SMEX02 Iowa Satellite Vegetation and Water Index (NDVI and NDWI) Data, Version 1

This data set consists of Normalized Difference Vegetation Index (NDVI) and Normalized Difference Water Index (NDWI) data, derived from Landsat 5 Thematic Mapper (TM) and Landsat 7 Enhanced Thematic Mapper plus (ETM+) imagery.

Data and Resources

Additional Info

Field Value
Maintainer Earthdata Forum
Last Updated April 21, 2026, 04:33 (UTC)
Created April 1, 2025, 19:00 (UTC)
accessLevel public
bureauCode {026:00}
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
harvest_object_id 314f4f10-c377-473c-b558-8e535fe5ae98
harvest_source_id b99e41c6-fe79-4c19-bbc3-9b6c8111bfac
harvest_source_title Science Discovery Engine
identifier 10.5067/2R7KUXDQ3S44
license https://www.usa.gov/government-works
modified 2026-04-13T22:16:02Z
programCode {026:000}
publisher NASA NSIDC DAAC;NSIDC
resource-type Dataset
source_datajson_identifier true
source_hash 39f71a3dbccb37257bf63c6177b3ec491fe91f7b7b05d5aea6041332d0b219c2
source_schema_version 1.1
spatial ["CARTESIAN",[{"WestBoundingCoordinate":-93.827,"NorthBoundingCoordinate":42.732,"EastBoundingCoordinate":-93.161,"SouthBoundingCoordinate":41.694}]]
temporal 2002-06-06/2002-07-17
theme {"Earth Science"}