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For people who have taken the AW3D30 survey before

For people who have taken the AW3D30 survey before

JAXA

Thank you for using and supporting the ALOS Global Digital Surface Model “ALOS World 3D – 30m” (AW3D30) service. Please fill out the following questionnaire (as requested in the separate email message) to help us improve the service.

Every field marked with an asterisk (*) must be completed.

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Product and Usage

Did you know that missing data due to cloud cover and snow have been updated in AW3D30?

*The new dataset was published as version 1.1 in March 2017 with a total of approximately 10,300 updated tiles. Void pixels due to clouds and snow pixels within 60 deg. of north and south latitudes in Version 1 were complemented by existing DEMs. Out-of-area data are the same as those that appear in the Version 1 product.

Have you downloaded data since the update?

If yes, please continue with the next question. If no, please skip the next question.

This is a question for people who answered “Yes” to the question just above. Please tell us your experience with the new version 1.1.

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If you have published any data from work or research using the data, please give us the references.

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For people who have taken the AW3D30 survey before