of Greenland. They are found in high latitude and high alpine glaciers where sediment is
transported onto the glacier surface, causing differential ablation. While studied periodically
since 1870, in the last decade there has been a resurgence of interest in understanding the
hydrology, biogeochemistry and ecology of cryoconite holes, and so it is timely to take stock
of the current state of understanding, and to compile a roadmap for future endeavours. This …