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Coastal Connecticut 2004 Color Orthophoto

Metadata:


Identification_Information:
Citation:
Citation_Information:
Originator: NOAA Coastal Services Center (CSC)
Originator: U.S. Geological Survey (USGS)
Publication_Date: 20041223
Title:
Coastal Connecticut 2004 Color Orthophoto
Geospatial_Data_Presentation_Form: Fgdb raster digital data
Publication_Information:
Publication_Place: Hartford, Connecticut, USA
Publisher: State of Connecticut, Department of Environmental Protection (CT DEP)
Other_Citation_Details:
Original Title: Connecticut Coastal ADS40 Digital Imagery Acquisition and Natural Color and Color Infrared Orthophoto Production. CT DEP mosaiced the ADS40 imagery from CSC and NOAA into a single raster dataset that covers the Connecticut coastline, projecting it to the Connecticut State Plane Coordinate System, NAD 83.
Online_Linkage: http://www.ct.gov/dep
Description:
Abstract:
Coastal Connecticut 2004 Color Orthophoto is a raster mosaic of ADS40 natual color digital imagery taken in September 2004 for Connecticut municipalities located along the Long Island Sound coastline. This is a raster mosaic of 122 quarter quadrangle natual color input rasters in GeoTIFF format.

An orthoimage is remotely sensed image data in which displacement of features in the image caused by terrain relief and sensor orientation have been mathematically removed. Orthoimagery combines the image characteristics of a photograph with the geometric qualities of a map.

This task consists of two primary components, ADS40 digital image acquisition and natural color and color infrared digital orthophoto production.  In addition to the orthophotos a reflective surface digital elevation data set covering the project area was produced.
Purpose:
These data have been created as a result of the need for having geospatial data immediately available and easily accessible in order to enhance the capability of the NOAA Coastal Services Center (CSC) and the USGS.
Supplemental_Information:
The bounding coordinates provided within the Spatial Domain section represent a rectangle covering the total area in which the project is located. The actual project boundary located within this area is comprised of areas delimited by areas along the coast of the state of Connecticut.

The Coastal Connecticut project area is comprised of approximately 930 square miles.  A total of 244 orthos (122 natural color and 122 color infrared) were produced to cover this area.

Aerial imagery was collected in panchromatic, Red, Green, Blue and Near Infrared which yielded a natural color and false color infrared version of the completed digital orthophotography. In addition to producing the digital ortho imagery a first surface (reflective surface) elevation data set was produced. Imagery was collected at an approximate altitude of 15,750 feet above mean terrain.

The ADS40 digital camera system used in this project incorporates the latest in sensor technology, optics, electronics, data transfer, and storage. The ADS40 imagery is generated from seven parallel sensor lines in the focal plane of a single lens system, three panchromatic (forward, nadir, backward), red, green, and blue lines placed next to each other, and one infrared. Each panchromatic channel consists of two lines, each with 12,000 pixels, staggered (shifted with respect to each other) by 0.5 pixels. The viewing angles and characteristics of the sensor are as follows -
- Focal length 62.5mm
- Pixel size 6.5mm
- PAN 2 arrays 12,000 pixels each
- R,G,B and NIR,R,G 12,000 pixels
- Backward to nadir stereo angle -14.1 degrees
- Near infrared to nadir stereo angle -2.05 degrees
- Dynamic Range of CCD - 12-bits for all arrays for this dataset, the natural color and color infrared orthoimages were produced at 0.50-meter pixel resolution.

Each digital orthorectified quarter quad provides imagery for a nominal 3.75 by 3.75 minute area corresponding to the USGS quarter quad boundaries. The projected coordinate system is UTM (Zone 18) with a NAD83 datum. The naming convention is based on the National Grid.

