How long does it take to create Landsat Collection 2 Level-2 products after a Landsat scene is acquired?

Landsat Level-2 Surface Reflectance and Surface Temperature products require Landsat Collection 2 Level-1 scenes that have been processed to Tier 1 or Tier 2, as well as additional auxiliary data. For Landsat 7, the timeframe from acquisition (Real-Time (RT)) to Tier 1 or Tier 2 takes approximately 25-27 days. For Landsat 8 scenes, the timeframe from acquisition (RT) to Tier 1 or Tier 2 takes approximately 15-17 days. The Landsat Collection 2 Product Generation Timeline below gives a graphical view of this typical product generation timeframe.  

Landsat Collection 2 Generation Timeline

Landsat 7 and Landsat 8 Level-1 Real-Time scenes are available for download within 4-6 hours after acquisition. 

For Landsat 7 Level-1 scenes, the timeframe from acquisition (Real-Time) to Tier 1 or Tier 2 takes approximately 24-26 days to allow for application of the refined bumper mode parameters to the Real-Time scene. For Landsat 8 Level-1 scenes it takes approximately 14-16 days to process to a Tier 1 or Tier 2 product while refined Thermal Infrared Sensor (TIRS) instrument line of sight model parameters are applied to the Real-Time scene. Collection 1 Tiers has more information about the Landsat Collections Tier structure.

Collection 2 Level-2 Surface Reflectance and Surface Temperature products are typically available within 24 hours after a scene has been processed into Tier 1 or Tier 2. Landsat 7 and Landsat 8 both utilize NASA's Goddard Earth Observing System Model Version 5 Forward Processing for Instrument Teams (GOES-5 FP-IT) Atmospheric Assimilation Products for Level-2 product generation.

Upon nominal launch and on-orbit checkout in September 2021, Landsat 9 will deliver Collection 2 Level-1 Tier 1 or Tier 2 scenes within 4-6 hours of acquisition, and a Level-2 Surface Reflectance and Surface Temperature product within 3 days. Landsat 9 will also utilize the GOES-5 FP-IT atmospheric auxiliary data product for Level-2 product generation. 

(Public domain.)

Related Content

Filter Total Items: 7

What updates are being made in Landsat Collection 2?

Landsat Collection 2 marks the second major reprocessing event of the USGS Landsat archive. Continuing the tiered collection management structure implemented in Landsat Collection 1 , Landsat Collection 2 introduces several advancements in data processing, algorithm development, as well as data access and distribution capabilities, including:...

Will Landsat Collection 1 data products remain available?

Landsat Collection 1 data will continue processing until at least one year after the public release of Collection 2 to allow the user community enough transition time to the new Collection 2 data. Collection 1 U.S. Landsat ARD (Analysis Ready Data) and Collection 1 Landsat Level-3 science products (Burned Area, Dynamic Surface Water Extent, and...

How do Landsat Collection 2 Level-2 products compare with products from Collection 1?

Landsat Collection 2 Level-2 Surface Reflectance and Surface Temperature products are scene-based, are produced within the standard processing system, and are made available to download directly from EarthExplorer . In comparison, Landsat Collection 1 Level-2 products are only available via on-demand processing (Surface Reflectance, scene-based),...

Why are the fill values and scaling factors of Landsat Collection 2 Level-2 products different from those products in Collection 1?

The fill values and scale factors of Landsat Collection 2 Level-2 products were updated to be consistent with that of Landsat Collection 2 Level-1 data, while using the unsigned integer data type more efficiently. As shown in the table below, the fill value of the Surface Reflectance and Surface Temperature bands were changed from “-9999” in...

How do I search and download Landsat Collection 2 data products?

Search Landsat Collection 2 Level-1 and Level-2 products using EarthExplorer , which is the primary portal used to search all data held in the USGS EROS archives . While Landsat Collection 2 products are processed and stored in the USGS Cloud Hosting Solution (CHS) environment, downloads are managed through EarthExplorer. The USGS Landsat no-cost...

What are Cloud Optimized GeoTIFFs (COGs)?

A Cloud Optimized GeoTIFF (COG) is a GeoTIFF file with an internal organization that enables more efficient workflows in the cloud environment. It does this by leveraging the ability of clients issuing ​HTTP GET range requests to ask for just the parts of a file they need. Learn more: Landsat COG Data Format Control Boo k USGS Digital Elevation...

What are Landsat Collection 2 Full Resolution Browse Images?

