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Description

This ancillary SMAP product contains three dynamic Land Data Assimilation Systems (LDAS) data sets. These data sets include Brightness Temperature (TB) scaling parameters; catchment model parameters such as topographic statistics, soil texture, and soil hydraulic parameters; and LDAS L-band microwave radiative transfer model parameters.

Version Description

Initial release

Product Summary

Platforms
MODELS
Instruments
NOT APPLICABLE
Projects
SMAP Ancillary
Spatial Extent

N: 86.4 S: -86.4 E: 180 W: -180

Location
GLOBAL LAND
Coordinate System
CARTESIAN
Granule Spatial Representation
NO_SPATIAL
Temporal Extent
2015-01-31 to Present
Concept ID
C3252871193-NSIDC_CPRD
Data State
ACTIVE
Number of Files/Granules
148
Processing Level
NA
Published
Science Keywords
Brightness Temperature ,
Soil Texture

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

Reichle, R., Liu, Q., Ardizzone, J., De Lannoy, G., Koster, R., & Mahanama, S. (2019). Soil Moisture Active Passive (SMAP) L4 Soil Moisture Ancillary LDAS Parameters Files, Version 1 [Dataset]. NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/60QSXDPEL5DP Date Accessed: 2026-09-12

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