Summer 2010 spectral reflectance measurements were taken at each meter of the NIMS grid in Atqasuk, Alaska, about 50 meters south of ITEX dry sites. The data was collected by SCIOPS using a Unispec DC spectrometer with fiber optics sensors mounted on a tripod. Each scan had a sensor angle of 20 degrees and a calculated footprint cover of about 50-60 cm.
Use Cases
- Calibrating satellite remote sensing data based on ground-level spectral reflectance measurements.
- Analyzing vegetation health or soil properties based on spectral signatures collected at meter intervals.
- Studying spatial variability of surface reflectance within a controlled grid environment.
- Validating ecological models for Arctic tundra ecosystems based on detailed spectral data.
Strengths
- Measurements were taken at each meter of a defined grid, suggesting high spatial granularity.
- Instrumentation details are provided, including a Unispec DC spectrometer and tripod setup with bubble levels for precision.
- Specific geographic context is given: the NIMS grid in Atqasuk, Alaska, situated 50 meters south of ITEX dry sites.
Limitations
- Description metadata is limited; actual data quality requires manual inspection after download.
- Column-level documentation is absent; field semantics must be inferred after download.
- Last updated 2010-08-16 23:59:59.999000; freshness should be verified.
Provenance
- Source
- SCIOPS
- Collection Method
- Spectral measurements taken with a Unispec DC spectrometer mounted on a tripod, aimed at plots from the edge of white boards.
- Time Range
- Summer 2010
- Geography
- Atqasuk, Alaska, specifically the NIMS grid.