2018 Long Island, NY DMC 4-Band 8 Bit Imagery
Office for Coastal Management
Data Set
(DS)
| ID: 54912
| Published / External
Created: 2018-11-19
|
Last Modified: 2024-02-05
Project (PRJ) | ID: 47842
ID: 54912
Data Set (DS)
* Discovery• First Pass
» Metadata Rubric
Item Identification
* » Title | 2018 Long Island, NY DMC 4-Band 8 Bit Imagery |
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Short Name | |
* Status | Completed |
Creation Date | |
Revision Date | |
• Publication Date | 2018-11-19 |
* » Abstract |
This data set consists of a set of aerial triangulated 4-band orthophotos (.tif format) with a .5 meter resolution of the Long Island South Shore that includes the areas of Great South Bay, Moriches Bay, and Shinnecock Bay. The imagery was flown over three days, May 9, 11 and 24, 2018. The digital imagery was acquired by Richard Crouse & Associates(RCA) using an Intergraph DMC2e 230-23522 digital mapping camera. The resulting photographic images were aerotriangulated by Leading Edge Geomatics and reviewed for quality by Dewberry. The imagery was collected under environmental conditions favorable to mapping shallow submerged habitats, in particular seagrass. Missions were timed to coincide with low tide, sun angles below 30 degrees, calm sea state, and low-turbidity. The missions were also scheduled to take advantage of adequate seagrass biomass and minimal brown tide events. Close coordination with local observers on the ground was maintained to ensure good water clarity during data acquisition. |
* Purpose |
The purpose of this imagery set is to provide digital imagery suitable for development of the accurate and detailed benthic habitat data required by the New York State Department of State. The eventual benthic data will be used to assess changes in benthic habitats since 2002 due to changes in water quality and impacts related to storm events such as hurricane Sandy. |
Notes | |
Other Citation Details | |
• Supplemental Information |
Acknowledgement of the New York Governor's Office of Storm Recovery and Dewberry Inc. would be appreciated in products derived from this data. |
DOI (Digital Object Identifier) | |
DOI Registration Authority | |
DOI Issue Date |
Keywords
Theme Keywords
Thesaurus | Keyword |
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Global Change Master Directory (GCMD) Science Keywords | EARTH SCIENCE > SPECTRAL/ENGINEERING > INFRARED WAVELENGTHS > INFRARED IMAGERY |
Global Change Master Directory (GCMD) Science Keywords | EARTH SCIENCE > SPECTRAL/ENGINEERING > VISIBLE WAVELENGTHS > VISIBLE IMAGERY |
ISO 19115 Topic Category | imageryBaseMapsEarthCover |
None | aerial |
None | coastal |
None | digital orthophotography |
None | orthophoto |
None | photograph |
None | rectified image |
None | shoreline |
Temporal Keywords
Thesaurus | Keyword |
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* Spatial Keywords
Thesaurus | Keyword |
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Global Change Master Directory (GCMD) Location Keywords | CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > NEW YORK |
Stratum Keywords
Thesaurus | Keyword |
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Instrument Keywords
Thesaurus | Keyword |
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Global Change Master Directory (GCMD) Instrument Keywords | CAMERAS |
Platform Keywords
Thesaurus | Keyword |
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Global Change Master Directory (GCMD) Platform Keywords | Airplane > Airplane |
Physical Location
• » Organization | Office for Coastal Management |
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• » City | Charleston |
• » State/Province | SC |
• Country | |
• » Location Description |
Data Set Information
* Data Set Scope Code | Data Set |
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• Data Set Type | |
• Maintenance Frequency | None Planned |
Maintenance Note | |
» Data Presentation Form | Image (digital) |
• Entity Attribute Overview | |
Entity Attribute Detail Citation | |
Entity Attribute Detail URL | |
Distribution Liability | |
Data Set Credit |
Support Roles
* » Support Role | Data Steward |
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* » Date Effective From | 2018-11-19 |
Date Effective To | |
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 |
Fax | |
Mobile | |
URL | https://coast.noaa.gov |
Business Hours | |
Contact Instructions |
* » Support Role | Distributor |
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* » Date Effective From | 2018-11-19 |
Date Effective To | |
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 |
Fax | |
Mobile | |
URL | https://coast.noaa.gov |
Business Hours | |
Contact Instructions |
* » Support Role | Metadata Contact |
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* » Date Effective From | 2018-11-19 |
Date Effective To | |
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 |
Fax | |
Mobile | |
URL | https://coast.noaa.gov |
Business Hours | |
Contact Instructions |
* » Support Role | Point of Contact |
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* » Date Effective From | 2018-11-19 |
Date Effective To | |
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 |
Fax | |
Mobile | |
