polarwatch.noaa.gov:erdMH1chla8day
Project: Ocean Biology Processing Group (NASA/GSFC/OBPG)
Name: NASA/GSFC/OBPG
Email: data@oceancolor.gsfc.nasa.gov
Institution: NASA/GSFC OBPG
InfoURL: https://coastwatch.pfeg.noaa.gov/infog/MH1_chla_las.html
Source URL: (local files)
NASA/GSFC OBPG
NASA/GSFC/OBPG
data@oceancolor.gsfc.nasa.gov
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Unknown
raster digital data
Santa Cruz, CA, USA
ERDDAP, version 2.29.0, at NOAA PolarWatch
NOAA PolarWatch
Roy Mendelssohn
ERDDAP administrator
Mailing and Physical Address
110 McAllister Way
Santa Cruz
CA
95062
USA
+1 831-420-3666
roy.mendelssohn@noaa.gov
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.graph
https://polarwatch.noaa.gov/erddap/wms/erdMH1chla8day/request
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Download data: Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
A web page for specifying a subset of the dataset and downloading data in any of several file formats.
download data
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.graph
Make a graph or map: Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
A web page for creating a graph or map of the data.
download graph or map
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day
OPeNDAP service: Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
The base URL for the OPeNDAP service. Add .html to get a web page with a form to download data. Add .dds to get the dataset's structure. Add .das to get the dataset's metadata. Add .dods to download data via the OPeNDAP protocol.
OPeNDAP
https://coastwatch.pfeg.noaa.gov/infog/MH1_chla_las.html
Background information: Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Background information for the dataset.
background information
https://polarwatch.noaa.gov/erddap/wms/erdMH1chla8day/request
WMS service: Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
The base URL for the WMS service for this dataset.
WMS
Ocean Biology Processing Group (NASA/GSFC/OBPG)
This dataset has Level 3, Standard Mapped Image, 4km, chlorophyll-a concentration data from NASA's Aqua Spacecraft. Measurements are gathered by the Moderate Resolution Imaging Spectroradiometer (MODIS) carried aboard the spacecraft. This is Science Quality data. This is the August 2015 version of this dataset.
Unknown
https://coastwatch.pfeg.noaa.gov/infog/MH1_chla_las.html
20030105
20220614
ground condition
As needed
-179.9792
179.9792
89.97916
-89.97917
GCMD Science Keywords
algorithm
biology
center
chemistry
chlor_a
chlorophyll
color
concentration
concentration_of_chlorophyll_in_sea_water
data
Earth Science > Oceans > Ocean Chemistry > Chlorophyll
Earth Science > Oceans > Ocean Optics > Ocean Color
flight
goddard
group
gsfc
image
imaging
L3
level
level-3
mapped
moderate
modis
nasa
obpg
ocean
ocean color
oceans
oci
optics
processing
resolution
sea
seawater
smi
space
spectroradiometer
standard
time
water
CF Standard Name Table v70
time
latitude
longitude
concentration_of_chlorophyll_in_sea_water
None.
https://science.nasa.gov/earth-science/earth-science-data/data-information-policy/
The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.
NASA/GSFC OBPG
NASA/GSFC/OBPG
Unknown
Mailing and Physical Address
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
data@oceancolor.gsfc.nasa.gov
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.graph
Web page to make a customized map or graph of the data
HTML
Unknown
Unknown
Unknown
Unknown
Files downloaded daily from https://oceandata.sci.gsfc.nasa.gov/MODIS-Aqua/L3SMI to NOAA SWFSC ERD (erd.data@noaa.gov)
Unknown
ERDDAP adds the time dimension.
Unknown
Direct read of HDF4 file through CDM library
Unknown
Raster
float
Grid Cell
4320
8640
1
0.04166667
0.04166667
Decimal degrees
D_WGS_1984
WGS_1984
6378137.000000
298.257224
NOAA PolarWatch
Roy Mendelssohn
ERDDAP administrator
Mailing and Physical Address
110 McAllister Way
Santa Cruz
CA
95062
USA
+1 831-420-3666
roy.mendelssohn@noaa.gov
ERDDAP, version 2.29.0: get metadata; download data; make graphs and maps.
https://science.nasa.gov/earth-science/earth-science-data/data-information-policy/
The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.
