Description
The Headwall Hyperspectral Reflectance data are for the Long-Term Ecological Research (LTER) at Cedar Creek Ecosystem Science Reserve (CCESR), Minnesota (HWHYPCCMN1MM). The reflectance products are at 1 millimeter (mm) spatial resolution in the 400 to 1,000 nanometer spectral range. This dataset can be used to understand the optical diversity-biodiversity relationship and investigate the spatial sensitivity of the relationship at local scales.
A Headwall Series E imaging spectrometer was mounted on a tram system to collect designated plots for the biodiversity (BioDIV) experiment at the LTER Cedar Creek site. The imaging spectrometer, located 3 meters above the ground surface, obtained 1 mm ground pixel size of hyperspectral field image cubes that are among the finest spatial resolution available. The fine-scale images were acquired at a prairie grassland ecosystem during June/July 2014 and July 2015.
Provided in the HWHYPCCMN1MM product are 920 to 924 hyperspectral bands in an Environment for Visualizing Images (ENVI) format.
Citation
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Variables
The table below lists the variables contained within a single granule for thisdataset. Variables often contain observed or derived geophysical measurementscollected from a variety of sources, including remote sensing instruments onsatellite and airborne platforms, field campaigns, in situ measurements, andmodel outputs. The terms variable, parameter, scientific data set, layer, and bandhave been used across NASA’s Earth science disciplines; however, variable is thedesignated nomenclature in NASA’s Common Metadata Repository (CMR).Variable metadata attributes such as Name, Description, Units, Data Type, FillValue, Valid Range, and Scale Factor allow users to efficiently process and analyzethe data. The full range of attributes may not be applicable to all variables.Additional information on variable attributes is typically available in the data,user guide, and/or other product documentation.
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| Name Sort descending | Description | Units | Data Type | Fill Value | Valid Range | Scale Factor |
|---|---|---|---|---|---|---|
| Band 1-924 | Canopy reflectance | N/A | float32 | N/A | -10 to 100 | N/A |