Bound: -82.8576
E° Bound: -81.2642
N° Bound: 29.06443
S° Bound: 26.74066

Extent Group 1 / Time Frame 1

CC ID: 660841
Time Frame Type: Discrete
Start: 2007

Spatial Information

Spatial Representation

Representations Used

Grid: Yes

Grid Representation 1

CC ID: 660827
Dimension Count: 3
Cell Geometry: Area
Transformation Parameters Available?: No

Axis Dimension 1

Dimension Type: Row
Size: 1000

Axis Dimension 2

Dimension Type: Column
Size: 1000

Axis Dimension 3

Dimension Type: Vertical
Size: 1

Access Information

Security Class: Unclassified
Data Access Procedure:

This data can be obtained on-line at the following URL:

https://coast.noaa.gov/dataviewer/#/lidar/search/where:ID=6252.

;

Data Access Constraints:

None

Data Use Constraints:

The original terrain data used in the construction of this DEM were collected and processed under the supervision of a licensed Professional Surveyor and Mapper. However, the derived DEM product for this project is not certified to that same extent. Use of these data requires a general understanding of GIS and measurements of spatial accuracy.

Distribution Information

Distribution 1

CC ID: 720705
Start Date: 2017
End Date: Present
Download URL: https://coast.noaa.gov/dataviewer/#/lidar/search/where:ID=6252
Distributor: NOAA Office for Coastal Management (NOAA/OCM) (2017-04-15 - 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: 720706
Start Date: 2017
End Date: Present
Download URL: https://coast.noaa.gov/htdata/raster2/elevation/Southwest_FL_FDEM_DEM_2007_tif_6252
Distributor: NOAA Office for Coastal Management (NOAA/OCM) (2017-04-15 - Present)
File Name: Bulk Download
Description:

Simple download of data files.

File Type: GeoTIFF

URLs

URL 1

CC ID: 720708
URL: https://coast.noaa.gov/dataviewer
URL Type:
Online Resource

URL 2

CC ID: 720709
URL: https://coast.noaa.gov
URL Type:
Online Resource

Activity Log

Activity Log 1

CC ID: 660862
Activity Date/Time: 2017-03-29
Description:

Date that the source FGDC record was last modified.

Activity Log 2

CC ID: 660861
Activity Date/Time: 2017-11-14
Description:

Converted from FGDC Content Standard 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: 718024
Activity Date/Time: 2018-02-08
Description:

Partial upload of Positional Accuracy fields only.

Activity Log 4

CC ID: 720707
Activity Date/Time: 2018-02-13
Description:

Partial upload to move data access links to Distribution Info.

Data Quality

Accuracy:

Refer to the MTS Report of Specific Survey for the original project data set. There are no Attributes in this data set.

Horizontal Positional Accuracy:

Refer to the MTS Report of Specific Survey for the original project data set.

Vertical Positional Accuracy:

Refer to the MTS Report of Specific Survey for the original project data set.

Completeness Measure:

Cloud Cover: 0

Completeness Report:

This DEM is complete as represented in the particular tile.

Conceptual Consistency:

The LiDAR data was acquired using a Leica ALS50 from an average altitude of 3,000-feet above ground level to provide an average ground sample distance of 2.1-feet. First and last return data was collected along with the signal return intensity. Two redundant airborne GPS bases stations were utilized during the data acquisition with maximum line-of-sight distance between the base station and aircraft of 20-km. The LiDAR data was reduced using Grafnav (Waypoint Consulting) for GPS post-processing, PosProc (Applanix Crop) for IMU processing, ALS50 Post Processor (LH Systems) to initial LiDAR processing, TerraScan (Terrasolid) for initial point classification, and proprietary Woolpert developed software for refining the point classification and QC. The LiDAR data was reviewed in 3D using a digital photogrammetric workstation using ADS40 digital stereo imagery. 3D breaklines were collected at the digital photogrammetric workstation during the LiDAR data review. These breaklines were delineated to insure the DTM is hydrologically correct. The original LiDAR data was developed in accordance with the Federal Emergency Management Agency's (FEMA) Guidelines and Specifications for Flood Hazard Mapping Partners, Appendix A: Guidance for Aerial Mapping and Surveying, April 2003.

Lineage

Process Steps

Process Step 1

CC ID: 660824
Description:

The existing LiDAR Masspoints and breaklines were imported into ArcGIS v9.2 with Service Pack 6 and the LP360 extension (by QCoherent, Inc.) v 1.62. The LiDAR data and Breaklines were used to construct a hydro-enforced surface that was exported as a Floating Point grid (.FLT format). The grid file was provided in ESRI 32-bit floating point Grid format.

Process Date/Time: 2008-01-01 00:00:00

Process Step 2

CC ID: 660825
Description:

Original data for FDEM Southwest Florida DEMs were downloaded from the FDEM ftp site ftp://ftp.labins.org/LiDAR/ by the NOAA Office of Coastal Management. Data were in ESRI ArcGrid format with vertical units of feet. To provide the data in an open format, NOAA converted the DEMS to GeoTIFF format and vertical units of meters using 'gdal_translate -scale 0 1 0 0.3048 infile.adf outfile.tif' for each file.

Process Date/Time: 2017-03-01 00:00:00

Process Step 3

CC ID: 1183951
Description:

Units were converted back to feet to match the horizontal units. Georeferencing was added for the vertical. Cloud optimized geotiffs were produced.

Process Date/Time: 2022-09-12 00:00:00
Process Contact: NOAA Office for Coastal Management (NOAA/OCM)
Phone (Voice): (843) 740-1202
Email Address: coastal.info@noaa.gov

Catalog Details

Catalog Item ID: 49405
GUID: gov.noaa.nmfs.inport:49405
Metadata Record Created By: Anne Ball
Metadata Record Created: 2017-11-15 15:12+0000
Metadata Record Last Modified By: Kirk Waters
Metadata Record Last Modified: 2022-09-12 20:21+0000
Metadata Record Published: 2018-02-13
Owner Org: OCMP
Metadata Publication Status: Published Externally
Do Not Publish?: N
Metadata Last Review Date: 2018-02-13
Metadata Review Frequency: 1 Year
Metadata Next Review Date: 2019-02-13