g.t.u.p4

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[Summary]
This service helps a user to search for products archived in the ASTER GDS. It also allows users to find product availability before ordering them and to confirm product contents by checking the Browse data and the Coverage data. Non-registered users are also allowed to utilize this service.

Types of Search

Inventory search
"Inventory Search" enables you to search products on under your arbitrary search conditions on a granule basis. A list of granules that satisfy your search conditions will be provided as the search result. Detailed information of all data sets, geographic locations on the map, and browse data are provided for your checking.

[Procedure]

1. Online Procedure

(1)

Click here to show ASTER GDS-IMS Homepage in another window. Detailed instruction on how to utilize IMS will be given by clicking the "HELP" button.

(2)

Select "DPR" from the Main Menu on the "ASTER GDS-IMS Homepage" to display the "DPR Menu".

(3)

Select "DPR Search" from the "DPR Menu".

(4)

"DPR Search" page will show up for you to specify your search conditions.

"Select Range": Select "ASTER GDS".
"Search Type": Choose "Inventory Search".

*If you wish to order the retrieved products at the end of a product search, please select "Inventory Search" for "Search Type". Remember that you must be an ASTER GDS registered User and have performed User Certification before ordering products. As for User Certification, please select "User Certification" from the Main Menu on the ASTER GDS-IMS Homepage. Enter your Login Name and Password. (As for User Registration, which is required for utilizing the User Certification and Product Processing and Distribution services, please refer to the "User Registration" page for the details.

Depending on which search type you have selected, please specify your search conditions in accordance with the table below. The mandatory items indicated with or are shown in bold on the "DPR Search" screen.
: Mandatory : At least one from the items with this mark

: Optional : Not selectable

No.	Search Conditions		Search Range: ASTER GDS
			Inventory Search
1	Sensor Mode
2	Parameter
3	Processing Level
4	Dataset ID
5	Instrument Mode
6	ASTER xAR ID
7	Cloud Cover Rate
8	Day/Night
9	Browse Data
10	Maximum No. of Granules for a Search
11	Type of Search Period
		Continuous Time Range
		Annually Repeated Cycle
12	Search Area
		None
		Search Area Input
		Global Search
13	Method of Search Area Input
		Rectangle
		Four Corners

Please refer to the "Valid Entries for Search Conditions" below for the details. The table describes the appropriate values for input of search conditions on the "DPR Search" page.

(5)

On completion of specifying your search conditions, please click "Search Exec". to start your retrieval on the "Product Search" page.

(6)

The progress of the search will be indicated on the "Inventory Search Status" page for an inventory search. (Even during the retrieval, you can reset the search and start a new search by clicking "New Search" button or you can just abort the search by clicking "Abort Search" button.)

(7)

The search result will be provided on the "DPR Inventory Search Result" page for a inventory search. The contents of the search results for each search type are as follows;

Inventory Search Result
The search result consist of the search conditions at the top of the screen and a list of granule IDs satisfying the search conditions at the bottom. By clicking "Next Data Set" or "Previous Data Set", granules in adjacent data sets can be displayed.
Select one granule from the list and click any tag you desire to refer to, Inventory Information, Coverage Map, Browse Data, Core Metadata, or Specific Metadata.
- "Inventory Detailed Information"
  Data Center name, Data Set ID, Granule ID, (Satellite Name,) Sensor mode, Instrument Mode, Scene Coverage, Processing Level, Cloud Cover Rate and etc. can be confirmed for any granule selected from the list of the retrieved granules on the "DPR Inventory Search Result" page.
- "Coverage Map"
  The location of the area of the granule selected from the list of the search results on the "DPR Inventory Search Result" is given on the map for your viewing. The area framed in red is the location of the selected granule.
- "Browse Data"
  A compressed image is displayed for the granule selected from the search result list on the "DPR Inventory Search Result" page. Clicking on the browse image data framed in blue will enlarge the view in another window.
- "Core Metadata"
  The Core Metadata for the granule selected from the search result list on the "DPR Inventory Search Result" page is given in the text format.
- "Specific Metadata"
  The Specific Metadata for the granule selected from the search result list on the "DPR Inventory Search Result" page is given in the text format.

