C-CAP Land Cover, Rhode Island, 2016
Office for Coastal Management
Data Set
(DS)
| ID: 58101
| Published / External
Created: 2019-10-28
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Last Modified: 2023-07-03
Project (PRJ) | ID: 47841
ID: 58101
Data Set (DS)
* Discovery• First Pass
» Metadata Rubric
Item Identification
* » Title | C-CAP Land Cover, Rhode Island, 2016 |
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Short Name | |
* Status | Completed |
Creation Date | |
Revision Date | |
• Publication Date | 2020-10-26 |
* » Abstract |
The NOAA Coastal Change Analysis Program (C-CAP) produces national standardized land cover and change products for the coastal regions of the U.S. C-CAP products inventory coastal intertidal areas, wetlands, and adjacent uplands with the goal of monitoring changes in these habitats. The timeframe for this metadata is summer 2016. These maps are developed utilizing high resolution National Agriculture Imagery Program (NAIP) imagery, and can be used to track changes in the landscape through time. This trend information gives important feedback to managers on the success or failure of management policies and programs and aid in developing a scientific understanding of the Earth system and its response to natural and human-induced changes. This understanding allows for the prediction of impacts due to these changes and the assessment of their cumulative effects, helping coastal resource managers make more informed regional decisions. NOAA C-CAP is a contributing member to the Multi-Resolution Land Characteristics consortium and C-CAP products are included as the coastal expression of land cover within the National Land Cover Database. |
* Purpose |
C-CAP is dedicated to the development, distribution, and application of land cover and change data for the coastal regions of the U.S. This effort is being conducted in close coordination with state coastal management agencies, the interagency Multi-Resolution Land Characteristics (MRLC) consortium, and the National Land Cover Database (NLCD). |
Notes | |
Other Citation Details | |
• Supplemental Information |
Attributes for this product are as follows: 0 Background, 1 Unclassified (Cloud, Shadow, etc), 2 Impervious, 3 4 5 Developed Open Space, 6 Cultivated Land, 7 Pasture/Hay, 8 Grassland, 9 Deciduous Forest, 10 Evergreen Forest, 11 Mixed Forest, 12 Scrub/Shrub, 13 Palustrine Forested Wetland, 14 Palustrine Scrub/Shrub Wetland, 15 Palustrine Emergent Wetland, 16 Estuarine Forested Wetland, 17 Estuarine Scrub/Shrub Wetland, 18 Estuarine Emergent Wetland, 19 Unconsolidated Shore, 20 Bare Land, 21 Open Water, 22 Palustrine Aquatic Bed, 23 Estuarine Aquatic Bed, 24 Tundra, 25 Snow/Ice, Recommended Citation. NOAA Coastal Change Analysis Program (C-CAP) Regional Land Cover Database. Data collected 1995-present. Charleston, SC: National Oceanic and Atmospheric Administration (NOAA) Office for Coastal Management. Data accessed at coast.noaa.gov/landcover. |
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 > LAND SURFACE > LAND USE/LAND COVER |
Global Change Master Directory (GCMD) Science Keywords | EARTH SCIENCE > LAND SURFACE > LAND USE/LAND COVER > LAND USE/LAND COVER CLASSIFICATION |
ISO 19115 Topic Category | imageryBaseMapsEarthCover |
None | Land Cover |
None | Land Cover Analysis |
None | Remotely Sensed Imagery/Photos |
Temporal Keywords
Thesaurus | Keyword |
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* Spatial Keywords
Thesaurus | Keyword |
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Global Change Master Directory (GCMD) Location Keywords | Ocean > North America > United States of America > Rhode Island |
None | Coastal Zone |
None | Rhode Island |
None | RI |
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 | |
Maintenance Note |
5 years |
» Data Presentation Form | Image (digital) |
• Entity Attribute Overview | |
Entity Attribute Detail Citation | |
Entity Attribute Detail URL | |
Distribution Liability |
Users must assume responsibility to determine the usability of these data. |
Data Set Credit |
Support Roles
* » Support Role | Collaborator |
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* » Date Effective From | 2020-10-26 |
Date Effective To | |
Organization | OCM Partners (OCMP) |
Email Address | |
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Mobile | |
URL | |
Business Hours | |
Contact Instructions |
Point of Contact: EarthDefine Address: 10675 Willows Rd, Suite 250, Redmond, WA 98052 Email Address: info@earthdefine.com Phone: 800.579.5916 URL: https://www.earthdefine.com/
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* » Support Role | Distributor |
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* » Date Effective From | 2020-10-26 |
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 | 2020-10-26 |
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 | 2020-10-26 |
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 |
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Extents
