ADEOS-II/GLI L2 Ocean color

  • DOI: 10.57746/EO.01gs73aspn6atahzjqtyq4tyr4
  • Last Updated: 2023-02-14
Data Progress: Complete
G-Portal

Product Summary

ADEOS-II/GLI L2 Ocean color is obtained from the GLI (Global-Imager) sensor onboard ADEOS-II and produced by the Japan Aerospace Exploration Agency (JAXA). Global environment change has become a worldwide concern in recent years. In order to clarify these environmental changes, the Advanced Earth Observing Satellite (ADEOS-II, renamed "Midori II" after launch) has been developed for the purpose of monitoring the Earth environment using remote sensing technology from space. Midori II carries mission instruments that are particularly dedicated to clarify the water energy cycle and the carbon cycle, and is expected to be utilized for international climate change research programs.
GLI an optical sensor that observes the reflected solar radiation from the Earth's surface, including land, oceans and clouds and/or infrared radiation with a multi-channel system for measuring the biological content. The SGLI has a swath of 1600 km.
This product includes Chlorophyll_a concentration, Attenuation at 490 nm, Suspended solid concentration, CDOM absorption at 440nm.
They are derived from GLI_ADEOS-II_L2_NW data by using empirical relationships based on in-water NWLR and measurements of the products of interest. Each physical unit is mg/m^3, 1/m g/m^3 and 1/m.
The provided format is HDF. Map projection is not done. Generation unit is path. The spatial resolution is approximately 4 km. The current version of the product is "Version 2".

Platform
ADEOS-II
Sensor
GLI

Coverage

Temporal Coverage

2003-01-24 to 2003-10-25

Spatial Coverage

Bounding Rectangle
(90.0°, -180.0°, -90.0°, 180.0°)

Resolution

4 km

Location

  • GEOGRAPHIC REGION > GLOBAL
Dataset Short Name
ADEOS-II_GLI_L2_CS_LR
Platform / Sensor
ADEOS-II / GLI
Coverage
Spatial Coverage
Bounding Rectangle
(90.0°, -180.0°, -90.0°, 180.0°)
Temporal Coverage
2003-01-24 to 2003-10-25
Product Level ID
L2
Version Description

Version 1, 2003-12-24, Notavailable
Version 2, 2004-11-01, Available

File Format
HDF4
Dataset Type
None / Path
Resolution
Spatial Resolution
4 km
Temporal Resolution
None
Dataset Progress
Complete
Projection
None
Collection Data Type
SCIENCE_QUALITY
Get Data
https://gportal.jaxa.jp/gpr/?lang=en
Dataset Title
ADEOS-II/GLI L2 Ocean color
Distribution Format
HDF4
Fees
Free
Citation
Japan Aerospace Exploration Agency. 2003. ADEOS-II/GLI L2 Ocean color. https://doi.org/10.57746/EO.01gs73aspn6atahzjqtyq4tyr4
Access Constraints

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Use Constraints

The user is entitled to use G-Portal data free of charge without any restrictions (including commercial use) except for the condition about acknowledgement of data credit as stipulated in G-portal terms of use 7.(2).Click here for detailed G-Portal data usage constrains.

G-Portal Terms of service
https://gportal.jaxa.jp/gpr/index/eula?lang=en
ISO Topic Categories
  • CLIMATOLOGY/METEOROLOGY/ATMOSPHERE
Science Keywords
  • EARTH SCIENCE > OCEANS > OCEAN OPTICS > OCEAN COLOR
Location Keywords
  • GEOGRAPHIC REGION > GLOBAL

ISO Topic Categories is the keywords in the ISO 19115 - Geographic Information Metadata.

Science Keywords hosts Global Change Master Directory (GCMD) Keywords which are a hierarchical set of controlled Earth Science vocabularies that help ensure Earth science data, services, and variables are described in a consistent and comprehensive manner and allow for the precise searching of metadata and subsequent retrieval of data, services, and variables.