Skip to main content

Description

The Derived Vegetation Water Content used by the NASA-ISRO Synthetic Aperture Radar (NISAR) Mission collection contains vegetation water content products used for creation of products from the NISAR mission. Vegetation water content (VWC) ancillary serves two purposes in the soil moisture algorithms: (1) to correct for the effect by vegetation during retrieval by the physical model inversion approach (2) to flag heavily-vegetated regions where the retrievals are deemed not so reliable such as forest.

The products provided are interpolated to 200 meters using the the daily climatology of 1-km resolution VWC generated by the SMAP project derived from MODIS data.

Product Summary

Platforms
Terra
Instruments
MODIS
Spatial Extent

N: 79 S: -60 E: 180 W: -180

Spatial Resolution
200 Meters x 200 Meters
Coordinate System
CARTESIAN
Granule Spatial Representation
CARTESIAN
Temporal Extent
2022-10-31
Data Partner
Alaska Satellite Facility (ASF) ,
NASA-ISRO SAR Mission, Jet Propulsion Laboratory, NASA (NASA/JPL/NISAR)
Concept ID
C4066106685-ASF
Data State
COMPLETE
Number of Files/Granules
366
Processing Level
3
Science Keywords
Vegetation Water Content

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

NASA/JPL/NISAR. (2026). Derived Vegetation Water Content used by the NASA-ISRO Synthetic Aperture Radar (NISAR) Mission [Data set]. NASA Alaska Satellite Facility Distributed Active Archive Center. https://doi.org/10.5067/NIVWC-1 Date Accessed: 2026-05-23

Documents