ALOS-2

Observation results of Supersites

Observation results of Supersites

You can check the observation results of ALOS-2 Supersites from the MAP below.

  • Select the type of supersite you want to check from the button at the top right of the MAP.
  • By clicking on the area of interest on the MAP, you can download a ''KML file containing past observation results (observation area, number of observations)''.
  • For details such as KML file naming conventions and the relationship between color and observation frequency, please check the explanation below the MAP.

    • The types of Supersites are as follows.

    World priority disaster prevention
    Asia-RiCE/SAFE Project Supersites and JECAM Supersites (After April 2024, only Brazil will be observed)
    JJ-FAST Supersites
    K&C(Kyoto & Carbon Initiative) Supersites
    -Research Announcement on the Earth Observations: EO-RA3- PI Supersites (Starts in 2022)
    Volcano Supersites

    Details of observation results of Supersites

    Overview

    Observation results of Supersites shows the number of observations for each scene during the period 2014/8/4～2023/12/10. The results are summarized in the KML and JPEG format for each observation Site Name respectively.

    Observation Mode

    SM1（StripMap 3m）, SM2（StripMap 6m）, SM3（StripMap 10m）and W2（ScanSAR）are included.

    Information stored in KML files

    The following table shows the contents of KML files.

    No.DefinitionContents
    1Path number001～207
    2Frame number0000～7190
    3Number of observations1～Over 60
    4Beam numberEx.) F2-5
    5Orbit directionA:Ascending
    D:Descending
    6Observation directionR:Right looking
    L:Left looking

    Beam Number

    The following table shows the relationship between the beam number and observation mode/off-nadir angle.

    Beam NumberObservation modeOff-nadir angle (deg)
    U2-6SM1
    （StripMap 3m）    		29.1
    U2-732.7
    U2-835.4
    U2-938.2
    U3-1040.6
    U3-1142.7
    U3-1244.7
    U3-1346.4
    U3-1448.0
    FP6-3SM2
    （StripMap 6m）    		18.0
    FP6-421.9
    FP6-525.6
    FP6-629.1
    FP6-732.7
    F2-5SM3
    （StripMap 10m）    		28.2
    F2-632.7
    F2-736.2
    F3-839.3
    F3-941.9
    F3-1044.3
    W2ScanSAR34.9

    Definition of KML file name

    The definitions of KML file name are as follows;

    {Site Name}_{Beam Number}_{A/D※1}_{R/L※2}_
     {The first observation day in storage data※3}_{The last observation day in storage data※4}.kml

    ※1
    A：Ascending
    D：Descending

    ※2
    R：Right looking
    L：Left looking

    ※3/4
    Observation results period of this time

    Legend of color

    The legend below shows the relationship between the color in the KML files and the number of observations.