Light Attenuation KdPAR
Data Set (DS) | Office for Coastal Management (OCM)GUID: gov.noaa.nmfs.inport:66148 | Updated: August 15, 2024 | Published / External
Item Identification
| Title: | Light Attenuation KdPAR |
|---|---|
| Status: | Completed |
| Abstract: |
This dataset represents monthly and annual averages of percentage light reaching at 1 m depth relative to surface light (KdPAR). The units are in percentage (%) as surface light reaching at 1 m depth derived from raw dataset. Wave band is 400-700 nm or Photosynthetic Active Radiation (PAR). Raw data available monthly from Jan 1, 2010, to Dec 31, 2017, with a spatial resolution of 4 km x 4 km. The monthly and annual means are summarized for the time period 2010-2017. Data provided by NESDIS Center for Satellite Applications and Research (STAR). Raw dataset collected by NASA satellite SUOMI National Polar-orbiting Partnership (NPP) using Visible Infrared Imaging Radiometer (VIIRS). Citation: SeungHyun Son, Menghua Wang., 2015: Diffuse attenuation coefficient of the photosynthetically available radiation Kd(PAR) for global open ocean and coastal waters. Remote Sensing of Environment, Volume 159, 15 March 2015, Pages 250-258. |
| Purpose: |
To support ocean planning activities pursuant to the Executive Order Regarding the Ocean Policy to Advance the Economic, Security, and Environmental Interests of the United States, the Energy Policy Act, the National Environmental Policy Act, the Rivers and Harbors Act, and the Coastal Zone Management Act. |
Keywords
Theme Keywords
| Thesaurus | Keyword |
|---|---|
| Global Change Master Directory (GCMD) Science Keywords |
EARTH SCIENCE > HUMAN DIMENSIONS > ENVIRONMENTAL GOVERNANCE/MANAGEMENT
|
| ISO 19115 Topic Category |
environment
|
| ISO 19115 Topic Category |
farming
|
| ISO 19115 Topic Category |
oceans
|
| ISO 19115 Topic Category |
planningCadastre
|
| UNCONTROLLED | |
| None | alternative energy planning |
| None | biology |
| None | coastal energy planning |
| None | environment |
| None | environmental |
| None | environmental energy planning |
| None | farming |
| None | marine cadastre |
| None | marine spatial planning |
| None | national |
| None | ocean energy planning |
| None | oceans |
| None | offshore energy planning |
| None | planningCadastre |
| None | renewable energy planning |
| None | United States |
| None | water column features |
| None | water quality features |
Spatial Keywords
| Thesaurus | Keyword |
|---|---|
| Global Change Master Directory (GCMD) Location Keywords |
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA
|
| UNCONTROLLED | |
| None | Atlantic |
| None | Pacific |
Physical Location
| City: | Charleston |
|---|---|
| State/Province: | SC |
Data Set Information
| Data Set Scope Code: | Data Set |
|---|---|
| Maintenance Frequency: | As Needed |
| Data Presentation Form: | Map (digital) |
| Distribution Liability: |
https://www.marinecadastre.gov/about/disclaimer.html |
| Data Set Credit: | ORIGINATORS: Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA) National Environmental Satellite, Data, and Information Services (NESDIS), Center for Satellite Applications and Research (STAR); Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA) National Ocean Service (NOS), Office for Coastal Management (OCM); Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA) National Ocean Service (NOS), National Centers for Coastal Ocean Science (NCCOS); |
Support Roles
Point of Contact
| Date Effective From: | 2018-06 |
|---|---|
| Date Effective To: | |
| Contact (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 |
| URL: | https://coast.noaa.gov |
Extents
| Currentness Reference: | Publication Date |
|---|
Extent Group 1
Extent Group 1 / Geographic Area 1
| W° Bound: | -179.46878 | |
|---|---|---|
| E° Bound: | -59.60593 | |
| N° Bound: | 74.70777 | |
| S° Bound: | -0.310977 |
Access Information
| Security Class: | Unclassified |
|---|---|
| Data Use Constraints: |
For coastal and ocean planning |
Distribution Information
Distribution 1
| Download URL: | https://marinecadastre.gov/data/ |
|---|---|
| Distributor: | |
| Description: |
Marine Cadastre Data Registry |
Distribution 2
| Download URL: | https://marinecadastre.gov/downloads/data/mc/LightAttenuationKdPAR.zip |
|---|---|
| Distributor: |
Technical Environment
| Description: |
Version 6.2 (Build 9200) ; Esri ArcGIS 10.5.1.7333 |
|---|
Data Quality
| Accuracy: |
The attributes in this dataset are believed to be accurate. |
|---|---|
| Horizontal Positional Accuracy: |
Maximum scale of intended use is 1:80,000. |
| Completeness Report: |
Spatial and attribute properties are believed to be complete, although attribute information has been simplified. Geometric thresholds from original data are preserved. No tests have been completed for exhaustiveness. |
| Conceptual Consistency: |
These data are believed to be logically consistent. Geometry is topologically clean. |
Lineage
Sources
Monthly and Annual Summaries for Percentage Light Reaching at 1m Depth (KdPAR)
| Contact Name: | Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA) National Environmental Satellite, Data, and Information Services (NESDIS), Center for Satellite Applications and Research (STAR) |
|---|---|
| Extent Type: | Discrete |
| Extent Start Date/Time: | 2018-08-01 |
| Source Contribution: |
Monthly and Annual Summaries for Percentage Light Reaching at 1m Depth (KdPAR) |
Process Steps
Process Step 1
| Description: |
(1) To process the data, satellite water-leaving radiance (an atmospherically corrected quantity) is calculated, and then Kd490 calculated from water-leaving radiance. (2) KdPAR generated from Kd490 using a conversion equation for clear and turbid waters separately using weighting scheme. (3) Daily composites calculated from hourly datasets (750 m spatial resolution). (4) The daily composite averages re-binned into 4 km-grid daily composites. The 4 km daily composites binned into monthly composite averages. (5) KdPAR values used to calculate light the bottom seafloor using solar irradiance. (6) Radiance at 1m depth calculated. (7) Ratio of radiance at 1 m and solar radiance (corrected) provide percentage light reaching at 1 m depth. (8) Data filtered using low pass filter to filter out outliers. (9) Data clipped to remove 'no data' regions or data artifacts. Data also clipped to U.S. EEZ boundary. (10) Data projected to WGS 1984 World Mercator (WKID: 3395). |
|---|---|
| Process Date/Time: | 2018-08-01 00:00:00 |
Catalog Details
| Catalog Item ID: | 66148 |
|---|---|
| GUID: | gov.noaa.nmfs.inport:66148 |
| Metadata Record Created By: | Brianna Key |
| Metadata Record Created: | 2021-12-22 03:54+0000 |
| Metadata Record Last Modified By: | Daniel Martin |
| Metadata Record Last Modified: | 2024-08-15 14:01+0000 |
| Metadata Record Published: | 2021-12-22 |
| Owner Org: | OCM |
| Metadata Publication Status: | Published Externally |
| Do Not Publish?: | N |
| Metadata Last Review Date: | 2021-12-22 |
| Metadata Review Frequency: | 1 Year |
| Metadata Next Review Date: | 2022-12-22 |