Landsat Satellite Data Collection

Since the beginning of the landsat program in 1972 the images and data have been available to all countries around the world.

Landsat satellite data collection.

The purpose of this technical document is to provide a basic understanding of the joint nasa usgs landsat 7 program and to serve as a comprehensive resource for the. The landsat satellites make loops around the earth and are constantly collecting images of the surface through the use of a variety of sensing devices. Landsat 1 ls 1 formerly named erts a and erts 1 was the first satellite of the united states landsat program it was a modified version of the nimbus 4 meteorological satellite and was launched on july 23 1972 by a delta 900 rocket from vandenberg air force base in california. This structure ensures that landsat level 1 products provide a consistent archive of known data quality to support time series analyses and data stacking while controlling continuous improvement of the archive and access to all data as they are acquired.

The landsat 7 science data user s handbook is a living document prepared by the landsat project science office at nasa s goddard space flight center in greenbelt maryland. Landsat data collection. Landsat collection 2 available in mid 2020 marks the second major reprocessing event of the usgs landsat level 1 archive resulting in several data product improvements that harness recent advancements in data processing algorithm development and data access and distribution capabilities. Scene based surface reflectance data on demand.

The numbers behind landsat. In 2016 the usgs reorganized the landsat archive into a tiered collection. Landsat level 2 and level 3 science products contain higher level data to allow scientists to better document changes to earth s terrestrial environment. Where to get data find your location how to use data watch live as landsat data are collected landsat sensors record reflected and emitted energy from earth in various wavelengths of the electromagnetic spectrum.

On the earthexplorer data sets tab level 1 scenes can be found under the landsat category landsat collection 1 level 1 subcategory as shown in the image below. A primary characteristic of collection 2 is the. Landsat level 1 bulk orders the earthexplorer scene list upload tool allows users to upload text files and earthexplorer metadata exports or fast and easy downloading of landsat and. The data are located under the landsat category landsat collection 1 level 2 on demand subcategory with landsat 8 landsat 7 and landsat 4 5 tm listed as individual datasets.

Cities from space v1 1999 2003. All landsat data in the usgs archive are free. Collections ensures all landsat level 1 products provide a consistent archive of known data quality while controlling continuous improvement of.