Crustal Imaging and Characterization Team

Evaluation of Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) data formineral resource studies

Task Objectives

The primary objectives of this Task are:

1. Develop an accurate and reliable method for calibrating ASTER data.
2. Develop the full capabilities of ASTER data for application to mineral resource and geoenvironmental investigations.

Statement of Work

Continue the development of effective ASTER data calibration methods continues to be a primary goal of the Task. The application of field spectra measured at carefully selected calibration sites produces good results, but it is often impossible to obtain timely calibration spectra. Consequently, research will continue to be directed toward the application of atmospheric models, combined with calibration spectra derived from other sources, such as AVIRIS data, over well characterized areas. Wherever possible, testing of ASTER hydrothermal alteration mapping capabilities will be conducted over areas of current interest to the Mineral Resources Program and ongoing mineral resource assessments and geoenvironmental studies.

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