Antarctic geothermal heat flow and its implications for tectonics and ice sheets

AM Reading, T Stål, JA Halpin, M Lösing… - Nature Reviews Earth & …, 2022 - nature.com
Geothermal heat flow (GHF) is an elusive physical property, yet it can reveal past and
present plate tectonic processes. In Antarctica, GHF has further consequences in predicting …

[HTML][HTML] Volcanism in Antarctica: An assessment of the present state of research and future directions

A Geyer, A Di Roberto, JL Smellie… - Journal of Volcanology …, 2023 - Elsevier
Over the past decades, significant efforts have been made to understand the nature,
dynamics and evolution of volcanic systems. In parallel, the continuous demographic …

Geological sketch map and implications for ice flow of Thwaites Glacier, West Antarctica, from integrated aerogeophysical observations

TA Jordan, S Thompson, B Kulessa, F Ferraccioli - Science Advances, 2023 - science.org
The geology beneath Thwaites Glacier, the Antarctic glacial catchment most vulnerable to
climate change, is unknown. Thwaites Glacier lies within the West Antarctic Rift System, but …

Feedback mechanisms controlling Antarctic glacial-cycle dynamics simulated with a coupled ice sheet–solid Earth model

T Albrecht, M Bagge, V Klemann - The Cryosphere, 2024 - tc.copernicus.org
The dynamics of the ice sheets on glacial timescales are highly controlled by interactions
with the solid Earth, ie, the glacial isostatic adjustment (GIA). Particularly at marine ice …

[HTML][HTML] Regional thermal anomalies derived from magnetic spectral analysis and 3D gravity inversion: Implications for potential geothermal sites in Tanzania

MM Didas, E Armadillo, GP Hersir, W Cumming… - Geothermics, 2022 - Elsevier
Tanzania is one of the several countries intersected by the East African Rift System (EARS)
endowed by a geothermal potential that has been explored only to a limited extent. Here we …

Sedimentary signatures of persistent subglacial meltwater drainage from Thwaites Glacier, Antarctica

AP Lepp, LM Simkins, JB Anderson, RW Clark… - Frontiers in Earth …, 2022 - frontiersin.org
Subglacial meltwater drainage can enhance localized melting along grounding zones and
beneath the ice shelves of marine-terminating glaciers. Efforts to constrain the evolution of …

Applying machine learning to characterize and extrapolate the relationship between seismic structure and surface heat flow

S Zhang, MH Ritzwoller - Geophysical Journal International, 2024 - academic.oup.com
Geothermal heat flow beneath the Greenland and Antarctic ice sheets is an important
boundary condition for ice sheet dynamics, but is rarely measured directly and therefore is …

Genomic profiling of Antarctic geothermal microbiomes using long-read, Hi-C, and single-cell techniques

NR Myeong, YH Choe, SC Shin, J Kim, WJ Sul, M Kim - Scientific data, 2024 - nature.com
Geothermal features in Antarctica provide favorable conditions for diverse microorganisms,
yet their genomic diversity remains poorly understood. Here, we present an integrated …

Pre-existing structural control on the recent Holuhraun eruptions along the Bárðarbunga spreading center, Iceland

A Døssing, ME Kolster, ELS da Silva, AR Muxworthy… - Scientific Reports, 2024 - nature.com
The active rift zones in Iceland provide unique insight into the geodynamic processes of
divergent plate boundaries. The geodynamics of Iceland are studied intensively, particularly …

Evaluation of six geothermal heat flux maps for the Antarctic Lambert-Amery glacial system

H Kang, L Zhao, M Wolovick… - The Cryosphere …, 2021 - tc.copernicus.org
Basal thermal conditions play an important role in ice sheet dynamics, and they are sensitive
to geothermal heat flux (GHF). Here we estimate the basal thermal conditions, including …