NOAA CoastWatch East Coast Node
Data Types Info Data Types: SST         - AVHRR                 - GOES                 - Geo-Polar Blended                 - PODAAC MUR Chl-a       - MODIS Clarity     - K490 (MODIS)                 - K490 (OLCI)                 - Rrs667 (MODIS)                 - Rrs672 (VIIRS)                 - TSM True Color (VIIRS)
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Region Info Regions: U.S. East Coast North East Coast Gulf of Maine Massachusetts & RI Bays Mid-Atlantic Coast NY-NJ Bight & Long Island Sound Chesapeake & Delaware Bays South East Coast Carolina Coast Florida - Georgia Coast

 

Carolina Coast Satellite Data

 

Data Descriptions and Download Links
Temperature Chlorophyll Sediment Light Attenuation True Color

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    Chlorophyll Daily Image
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        Water Temperature

          AVHRR
          Surface water temperature from NOAA's Advanced Very High Resolution Radiometer (AVHRR). Overpasses from all operating AVHRR instruments are averaged into a single daily, 3-day, or 7-day composite (composite includes day and night overpasses). Spatial resolution is nominally 1 km.

          GOES
          Surface water temperature from NOAA's Geostationary Operational Environmental Satellite (GOES) Imager instrument. Three-hourly GOES snapshots are averaged into daily and 3-day composites (composite includes day and night snapshots). Spatial resolution is nominally 4 km.


        Chlorophyll-a
          MODIS
          Chlorophyll-a from the Moderate Resolution Imaging Spectroradiometer (MODIS) onboard the NASA Aqua satellite, processed using the NOAA OC3 algorithm with the combined NIR-SWIR atmospheric correction (NOAA OC3 NIR-SWIR). More information


        Sediment Index (Remote Sensing Reflectance at red wavelengths)

          The remote sensing reflectance (Rrs) in the red wavelengths can be used as a surrogate for sediment concentration in the surface water. As the sediment load in the surface water increases, the reflectance in the red wavelengths will increase. Since the Rrs values are reflectance measurements and not sediment concentration measurements, only relative amounts of sediment in the water may be inferred. Higher Rrs values indicate relatively more suspended sediment compared to lower Rrs values. Patterns of suspended sediment distribution, both spatial and temporal, and sediment gradients may be detected and monitored.

          MODIS (Rrs at 667 nm)

          VIIRS (Rrs at 672 nm)


        Diffuse Attenuation Coefficient at 490 nm

          Diffuse Attenuation Coefficient at 490 nm (Kd-490) from MODIS measures how strongly light intensity at the specified wavelength (490 nm) is attenuated within the water column. The "KD2" standard algorithm from NASA's Ocean Biology Processing Group is used, and processed operationally by NOAA CoastWatch. More information and data processing caveats.


        True Color

          True Color satellite image data from the Visible Infrared Imaging Radiometer Suite (VIIRS) at 750 m spatial resolution. Data files contain red, green and blue radiance data; images are also available. More information



         
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