These Landsat 5 TM composites are made from Level L1T orthorectified scenes, using the
computed top-of-atmosphere (TOA) reflectance. See Chander et al.
(2009)
for details on the TOA computation.
As of May 1, 2017, the USGS is no longer producing Pre-Collection Landsat, and therefore this collection is complete. Please switch to a Collection 1-based dataset. See this documentation page for more information.
The Normalized Difference Water Index (NDWI) is sensitive
to changes in liquid water content of vegetation canopies. It is
derived from the Near-IR band and a second IR band, ≈1.24μm when
available and the nearest available IR band otherwise. It ranges in
value from -1.0 to 1.0. See
Gao (1996)
for details.
These composites are created from
all the scenes in
each annual period beginning from the first day of the year and
continuing to the last day of the year. All the images from each year
are included in the composite, with the most recent pixel as the composite value.
Bands
Bands
Name
Pixel Size
Description
NDWI
30 meters
Normalized Difference Water Index
Terms of Use
Terms of Use
Landsat datasets are federally created data
and therefore reside in the public domain and may be used, transferred, or reproduced without copyright restriction.
Acknowledgement or credit of the USGS as data source should be provided
by including a line of text citation such as the example shown below.
(Product, Image, Photograph, or Dataset Name) courtesy of
the U.S. Geological Survey
Example: Landsat-7 image courtesy of the U.S. Geological Survey
These Landsat 5 TM composites are made from Level L1T orthorectified scenes, using the computed top-of-atmosphere (TOA) reflectance. See Chander et al. (2009) for details on the TOA computation. As of May 1, 2017, the USGS is no longer producing Pre-Collection Landsat, and therefore this collection is complete. Please switch …
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],[],[[["This Landsat 5 TM dataset provides annual composites of the Normalized Difference Water Index (NDWI) from 1984 to 2012."],["The dataset is considered deprecated and users are encouraged to switch to a Collection 1-based dataset like LANDSAT/LT05/C01/T1_ANNUAL_NDWI."],["NDWI values range from -1.0 to 1.0 and are sensitive to changes in liquid water content of vegetation canopies."],["The dataset is provided by the USGS and resides in the public domain, allowing for use, transfer, and reproduction without copyright restrictions, with proper citation."],["Composites are created from all scenes within each year, prioritizing the most recent pixel for the composite value."]]],["This dataset contains Landsat 5 TM annual composites from 1984 to 2012, using Level L1T orthorectified scenes with top-of-atmosphere (TOA) reflectance. It calculates the Normalized Difference Water Index (NDWI), ranging from -1.0 to 1.0, to measure changes in liquid water content. The composites use all annual scenes, with the most recent pixel as the composite value. The USGS stopped producing Pre-Collection Landsat data in 2017, making this collection complete. Users should now use the dataset LANDSAT/LT05/C01/T1_ANNUAL_NDWI.\n"]]
