Chlorophyll-a Standard Deviation of Long-Term Mean, 1998-2018 - American Samoa

Description

Chlorophyll-a, is a widely used proxy for phytoplankton biomass and an indicator for changes in phytoplankton production. As an essential source of energy in the marine environment, the extent and availability of phytoplankton biomass can be highly influential for fisheries production and dictate trophic structure in marine ecosystems. Changes in phytoplankton biomass are predominantly effected by changes in nutrient availability, through either natural (e.g., turbulent ocean mixing) or anthropogenic (e.g., agricultural runoff) processes. This layer represents the standard deviation of the 8-day time series of chlorophyll-a (mg/m3) from 1998-2018. Data products generated by the Ocean Colour component of the European Space Agency (ESA) Climate Change Initiative (CCI) project. These files are 8-day 4-km composites of merged sensor products: Global Area Coverage (GAC), Local Area Coverage (LAC), MEdium Resolution Imaging Spectrometer (MERIS), Moderate Resolution Imaging Spectroradiometer (MODIS) Aqua, Ocean and Land Colour Instrument (OLCI), Sea-viewing Wide Field-of-view Sensor (SeaWiFS), and Visible Infrared Imaging Radiometer Suite (VIIRS). The standard deviation was calculated over all 8-day chlorophyll-a data from 1998-2018 for each pixel. A quality control mask was applied to remove spurious data associated with shallow water, following Gove et al., 2013. Nearshore map pixels with no data were filled with values from the nearest neighboring valid offshore pixel by using a grid of points and the Near Analysis tool in ArcGIS then converting points to raster. Data source: https://oceanwatch.pifsc.noaa.gov/erddap/griddap/esa-cci-chla-8d-v5-0.graph

Resources

Name Format Description Link
0 This URL provides access to this dataset via GeoServer, including multiple output formats and an OpenLayers viewer. https://geo.pacioos.hawaii.edu/geoserver/
0 This URL provides a viewer and/or data access for this dataset. http://pacioos.org/projects/coral-drivers-amsam/
0 https://www.fisheries.noaa.gov/about/pacific-islands-fisheries-science-center
0 https://coralreef.noaa.gov
0 https://climate.esa.int
27 http://pacioos.org
0 https://www.fisheries.noaa.gov/about/pacific-islands-fisheries-science-center
0 https://www.fisheries.noaa.gov/about/pacific-islands-fisheries-science-center
27 http://pacioos.org
0 https://www.fisheries.noaa.gov/about/pacific-islands-fisheries-science-center
27 http://pacioos.org
0 This URL provides a viewer and/or data access for this dataset. http://pacioos.org/projects/coral-drivers-amsam/
0 https://coralreef.noaa.gov
0 https://climate.esa.int
27 http://pacioos.org
0 https://www.fisheries.noaa.gov/about/pacific-islands-fisheries-science-center
0 https://www.fisheries.noaa.gov/about/pacific-islands-fisheries-science-center
0 https://www.fisheries.noaa.gov/about/pacific-islands-fisheries-science-center
27 http://pacioos.org
0 https://www.fisheries.noaa.gov/about/pacific-islands-fisheries-science-center
27 http://pacioos.org
0 This URL provides access to this dataset via GeoServer, including multiple output formats and an OpenLayers viewer. http://geo.pacioos.hawaii.edu/geoserver/
52 Open Geospatial Consortium Web Map Service (WMS). Supported WMS versions include 1.1.1 and 1.3.0. Supported map formats include AtomPub, GeoRSS, GeoTIFF, GIF, JPEG, KML/KMZ, PDF, PNG, SVG, and TIFF. Supported info formats include GeoJSON, GeoJSON-P, GML, HTML, and plain text. http://geo.pacioos.hawaii.edu/geoserver/PACIOOS/as_noaa_all_chlor_std/ows?service=WMS&version=1.3.0&request=GetCapabilities
27 http://pacioos.org
0 This URL provides a viewer for this dataset. http://geo.pacioos.hawaii.edu/geoexplorer/
0 https://www.fisheries.noaa.gov/about/pacific-islands-fisheries-science-center
50 Open Geospatial Consortium Web Coverage Service (WCS). Supported WCS versions include 1.0.0, 1.1.0, and 1.1.1. Supported output formats include GeoTIFF, GIF, JPEG, PNG, or TIFF. http://geo.pacioos.hawaii.edu/geoserver/PACIOOS/as_noaa_all_chlor_std/ows?service=WCS&version=1.0.0&request=GetCapabilities
52 Open Geospatial Consortium Web Map Service - Cached (WMS-C). Use of WMS-C is similar to traditional WMS but with the addition of the "tiled=true" parameter, which triggers GeoServer to pull map tiles from GeoWebCache if they have been previously generated. This can dramatically improve performance, especially for larger datasets. Supported map formats include JPEG and PNG. Supported info formats include GeoJSON, GML, HTML, and plain text. http://geo.pacioos.hawaii.edu/geoserver/PACIOOS/gwc/service/wms?service=WMS&version=1.1.1&request=GetCapabilities&tiled=true
50 Open Geospatial Consortium Web Coverage Service (WCS). Supported WCS versions include 1.0.0, 1.1.0, and 1.1.1. Supported output formats include GeoTIFF, GIF, JPEG, PNG, or TIFF. https://geo.pacioos.hawaii.edu/geoserver/PACIOOS/as_noaa_all_chlor_std/ows?service=WCS&version=1.0.0&request=GetCapabilities
52 Open Geospatial Consortium Web Map Service (WMS). Supported WMS versions include 1.1.1 and 1.3.0. Supported map formats include AtomPub, GeoRSS, GeoTIFF, GIF, JPEG, KML/KMZ, PDF, PNG, SVG, and TIFF. Supported info formats include GeoJSON, GeoJSON-P, GML, HTML, and plain text. https://geo.pacioos.hawaii.edu/geoserver/PACIOOS/as_noaa_all_chlor_std/ows?service=WMS&version=1.3.0&request=GetCapabilities

Tags

  • human dimensions
  • swains
  • manua
  • coral reef
  • ocean chemistry
  • ecosystems
  • human settlements
  • biosphere
  • oceans
  • pacioos
  • american samoa
  • tutuila
  • coastal areas
  • chlorophyll
  • pacific islands ocean observing system
  • marine ecosystems
  • rose atoll
  • olosega
  • earth science
  • aquatic ecosystems
  • ocean optics
  • ofu
  • ocean
  • ocean color
  • polynesia
  • reef habitat
  • coastal processes
  • reef
  • coral reefs
  • pacific ocean
  • tau
  • south pacific ocean

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