Deliverables include -
- 24-Bit Natural Color in GeoTIFF format
- 24-Bit False Color Infrared in GeoTIFF format
- Reflective surface digital elevation data set in .flt
Time_Period_of_Content:
Time_Period_Information:
Multiple_Dates/Times:
Single_Date/Time:
Calendar_Date: 20040920
Single_Date/Time:
Calendar_Date: 20040922
Currentness_Reference:
ground condition
Status:
Progress: Complete
Maintenance_and_Update_Frequency: Unknown
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -73.761209
East_Bounding_Coordinate: -71.805454
North_Bounding_Coordinate: 41.629366
South_Bounding_Coordinate: 40.934966
Keywords:
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: imageryBaseMapsEarthCover
Theme:
Theme_Keyword_Thesaurus: none
Theme_Keyword: rectified imagery
Theme_Keyword: rectified image
Theme_Keyword: orthophoto
Theme_Keyword: Digital Orthophoto Quarter Quad (DOQQ)
Theme_Keyword: image map
Theme_Keyword: Natural Color DOQQ
Theme_Keyword: Color Infrared DOQQ
Place:
Place_Keyword_Thesaurus: U.S. Department of Commerce, 1987, Codes for the Identification of the States, the District of Columbia and the Outlying Areas of The United States, and Associated Areas (Federal Information Processing Standard 5-2): Washington, DC, National Institute of Standards and Technology.
Place_Keyword: Connecticut
Place_Keyword: CT
Access_Constraints: None. No restrictions or legal prerequisites for accessing the data. The data is in the public domain and may be redistributed.
Use_Constraints:
None. No restrictions or legal prerequisites for using the data after access is granted.
Browse_Graphic:
Browse_Graphic_File_Name: http://www.cteco.uconn.edu/metadata/dep/browsegraphic/orthophoto2004coastfullview.jpg
Browse_Graphic_File_Description:
Full view of Coastal Connecticut 2004 Color Orthophoto.
Browse_Graphic_File_Type: JPEG
Browse_Graphic:
Browse_Graphic_File_Name: http://www.cteco.uconn.edu/metadata/dep/browsegraphic/orthophoto2004coastdetailview.jpg
Browse_Graphic_File_Description:
Detail view of Coastal Connecticut 2004 Color Orthophoto within vicinity of the University of Connecticut at Avery Point in Groton, Connecticut.
Browse_Graphic_File_Type: JPEG
Data_Set_Credit:
EarthData International,  LLC
Security_Information:
Security_Classification: Unclassified
Native_Data_Set_Environment:
This raster mosaic is maintained by the State of Connecticut using ArcGIS software developed by Environmental Systems Research Institute (ESRI) in a Microsoft Windows operating system environment. Original Data Set Environment included Leica ADS40 Digital Camera System, ISTAR Digital Image Processing Software, Z/I Imaging Orthopro 4.0, Windows NT/2000 Systems.
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Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
The digital imagery for each acquisition sortie is differentially rectified to produce orthophotography for the Red, Green, and The digital imagery for each acquisition sortie is differentially rectified to produce orthophotography for the Red, Green, and Blue and near infrared channels at a resolution of 0.50-meter per pixel. The orthophoto mosaics are inspected for accuracy issues that fall in the following categories -
- Aerotriangulation related
- DSM related

Accuracy issues will be investigated through review an correction of the DSM or triangulation adjustment. Once the imagery has passed quality control review, final radiometric adjustments are performed to create a uniform overall appearance.
Logical_Consistency_Report:
Compliance with the accuracy standard was ensured by the placement of photo identifiable ground control points and the collection of airborne GPS data.  Using several tools that are part of the ISTAR workflow, a digital surface model (DSM) was correlated at a post spacing of 2 meters depending on terrain and land cover. The ISTAR correlation algorithm computes the X,Y,Z value for each DSM post utilizing every stereo angle that is available. A series of DSM files were created for each acquisition block, one for each stereo look angle. A mosaic was then created from the separate DSM files where the best vertical value for each posting was selected from all look anglescompared against the aerotriangulation adjustment which is incorporated into the mosaic. EarthData then edited the surface to the level required to support the orthophoto production.  An RMS value was calculated based on the imagery utilized in the production of the tile by comparing the AT X and Y coordinates. This value represents an estimate of the accuracy of the horizontal coordinate measurements in the tile expressed in meters.
Completeness_Report:
Compliance with the accuracy standard was ensured by the placement of photo identifiable ground control points and the collection of airborne GPS data.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
The horizontal accuracy of the orthorectified images is mainly determined by the accuracy of the aerotriangulation and digital surface model (DSM). For each rectified image (lift), an RMSE value for all of the standard errors of the tie/pass/control points located in that image (lift) and computed by the aerotriangulation solution was calculated.