.asc
1
View OPeNDAP-style ISO-8859-1 comma-separated text. https://docs.opendap.org/index.php/UserGuideOPeNDAPMessages#ASCII_Service
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.croissant
1
Download the dataset croissant schema. https://docs.mlcommons.org/croissant/docs/croissant-spec.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.csv
1
Download a ISO-8859-1 comma-separated text table (line 1: names; line 2: units; ISO 8601 times). https://en.wikipedia.org/wiki/Comma-separated_values
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.csv0
1
Download a ISO-8859-1 .csv file without column names or units. Times are ISO 8601 strings. https://en.wikipedia.org/wiki/Comma-separated_values
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.csvp
1
Download a ISO-8859-1 .csv file with line 1: name (units). Times are ISO 8601 strings. https://en.wikipedia.org/wiki/Comma-separated_values
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.das
1
View the dataset's metadata via an ISO-8859-1 OPeNDAP Dataset Attribute Structure (DAS). https://docs.opendap.org/index.php/UserGuideOPeNDAPMessages#Dataset_Attribute_Structure
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.dds
1
View the dataset's structure via an ISO-8859-1 OPeNDAP Dataset Descriptor Structure (DDS). https://docs.opendap.org/index.php/UserGuideOPeNDAPMessages#Dataset_Descriptor_Structure
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.dods
1
OPeNDAP clients use this to download the data in the DODS binary format. https://docs.opendap.org/index.php/UserGuideOPeNDAPMessages#Data_Transmission
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.esriAscii
1
Download an ISO-8859-1 ESRI ASCII file (latitude longitude data only; longitude must be all below or all above 180). https://en.wikipedia.org/wiki/Esri_grid
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.fgdc
1
View the dataset's UTF-8 FGDC .xml metadata. https://www.fgdc.gov/standards/projects/FGDC-standards-projects/metadata/base-metadata/index_html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.htmlTable
1
View a UTF-8 .html web page with the data in a table. Times are ISO 8601 strings. https://www.w3schools.com/html/html_tables.asp
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.iso19115
1
View the dataset's ISO 19115/19139 UTF-8 .xml metadata using the version default for this server. https://en.wikipedia.org/wiki/Geospatial_metadata
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.iso19115_2
1
View the dataset's ISO 19115-2/19139 UTF-8 .xml metadata. https://en.wikipedia.org/wiki/Geospatial_metadata
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.iso19115_3_2016
1
View the dataset's ISO 19115-3:2016 UTF-8 .xml metadata. https://en.wikipedia.org/wiki/Geospatial_metadata
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.iso19139_2007
1
View the dataset's ISO 19139:2007 UTF-8 .xml metadata. https://en.wikipedia.org/wiki/Geospatial_metadata
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.itx
1
Download an ISO-8859-1 Igor Text File. Each axis variable and each data variable becomes a wave. https://www.wavemetrics.net/doc/igorman/II-09%20Data%20Import%20Export.pdf
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.json
1
View a table-like UTF-8 JSON file (missing value = 'null'; times are ISO 8601 strings). https://www.json.org/
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.jsonlCSV
1
View a UTF-8 JSON Lines CSV file without column names (mv = 'null'; times are ISO 8601 strings). https://jsonlines.org/
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.jsonlCSV1
1
View a UTF-8 JSON Lines CSV file with column names on line 1 (mv = 'null'; times are ISO 8601 strings). https://jsonlines.org/
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.jsonlKVP
1
View a UTF-8 JSON Lines file with Key:Value pairs (missing value = 'null'; times are ISO 8601 strings). https://jsonlines.org/
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.mat
1
Download a MATLAB binary file. https://www.mathworks.com/
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.nc
1
Download a NetCDF-3 binary file with COARDS/CF/ACDD metadata. https://www.unidata.ucar.edu/software/netcdf/
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.ncHeader
1
View the UTF-8 header (the metadata) for the NetCDF-3 .nc file. https://linux.die.net/man/1/ncdump
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.nccsv
1
Download a NetCDF-3-like 7-bit ASCII NCCSV .csv file with COARDS/CF/ACDD metadata. https://erddap.github.io/docs/user/nccsv-1.20
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.nccsvMetadata
1
View the dataset's metadata as the top half of a 7-bit ASCII NCCSV .csv file. https://erddap.github.io/docs/user/nccsv-1.20
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.ncml
1
View the dataset's structure and metadata as a UTF-8 NCML .xml file. https://docs.unidata.ucar.edu/netcdf-java/current/userguide/ncml_overview.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.ncoJson
1
Download a UTF-8 NCO lvl=2 JSON file with COARDS/CF/ACDD metadata. https://nco.sourceforge.net/nco.html#json
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.odvTxt
1
