2015/1/14@PIWS
Introduction of JAXA Data Dissemination Systems
JAXA Mission Operations System Office(MOSS)Akari Yoneyama, Yousuke Ikehata
2015/01/14@ PIWS
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2015/1/14@PIWS
Introduction of JAXA Data Dissemination Systems
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a. Overview of JAXA ground and data dissemination systems
b. GCOM-W Data Providing Servicec. ALOS-2/ALOS User Interface Gateway
(AUIG2)d. G-Portal
2015/1/14@PIWS
“Introduction of JAXA Data Dissemination Systems”
a. Overview of JAXA ground and data dissemination systemsb. GCOM-W Data Providing Servicec. ALOS-2/ALOS User Interface Gateway (AUIG2)d. G-Portal
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2015/1/14@PIWS
Ground Station(S-band)
Ground Station(X-band)
Observation Request
Reception
UsersPI, Institute,
etc
Operation Planning system
ObservationRequest
Operation Plan
Operation Plan Observed Data
Data Transmission System
Data Processing System
Archive
ObservationRequest
Data Dissemination System
Observed Data
Observed Data
Products
Private Distributers (RESTEC)
CROSS (up to AMSR-E)
Products
Commercial Products
Search/Order
Search/Order
UsersPI, Institute, etc
Core UsersJMA, NIES, JAFIC, etc
Products
Users NASA
JAXA Mission Operations System
JMA : Japan Meteorological AgencyNIES : National Institute for Environmental StudiesJAFIC : Japan Fisheries Information Service CenterPF : PLATFORMPI :Principal Investigator
CATS-I
Earth Observation Satellite
Products/Catalogue
Products
G-Portal
AUIG2(ALOS/ALOS-2)
a. Overview of JAXA ground and data dissemination systems(1/3)
JAXA’s Ground System Overview for Earth Observation Satellites
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Private Distributers (RESTEC/PASCO)PF(ALOS/ALOS-2)
GCOM-W Data Providing Service
Catalogue
2015/1/14@PIWS
Common function of those data dissemination System - Search Products - download and order by internet using 10Gbps line.
JAXA has 3 data dissemination systems.
a. Overview of JAXA ground and data dissemination systems(2/3)
JAXA satellite data dissemination Systems
Satellite dissemination System
GCOM-W(AMSR/AMSR-E/AMSR2) GCOM-W Data Providing Service
ALOS-2/ALOS ALOS-2/ALOS User Interface Gateway (AUIG2)
GPM/TRMM/GOSAT/Aqua/ADEOS-II/ADEOS/MOS-1/
MOS-1b/JERS-1/ERS-1(Future)GCOM-C/EarthCARE/
GOSAT-2
G-Portal
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G-Portal
https://www.gportal.jaxa.jp/[email protected]
GCOM-W Data Providing Service
https://gcom-w1.jaxa.jp/[email protected]
AUIG2
https://auig2.jaxa.jp/ips/home/[email protected]
a. Overview of JAXA ground and data dissemination systems(3/3)
JAXA satellite data dissemination Systems(URLs, Mail, Top page)
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2015/1/14@PIWS
“Introduction of JAXA Data Dissemination Systems”
a. Overview of JAXA ground and data dissemination systemsb. GCOM-W Data Providing Servicec. ALOS-2/ALOS User Interface Gateway (AUIG2)d. G-Portal
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2015/1/14@PIWS
b. GCOM-W Data Providing Service(1/4)
Summary
Providing data• AMSR• AMSR-E• AMSR2including Standard and Near Real-time Product
Function• Search Archived Data• Order Products
Also G-Portal provides AMSR/AMSR-E products.
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b. GCOM-W Data Providing Service(2/4)
Product’s Download interface
Web (HTTP)• Search and order from our web
page.• Format conversion is available.
HDF5 to netCDF, GeoTiff ( AMSR2 )
HDF4 to HDF5, netCDF, GeoTiff( AMSR/AMSR-E)
SFTP• Log in to our SFTP server and
download products.• Format conversion is not
available.
https://gcom-w1.jaxa.jp
DPSS Web page
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b. GCOM-W Data Providing Service(3/4)
Products Overview(Processing Level Definitions)
Processing Level Description
Data provideStandar
dsProduct
s
NRTProduc
ts
Level
1A Count Value
A product that adds radiometric correction processing and geometric correction processing to the Level 0 data set, calculates antenna temperature conversion coefficients, antenna temperature count values, etc. and divides the data set by scene.