Currentness Reference | Acquisition date of the NAIP imagery |
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Extent Group 1
Extent Description |
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Extent Group 1 / Geographic Area 1
* » W° Bound | -72.1 |
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* » E° Bound | -70.944 |
* » N° Bound | 42.126 |
* » S° Bound | 41.016 |
* » Description |
Extent Group 1 / Vertical Extent
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Extent Group 1 / Time Frame 1
* » Time Frame Type | Range |
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* » Start | 2016-07-03 |
End | 2016-07-04 |
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Description |
Spatial Information
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Spatial Representation
Grid Representation Used? | No |
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Reference Systems
Reference System
EPSG Code | EPSG:6348 | ||||||||||||||||||||||||||||
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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 |
Data set is not for use in litigation. While efforts have been made to ensure that these data are accurate and reliable within the state of the art, NOAA, cannot assume liability for any damages, or misrepresentations, caused by any inaccuracies in the data, or as a result of the data to be used on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty. |
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Distribution Information
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» Download URL | |
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URLs
URL | https://coast.noaa.gov/dataviewer/#/landcover/search/where:ID=8916 |
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Name | Data Access Viewer |
URL Type | Online Resource |
File Resource Format | |
Description |
URL | https://coast.noaa.gov/htdata/raster1/landcover/bulkdownload/hires/ri |
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URL Type | Online Resource |
File Resource Format | |
Description |
URL | https://coast.noaa.gov/digitalcoast/data/ccaphighres |
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Name | |
URL Type | Online Resource |
File Resource Format | |
Description |
URL | https://coast.noaa.gov/htdata/raster1/landcover/bulkdownload/hires |
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Technical Environment
Description |
Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 3; ESRI ArcCatalog 9.2.2.1350 |
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Data Quality
Representativeness | |
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Accuracy |
A total of 502 accuracy assessment sample locations were identified in the 2016 land cover product. These locations were placed via a stratified random sample, based upon the final land cover map. Truth calls were based upon photo-interpretation of these locations compared to high resolution imagery from the same time period. Two separate analysts interpreted each point, with a third making a call where those analysts were not in agreement. A standard error matrix was created and the overall map accuracy was 82.5% based on the primary truth designation, 87.3% if fuzzy designations were included. Fuzzy designations are alternate calls for the truth category where the truth may not have been completely obvious, or where point locations are located so they could possibly be more than one category. Individual land cover class fuzzy accuracies are below, with Class Number Class Name (user's accuracy, producer's accuracy). 0 Background (N/A, N/A), 2 Impervious Developed (93.3, 80.8.9), 5 Developed Open Space (70.7, 78.4), 6 Cultivated Land (92.9, 86.7), 7 Pasture/Hay (90.9, 93.8), 8 Grassland (75.0, 96.0), 09 Deciduous Forest (71.2, 97.4), 10 Evergreen Forest (100, 80.0), 12 Scrub/Shrub (91.7, 66.7), 13 Palustrine Forested Wetland (96.7, 93.5), 14 Palustrine Scrub/Shrub Wetland (88.6, 93.9), 15 Palustrine Emergent Wetland (92.0, 76.7), 18 Estuarine Emergent Wetland (100, 93.3), 19 Unconsolidated Shore (66.7, 100), 20 Bare Land (90.7, 86.7), 21 Open Water (100, 93.5), 22 Palustrine Aquatic Bed (79.2, 100), 23 Estuarine Aquatic Bed (N/A, N/A) Data does not exist for all classes. There are no pixels representing class 1 (Unclassified), 11 (Mixed Forest), 16 (Estuarine Forested Wetland), 17 (Estuarine Scrub/Shrub Wetland), 24 (Tundra), 25 (Perennial Ice/Snow), 26 (Dwarf Scrub - Alaska specific class), 27 (Sedge/Herbaceous), and 28 (Moss - Alaska specific). Developed classes have been altered to exclude the percentage breakdown of impervious surfaces as the breakdown is not appropriate for high resolution mapping (Developed High Intensity (2), Developed Medium Intensity (3), and Developed Low Intensity (4) are reduced to Impervious (Class 2)). |
Analytical Accuracy | |
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Completeness Measure | |
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Field Precision | |
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Completeness Report |
