Figure 3. Model evaluation. (A) True color WorldView image of the Coppermine Peninsula region of Robert Island from 6th February 2023. Circles show the GPS sampling locations of in situ blooms, January and February 2023. (B) True color WorldView image of the Harmony Point region of Nelson Island from 3rd February 2021. (C, E) show cumulative modelled habitable snow for green snow algae (GSA) and red snow algae (RSA) on Robert Island. Points show the location of in situ observations of GSA (C) or RSA (E), color coded based on agreement with the BART model. (D, F) show observed GSA and RSA on 3rd February 2021 as well as cumulative modelled habitable snow between 1st November 2020 and 3rd February 2021. Remote sensed blooms are shown by overlain GSA (bright green pixels) and RSA (blue pixels) to allow comparison of modelled and observed blooms. Inset shows the South Shetland Islands, with the extent of a, c, and e shown in blue and b, d and f shown in red.
[7/8] Cette extension n’est pas anodine, car plus d’algues signifie plus de surfaces sombres qui accélèrent la fonte. Les scientifiques soulignent que ce cercle de rétroaction pourrait transformer les paysages polaires et influencer la biodiversité qui en dépend. #geography #snowalgae #Antarctica