[Valid Values for Inventory Search]

No.	Field	Mandatory/ Optional	Valid Values	Description
DPR Search Tag
1	Select Range	Mandatory	Select "ASTER GDS". ASTER GDS EOSDIS	Default = ASTER GDS (ASTER GDS is only selectable.)
2	Search Type	Mandatory	Select "Inventory". Inventory	Default = Inventory
3	Sensor Mode	Mandatory	Select one or more from the followings. "ASTER-VNIR" "ASTER-SWIR" "ASTER-TIR" "ASTER-STEREO"	Default = ALL More than one can be selected.
4	Instrument Mode	Optional	Select one or more from the following options. "Full Mode" "VNIR Only" "V3N/V3B" "SWIR+TIR" "TIR Only"	More than one can be selected.
5	Processing Level	Option	Select one or more processing level(s) from the followings. 1A 1B 2 3 4	Default = ALL More than one can be selected.
6	Dataset ID	Mandatory	Select one or more Dataset ID(s) from the followings. ASTL1A ASTL1B AST2A02 AST2A03V AST2A03S AST2B01V AST2B01S AST2B01T AST2B03 AST2B04 AST2B05V AST2B05S AST3A01 AST4A01X AST4A01Z	Default = Not specified. More than one can be selected.
7	ASTER xAR ID	Optional	Input xAR ID(s).	Default = Not specified.
8	Cloud Cover Rate	Optional	Specify the cloud cover rate by selecting the fixed rate from the radio button. Yes No If "Yes" is selected here, specify the rate by selecting one value (%) from the list given.	Default = No Specify the cloud cover rate (%) that satisfies your desirable quality level.
9	Day/Night	Optional	Specify the sunshine condition at the time of observation. Day Night Day and Night	Default = Day
10	Browse Data	Optional	Select one from the followings. Yes No	Default = No Select "Yes" if you wish to search for only granules with Browse Data attached.
11	Maximum Number of Granules returned for a search	Optional	Enter a numerical value.	Default = 100 Specify the maximum number of granules returned per data set for a search. A granule is the minimum observation data unit, which has been processed as a product.
12	Type of Search Period	Optional	Select one from the followings. Continuous Time Range Annually Repeated Cycle	Default = Continuous Time Range
	Continuous Time Range (Tag)	Optional	Start of Search Period: YYYY-MM-DD hh:mm:ss End of Search Period: YYYY-MM-DD hh:mm:ss	Specify the starting date and time searching your target observation. Specify the ending date and time for searching your target observation.
	Annually Repeated Cycle	Optional	Start of Search Period: YYYY-MM-DD hh:mm:ss End of Search Period: YYYY-MM-DD hh:mm:ss Start of Data Acquisition Cycle: MM-DD (every year) End of Data Acquisition Cycle: MM-DD (every year)	Specify the starting date and time for searching your target observation. Specify the ending date and time for searching your target observation.
Search Area Tag
13	Search Area	Mandatory	Select either "Search Area Input" or "Global Search." Search Area Input Global Search	Default = Search Area Input
14	Method of Search Area Input	Mandatory	Rectangle Four Corners	This field is selectable only if "Search Area Input" is selected for "13. Search Area." Default = Rectangle The latitudes and longitudes to be specified depend on the methods.
	Four Corners (Tag)		Corner 1 Corner 2 Corner 3 Corner 4	When "Four Corners" is selected for "14. Method of Search Area Input," you can also specify the corners by pointing with the mouse on the map.
	Rectangle (Tag)		Northern Tip Eastern Tip Southern Tip Western Tip	Search area can be specified by; leaving the longitudes of Northern Tip and Southern Tip blank, and leaving the latitudes of Eastern Tip and Western Tip blank. You can also specify the area by pointing and dragging with the mouse on the map.

2. Offline Procedure

(1)

Please print out the "Application Form for ASTER GDS Products Search" available from the link below and fill out the form as instructed in the "Instruction to fill in the Application Form for ASTER GDS Products Search" also available from the link below. Please also refer to the example provided below which shows you how to complete the form.

* The above files are provided in PDF file format.

Please use Adobe(R) Acrobat(R) Reader to read and print these files.

You can download the Adobe(R) Acrobat(R) Reader program from Adobe Website.

Jump to Adobe(R) Website for Adobe(R) Acrobat(R) Reader.

(2)

Complete the "Application Form for ASTER GDS Products Search" and send it to ASTER GDS User Service via fax (03-3533-9390).

(3)

ASTER GDS will make the search for you and will inform you of the search results via fax.

(4)

As for the search result, when no products that satisfy the user's search conditions are found, ASTER GDS will notify the user that there is no appropriate product.

(5)

When there are products that satisfy the user's search conditions, ASTER GDS will send a list of granule IDs, as shown in the figure below, to inform the user of the products satisfying the user's search conditions. A granule ID is the minimal unit of ASTER data products and corresponds to one scene (approximately 60km x 60km) which is the unit for ASTER observation unit. Therefore, users are asked to be aware that the area you request may be divided into two or more scenes as the search result.

<< Please contact >>

Earth Remote Sensing Data Analysis Center
ASTER GDS User Service
Forefront Tower
3-12-1 Kachidoki, Chuo-ku, Tokyo, 104-0054 JAPAN
Inquiry Page
Telephone: +81-3-3533-9388
Facsimile: +81-3-3533-9390