The DSM accuracy assessment was achieved by comparing the aerotriangulation-derived elevation with the elevation of the DSM.  In addition, visual examination was employed to assess all tiles and its relative edge match. All results were examined for consistency and its compliance with the NMAS accuracy standard.
Quantitative_Horizontal_Positional_Accuracy_Assessment:
Horizontal_Positional_Accuracy_Value: 0.273256
Horizontal_Positional_Accuracy_Explanation:
Accuracy assessment determined by evaluating the horizontal accuracy obtained during the aerotriangulation process for each lift.
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report:
CheckDEM is a program designed to compare a list of controls against DEM file(s) and therefore to check the accuracy of the DEM file(s). For each control point, first, the program selects all the DEM points that fall into a given radius from the position of the control point. Second, the program calculates a weighted average of the DEM points to interpolate an elevation at the position of the control point. And last, the program computes the difference between the elevation of the control point and the interpolated elevation. After all the control points have been checked, the program computes several statistics on the differences between controls and interpolated DEM elevations. The statistics include RMSE, Standard Deviation, Minimum Difference, Maximum Difference, and Mean Difference. In the output report, the program prints out elevation differences for every control points and the statistics.

Raw elevation measurements have been determined to be vertically accurate to within 0.328 meters.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: Terrasurv Inc.
Publication_Date: 20041223
Publication_Time: Unknown
Title:
Ground Control Survey of Coastal Connecticut
Geospatial_Data_Presentation_Form: model
Type_of_Source_Media: digital tape media
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20040927
Ending_Date: 20040928
Source_Currentness_Reference:
ground condition
Source_Citation_Abbreviation:
GPS ground control
Source_Contribution:
Terrasurv  Inc.  established ground control to support the aerotriangulation process.  A total of 16 points were surveyed to support the AT process.
Source_Information:
Source_Citation:
Citation_Information:
Originator: EarthData International
Publication_Date: 20041223
Publication_Time: Unknown
Title:
Coastal Connecticut Digital Surface Model
Geospatial_Data_Presentation_Form: model
Type_of_Source_Media: digital
Source_Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 20041223
Source_Currentness_Reference:
publication date
Source_Citation_Abbreviation:
digital surface model
Source_Contribution:
Used to provide ground elevations for the orthorectification process.
Source_Information:
Source_Citation:
Citation_Information:
Originator: EarthData International, LLC
Publication_Date: 20041223
Publication_Time: Unknown
Title:
ADS40 Digital Imagery
Geospatial_Data_Presentation_Form: remote-sensing image
Type_of_Source_Media: digital
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20040920
Ending_Date: 20040922
Source_Currentness_Reference:
ground condition
Source_Citation_Abbreviation:
imagery
Source_Contribution:
The digital imagery mission was composed of a total of 2 lifts.  Imagery was obtained at an altitude of 15,750 feet above mean terrain. The mission was flown with a Leica ADS40 digital camera with ABGPS and IMU.

Imagery was acquired on the following dates -
Lift                Date 
26404B        09/20/2004 
26604A        09/22/2004 

Horizontal_Coordinate_System_Definition:
Planar:

Grid_Coordinate_System: 
Grid_Coordinate_System_Name: Universal Transverse Mercator 
Universal_Transverse_Mercator: 
UTM_Zone_Number: 18 
Transverse_Mercator: 
Scale_Factor_at_Central_Meridian: 0.9996 
Longitude_of_Central_Meridian: -075.000000 
Latitude_of_Projection_Origin: +00.000000 
False_Easting: 500000.0 
False_Northing: 0.0 

Planar_Coordinate_Information: 
Planar_Coordinate_Encoding_Method: row and column 
Coordinate_Representation: 
Abscissa_Resolution: 0.50 
Ordinate_Resolution: 0.50 
Planar_Distance_Units: Meters 

Geodetic_Model: 
Horizontal_Datum_Name: North American Datum of 1983 
Ellipsoid_Name: Geodetic Reference System 80 
Semi-major_Axis: 6378137 
Denominator_of_Flattening_Ratio: 298.2572221 
Source_Information:
Source_Citation:
Citation_Information:
Originator: NOAA Coastal Services Center (CSC)
Originator: U.S. Geological Survey (USGS)
Publication_Date: 20041223
Title:
Coastal Connecticut 2004 Color Orthophoto
Geospatial_Data_Presentation_Form: SDE raster digital data
Publication_Information:
Publication_Place: Hartford, Connecticut, USA
Publisher: State of Connecticut, Department of 0Protection (CT DEP)
Other_Citation_Details:
Original Title: Connecticut Coastal ADS40 Digital Imagery Acquisition and Natural Color and Color Infrared Orthophoto Production. CT DEP mosaiced the ADS40 imagery from CSC and NOAA into a single raster dataset that covers the Connecticut coastline, projecting it to the Connecticut State Plane Coordinate System, NAD 83.
Online_Linkage: http://www.ct.gov/dep
Type_of_Source_Media: digital tape media
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20040920
Ending_Date: 20040922
Source_Currentness_Reference:
ground condition
Source_Citation_Abbreviation:
imagery mosaic
Source_Contribution:
Statewide raster mosaic of all input rasters. The raster mosaic is in the Connecticut State Plane Coordinate System, North American Datum of 1983 (NAD83).
Process_Step:
Process_Description:
Source Imagery - ADS40 Digital Camera Imagery.
Control - Airborne GPS/IMU supplemented with photo identifiable field control.
Aerotriangulation - ISTAR software package.
Elevation Model - ISTAR software package.
Radiometric Balancing - ISTAR software package and COTS Software (PhotoShop). 
Orthorectification - ISTAR software package.
Mosaic - ISTAR software package and Z/I Imaging OrthoPro software package.