Data does not exist for all classes. There are no pixels representing class 11 (Mixed Forest), 24 (Tundra), 25 (Perennial Ice/Snow), 26 (Dwarf Scrub - Alaska specific class), 27 (Sedge/Herbaceous), and 28 (Moss - Alaska specific). Developed classes have been altered to exclude the percentage breakdown of impervious surfaces as the breakdown is not appropriate for high resolution mapping (Developed High Intensity (2), Developed Medium Intensity (3), and Developed Low Intensity (4) are reduced to Impervious (Class 2)). |
Conceptual Consistency |
Tests for logical consistency indicate that all row and column positions in the selected latitude/longitude window contain data. Conversion and integration with vector files indicates that all positions are consistent with earth coordinates covering the same area. Attribute files are logically consistent. |
» Quality Control Procedures Employed |
Data Management
» Have Resources for Management of these Data Been Identified? | |
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» 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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Process Steps
Process Step Number | 1 |
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» Description |
This dataset was created by EarthDefine (https://www.earthdefine.com/) for NOAA's Ocean Service, Office for Coastal Management (OCM). Random Forest Classification: The first phase of the production effort involved the development of an initial 1m spatial resolution 6 class high resolution land cover product using a Geographic Object-Based Image Analysis (GEOBIA) processing framework. This involves taking each image to be classified and grouping the pixels based on spectral and spatial properties into regions of homogeneity called objects. The resulting objects are the primary units for analysis. Additionally, these objects introduce additional spectral, shape, textural and contextual information into the mapping process and are utilized as independent variables in a supervised classification. Each object is labeled using a Random Forest Classifier which is ensemble version of a Decision Tree. Training data for the initial 6 classes (Herbaceous, Bare, Impervious, Water, Forest and Shrub) were generated through photo interpretation. The resulting Random Forest model was applied to the input data sets to create the initial automated map. After completion of the initial 6 class land cover product, additional C-CAP classes were incorporated into it by EarthDefine. Below are brief descriptions of how these classes were derived. Agriculture: Cultivated land and Pasture/Hay features were incorporated into the grassland category of the initial 6 class land cover product through a modeling process which relied on multiple dates of imagery as well as the USDA Common Land Unit (CLU) boundaries. Wetlands: Wetlands were derived through a modeling process which used ancillary data such as Soils (SSURGO), the National Wetlands Inventory (NWI) and topographic derivatives. Forest, shrub and grassland objects within the initial land cover that exhibited hydric characteristics based on the input ancillary layers were designated to their appropriate wetland category. Additionally, a 2012 high resolution salt marsh habitat data set acquired from the Rhode Island Geographic Information System (RIGIS) was used to derive estuarine land cover classes. Open Space Developed: Managed grasses and other low lying vegetation associated with development were derived using land use and parcel data sets available from the RIGIS. Grassland features in the land cover data that intersected selected land use polygons were designated as Open Space Developed (OSD). Additional clean-up was performed to remove speckle and slivers Deciduous and Evergreen Forest: The availability of leaf-off imagery data set made it possible to subdivide the Upland Forest into Evergreen and Deciduous. Normalized difference vegetation indices (NDVI) were used in conjunction with the rest of the spectral data to separate these two forest categories in a raster-based environment. |
Process Date/Time | 2019-11-01 00:00:00 |
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Acquisition Information
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Child Items
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Catalog Details
Catalog Item ID | 58101 |
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Metadata Record Created By | Erik Hund |
Metadata Record Created | 2019-10-28 10:26+0000 |
Metadata Record Last Modified By | SysAdmin InPortAdmin |
» Metadata Record Last Modified | 2023-07-03 17:07+0000 |
Metadata Record Published | 2020-10-26 |
Owner Org | OCM |
Metadata Publication Status | Published Externally |
Do Not Publish? | N |
Metadata Workflow State | Published / External |
Metadata Last Review Date | 2020-10-26 |
Metadata Review Frequency | 1 Year |
Metadata Next Review Date | 2021-10-26 |
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