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ECOSTRESS Tiled Land Surface Temperature and Emissivity Instantaneous L2 Global 70 m V003

Published by LP DAAC;NASA/JPL/ECOSTRESS | National Aeronautics and Space Administration | Catalog Last Checked: September 01, 2026 at 11:15 PM | Dataset Last Updated: September 01, 2026
The ECOsystem Spaceborne Thermal Radiometer Experiment on Space Station (ECOSTRESS) mission measures the temperature of plants to better understand how much water plants need and how they respond to stress. ECOSTRESS is attached to the International Space Station (ISS) and collects data globally between 52° N and 52° S latitudes. The ECOSTRESS Tiled Land Surface Temperature and Emissivity Instantaneous Level 2 Global 70 m (ECO_L2T_LSTE) Version 3 data product provides atmospherically corrected land surface temperature and emissivity (LST&E) values derived from the five thermal infrared (TIR) bands using the Temperature-Emissivity Separation (TES) algorithm. In addition, a Sea Surface Temperature (SST) layer is included that is valid over all water surfaces (ocean and inland water). The L2 LST&E and SST algorithms run on all pixels regardless of land, ocean, or cloud. This tiled data product is subset from the ECO_L2G_LSTE data product using a modified version of the Military Grid Reference System ([MGRS](https://hls.gsfc.nasa.gov/products-description/tiling-system/)) which divides Universal Transverse Mercator (UTM) zones into square tiles that are 109.8 km by 109.8 km with a 70 meter (m) spatial resolution. The ECO_L2T_LSTE Version 3 data product is provided in Cloud Optimized GeoTIFF (COG) format, and each variable is distributed as a separate COG. Each granule contains 18 variables of LST, quality control flags (QC), band emissivities (bands 1-5), band emissivity error (bands 1-5), wideband emissivity (EmisWB), SST, cloud_mask, water_mask, view_zenith, and height. Known Issues * Solar Array Obstruction: Some ECOSTRESS scenes may be affected by solar array obstructions from the ISS, potentially impacting data quality in obstructed pixels. The 'FieldOfViewObstruction' metadata field is reliably populated and accurate for all products generated on or after October 2024, following fixes to the PGE docker configuration and updates to the L1A_RAW_PIX software. Prior to October 2024, the field was not reliably populated; a [list of confirmed affected scenes](https://lpdaac.usgs.gov/documents/2249/obst_all_sort.txt) was maintained and is recommended for verifying historical data. * Historical acquisition gaps and anomalies (2018–2023): Irrecoverable data loss occurred due to Mass Storage Unit (MSU) failures, resulting in permanent gaps in the observational record where no ECOSTRESS data was acquired. Other early issues, including band 4 striping (Feb 2020), 3-band TES mode limitations (May 2019–April 2023), and noisy data periods (e.g., May–July 2025), have been mitigated through reprocessing, firmware updates, and instrument recovery. Version 3 products incorporate these improvements where data exists and are unaffected by ongoing issues, but the permanent historical gaps remain, and caution is advised for time-series analyses spanning affected periods. * Product formats: Version 3 discontinues swath-based (non-gridded) HDF5 products for Level 2 LST&E and Cloud outputs. Only gridded ([ECO_L2G_LSTE](https://doi.org/10.5067/ECOSTRESS/ECO_L2G_LSTE.003) and [ECO_L2G_CLOUD](https://doi.org/10.5067/ECOSTRESS/ECO_L2G_CLOUD.003) in HDF5) and tiled ([ECO_L2T_LSTE](https://doi.org/10.5067/ECOSTRESS/ECO_L2T_LSTE.003) in Cloud-Optimized GeoTIFF) formats are available for Level 2 products. Swath-based products remain available for Level 1 products (e.g., ECO_L1B_RAD, ECO_L1B_GEO). Version 3 discontinues HDF5 products for Level 2 STARS, Level 3 Evapotranspiration, and Level 4 Evaporative Stress Index, and Water Use Efficiency outputs. Only tiled (Cloud-Optimized GeoTIFF) formats remain available for these products. Users transitioning from Version 2 should verify compatibility with the new structures. * Geolocation considerations: While geolocation is improved in Collection 3 tiled products (fixed MGRS grid), gridded products may reference legacy "GeolocationAccuracyQA" flags. Use "best" and "good" scenes for applications sensitive to precise positioning.

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