SMEX02 Watershed Vegetation Sampling Data for Walnut Creek, Iowa

Vegetation parameters collected during the Soil Moisture Experiment 2002 (SMEX02) in the Walnut Creek watershed. The dataset is managed by the NSIDCV0 organization and was part of a focused field campaign in 2002. Data files are available in BIN, ISO, and HTML formats.

Use Cases

• Analyzing relationships between soil moisture and vegetation biomass metrics.
• Calibrating remote sensing algorithms for vegetation indices like NDVI using ground-truth leaf characteristics.
• Studying spatial patterns of vegetation cover and plant characteristics within an agricultural watershed.

Strengths

• Data originates from a controlled, well-documented field experiment (Soil Moisture Experiment 2002).
• Cross-platform presence on NASA EarthData and Data.gov indicates established use and curation.

Limitations

• Critical metadata conflicts exist: last updated date is listed as both 2002-07-09 and 2026-03 12 across different entries.
• No column names, row counts, or specific sample sizes are provided in any source description.

Provenance

Source

NSIDCV0 (National Snow and Ice Data Center V0)

Collection Method

Field sampling as part of the Soil Moisture Experiment 2002 (SMEX02).

Time Range

2002

Freshness

2026-03-12 21:20:34.946194

Geography

Walnut Creek watershed, Iowa, USA