The following section describes the ISTAR digital image production sequence. This is a mature, stable workflow and incorporates all production components into an integrated series of tools to accomplish photogrammetric mensuration, aerotriangulation, elevation model development, ortho production and finishing. Production processes are fully documented in accordance with ISO9001 mandates.

The following is a step-by-step description of the ISTAR workflow to develop digital orthophoto quarter quads.
				
Step 1
				
The unprocessed ADS40 data and accompanying GPS and IMU data for one or more sorties was downloaded from the portable hard disks and checked to verify that no files were corrupted and that all data could be downloaded.  Digital aerial imagery that was used for this project includes the Red, Green, Blue, Near Infrared channels as well as the S1 pan, S2 pan and nadir green channels. Sample segments of the imagery were inspected in an uncorrected state to verify the integrity of each data sortie.
				
Step 2
				
The GPS/IMU parameters for each sortie were optimized using the ground control points and the error calibration map. The horizontal and vertical positions of all ground control points in the block were observed in each channel (R,G,B, IR, R, G, S1 Pan, S2 Pan).
				
Step 3
				
Aerotriangulation was accomplished using the CLB tool that is a component of the ISTAR process. The ground control, GPS and IMU information were ingested and tie points between strips were identified. Normally, only 3 tie points are needed between adjacent flight lines.
				
Step 4
				
CLB produces a bundle adjustment for each data sortie. The results of the adjustment were verified through the development of a sub-sampled panchromatic mosaic for the data sortie. The mosaic was corrected using the aerotriangulation points only. This mosaic was inspected by the photogrammetric technician to identify any gross errors in the adjustment as well as the identification of any voids or image quality problems.
				
Step 5
				
Using several tools that are part of the ISTAR workflow, a digital surface model (DSM) is correlated at a post spacing of 2 meters depending on terrain and land cover. The ISTAR correlation algorithm computes the X,Y,Z value for each DSM post utilizing every stereo angle that is available. A series of DSM files are created for acquisition block, one for each stereo look angle. A mosaic is then created from the separate DSM files where the best vertical value for each posting is selected from all look angles compared against the aerotriangulation adjustment which is incorporated into the mosaic. EarthData will then edit the surface to the level required to support the orthophoto production.
				
Step 6
				
The digital imagery for each acquisition sortie was differentially rectified to produce digital orthophoto mosaics in natural color and false color infrared renditions at a resolution of 0.50-meter per pixel. The orthophoto mosaics were inspected for accuracy issues that fall in the following categories -
-  Aerotriangulation related
-  DSM related

Accuracy issues were investigated through review and correction of the DEM or triangulation adjustment. Once the imagery  passed quality control review, final radiometric adjustments were performed to create a uniform overall appearance. The final DOQQ tiles were organized for nominal 3.75 by 3.75 minute areas corresponding to the USGS quarter quad boundaries and were clipped out with the specified overage of a minimum of 30 meters beyond the quarter quad boundaries.

Imagery was output in the folowing formats -
24-bit natural color GeoTIFF images
24-bit false color infrared GeoTIFF images
				
Step 7
				
The completed digital orthophotos were checked for image quality.  Minor artifacts were corrected using Adobe Photoshop in an interactive editing session. Digital files were assigned final names based on the National Grid.
				
Step 8
				
Project level metadata describing the orthophoto production process was developed to support the task.
Source_Used_Citation_Abbreviation:
GPS ground control
Source_Used_Citation_Abbreviation:
digital surface model
Source_Used_Citation_Abbreviation:
imagery
Process_Date: 20041223
Process_Step:
Process_Description:
Using ESRI ArcGIS 9.2 software, an empty raster dataset was created and subequently populated with input rasters to create a raster mosaic of all imagery along the Connecticut coast.

