SMAPVEX19-22: Plant Area Index and RGB Images from Massachusetts Forest

SMAPVEX19-22 field campaign data includes plant area index (PAI) values and the RGB images used to derive them. The data were collected between April 2019 and December 2022 near Petersham, Massachusetts. The NSIDC_CPRD organization produced this dataset to support validation of satellite-derived soil moisture estimates in forested areas.

Use Cases

• Validate satellite-derived soil moisture estimates based on ground-measured plant area index.
• Analyze seasonal changes in forest canopy structure based on the multi-year time series.
• Develop or calibrate models linking RGB imagery to plant area index based on the paired data.
• Study forested land cover characteristics in Massachusetts based on the described location.

Strengths

• Data collection spans a multi-year period from April 2019 to December 2022.
• Focus on a specific, forested land cover type relevant to the SMAPVEX19-22 experiment goals.
• Includes both derived PAI values and the source RGB images, allowing for method verification.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Last updated 2022-12-01 23:59:59.999000; freshness should be verified.

Provenance

Source

NSIDC_CPRD via nasa_earthdata.

Collection Method

Field campaign data collection during SMAPVEX19-22.

Time Range

April 2019 to December 2022.

Freshness

Last updated 2022-12-01 23:59:59.999000.

Geography

Vicinity of Petersham, Massachusetts, USA.