○(Special
User)-
Level
1BBrightnessTemperature
A product that converts antenna temperatures output in Level 1A to brightness temperatures using the conversion coefficients.
○○
(Special User)
Level
1RBrightnessTemperature(Resampled)
A product that resamples the Level 1B product using precalculated resampling coefficients to adjust data for lower frequency resolutions.
○ -
Level
2GeophysicalParameters(Scene)
A product that calculates geophysical parameters primarily related to water from the Level 1B product.
○○
(Special User)
Level
3
GeophysicalParameters(Global Data)
A product that averages the Level 1B product and the Level 2 product spatially and over time with respect to predefined lattice grid points on the Earth surface and maps the averages on a global scale.
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b. GCOM-W Data Providing Service(4/4)
Products Overview(Level2 Geophysical Parameters)
Product Description
Atmosphere
Total Precipitable Water (TPW)
Total volume of water vapor in the atmosphere integrated in the vertical Direction
Cloud Liquid Water(CLW)
Total volume of cloud liquid water in the atmosphere integrated in the vertical direction
Precipitation(PRC)
Hourly rainfall depth of liquid precipitation (rain) at the ground surface
Ocean
Sea Surface Temperature (SST)
Water temperature several millimeters below the sea surface penetrated by microwaves (near-skin sea temperature)
Sea Surface Wind speed (SSW) Wind speeds 10 meters above the sea surface
Cryosphere
Sea Ice Concentration
(SIC)
Ratio of the area occupied by sea ice when sea water and sea ice exist in the 18 GHz band’s observed field of View
Land Area
Snow Depth(SND) Depth of accumulated snow
Soil Moisture Content(SMC)
Volumetric water content in surface soil11
2015/1/14@PIWS
“Introduction of JAXA Data Dissemination Systems”
a. Overview of JAXA ground and data dissemination systemsb. GCOM-W Data Providing Servicec. ALOS-2/ALOS User Interface Gateway (AUIG2)d. G-Portal
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c. ALOS-2/ALOS User Interface Gateway (AUIG2)(1/4)
Summary
Providing data• ALOS-2/PALSAR-2• ALOS/ AVNIR-2• ALOS/ PRISM• ALOS/PALSAR
Function• Search Archived Data• Order Products• View Observation Plan(ALOS-2)• for High resolution products
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c. ALOS-2/ALOS User Interface Gateway (AUIG2)(2/4)
Search ALOS/ALOS-2 products
Search ALOS-2 data by specifying area, conditions and period
Area Conditions Period
pointPath/Framepolygonkml fileshape file
Observation mode Off-nadir angle or pointing angleOrbit derectionObservation direction (right or left)Cloud Coverage (Optical only)Existence of browse imageInterferometry pair search
Observation start date and end date
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c. ALOS-2/ALOS User Interface Gateway (AUIG2)(3/4)
Order ALOS/ALOS-2 products
Product level• L1.1• L1.5• L2.1• L3.1
Product format• CEOS• GeoTiff• Jpeg• GeoPDF
Zipped file Delivery method is “AUIG2 download” (by internet) User can check Order status and Quota status
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c. ALOS-2/ALOS User Interface Gateway (AUIG2)(4/4)
View ALOS-2 Observation Plan
ALOS-2 observation plan is fixed one day before.(So, it can be changed until then.)
Detailed information on ALOS-2 observation http://www.eorc.jaxa.jp/ALOS/en/top/obs_top.htm
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“Introduction of JAXA Data Dissemination Systems”
a. Overview of JAXA ground and data dissemination systemsb. GCOM-W Data Providing Servicec. ALOS-2/ALOS User Interface Gateway (AUIG2)d. G-Portal
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d. G-Portal(1/6)
Summary
Providing data• GPM/TRMM/GOSAT/Aqua/
ADEOS- /ADEOS/MOS-1/MOS-1b/JERS-1/ERS-1Ⅱ(Future) GCOM-C/EarthCARE/GOSAT-2
including Standard and Near Real-time Product Function
• Search Archived Data• Order Products• for Low/Middle resolution products
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d. G-Portal(2/6)
Feature of G-Portal
Cross-search from JAXA’s many satellites It provides many JAXA’s satellite data with free of charge. HTTPS service and SFTP service are available.
