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Short Citation:
Office for Coastal Management, 2022: Light Attenuation KdPAR, https://www.fisheries.noaa.gov/inport/item/66148.

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
UNCONTROLLED
ISO 19115 Topic Category environment
ISO 19115 Topic Category farming
ISO 19115 Topic Category oceans
ISO 19115 Topic Category planningCadastre
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

CC ID: 1115601
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

CC ID: 1115611
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

CC ID: 1115602
Download URL: https://marinecadastre.gov/downloads/data/mc/LightAttenuationKdPAR.zip
Distributor:

Distribution 2

CC ID: 1121216
Download URL: https://marinecadastre.gov/oceanreports/
Distributor:
Description:

Ocean Reports

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)

CC ID: 1115608
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

CC ID: 1115609
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: SysAdmin InPortAdmin
Metadata Record Last Modified: 2022-08-09 17:11+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