SMEX03 Microwave Brightness Temperature Data for Oklahoma

2003 data provides brightness temperature measurements from the SSM/I sensor collected during the Soil Moisture Experiment 2003 (SMEX03) in Oklahoma. The dataset is managed by the National Snow and Ice Data Center (NSIDC). It supports research into soil moisture retrieval and land surface modeling.

Use Cases

• Validating soil moisture models using microwave brightness temperature as an input.
• Analyzing the relationship between land surface conditions and observed passive microwave signatures.
• Calibrating or comparing newer satellite soil moisture products against historical SSM/I observations.

Strengths

• Data originates from a focused field experiment (SMEX03) designed for soil moisture validation.
• Cross-platform presence on NASA Earthdata and Data.gov indicates recognized importance and curation.

Limitations

• Specific column names, row counts, and dataset size are not provided by any source.
• Sources conflict on the last update date: one lists 2003-09-23, while others list 2026 03-12, suggesting a metadata update versus data creation conflict.

Provenance

Source

National Snow and Ice Data Center (NSIDC)

Collection Method

Acquired by the Special Sensor Microwave/Imager (SSM/I) satellite sensor during the SMEX03 field campaign.

Time Range

2003

Freshness

2026-03-12 21:19:13.191081

Geography

Oklahoma, USA