Jemma L. Wadham

TL;DR: Estimates of labile iron fluxes in meltwater are comparable with aeolian dust fluxes to the oceans surrounding Greenland and Antarctica, and are similarly expected to increase in a warming climate with enhanced melting.

TL;DR: In this article, rhodamine and sulphur hexafluoride tracers were injected into the drainage system over three melt seasons, to observe subglacial drainage properties and evolution beneath the Greenland Ice Sheet, up to 57 km from the margin.

TL;DR: In this article, the authors measured hydrological parameters in meltwater draining from an outlet glacier in west Greenland to investigate seasonal changes in the structure and behaviour of the hydrologogical system of a large catchment in the Greenland ice sheet (GrIS).

TL;DR: The results demonstrate the potential for methane hydrate accumulation in Antarctic sedimentary basins, where the total inventory depends on rates of organic carbon degradation and conditions at the ice-sheet bed, and calculate that the sub-Antarctic hydrate inventory could be of the same order of magnitude as that of recent estimates made for Arctic permafrost.

TL;DR: It is shown that heavily pigmented, actively photosynthesising microalgae and cyanobacteria are present on the bare ice, and the widespread abundance of green algae in the Zygnematophyceae on the ice sheet surface in Southwest Greenland.