Sea-Viewing Wide Field-of-View Sensor Level 2 Data
Entry ID: gov.noaa.class.SW_L2

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Abstract: ABSTRACT: NOAA CoastWatch produces near real-time ocean color products, e.g. chlorophyll-a concentration and turbidity (reflectance), with data from NASA's GeoEye's Orbview-2 satellite (via contractual purchase). The data is collected by selected HRPT ground stations. Each level 2 satellite specific product has unique characteristics dependent on the sensor and the algorithm applied. While level 2 ... View entire text

Purpose: PURPOSE: The purpose of SeaWiFS data is to examine oceanic factors that affect global change and to assess the oceans' role in the global carbon cycle, as well as other biogeochemical cycles, through a comprehensive research program. SeaWiFS data are being used to help clarify the magnitude and variability of chlorophyll and primary production by marine phytoplankton and to determine the distribution and timing of spring blooms, i.e., the time of highly abundant growth.
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Description: Download options for Ocean Color Products.
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Geographic Coverage
Spatial coordinates   
  N: 65.0   S: 8.0   E: -60.0   W: -160.0

Data Set Citation
Dataset Originator/Creator: DOC/NOAA/NESDIS/CWP > CoastWatch Program, NESDIS, NOAA, U.S. Department of Commerce
Dataset Title: Sea-Viewing Wide Field-of-View Sensor Level 2 Data
Dataset Release Date: 1997-09-04
Online Resource:
Temporal Coverage
Start Date: 1997-09-04
Quality ATTRIBUTE ACCURACY REPORT: Ocean Color values are accurate to within 10 percent. NOAA CoastWatch performs validation of the data through buoy match-ups or other in situ measurements for adjusting processing algorithms as necessary. Chlorophyll values (.001 - 64.767 micrograms per liter) in GeoTIFFs are scaled to 1 to 100. The current turbidity product is the remote sensing reflectance for band 5 ... View entire text
Access Constraints ACCESS CONSTRAINTS: If you need access to the data (i.e., HDF files) or near real-time SeaWiFS imagery (i.e., coastal management, resource monitoring) then you must become a registered user, due to licensing contracts with OrbImage. Users may find instructions on how to become registered users with SeaWIFS at

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Use Constraints Publications of research results utilizing these data must acknowledge the SeaWiFS Project and the Ocean Biology Processing Group (OBPG) at the NASA Goddard Space Flight Center, Greenbelt, MD, USA.
Data Set Progress
Data Center
Comprehensive Large Array-data Stewardship System, NOAA, U.S. Department of Commerce Supplemental Info
Data Center URL:
Dataset ID: ______SW_L2 ____

Data Center Personnel
Email: info at
Contact Address:
151 Patton Avenue
City: Asheville
Province or State: NC
Postal Code: 28801-5001
Country: USA
Distribution Format: HDF HDF4.1r4
Fees: Please See Summary
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Phone: (301) 763-8209 x 347
Email: Heng.Gu at
Contact Address:
5200 Auth Rd Rm 601
City: Camp Springs
Province or State: MD
Postal Code: 20746
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Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2008-10-17
Last DIF Revision Date: 2011-11-02
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