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Calibration03

Airborne imaging spectrometer data collected for characterizing mineral resources near Nabesna, Alaska, 2014

Dates

Publication Date
Start Date
2014-07-14
End Date
2014-07-21

Citation

Kokaly, R.F., Hoefen, T.M., King, T.V.V., and Johnson, M.R., 2017, Airborne imaging spectrometer data collected for characterizing mineral resources near Nabesna, Alaska, 2014: U.S. Geological Survey data release, https://doi.org/10.5066/F7DN435W.

Summary

Imaging spectrometer (hyperspectral) data were collected using the HyMap™ sensor over the Nabesna Area of Interest (AOI) in the eastern Alaska Range, July 14 and July 21, 2014. The primary study area was a remote part of the eastern Alaska Range where porphyry deposits are exposed. The HyMap imaging spectrometer measured reflected sunlight in 126 narrow channels spanning the 0.4 to 2.5 micron wavelength region of the electromagnetic spectrum. The data were collected at a nominal 6-m ground-instantaneous field of view (GIFOV). A total 1,900 square kilometers were collected. This data release provides flight line data for the survey and a report describing the dataset and procedures.

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Purpose

The hyperspectral survey was flown as one component of a U.S. Geological Survey (USGS) mineral resource project with the goals of enhancing geologic mapping and developing methods to identify and characterize mineral deposits elsewhere in Alaska. Hyperspectral surveying is one method that can be used to rapidly acquire data about the distributions of surficial materials, including different types of bedrock and ground cover.

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