Jones Edmunds & Associates
20090415
ir5_nn
raster digital data
withheld
ir5_nn
Raster grids provide a 2-dimensional representation of the earth's surface. This raster grid is derived from a terrain dataset created from LiDAR data flown from July 2007 to August 2007 by Woolpert Inc.
Raster grid contains information that will be used to create hydraulic and hydrologic models.
en
20070717
unknown
20070809
REQUIRED: The year (and optionally month, or month and day) for which the data set corresponds to the ground.
ground condition
As needed
-80.617825
-80.307202
27.868259
27.550730
779997.500042
880002.500042
1169997.499934
1285002.499934
None
LIDAR
Digital Terrain Model (DTM)
None
Florida
Indian River County
The data are being provided on an 'as is' basis. Jones Edmunds specifically disclaims any warranty, expressed or implied, including, but not limited to, the implied warranties or merchantability and fitness for a particular use. The entire risk as to quality and performance is with the user. In no event will Jones Edmunds or its staff be liable for any direct, indirect, incidental, special, consequential, or other damages, including loss of profit, arising out of the use of these data even if the Jones Edmunds has been advised of the possibility of such damages. All data are intended for resource management use.
Use of these data requires a general understanding of GIS. Translation of files to formats other than those described here is the sole responsibility of individuals downloading the data.
Jones Edmunds & Associates
mailing and physical address
730 NE Waldo Road
Gainesville
Florida
32641
USA
352.377.5821
8am-5pm
telephone
ESRI ArcCatalog 9.3.1.1850
Raster Dataset
DEM data
The data should be complete without any gaps.
Complete
created from LiDAR data that should meet 3.8 foot (2.2 ft RMSE)
created from LiDAR data that should meet .6 foot fundamental vertical accuracy
Florida DEM
Woolpert, Inc.
20080327
Unknown
Contract 07-HS-34-14-00-22-469
model
disc
20080327
ground condition
Laser
Onboard Laser
LiDAR was collected within portions of Indian River County. System Parameters/Flight Plan: The LiDAR system acquisition parameters were developed based on a maximum average ground sample distance of 4 feet. Two Leica ALS50 sensors were used for acquisition. Acquisition specifications for the two sensors were as follows: Sensor 19 Field of View (full angle) - 29 degrees Nominal flight altitude (AMSL) - 3999.30 feet Airspeed - 54.02 meters/sec Laser pulse rate - 75,000 Hz Nominal swath width (on ground) - 2068.58 feet Maximum cross track point spacing - 3.91 feet Maximum along track point spacing - 3.94 feet Average point spacing - 2.21 feet Flight line spacing - 1544.95 feet Side overlap - 25.31 percent Sensor 59 Field of View (full angle) - 29 degrees Nominal flight altitude (AMSL) - 3999.30 feet Airspeed - 60.70 meters/sec Laser pulse rate - 84,400 Hz Nominal swath width (on ground) - 2068.58 feet Maximum cross track point spacing - 3.94 feet Maximum along track point spacing - 3.91 feet Average point spacing - 2.21 feet Flight line spacing - 1413.72 feet Side overlap - 31.66 percent. LiDAR System Calibration: Prior to the LiDAR acquisition, the system underwent a calibration to verify the operational accuracy and misalignment angles. Boresight calibrations were performed for each LiDAR system at the beginning and end of each flight mission. LiDAR Data Acquisition: LiDAR data acquisition only occurred when the sky was sufficiently clear of clouds, smoke, and atmospheric haze. The LiDAR data was processed immediately after the acquisition to verify the coverage had no voids. GPS/Inertial Measurement Unit (IMU) Post Processing: The GPS and IMU data was post processed using differential and Kalman filter algorithms to derive a best estimate of trajectory. The quality of the solution was verified to be consistent with the accuracy requirements of the project. LiDAR Processing and Classification: The LiDAR data was post processed and verified to be consistent with the project requirements in terms of post spacing and absence of artifacts. The point cloud underwent classification to determine bare-earth points (class 2), noise points (class 7), water returns (class 9), and unclassified data (class 1). Class 12 contains LiDAR points removed from the overlap region between adjacent flight lines.
20090105
Woolpert, Inc.
Richard R. Hudson, PE, PSM, CP
Project Manager
mailing and physical address
3504 Lake Lynda Drive, Suite 400
Orlando
Florida
32817
USA
407-381-2192
407-384-1185
www.woolpert.com
8:00-5:00
Monday-Friday
The Airborne Global Positioning System (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 20 mile radius from the flight survey area.
withheld
withheld
withheld
withheld
20090105
withheld
withheld
Woolpert, Inc.
Richard R. Hudson, PE, PSM, CP
Project Manager
mailing and physical address
3504 Lake Lynda Drive, Suite 400
Orlando
Florida
32817
USA
407-381-2192
407-384-1185
www.woolpert.com
8:00-5:00
Monday-Friday
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 1.1 file format. The LAS file 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 Florida State Plane East Zone coordinate system, with units in feet and referenced to the NAD83/90 HARN horizontal datum and NAVD88 vertical datum.
withheld
withheld
withheld
20090105
withheld
Richard R. Hudson, PE, PSM, CP
Woolpert, Inc.
Project Manager
mailing and physical address
3504 Lake Lynda Drive, Suite 400
Orlando
Florida
32817
USA
407-381-2192
407-384-1185
www.woolpert.com
8:00-5:00
Monday-Friday
The unedited data are classified to facilitate the application of the appropriate feature extraction filters. 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. Point classification: Class1 = Unclassified, Class2 = Ground, Class7 = Noise, Class9 = Water, Class12 = Overlap
20090105
Richard R. Hudson, PE, PSM, CP
Woolpert, Inc.
