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Description

This ancillary SMAP product contains six dynamic data sets originally produced by NOAA or NOAA-affiliated organizations.
1) NCEP Geophysical Forecast System modeled data provided in 6-hour time steps
2) Daily Reynolds Sea Surface Temperature data
3) Snow Cover data from NOAA Interactive Multisensor Snow and Ice Mapping System
4) NOAA Solar Radio Flux
5) GPS-derived total electron content used to compute the Faraday rotation correction for the SMAP radar
6) Instantaneous wave height measures

Product Summary

Platforms
NOT APPLICABLE
Instruments
NOT APPLICABLE
Spatial Extent

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

Geographic Region
GLOBAL LAND
Coordinate System
CARTESIAN
Granule Spatial Representation
NO_SPATIAL
Temporal Extent
2015-01-31 to Present
Concept ID
C3412873981-NSIDC_CPRD
Data State
ACTIVE
Number of Files/Granules
122828
Processing Level
NA
Science Keywords
Ice Fraction ,
Sea Surface Temperature ,
Significant Wave Height ,
Snow Cover ,
Solar Radio Wave Emissions

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

Peng, J., Mohammed, P., Chaubell, J., Chan, S., Kim, S., Das, N., Dunbar, S., Bindlish, R., & Xu, X. (2019). Soil Moisture Active Passive (SMAP) L1-L3 Ancillary NOAA Data, Version 1 [Data set]. NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/6PD81ZNAOGMN Date Accessed: 2025-12-13

Documents

USER'S GUIDE

GENERAL DOCUMENTATION