2015/1/14@piws introduction of jaxa data dissemination systems jaxa mission operations system...

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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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.


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]


JAXA satellite data dissemination Systems(URLs, Mail, Top page)

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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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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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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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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

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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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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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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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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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http://www.eorc.jaxa.jp/ALOS/en/top/obs_top.htm

http://www.eorc.jaxa.jp/ALOS/en/top/obs_top.htm

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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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2015/1/14@piws introduction of jaxa data dissemination systems jaxa mission operations system...

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