[Landsat-pds] landsat scenes pre 2017

Flasher, Joe jflasher at amazon.com
Tue Sep 25 15:40:36 PDT 2018


Hi Leah, sorry for the slow reply. USGS switched over to Collection 1 some time ago and the data on S3 spans both Pre-Collection and Collection 1. https://landsatonaws.com is only showing Collection 1 data, which is why you’re seeing it only go back so far in time. You can find data farther back in time if you’re will to use the Pre-Collection data. You can use the https://aws.amazon.com/cli/ to search through this imagery with a command like

aws s3 ls landsat-pds/L8/043/034/

which will show you all the Pre-Collection imagery available. You can also use a very simple web interface to browse the data at http://landsat-pds.s3.amazonaws.com/L8/index.html, which will also be Pre-Collection imagery.

Our goal in the future is to have the full Collection 1 archive for all the missions available on AWS.

Hope that helps!

On Sep 20, 2018, at 11:17 AM, Leah Wasser <Leah.Wasser at Colorado.EDU<mailto:Leah.Wasser at Colorado.EDU>> wrote:

Hi All,
I am new to this list so my apologies if this question has  been asked.I have done several searches!

When I try to grab landsat data from AWS (this is for a class), I am able to “see” scenes back to 2017. However the metadata tell me there should be data back to 2015.

Example: https://landsatonaws.com/L8/043/034/ <- notice that the data only go back to mar 2017.
Are there data stored in another location or are older data only available in certain areas?

Many thanks for any clarification.
Leah

Leah A. Wasser, Ph.D.
---
Director, Earth Analytics Education Initiative
Earth Lab, University of Colorado Boulder
S346 SEEC
ph. 303-735-4637
twitter: @leahawasser
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