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November 29, 2017 - Delivery changes to Band 4 Solar/Sensor Zenith/Azimuth Angle Bands

A recent software release to the Earth Resources Observation and Science (EROS) Center Science Processing Architecture (ESPA) on-demand interface changes the delivery to users of the Band 4 Solar/Sensor zenith/azimuth angle bands. (Read More)

June 29, 2017 – Useful updates made to ESPA

EROS Science Processing Architecture (ESPA) users now have the ability to cancel orders. (Read More)

May 26, 2017 - Notice of CFMask Discontinuation from Landsat Higher-Level Data Products

Starting June 2, 2017, users will no longer be able to order CFMask processing for Landsat Collection 1 Higher-Level data products via the ESPA on-demand interface. Equivalent information is now available in the “pixel_qa band”, which is included with all Higher-Level products. (Read More)

March 31, 2017 - Immediate ESPA changes affect Landsat Pre-Collection data

Effective April 7, 2017 at 10:00 am CDT, the ability to request Surface Reflectance and other Higher-Level data processing for all Landsat 4-5 TM, Landsat 7 ETM+, and Landsat 8 OLI/TIRS Pre-Collection scenes will no longer be supported by the EROS Science Processing Architecture (ESPA) Interface.  ESPA Pre-Collection orders placed through April 7 will be processed and completed.  (Read More)

March 23, 2017 - Landsat 7 ETM+ Surface Reflectance Interruption

On March 12, 2017, the Ozone Monitoring Instrument (OMI) onboard the NASA Aura satellite entered survival mode.  Successful recovery efforts allowed data to resume on March 18, 2017.  Since OMI ozone auxiliary data are required for the processing of Landsat 4-5 TM and Landsat 7 ETM+ Surface Reflectance from ESPA, no L7 ETM+ scenes acquired from March 12  to March 17, 2017 can be successfully processed to Surface Reflectance.  We apologize for this inconvenience.

December 23, 2014 - Provisional Landsat 8 Surface Reflectance Data Available

Provisional Landsat 8 Operational Land Imager (OLI) Surface Reflectance (SR) data products are now available through the Earth Resources Observation and Science (EROS) Center Science Processing Architecture (ESPA) On Demand Interface and EarthExplorer. (Read More)

December 3, 2014 - Landsat 8 Surface Reflectance Climate Data Record Development Nears Completion

By the end of 2014, Prototype Landsat 8 Operational Land Imager (OLI) Surface Reflectance (SR) Climate Data Records (CDRs) will be available through the Earth Resources Observation and Science (EROS) Center Science Processing Architecture (ESPA) On Demand Interface.  As currently produced for Landsat 4-5 and Landsat 7 scenes, product options such as top-of-atmosphere (TOA) reflectance, surface reflectance (SR), and SR-based spectral indices will be available for Landsat 8 scenes.

Details about Landsat 8 Surface Reflectance CDRs are now available.

October 10, 2014 - Upcoming Landsat 8 Surface Reflectance Data Products

As announced in the latest Landsat Update, prototype Landsat 8 Surface Reflectance product options will be available to all users via the Earth Resources Observation and Science (EROS) Center Science Processing Architecture (ESPA) On Demand Interface  in the upcoming months. (Read More)

July 21, 2014 - Changes to ESPA Processing and Output Options

On July 29, 2014, the EROS Science Processing Architecture (ESPA) will be upgrading its interface to incorporate more high-level processing options for Landsat 4/5 TM and Landsat 7 ETM+ products. (Read More)

June 26, 2014 - ESPA Login Changes

Users are reminded that as of today, June 26, 2014, the ESPA on demand ordering interface https://espa.cr.usgs.gov now uses the USGS login credentials - the same used to access EarthExplorer.

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October 15, 2012 - New GLS Visualization Interface Available

The USGS EROS Science Processing Architecture (ESPA) GLS Visualization Interface was released today. The new interface allows users to immediately download Global Land Survey (GLS) 2010 and GLS 2005 Surface Reflectance Products. GLS 2000 surface reflectance products will be available soon as well. (Read More)

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