URL | https://coast.noaa.gov |
Business Hours | |
Contact Instructions |
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* Contact Instructions |
Extents
Currentness Reference | Ground Condition |
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Extent Group 1
Extent Description |
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Extent Group 1 / Geographic Area 1
* » W° Bound | -73.755 |
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* » E° Bound | -72.395 |
* » N° Bound | 40.919 |
* » S° Bound | 40.555 |
* » Description |
Extent Group 1 / Vertical Extent
EPSG Code | |
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Vertical Minimum | |
Vertical Maximum |
Extent Group 1 / Time Frame 1
* » Time Frame Type | Discrete |
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* » Start | 2018-05-09 |
End | |
Alternate Start As Of Info | |
Alternate End As Of Info | |
Description |
Extent Group 1 / Time Frame 2
* » Time Frame Type | Discrete |
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* » Start | 2018-05-11 |
End | |
Alternate Start As Of Info | |
Alternate End As Of Info | |
Description |
Extent Group 1 / Time Frame 3
* » Time Frame Type | Discrete |
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* » Start | 2018-05-24 |
End | |
Alternate Start As Of Info | |
Alternate End As Of Info | |
Description |
Spatial Information
Spatial Resolution
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Equivalent Scale Denominator | |
Level of Detail Description |
Spatial Representation
Grid Representation Used? | No |
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Vector Representation Used? | |
Text / Table Representation Used? | |
TIN Representation Used? | |
Stereo Model Representation Used? | |
Video Representation Used? |
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Access Information
Data License | |
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Data License URL | |
Data License Statement | |
* » Security Class | Unclassified |
* Security Classification System | |
Security Handling Description | |
• Data Access Policy | |
» Data Access Procedure | |
• » Data Access Constraints |
None |
• Data Use Constraints |
Acknowledgement of the New York Governor's Office of Storm Recovery and Dewberry Inc. would be appreciated in products derived from this data. |
Metadata Access Constraints | |
Metadata Use Constraints |
Distribution Information
Start Date | |
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» Download URL | https://coast.noaa.gov/dataviewer |
Distributor | |
File Name | |
Description |
Unknown |
File Date/Time | |
File Type (Deprecated) | GeoTIFF |
Distribution Format | GeoTIFF |
File Size | |
Application Version | |
Compression | |
Review Status |
Start Date | |
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» Download URL | https://coast.noaa.gov/dataviewer/#/imagery/search/where:ID=8631 |
Distributor | |
File Name | Customized Download |
Description |
Create custom data files by choosing area, map projection, file format, etc. |
File Date/Time | |
File Type (Deprecated) | |
Distribution Format | |
File Size | |
Application Version | |
Compression | |
Review Status |
Start Date | |
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» Download URL | https://coastalimagery.blob.core.windows.net/digitalcoast/LongIslandNY_2018_8631/index.html |
Distributor | |
File Name | Bulk Download |
Description |
Simple download of data files. |
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Description | |
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URLs
URL | https://coast.noaa.gov/dataviewer |
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Name | |
URL Type | Online Resource |
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Activity Log
Activity Time | 2017-01-20 |
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Activity Type | |
Responsible Party | |
Description |
Date that the source FGDC record was last modified. |
Activity Time | 2017-11-14 |
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Activity Type | |
Responsible Party | |
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 Time | 2018-02-08 |
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Activity Type | |
Responsible Party | |
Description |
Partial upload of Positional Accuracy fields only. |
Activity Time | 2018-03-13 |
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Responsible Party | |
Description |
Partial upload to move data access links to Distribution Info. |
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Issues
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Technical Environment
Description |
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Data Quality
Representativeness | |
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Accuracy | |
Analytical Accuracy | |
Horizontal Positional Accuracy |
Dewberry completed a horizontal ground control point survey in the field using survey grade equipment. 20 checkpoints were used to test the horizontal positional accuracy of the orthophotography. The horizontal positional accuracy specification at the 95% confidence level is 0.734 m. The tested horizontal positional accuracy at the 95% confidence level for the orthophotography passed at 0.241 m. |
