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] Antarctica ice sheet basal melting enhanced by high mantle heat

IM Artemieva - Earth-science reviews, 2022 - Elsevier
Antarctica is losing ice mass by basal melting associated with processes in deep Earth and
reflected in geothermal heat flux. The latter is poorly known and existing models based on …

Predicting geothermal heat flow in Antarctica with a machine learning approach

M Lösing, J Ebbing - Journal of Geophysical Research: Solid …, 2021 - Wiley Online Library
We present a machine learning approach to statistically derive geothermal heat flow (GHF)
for Antarctica. The adopted approach estimates GHF from multiple geophysical and …

A geothermal heat flux map of Antarctica empirically constrained by seismic structure

W Shen, DA Wiens, AJ Lloyd… - Geophysical Research …, 2020 - Wiley Online Library
The geothermal heat flux (GHF) is an important boundary condition for modeling the
movement of the Antarctic ice sheet but is difficult to measure systematically at a continental …

[HTML][HTML] Relative humidity: A control valve of the steam engine climate

R Feistel, O Hellmuth - Journal of Human, Earth, and Future, 2021 - hefjournal.org
In the words of Heinrich Hertz in 1885, the Earth is a “gigantic steam engine”. On average, of
the planet's cross section exposed to sunlight, 72% belong to the global ocean. With a delay …

Trigger mechanisms of gas hydrate decomposition, methane emissions, and glacier breakups in polar regions as a result of tectonic wave deformation

LI Lobkovsky, AA Baranov, MM Ramazanov… - Geosciences, 2022 - mdpi.com
Trigger mechanisms are proposed for gas hydrate decomposition, methane emissions, and
glacier collapse in polar regions. These mechanisms are due to tectonic deformation waves …

Antarctic geothermal heat flow model: Aq1

T Stål, AM Reading, JA Halpin… - Geochemistry …, 2021 - Wiley Online Library
We present a refined map of geothermal heat flow for Antarctica, Aq1, based on multiple
observables. The map is generated using a similarity detection approach by attributing …

[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 …

The seismic structure of the Antarctic upper mantle

DA Wiens, W Shen, AJ Lloyd - 2023 - pubs.geoscienceworld.org
The deployment of seismic stations and the development of ambient noise tomography as
well as new analysis methods provide an opportunity for higher-resolution imaging of …

On the relation between basal erosion of the lithosphere and surface heat flux for continental plume tracks

BH Heyn, CP Conrad - Geophysical Research Letters, 2022 - Wiley Online Library
While hotspot tracks beneath thin oceanic lithosphere are visible as volcanic island chains,
the plume‐lithosphere interaction for thick continental or cratonic lithosphere often remains …