Confluence Retirement

In an effort to consolidate USGS hosted Wikis, myUSGS’ Confluence service is scheduled for retirement on January 27th, 2023. The official USGS Wiki and collaboration space is now SharePoint. Please migrate existing spaces and content to the SharePoint platform and remove it from Confluence at your earliest convenience. If you need any additional information or have any concerns about this change, please contact Thank you for your prompt attention to this matter.
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Description: A community of people interested in sharing and discussing hyperspectral data.

Points Of Contact: Ray Kokaly (, Itiya Aneece, Zhuoting Wu, Chris Crawford

To join, add yourself to the list at 


Meetings are on Fridays, and usually announced on the Microsoft Team space.

Most activity is in the Microsoft Hyperspectral Community Team (accessible to Dept of Int)

February 12, 2021

Why instrument radiometric linearity, repeatability, and stability matters: experiences measuring Earth's brightest medium, snow

Spectral and chemical measurement of cryospheric and aquatic end members toward algorithm development

Christopher Crawford, USGS

Kimberly Casey, USGS

January 8, 2021Hyperspectral Microscopy of Harmful Algal Blooms; Earth observation monitoring of harmful algal blooms in Texas reservoirs; Cyanobacteria Assessment Network (CyAN) Update 2021: Finding Cyanobacteria Blooms in Large Lakes and ReservoirsTerry Slonecker (USGS); Victoria G. Stengel (USGS); Keith Loftin (USGS)
December 4, 2020Performance evaluation of lab, field, and imaging spectrometers: Verifying wavelength, bandpass, and radiometric characteristicsRay Kokaly, USGS

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