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Field Precision | |
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Detection Limit | |
Completeness Report |
The imagery data is visually inspected for completeness to ensure that are no void areas or missing data. |
Conceptual Consistency | |
» Quality Control Procedures Employed |
Data Management
» Have Resources for Management of these Data Been Identified? | |
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» Approximate Percentage of Budget for these Data Devoted to Data Management | |
» Do these Data Comply with the Data Access Directive? | |
» Is Access to the Data Limited Based on an Approved Waiver? | |
» If Distributor (Data Hosting Service) is Needed, Please Indicate | |
» Approximate Delay Between Data Collection and Dissemination | |
» If Delay is Longer than Latency of Automated Processing, Indicate Under What Authority Data Access is Delayed |
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» Actual or Planned Long-Term Data Archive Location | |
» If World Data Center or Other, Specify | |
» If To Be Determined, Unable to Archive, or No Archiving Intended, Explain |
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» Approximate Delay Between Data Collection and Archiving | |
» How Will the Data Be Protected from Accidental or Malicious Modification or Deletion Prior to Receipt by the Archive? |
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Lineage
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Sources
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Process Steps
Process Step Number | 1 |
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» Description |
Upon receiving the Go-No Go approval from project team to collect imagery, Richard Crouse and Associates collected aerial multi-spectral imagery over the South Shore Estuary Reserve study area at 8, 084 feet above ground level, resulting in a 15cm pixel. The image frames were collected with 60% overlap and 30% sidelap to produce stereo imagery for photogrammetric processing and to help minimize glint issues caused by camera angle. A total of 1208 frames were collected along 18 flight lines generally oriented WSW to ENE. |
Process Date/Time | 2018-05-01 00:00:00 |
Process Contact | |
Phone (Voice) | |
Email Address | |
Source |
Process Step Number | 2 |
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» Description |
Dewberry used previously surveyed Ground Control Points (GCPs) for the mapping effort. 20 checkpoints were used to test the horizontal positional accuracy of the orthophotography. The horizontal positional accuracy specification at the 95% confidence level is 0.734 m. The tested horizontal positional accuracy at the 95% confidence level for the orthophotography passed at 0.241 m. The points are well-defined features, such as sharp corners, path crossings, fence posts, parking lot striping and intersections of driveways with roads. A total of 20 control points were utilized throughout the project area and documented on Photo Control Point Sheets. Each sheet has a written description of the point location, point number, and the coordinates in UTM 18 (northing and easting). |
Process Date/Time | 2018-07-23 00:00:00 |
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Process Step Number | 3 |
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» Description |
An aerotriangulation solution was computed by Leading Edge Geomatics using Inpho software issued by Trimble, Inc., utilizing camera calibration reports, digital imagery, and surveyed ground control points. The adjusted control points, camera orientation parameters and pre-existing USGS Digital Elevation Models (DEMs) were then used for digital orthophotography generation in Inpho. The individual georectified orthophotos were then used to create area wide mosaic images in NRGB color band combinations, which were reviewed for quality by Dewberry. A final step was to clip the area-wide mosaic into individual tiles corresponding to U.S. Geological Survey 7.5 minute quarter quad boundaries and name each tile using it's quad name. A slight overlap for each tile ensured comprehensive coverage. |
Process Date/Time | 2018-07-23 00:00:00 |
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Acquisition Information
Instruments
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FAQs
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Child Items
Rubric scores updated every 15m
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Related Items
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Catalog Details
Catalog Item ID | 54912 |
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Metadata Record Created By | Erik Hund |
Metadata Record Created | 2018-11-19 13:23+0000 |
Metadata Record Last Modified By | Brianna Key |
» Metadata Record Last Modified | 2024-02-05 17:15+0000 |
Metadata Record Published | 2024-02-05 |
Owner Org | OCM |
Metadata Publication Status | Published Externally |
Do Not Publish? | N |
Metadata Workflow State | Published / External |
Metadata Last Review Date | 2018-11-19 |
Metadata Review Frequency | 1 Year |
Metadata Next Review Date | 2019-11-19 |
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