Imnavait Tundra Radiation and Canopy Measurements from 2011

Logger records from the NIMS platform at the Imnavait transect in August 2011 contain sensor data on radiation, temperature, and vegetation. The manually moved multisensor platform collected data along a transect approximately 50 meters long. The data was recorded by SCIOPS using a CR1000 logger.

Use Cases

• Analyze the relationship between distance_to_vegetation_canopy (SR50a) and upwelling_shortwave_radiation (CNR4) to model light interception.
• Model surface_temperature (SI-111) as a function of downwelling_longwave_radiation (CNR4) and air_temperature.
• Use spectral_reflection (Jaz Combo-2, GreenSeeker) data to estimate vegetation indices like NDVI for the transect.
• Study diurnal cycles in the energy budget by correlating upwelling and downwelling radiation components from the CNR4 net radiometer.

Strengths

• Data includes multiple synchronized sensor types (radiation, temperature, distance, spectral) for a single transect.
• Measurements cover a defined spatial scale with a transect length of approximately 50 meters.

Limitations

• Dataset size, temporal duration, and sample count are unknown.
• Data is from a single month (August 2011) and a single location, limiting generalizability.
• Manual movement of the sensor platform may introduce positional inaccuracies.

Provenance

Source

SCIOPS via NASA Earthdata

Collection Method

Field measurements recorded by a CR1000 data logger on a manually moved sensor trolley.

Time Range

August 2011

Geography

Imnavait transect, location unspecified (likely Alaska or similar Arctic tundra).