Project Manager
mailing and physical address
3504 Lake Lynda Drive, Suite 400
Orlando
Florida
32817
USA
407-381-2192
407-384-1185
www.woolpert.com
8:00-5:00
Monday-Friday
Filtered LiDAR and vector data are subjected to rigorous QA/QC procedures designed by Woolpert. Stereo imagery was created from the LiDAR surface and orthophoto imagery using GeoCue software. From these stereo images, or LiDARgrammetry, breakline features were collected along linear topographic features as required. Breakline elevations were linearly ramped between identified critical elevation points.
withheld
20090105
withheld
withheld
Richard R. Hudson, PE, PSM, CP
Woolpert, Inc.
Project Manager
mailing and physical address
3504 Lake Lynda Drive, Suite 400
Orlando
Florida
32817
USA
407-381-2192
407-384-1185
www.woolpert.com
8:00-5:00
Monday-Friday
A breakline enforced terrain was created in ArcCatalog using the vector breakline data and masspoints from the Indian River County delivery area.
052009
Jones Edmunds & Associates
mailing and physical address
730 NE Waldo Road
Gainesville
Florida
32641
USA
352.377.5821
The DEM was created using ArcCatalog's 'Terrain to Raster' tool. 'Natural_Neighbors' was chosen as the sampling method and a cell size of 5 feet was designated.
052009
Jones Edmunds & Associates
mailing and physical address
730 NE Waldo Road
Gainesville
Florida
32641
USA
352.377.5821
Metadata imported.
withheld
20090415
15493000
Metadata imported.
withheld
20090415
17251100
Metadata imported.
withheld
20090604
09440700
Raster
Grid Cell
23001
20001
1
5.000000
5.000000
32
Upper Left
FALSE
Default
1
matrix values
TRUE
GRID
row and column
5.000000
5.000000
survey feet
D_North_American_1983_HARN
Geodetic Reference System 80
6378137.000000
298.257222
GCS_North_American_1983_HARN
NAD_1983_HARN_StatePlane_Florida_East_FIPS_0901_Feet
North American Vertical Datum of 1988
0.000328
Feet
Explicit elevation coordinate included with horizontal coordinates
United States Geological Survey
GIS
mailing and physical address
2010 Levy Ave
Tallahassee
FL
32310
(850) 942-9500
(850) 942-9521
8:00 am to 5:00 pm
Downloadable Data
The data are being provided on an 'as is' basis. Jones Edmunds specifically disclaims any warranty, expressed or implied, including, but not limited to, the implied warranties or merchantability and fitness for a particular use. The entire risk as to quality and performance is with the user. In no event will Jones Edmunds or its staff be liable for any direct, indirect, incidental, special, consequential, or other damages, including loss of profit, arising out of the use of these data even if Jones Edmunds has been advised of the possibility of such damages. All data are intended for resource management use.
Geodatabase
1799.827
1799.827
withheld
CD-ROM
ISO9660
fee unknown
200904
20090604
Jones Edmunds & Associates
GIS Department Manager
mailing and physical address
730 NE Waldo Road
Gainesville
Florida
32641
352.377.5821
352.377.3166
8am-5pm
telephone
FGDC Content Standards for Digital Geospatial Metadata
FGDC-STD-001-1998
local time
The data are being provided on an 'as is' basis. Jones Edmunds specifically disclaims any warranty, expressed or implied, including, but not limited to, the implied warranties or merchantability and fitness for a particular use. The entire risk as to quality and performance is with the user. In no event will Jones Edmunds or its staff be liable for any direct, indirect, incidental, special, consequential, or other damages, including loss of profit, arising out of the use of these data even if Jones Edmunds has been advised of the possibility of such damages. All data are intended for resource management use.
Use of these data requires a general understanding of GIS. Translation of files to formats other than those described here is the sole responsibility of individuals downloading the data.
http://www.esri.com/metadata/esriprof80.html
ESRI Metadata Profile
en
{8A82C128-B3B1-4D41-BB54-6EB5F7F0E937}
20090604
09440700
FALSE
20140225
08475800
20140225
08475800
IRC_DEM_15ft.tif
002
779997.500042
880002.500042
1169997.499934
1285002.499934
1
Projected
GCS_North_American_1983_HARN
Linear Unit: Foot_US (0.304801)
NAD_1983_HARN_StatePlane_Florida_East_FIPS_0901_Feet
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32
FALSE
LZW
1
TIFF
TRUE
continuous
floating point
-3.4028235e+038
Esri ArcGIS 10.2.1.3497
IRC_DEM_15ft.tif
779997.500042
880002.500042
1285002.499934
1169997.499934
1
-80.617825
-80.307202
27.868259
27.55073
1
1
-80.617825
-80.307202
27.868259
27.550730
This raster grid is derived from a terrain dataset created from LiDAR data flown from July 2007 to August 2007 by Woolpert Inc.
LIDAR
Digital Terrain Model (DTM)
Raster elevation grid, 15 ft grd, created from Florid DEM 2007 LiDAR elevation data.
IRC
none
ISO 19115 Geographic Information - Metadata
DIS_ESRI1.0
dataset
withheld
Local Area Network
002
1799.827
Raster Dataset
Raster Dataset
NAD_1983_HARN_StatePlane_Florida_East_FIPS_0901_Feet
EPSG
8.2.6
2
1
20001
5
Foot_US
1 Foot_US = 0.304801 Meter(s)
23001
5
Foot_US
1 Foot_US = 0.304801 Meter(s)
2
1
0
779997.500042 1169997.499934
779997.500042 1285002.499934
880002.500042 1285002.499934
880002.500042 1169997.499934
830000.000042 1227499.999934
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15.000000
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15.000000
20140225
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