Chlorophyll-a, Aqua MODIS, NPP, 0.0125°, West US, EXPERIMENTAL, 2002-present (8 Day Composite)


NOAA CoastWatch distributes chlorophyll-a concentration data from NASA's Aqua Spacecraft. Measurements are gathered by the Moderate Resolution Imaging Spectroradiometer (MODIS) carried aboard the spacecraft. The algorithm currently used in processing the water leaving radiance to chlorophyll concentration has not yet been accepted as science quality. In addition, assumptions are made in the atmospheric correction in order to provide the data in a timely manner.

Data and Resources

Metadata Date

Metadata Tags

Online Access

OPeNDAP (DAP Client Access)

These data are available for access with an OPeNDAP client

OGC:WCS (OGC Web Coverage Service)

These data are available for access with an OGC WCS compatible client

OGC:WMS (OGC Web Map Service)

These data are available for access with an OGC WMS compatible client

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Distribution Formats
  • OPeNDAP
Point of Contact NOAA NMFS SWFSC ERD
NOAA NMFS SWFSC ERD
erd.data@noaa.gov
Online Resource
Originator NOAA NMFS SWFSC ERD
NOAA NMFS SWFSC ERD
erd.data@noaa.gov
Online Resource
Source of level 2 data. NASA GSFC (OBPG)
Dataset Point of Contact NOAA NMFS SWFSC ERD
erd.data@noaa.gov
General Documentation
Associated Documentation CoastWatch (https://coastwatch.noaa.gov/)
Date(s) creation: 2019-01-17
issued: 2019-01-17
creation: 2019-01-17
issued: 2019-01-17
creation: 2019-01-17
issued: 2019-01-17
creation: 2019-01-17
issued: 2019-01-17
creation: 2019-01-17
issued: 2019-01-17
Use Limitations
Time Period 2002-07-05T00:00:00Z to 2019-01-10T00:00:00Z
Spatial Bounding Box Coordinates N: 51.0° S: 22.0° E: 255.0° W: 215.0°
Theme keywords GCMD Science Keywords
  • altitude
  • aqua
  • chemistry
  • chla
  • chlorophyll
  • chlorophyll-a
  • coast
  • coastwatch
  • color
  • concentration
  • concentration_of_chlorophyll_in_sea_water
  • data
  • degrees
  • Earth Science > Oceans > Ocean Chemistry > Chlorophyll
  • experimental
  • imaging
  • moderate
  • modis
  • MWchla
  • national
  • noaa
  • node
  • npp
  • ocean
  • ocean color
  • oceans
  • orbiting
  • partnership
  • polar
  • polar-orbiting
  • resolution
  • sea
  • seawater
  • spectroradiometer
  • time
  • US
  • water
  • wcn
  • west

CF Standard Name Table v55
  • mass_concentration_of_chlorophyll_a_in_sea_water
  • altitude
  • latitude
  • longitude
  • time

Data Center keywords Uncategorized
  • NOAA NMFS SWFSC ERD

Project keywords Uncategorized
  • CoastWatch (https://coastwatch.noaa.gov/)

Lineage Statement Thu Jan 17 23:30:44 2019: /opt/conda/bin/ncks -4 -L3 -O --output=/tmp/packrat_tmp_60e8ec6fa6ca47ee9ad2b45d59781d82 /tmp/packrat_tmp_60e8ec6fa6ca47ee9ad2b45d59781d82 2019-01-17T23:30:11Z (local files) 2019-01-17T23:30:11Z http://coastwatch.pfeg.noaa.gov/erddap/griddap/erdMWchla8day.nc?chlorophyll[(2019-01-09T00:00:00Z):1:(2019-01-09T23:00:00Z)][(0.0):1:(0.0)][(22.0):1:(51.0)][(215.0):1:(255.0)]