SMEX03 Soil and Climate Measurements from Georgia SCAN Station

Soil and atmospheric data were collected from a Soil Climate Analysis Network station in Little River, Georgia, USA, during the Soil Moisture Experiment 2003 (SMEX03). The dataset covers a two-month period from June 1 to July 31, 2003, and was produced by the National Aeronautics and Space Administration. It includes measurements of soil moisture, soil temperature, precipitation, air temperature, humidity, wind speed, and wind direction.

Use Cases

• Validating satellite-based soil moisture retrieval algorithms using ground-truth soil moisture and temperature measurements.
• Analyzing the relationship between precipitation events and subsequent changes in soil water content.
• Studying diurnal and seasonal variations in near-surface atmospheric conditions (air temperature, humidity, wind) over an agricultural region.
• Calibrating or evaluating hydrological and land surface models with a time-series of co-located soil and weather variables.

Strengths

• Data originates from a controlled field experiment (SMEX03) designed for soil moisture validation.
• Provides co-located, simultaneous measurements of multiple key soil and atmospheric variables.
• Covers a continuous two-month observation period (June 1 - July 31, 2003) during a critical growing season.

Limitations

• The exact number of data rows, file size, and specific column names are not provided by any source.
• Sources conflict on the last updated date: one platform lists 2003-07-31, while another lists a future date of 2026-03 12.

Provenance

Source

National Aeronautics and Space Administration (NASA)

Collection Method

In-situ sensor measurements from a Soil Climate Analysis Network (SCAN) station.

Time Range

2003-06-01 to 2003-07-31

Freshness

2003-07-31 23:59:59.999000

Geography

Little River, Georgia, USA