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Metadata Identifier: gov.noaa.csc.maps:2006_FL_SWFWMD_Rutland_Ranch_m68
MD_DataIdentification
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2006 Southwest Florida Water Management District (SWFWMD) Lidar: Rutland
Ranch District
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The Light Detection and Ranging (LiDAR) LAS dataset is a survey of select
areas within Rutland Ranch. This data falls in Manatee County. These data were produced
for the Southwest Florida Water Management District (SWFWMD). The Rutland Ranch LiDAR
Survey project area consists of approximately 17 square miles. The LiDAR point cloud
was flown at a density sufficient to support a maximum final post spacing of 4 feet
for unobscured areas. 3001 Inc. acquired 40 flightlines on February 1, 2006. The data
was divided into 5000' by 5000' foot cells that serve as the tiling scheme. The Rutland
Ranch LiDAR Survey was collected under the guidance of a Professional Mapper/ Surveyor.
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SV_Identification
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2006 Southwest Florida Water Management District (SWFWMD) Lidar: Rutland Ranch District |
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Lidar Final Report |
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None |
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North American Datum 1983 |
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resourceProvider |
http://www.epsg-registry.org/export.htm?gml=urn:ogc:def:crs:EPSG::4269 |
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Citation URL |
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ftp://ftp.csc.noaa.gov/pub/crs/beachmap/qa_docs/fl/swfwmd/Rutland_Ranch_Ground_Control_Report.pdf |
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3001 Inc. |
LiDAR Department |
lidar@3001inc.com |
processor |
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NOAA CSC (originator) |
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DOC/NOAA/NOS/CSC > Coastal Services Center, National Ocean Service, National Oceanic
and Atmospheric Administration, U.S. Department of Commerce
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csc.info@noaa.gov |
originator |
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NOAA CSC (publisher) |
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DOC/NOAA/NOS/CSC > Coastal Services Center, National Ocean Service, National Oceanic
and Atmospheric Administration, U.S. Department of Commerce
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csc.info@noaa.gov |
publisher |
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NOAA CSC(distributor) |
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DOC/NOAA/NOS/CSC > Coastal Services Center, National Ocean Service, National Oceanic
and Atmospheric Administration, U.S. Department of Commerce
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csc.info@noaa.gov |
distributor |
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NOAA CSC (processor) |
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DOC/NOAA/NOS/CSC > Coastal Services Center, National Ocean Service, National Oceanic
and Atmospheric Administration, U.S. Department of Commerce
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csc.info@noaa.gov |
processor |
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EPSG Registry |
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European Petroleum Survey Group |
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publisher |
http://www.epsg-registry.org/ |
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Mapping and GIS Section |
Southwest Florida Water Management District |
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pointOfContact |
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Mike Sutherland(author) |
Mike Sutherland |
DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department
of Commerce
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mike.sutherland@noaa.gov |
author |
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Mike Sutherland |
Mike Sutherland |
DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department
of Commerce
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mike.sutherland@noaa.gov |
distributor |
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Pamela Grothe |
DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department
of Commerce
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processor |
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Southwest Florida Water Management District (SWFWMD) |
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originator |
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ftp://ftp.csc.noaa.gov/pub/crs/beachmap/qa_docs/fl/swfwmd/Rutland_Ranch_Ground_Control_Report.pdf |
Lidar Final Report |
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information |
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http://www.epsg-registry.org/ |
European Petroleum Survey Group Geodetic Parameter Registry |
Registry that accesses the EPSG Geodetic Parameter Dataset, which is a structured
dataset of Coordinate Reference Systems and Coordinate Transformations.
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search |
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http://www.epsg-registry.org/export.htm?gml=urn:ogc:def:crs:EPSG::4269 |
NAD83 |
Link to Geographic Markup Language (GML) description of reference system. |
information |
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Ellipsoid in Meters |
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urn:ogc:def:crs:EPSG::4269 |
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Bounding Box |
Temporal Extent |
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-82.316007 |
-82.215560 |
27.567550 |
27.495774 |
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-82.316007 |
-82.215560 |
27.567550 |
27.495774 |
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Lidar Use Limitation |
These data depict the elevations at the time of the survey and are only
accurate for that time. 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. Any conclusions
drawn from analysis of this information are not the responsibility of NOAA
or any of its partners. These data are NOT to be used for navigational purposes.
