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Assessing the Maximum Chlorophyll Index for Sentinel-2 at a broad scale
Citation:
Salls, W., B. Schaeffer, N. Pahlevan, M. Coffer, H. Ferriby, AND N. Von Tress. Assessing the Maximum Chlorophyll Index for Sentinel-2 at a broad scale. Pecora, Denver, CO, October 23 - 27, 2022.
Impact/Purpose:
Eutrophication of waterbodies represents an ongoing environmental and public health concern. Monitoring by satellite remote sensing has proven effective, but most sensors currently in use have a relatively coarse spatial resolution (~300 m); this limits monitoring efforts along shorelines—where most human recreational exposure occurs—and in small waterbodies. The Sentinel-2 satellite constellation delivers finer resolution (20 m), offering strong potential for managers and stakeholders concerned with the coarse nature of most operational satellite water quality products.
Description:
Chlorophyll a is often used to assess eutrophication and general ecological condition. The presentation will demonstrate calculation of a chlorophyll a algorithm called the Maximum Chlorophyll Index (MCI) using Sentinel-2 data. Additionally, performance of the MCI will be quantified using a suite of error metrics, and by assessing accuracy of trophic state identification.