Download time,latitude,longitude,otherVariables as an ODV Generic Spreadsheet File (.txt). https://odv.awi.de/en/documentation/
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.parquet
1
Download as a parquet file. Metadata contains column names ("column_names") and units ("column_units"). https://parquet.apache.org/
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.parquetWMeta
1
Download as a parquet file with detailed metadata. https://parquet.apache.org/
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.timeGaps
1
View a UTF-8 list of gaps in the time values which are larger than the median gap. https://coastwatch.pfeg.noaa.gov/erddap/griddap/documentation.html#timeGaps
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.tsv
1
Download a ISO-8859-1 tab-separated text table (line 1: names; line 2: units; ISO 8601 times). https://jkorpela.fi/TSV.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.tsv0
1
Download a ISO-8859-1 .tsv file without column names or units. Times are ISO 8601 strings. https://jkorpela.fi/TSV.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.tsvp
1
Download a ISO-8859-1 .tsv file with line 1: name (units). Times are ISO 8601 strings. https://jkorpela.fi/TSV.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.wav
1
Download a .wav audio file. All columns must be numeric and of the same type. https://en.wikipedia.org/wiki/WAV
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.xhtml
1
View a UTF-8 XHTML (XML) file with the data in a table. Times are ISO 8601 strings. https://www.w3schools.com/html/html_tables.asp
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
download
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.html
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for accessing metadata and downloading data.
information
.geotif
1
View a grayscale GeoTIFF .tif file (for latitude longitude data; longitude must be all below or all above 180). https://trac.osgeo.org/geotiff/
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.graph
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.graph
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for making a graph or map.
graphing
.kml
1
View a Google Earth .kml file (for latitude, longitude data only). https://developers.google.com/kml/
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.graph
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.graph
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for making a graph or map.
graphing
.largePdf
1
View a large .pdf image file with a graph or map. https://www.adobe.com/acrobat/about-adobe-pdf.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.graph
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.graph
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for making a graph or map.
graphing
.largePng
1
View a large .png image file with a graph or map. http://www.libpng.org/pub/png/
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.graph
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.graph
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for making a graph or map.
graphing
.pdf
1
View a standard, medium-sized .pdf image file with a graph or map. https://www.adobe.com/acrobat/about-adobe-pdf.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.graph
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.graph
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for making a graph or map.
graphing
.png
1
View a standard, medium-sized .png image file with a graph or map. http://www.libpng.org/pub/png/
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.graph
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.graph
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for making a graph or map.
graphing
.smallPdf
1
View a small .pdf image file with a graph or map. https://www.adobe.com/acrobat/about-adobe-pdf.html
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.graph
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.graph
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for making a graph or map.
graphing
.smallPng
1
View a small .png image file with a graph or map. http://www.libpng.org/pub/png/
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.graph
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.graph
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for making a graph or map.
graphing
.transparentPng
1
View a .png image file (just the data, without axes, landmask, or legend). http://www.libpng.org/pub/png/
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.graph
https://polarwatch.noaa.gov/erddap/griddap/erdMH1chla8day.graph
Chlorophyll-a, Aqua MODIS, NPP, L3SMI, Global, 4km, Science Quality, 2003-present (8 Day Composite)
Web page for making a graph or map.
graphing
None
20260312
NOAA PolarWatch
Roy Mendelssohn
ERDDAP administrator
Mailing and Physical Address
110 McAllister Way
Santa Cruz
CA
95062
USA
+1 831-420-3666
roy.mendelssohn@noaa.gov
Content Standard for Digital Geospatial Metadata: Extensions for Remote Sensing Metadata
FGDC-STD-012-2002
universal time
None.
https://science.nasa.gov/earth-science/earth-science-data/data-information-policy/
The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.