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Ellipsoid |
Ellipsoid in Meters |
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NAD83 |
urn:ogc:def:crs:EPSG::4269 |
North American Datum 1983 |
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Lidar Final Report |
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crossReference |
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2006-02-01T00:00:00 |
The ABGPS, inertial measurement unit (IMU), and raw scans are collected
during the LiDAR aerial survey. The ABGPS monitors the xyz position of the sensor
and the IMU monitors the orientation. During the aerial survey laser pulses reflected
from features on the ground surface are detected by the receiver optics and collected
by the data logger. GPS locations are based on data collected by receivers on the
aircraft and base stations on the ground. The ground base stations are placed no more
than 35 km radius from the flight survey area.
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2006-07-12T00:00:00 |
The ABGPS, IMU, and raw scans are integrated using proprietary software
developed by the Leica Geosystems and delivered with the Leica ALS50 System. The resultant
file is in a LAS binary file format. The LAS file version 1.0 format can be easily
transferred from one file format to another. It is a binary file format that maintains
information specific to the LiDAR data (return#, intensity value, xyz, etc.). The
resultant points are produced in the State Plane Florida West (FIPS 0902) coordinate
system, with units in feet and referenced to the NAD83 horizontal datum and NAVD88
vertical datum.
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2006-07-19T00:00:00 |
The unedited data are classified to facilitate the application of
the appropriate feature extraction filters. A combination of proprietary filters are
applied as appropriate for the production of bare earth digital terrain models (DTMs).
Interactive editing methods are applied to those areas where it is inappropriate or
impossible to use the feature extraction filters, based upon the design criteria and/or
limitations of the relevant filters. These same feature extraction filters are used
to produce elevation height surfaces.
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2006-08-31T00:00:00 |
Filtered and edited data are subjected to rigorous QA/QC according
to the 3001 Inc. Quality Control Plan and procedures. Very briefly, a series of quantitative
and visual procedures are employed to validate the accuracy and consistency of the
filtered and edited data. Ground control is established by 3001, Inc. and GPS-derived
ground control points (GCPs) points in various areas of dominant and prescribed land
cover. These points are coded according to land cover, surface material and ground
control suitability. A suitable number of points are selected for calculation of a
statistically significant accuracy assessment as per the requirements of the National
Standard for Spatial Data Accuracy. A spatial proximity analysis is used to select
edited LiDAR data points within a specified distance of the relevant GCPs. A search
radius decision rule is applied with consideration of terrain complexity, cumulative
error and adequate sample size. Accuracy validation and evaluation is accomplished
using proprietary software to apply relevant statistical routines for calculation
of Root Mean Square Error (RMSE) and the National Standard for Spatial Data Accuracy
(NSSDA) according to Federal Geographic Data Committee (FGDC) specifications.
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2006-09-04T00:00:00 |
The LiDAR mass points were delivered in American Society for Photogrammetry
and Remote Sensing LAS 1.0 format. The header file for each dataset is complete as
define by the LAS 1.0 specification. In addition the following fields are included:
Flight Date Julian, Year, and Class. The LAS files do not include overlap. The data
was classified as follows: Class 1 = Unclassified. This class includes vegetation,
buildings, noise etc. Class 2 = Ground Class 9 = Water The datasets were delivered
in the Districts standard 5000' by 5000' tiling scheme. The tiles are contiguous and
do not overlap. The tiles are suitable for seamless topographic data mosaics that
include no "no data" areas. The names of the tiles are left padded with zeros as required
to achieve a five character length and all files utilize the LAS file extension.
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2008-01-25T00:00:00 |
The NOAA Coastal Services Center (CSC) received the files in LAS format.
The files contained Lidar elevation measurements. The data was in Florida State Plane
Projection and NAVD88 vertical datum. CSC performed the following processing to the
data to make it available within the LDART Retrieval Tool (LDART): 1. The data were
converted from Florida State Plane West coordinates to geographic coordinates. 2.
The data were converted from NAVD88 (orthometric) heights to GRS80 (ellipsoid) heights
using Geoid 99. 3. The LAS data were sorted by latitude and the headers were updated.
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2009-07-14T00:00:00 |
The NOAA National Geophysical Data Center (NGDC) received lidar data
files via ftp transfer from the NOAA Coastal Services Center. The data are
currently being served via NOAA CSC Digital Coast at http://www.csc.noaa.gov/digitalcoast/.
The data can be used to re-populate the system. The data are archived in LAS
or LAZ format. The LAS format is an industry standard for LiDAR data developed by
the American Society of Photogrammetry and Remote Sensing (ASPRS); LAZ is a loseless
compressed version of LAS developed by Martin Isenburg (http://www.laszip.org/). The
data are exclusively in geographic coordinates (either NAD83 or ITRF94). The data
are referenced vertically to the ellipsoid (either GRS80 or ITRF94), allowing for
the ability to apply the most up to date geoid model when transforming to orthometric
heights.
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