https://www.gportal.jaxa.jp
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d. G-Portal(3/6)
Product’s Download interface
Direct Download── ├ AQUA
│ └── AQUA.AMSR-E│ ── ├ L1A│ ── ├ L1B│ ── ├ L2.AP│ ── ├ L2.CLW│ ── ├ L2.IC│ ── ├ L2.SM│ ── ├ L2.SST│ ── ├ L2.SSW
products download
without Web browser
search by
physical
quantity or
spacecraft/
sensors
selectphysica
l quantit
yor
spacecraft/
sensors
selectperiod
andregion
check search result
order
download
Webor
SFTPHTTPS
SFTP
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Satellite Sensor Proccessing LevelTRMM PR L1 L2 L3
TMI L1 L2 L3COMB L2 L3VIRS L1
GPM COMB L2 L3DPR L2 L3GMI L1 L2 L3KaPR L1 L2KuPR L1 L2GsMAP L3GPM Constellation L1
ALOS※1 AVNIR- 2 -PALSAR -PRISM -
AQUA AMSR- E L1 L2 L3
d. G-Portal(4/6)
Standard Products List provided by G-Portal in 2015
Satellite Sensor Proccessing LevelADEOS- Ⅱ AMSR L1 L2 L3
GLI L1 L2 L3ADEOS OCTS L1 L2 L3
AVINIR※ 2 -
MOS- 1※ 2 MESSR -VTIR -MSR -
MOS- 1b※ 2 MESSR -VTIR -MSR -
J ERS- 1※ 2 VNIR -SWIR -SAR -
ERS- 1※ 2 AMIimage -
GOSAT※ 2※ 3 TANSO- CAI L0 L1 L2 L3TANSO- FTS L0 L1 L2 L3 L4
*1: Only catalogue is disseminated for ALOS.*2: Only for PI or specified users.*3: GOSAT higher level products are disseminated by NIES.*4 Some products are only for PI or specified users.
GCOM-C , EarthCARE and GOSAT-2 will also be provided in future.
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d. G-Portal(5/6)
Physical quantities provided by G-Portal
Group1 Group2 Products Group1 Group2 ProductsAtmosphere Precipitation Amount of Precipitation Terrestrial Soil Moisture Soil Moisture
Precipitation Qualitative Snowpack Snow Coverage DistributionPrecipitation Particle Radius Surface Temperature
Cloud Cloud Water/ Cloud Ice Snow Grain SizeCloud Mask Scheme Snow Depth Cloud Particle Radius/ Shape Radiance/ Reflectance Radiance/ Reflectance
Cloud Top Profiles(Temperature/ Pressure/ Height) Vegetation Vegetation Parameters
Cloud Amount Ocean Sea Surface Temperature Sea Surface TemperatureOptical Thickness Sea Surface Wind Sea Surface Wind Speed
Water Vapor Water Vapor Ocean Color Normalized Water- Leaving RadianceAerosol Optical Thickness Chlorophyll- a Concentration
Aerosol Particle Radius Suspended Solid ConcentrationAerosol Extinction Coefficient Colored Dissolved Organic Matter
Radiation Balance Latent Heating Profiles Others Radiance/ Brightnesstemperature
Brightness Temperature
Cryosphere Sea Ice Sea Ice Concentration RadianceSnow Grain Size Radiance/ ReflectanceSurface Temperature Radar Calibrated Received Power
Snow pack Snow Depth Radar ReflectivitySurface Temperature Backscattering cross sectionSnow Grain Size Geometric Information Geometric InformationSnow Coverage Distribution Environment Auxiliary Environment Auxiliary
Table describes physical quantities which G-Portal provide.The yellow cells are available only for PI User now.
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d. G-Portal(6/6)
Future Plan
GCOM-C, EarthCARE and GOSAT-2 will also be provided after products released.
The service by GridFTP which is a File Transfer Protocol for high-speed data transfer will be started in near future.• Oversea user’s network throughput will be
improved from a few Mbps to 100Mbps.
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