STEP 1 - Create Raster Dataset - The Coordinate System for the raster dataset is NAD_1983_StatePlane_Connecticut_FIPS_0600_Feet. The image compression type is JPEG with a compression quality of 90. The Pyramid Reference Point X and Y coordinate are 687800 and 1015180, respectively. Pyramids: 8 Bilinear. The Pixel Type is 8_BIT_UNSIGNED, which supports index values from 0 to 255. Raster statistics were not built. Below is a record of the ESRI Geoprocessing CreateRasterDataset command and arguments that created the empty raster dataset.

CreateRasterDataset "Database Connections\10.18.8.94.depgisraster@DEP.sde" 
Ortho_2004_Coast_Color # 8_BIT_UNSIGNED
PROJCS['NAD_1983_StatePlane_Connecticut_FIPS_0600_Feet',
GEOGCS['GCS_North_American_1983',
DATUM['D_North_American_1983',
SPHEROID['GRS_1980',6378137.0,298.257222101]],
PRIMEM['Greenwich',0.0],
UNIT['Degree',0.0174532925199433]],
PROJECTION['Lambert_Conformal_Conic'],
PARAMETER['False_Easting',999999.999996],
PARAMETER['False_Northing',499999.999998],
PARAMETER['Central_Meridian',-72.75],
PARAMETER['Standard_Parallel_1',41.2],
PARAMETER['Standard_Parallel_2',41.86666666666667],
PARAMETER['Latitude_Of_Origin',40.83333333333334],
UNIT['Foot_US',0.3048006096012192]]
3 DEPRASTER "PYRAMIDS 8 BILINEAR" "128 128" "JPEG 90" "687800 1015180" "Database Connections\10.18.8.94.depgisraster@DEP.sde\depgisraster.DEP.Ortho_2004_Coast_Color

STEP 2 - Mosaic 122 input rasters. The Mosaicking Tolerance value was set to zero (0). Consequently, pixel values in the raster mosaic resulted from a resampling of pixels values from individual input rasters due to the difference in alignment of input and mosaic (target) pixels. Additionally, the Ignore Background Value was set to one (1). This causes pixels along the borders of the input rasters with values of 1 to be set to NoData pixels along the borders of the output raster mosaic when they are projected from UTM to the Connecticut State Plane Coordinate System as part of the mosaic process. Below is an example usage of the ESRI Geoprocessing Mosaic command and arguments used to mosaic 6 quarter quadrangle input rasters.

Mosaic P:\tif_format\18TXL048464.tif P:\tif_format\18TXL049394.tif; P:\tif_format\18TXL100534.tif; P:\tif_format\18TXL101464.tif; P:\tif_format\18TXL102395.tif; P:\tif_format\18TXL103326.tif "Database Connections\10.18.8.94.depgisraster@DEP.sde\DEPGISRASTER.DEP.ORTHO_2004_COAST_COLOR" LAST FIRST 1 # NONE 0 "Database Connections\10.18.8.94.depgisraster@DEP.sde\DEPGISRASTER.DEP.ORTHO_2004_COAST_COLOR"
Source_Used_Citation_Abbreviation:
imagery
Process_Date: 200770821
Process_Time: 120344
Source_Produced_Citation_Abbreviation:
imagery mosaic
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: State of Connecticut, Department of Environmental Protection
Contact_Person: Howie Sternberg
Contact_Address:
Address_Type: mailing and physical address
Address:
70 Elm Street
City: Hartford
State_or_Province: Connecticut
Postal_Code: 06106
Country: USA
Contact_Voice_Telephone: 860-424-3540
Process_Step:
Process_Description:
Copied data from ArcSDE 9.1 raster dataset to FileGeodatabase 9.2 raster dataset format for data distribution purposes. The image properties for the FileGeodatabase 9.2 raster dataset are the same as those for the version of the data in ArcSDE. The image compression type is JPEG with a compression quality of 90. Pyramids: 8 Bilinear. The Pixel Type is 8_BIT_UNSIGNED, which supports index values from 0 to 255. Bands: 3. Raster statistics were not built. Below is a record of the ESRI Geoprocessing CopyRaster command and arguments used in copying the data.

