ECOSTRESS Resampled Radiance Daily L1B Global 70 m

PI: Simon Hook


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. A map of the acquisition coverage can be found in figure 2 on the ECOSTRESS website.

The ECO1BMAPRAD Version 1 data product combines the at-sensor calibrated radiance values retrieved for the ECO1BRAD data product and the geolocation information provided in the ECO1BGEO data product to produce a geotagged, resampled radiance product. The ECO1BMAPRAD data product is produced as a map registered product that is in a rotated geographic projection with a spatial resolution of 70 meters (m). The ECO1BMAPRAD data product accounts for the overlap and variable pixel size in the ECO1BRAD data product.

The ECO1BMAPRAD Version 1 data product contains data layers including the radiance values for the five thermal infrared (TIR) bands, digital number (DN) values for the shortwave infrared (SWIR) band, associated data quality indicators, latitude and longitude values, solar and view geometry information, and surface height.

read more


Collection and Granule


Characteristic Description
File Size~2-3 GB
Temporal ResolutionVaries
Temporal Extent2018-07-09 to Present
Spatial ExtentGlobal (+/- 52 degrees latitude)
Coordinate SystemGeographic Latitude and Longitude
DatumWorld Geodetic System (WGS84)
File FormatHDF5
Geographic Dimensions400 km x 400 km


Characteristic Description
Number of Science Dataset (SDS) Layers18
Columns/RowsVaries by scene x Varies by scene
Pixel Size70 m

Layers / Variables

SDS Name Description Units Data Type Fill Value No Data Value Valid Range Scale Factor
data_quality_1 Data Quality Indicators for radiance_1 N/A 8-bit signed integer N/A N/A 0 to 4 N/A
data_quality_2 Data Quality Indicators for radiance_2 N/A 8-bit signed integer N/A N/A 0 to 4 N/A
data_quality_3 Data Quality Indicators for radiance_3 N/A 8-bit signed integer N/A N/A 0 to 4 N/A
data_quality_4 Data Quality Indicators for radiance_4 N/A 8-bit signed integer N/A N/A 0 to 4 N/A
data_quality_5 Data Quality Indicators for radiance_5 N/A 8-bit signed integer N/A N/A 0 to 4 N/A
height Surface Height Meters 32-bit floating point N/A N/A N/A N/A
latitude Latitude Degree 64-bit floating point N/A N/A -90 to 90 N/A
longitude Longitude Degree 64-bit floating point N/A N/A -180 to 180 N/A
radiance_1 TIR 8.285 microns W/m²/sr/μm 32-bit floating point -9999 to -9997 N/A N/A N/A
radiance_2 TIR 8.785 microns W/m²/sr/μm 32-bit floating point -9999 to -9997 N/A N/A N/A
radiance_3 TIR 9.060 microns W/m²/sr/μm 32-bit floating point -9999 to -9997 N/A N/A N/A
radiance_4 TIR 10.522 microns W/m²/sr/μm 32-bit floating point -9999 to -9997 N/A N/A N/A
radiance_5 TIR 12.001 microns W/m²/sr/μm 32-bit floating point -9999 to -9997 N/A N/A N/A
solar_azimuth Solar azimuth angle Degree 32-bit floating point -9997 N/A -180 to 180 N/A
solar_zenith Solar zenith angle Degree 32-bit floating point -9997 N/A -90 to 90 N/A
swir_dn Uncalibrated SWIR data with Dark Current subtracted N/A 16-bit signed integer -9999 to -9997 N/A N/A N/A
view_azimuth View azimuth angle Degree 32-bit floating point -9997 N/A -180 to 180 N/A
view_zenith View zenith angle Degree 32-bit floating point -9997 N/A -90 to 90 N/A

Fill Value Classes

Value Description
-9997 Pixel not seen
-9998 Missing data due to striping (not filled in)
-9999 Missing/bad data

Data Quality Classes

Value Description
0 Good
1 Missing stripe data, filled in
2 Missing stripe data, not filled in
3 Missing/bad data
4 Not seen

Product Quality

Quality information for the ECO1BMAPRAD Version 1 data product is not provided.

Known Issues

  • Data acquisition gap: ECOSTRESS was launched on June 29, 2018, and moved to autonomous science operations on August 20, 2018, following a successful in-orbit checkout period. On September 29, 2018, ECOSTRESS experienced an anomaly with its primary mass storage unit (MSU). ECOSTRESS has a primary and secondary MSU (A and B). On December 5, 2018, the instrument was switched to the secondary MSU and science operations resumed. On March 14, 2019, the secondary MSU experienced a similar anomaly temporarily halting science acquisitions. On May 15, 2019, a new data acquisition approach was implemented and science acquisitions resumed. To optimize the new acquisition approach TIR bands 2, 4 and 5 are being downloaded. The data products are as previously, except the bands not downloaded contain fill values (L1 radiance and L2 emissivity). This approach was implemented from May 15, 2019, through April 28, 2023.

  • Data acquisition gap: From February 8 to February 16, 2020, an ECOSTRESS instrument issue resulted in a data anomaly that created striping in band 4 (10.5 micron). These data products have been reprocessed and are available for download. No ECOSTRESS data were acquired on February 17, 2020, due to the instrument being in SAFEHOLD. Data acquired following the anomaly have not been affected.

  • Resampled data: The data has been resampled, so users interested in working with data closest to that acquired by the instrument may want to work with the swath products.

  • Missing scan data: During testing, an instrument artifact was encountered in ECOSTRESS bands 1 and 5, resulting in missing values. A machine learning algorithm has been applied to interpolate missing values. For more information on the missing scan filling techniques and outcomes, see section 3.3.2 of the User Guide.

  • Cold bias: ECOSTRESS Level-1 Radiance data shows high correlation with in-situ ground measurements (R2 = 0.99 in all bands). Currently, ECOSTRESS has a cold bias of approximately 0.7 Kelvin (K), which will be corrected through calibration in future data releases.

  • Data acquisition: ECOSTRESS has now successfully returned to 5-band mode after being in 3-band mode since 2019. This feature was successfully enabled following a Data Processing Unit firmware update (version 4.1) to the payload on April 28, 2023. To better balance contiguous science data scene variables, 3-band collection is currently being interleaved with 5-band acquisitions over the orbital day/night periods.

About the image

ECOSTRESS Resampled Radiance band 1-3-4 data from the ECO1BMAPRAD product over Central Valley, California, United States, acquired on August 5, 2018.

View full-size image


User Guide

Calibration Algorithm Theoretical Basis Document (ATBD)

Geolocation Algorithm Theoretical Basis Document (ATBD)

Product Specification Document (PSD)

Radiance Algorithm Specification Document (ASD)

Geolocation Algorithm Specification Document (ASD)

Earthdata Search Quick Guide

Using the Data

Access Data