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Description

These data consist of plant area index (PAI) and the RGB images from which the PAI values were derived. Data image files were taken between April 2019 to December 2022 in the vicinity of Petersham, Massachusetts during the SMAPVEX19-22 (Soil Moisture Active Passive Validation Experiment 2019-2022) field campaign. The location was chosen due to its forested land cover, as SMAPVEX19-22 aims to validate satellite derived soil moisture estimates in forested areas.

Product Summary

Platforms
GROUND-BASED OBSERVATIONS
Instruments
CAMERAS
Spatial Extent

N: 42.72 S: 42.32 E: -71.91 W: -72.33

Geographic Region
MASSACHUSETTS
Coordinate System
CARTESIAN
Granule Spatial Representation
GEODETIC
Temporal Extent
2019-04-01 to 2022-12-01
Concept ID
C3824944527-NSIDC_CPRD
Data State
COMPLETE
Number of Files/Granules
148840
Processing Level
Not provided
Science Keywords
PLANT AREA INDEX (PAI)

Citation

Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.

Copy Citation

Kraatz, S., Cosh, M. H., Kelly, V., Colliander, A., & Siqueira, P. R. (2025). SMAPVEX19-22 Massachusetts Plant Area Index, Version 1 [Data set]. NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/14BX4UOPEVRX Date Accessed: 2025-12-15

Documents

USER'S GUIDE

GENERAL DOCUMENTATION