Similar to Landsat Collection 1 LandsatLook Images , the Landsat Collection 2 Full Resolution Browse Images are .JPG and .TIF images with geographic referencing that are compressed and stretched to create an image optimized for image selection and visual interpretation. They are derived from Landsat Collection 2 Level-1 data and are available to...
Filter Total Items: 3
Date published: December 1, 2020

EROS Releases Collection 2, Boosting Cloud Access, Accuracy, Value of Landsat Archive

The U.S. Geological Survey (USGS) Earth Resources Observation and Science (EROS) Center is pleased to announce the December release of Landsat Collection 2, the most significant upgrade to the Landsat archive to date.

Date published: March 17, 2020

Landsat Data Moving to Public Cloud in Early 2020

The USGS is placing a copy of its consolidated Landsat global data inventory into a commercial cloud in early 2020.

Date published: March 24, 2017

New “Landsat Collections” Help Facilitate Land Change Science

Access to consistent high-quality images to study changes on Earth’s surface is getting easier. The USGS Landsat standard (Level-1) product inventory is now structured by data quality and offers improved calibration. Data designated as Tier 1 provide the highest accuracy and can be reliably used to analyze changes to Earth’s surface over time.

Filter Total Items: 8
Landsat Collection 2 product examples
September 16, 2020

Landsat Collection 2 product examples

Left: Landsat 8 Collection 2 level-1 top of atmosphere reflectance image, center: Landsat 8 Collection 2 level-2 atmospherically corrected surface reflectance image, and right: Landsat 8 Collection 2 level-2 surface temperature image for an area over Dowagiac, Michigan (path 22 row 31) acquired on September 16, 2020.

Please visit the

...
Attribution: Land Resources
Example of the Landsat 7 ETM+ Collection 2 level-2 science products
August 19, 2020

Example of the Landsat 7 ETM+ Collection 2 level-2 science products

Example of the Landsat 7 ETM+ Collection 2 level-2 science products. Left: Landsat 7 level-2 surface reflectance image. Right: Landsat 7 level-2 surface temperature image. The data was acquired on August 19, 2020 (path 179 row 28).

Landsat Collection 2 Generation Timeline
April 16, 2020

Landsat Collection 2 Generation Timeline

Landsat 7 and Landsat 8 Level-1 Real-Time scenes are available for download within 4-6 hours after acquisition. 

For Landsat 7 Level-1 scenes, the timeframe from acquisition (Real-Time) to Tier 1 or Tier 2 takes approximately 24-26 days to allow for application of the refined bumper mode parameters to the Real-Time scene. For Landsat 8 Level-1 scenes it takes 

...
December 31, 2017

Landsat Collections

Landsat Collections: Providing a Stable Environmental Record for Time Series Analysis

This video introduces the new U.S. Geological Survey (USGS) Landsat Collection 1 inventory structure. Collection 1 required the reprocessing of all archived Landsat data to achieve radiometric and geometric consistency of Level-1 products through time and across all Landsat sensors

Example of the Landsat 8 OLI/TIRS Collection 2 level-2 science products
May 3, 2013

Example of Landsat 8 OLI/TIRS Collection 2 level-2 science products

Example of the Landsat 8 OLI/TIRS Collection 2 level-2 science products. Left: Landsat 8 level-2 surface reflectance image. Right: Landsat 8 level-2 surface temperature image. The data was acquired on May 3, 2013 (path 140 row 41).

Example of the Landsat Collection 2 products
May 3, 2013

Example of the Landsat Collection 2 products

Example of the Landsat Collection 2 Level-1 and Level-2 sample products from path 140 row 41, acquired on May 3, 2013. Left: Level-1 Top of Atmosphere. Middle: Level-2 Surface Reflectance. Right: Level-2 Surface Temperature.

Read more about Landsat Collection 2 in the

...
Attribution: Land Resources
Example of the Landsat 4-5 TM Collection 2 level-2 science products
October 6, 2010

Example of the Landsat 4-5 TM Collection 2 level-2 science products

Example of the Landsat 4-5 TM Collection 2 level-2 science products. Left: Landsat 5 level-2 surface reflectance image. Right: Landsat 5 level-2 surface temperature image. The data was acquired on October 6, 2010 (path 47 row 27).

L8 Collection 2 Full Resolution Browse Samples: Reflective, Thermal, and Quality Band

Collection 2 Full Resolution Browse Samples

These images are examples of Landsat Collection 2 Full Resolution Browse images. From left to right:  Reflective browse image, Thermal browse image, and Quality Band browse image. Images created from Landsat 8 data (Path 27 Row 27) acquired October 24, 2015. 

Visit the

...