CopyRaster "Database Connections\10.18.8.94_depgisraster_DEP.sde\DEPGISRASTER.DEP.Ortho_2004_Coast_Color"
C:\Connecticut_Ortho_2004_Coast_Color.gdb\Ortho_2004_Coast_Color
# # # NONE NONE 8_BIT_UNSIGNED

On 04/29/09 the FileGeodatabase was subsequently upgraded to version 9.3.
Source_Used_Citation_Abbreviation:
imagery mosaic
Process_Date: 042909
Source_Produced_Citation_Abbreviation:
imagery mosaic
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: State of Connecticut, Department of Environmental Protection
Contact_Person: Howie Sternberg
Contact_Address:
Address_Type: mailing and physical address
Address:
79 Elm Street
City: Hartford
State_or_Province: Connecticut
Postal_Code: 06106
Country: USA
Contact_Voice_Telephone: 860-424-3540
Contact_Facsimile_Telephone: 860-424-4058
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Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Raster
Raster_Object_Information:
Raster_Object_Type: Pixel
Row_Count: 150295
Column_Count: 315290
Vertical_Count: 1
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Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Map_Projection:
Map_Projection_Name: Lambert Conformal Conic
Lambert_Conformal_Conic:
Lambert Conformal Conic
Standard_Parallel: 41.200000
Standard_Parallel: 41.866667
Longitude_of_Central_Meridian: -72.750000
Latitude_of_Projection_Origin: 40.833333
False_Easting: 999999.999996
False_Northing: 499999.999998
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: row and column
Coordinate_Representation:
Abscissa_Resolution: 1.695901
Ordinate_Resolution: 1.672817
Planar_Distance_Units: survey feet
Geodetic_Model:
Horizontal_Datum_Name: North American Datum of 1983
Ellipsoid_Name: Geodetic Reference System 80
Semi-major_Axis: 6378137.000000
Denominator_of_Flattening_Ratio: 298.257222
Vertical_Coordinate_System_Definition:
Altitude_System_Definition:
Altitude_Resolution: 1.000000
Altitude_Encoding_Method: Explicit elevation coordinate included with horizontal coordinates
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Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: State of Connecticut, Department of Environmental Protection
Contact_Address:
Address_Type: mailing and physical address
Address:
79 Elm Street
City: Hartford
State_or_Province: Connecticut
Postal_Code: 06106
Country: USA
Contact_Voice_Telephone: 860-424-3540
Contact_Facsimile_Telephone: 860-4244058
Contact_Electronic_Mail_Address: dep.gisdata@po.state.ct.us
Resource_Description: Coastal Connecticut 2004 Color Orthophoto
Distribution_Liability:
Although these data have been used by the State of Connecticut, no warranty, expressed or implied, is made by the State of Connecticut as to the accuracy of these data and or related materials.  The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the State of Connecticut in the use of these data or related materials. The user assumes the entire risk related to the use of these data. Once the data is distributed to the user, modifications made to the data by the user should be noted in the metadata.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: ArcSDE Export
Format_Version_Number: ArcGIS 9.1
Format_Specification:
ArcSDE Raster Dataset
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Offline_Option:
Offline_Media: disk
Fees: An offline copy of the data may be accessed without charge
Custom_Order_Process:
The data distributor does not provide custom GIS analysis or mapping services. Data is available in a standard format and may be converted to other formats, projections, coordinate systems, or selected for specific geographic regions by the party receiving the data. 
Technical_Prerequisites:
Geographic information sytem (GIS), computer-aided drawing or other mapping software is necessary to display, view and access the information.
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Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: NOAA Coastal Services Center
Contact_Position: Clearinghouse Manager
Contact_Address:
Address_Type: mailing address
Address:
2234 Hobson Avenue
City: Charleston
State_or_Province: SC
Postal_Code: 29405-2413
Country: USA
Contact_Voice_Telephone: 1-843-740-1227
Contact_Electronic_Mail_Address: custserv@usgs.gov
Hours_of_Service: Monday - Friday, 8:00 AM - 5:00 PM (Eastern Time)
Distribution_Liability:
Users must assume responsibility to determine the usability of these data.
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Metadata_Reference_Information:
Metadata_Date: 20090429
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: NOAA Coastal Services Center. (Original metadata provided by NOAA was modified by CT DEP to document subsequent process steps and data distribution efforts implemented by CT DEP)
Contact_Address:
Address_Type: mailing and physical address
Address:
2234 South Hobson Avenue
City: Charleston
State_or_Province: SC
Postal_Code: 29405
Country: USA
Contact_Voice_Telephone: 1-843-740-1227
Hours_of_Service: Monday - Friday, 8:00AM - 5:00PM (Eastern Time)
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time
Metadata_Extensions:
Online_Linkage: http://www.esri.com/metadata/esriprof80.html
Profile_Name: ESRI Metadata Profile
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