Achievements and prospects of global broadband seismographic networks after 30 years of continuous geophysical observations

AT Ringler, RE Anthony, RC Aster… - Reviews of …, 2022 - Wiley Online Library
Global seismographic networks (GSNs) emerged during the late nineteenth and early
twentieth centuries, facilitated by seminal international developments in theory, technology …

Fiber-optic seismic sensing of vadose zone soil moisture dynamics

Z Shen, Y Yang, X Fu, KH Adams, E Biondi… - Nature …, 2024 - nature.com
Vadose zone soil moisture is often considered a pivotal intermediary water reservoir
between surface and groundwater in semi-arid regions. Understanding its dynamics in …

Seismic Noise Interferometry and Distributed Acoustic Sensing (DAS): Inverting for the Firn Layer S‐Velocity Structure on Rutford Ice Stream, Antarctica

W Zhou, A Butcher, AM Brisbourne… - Journal of …, 2022 - Wiley Online Library
Firn densification profiles are an important parameter for ice‐sheet mass balance and
palaeoclimate studies. One conventional method of investigating firn profiles is using …

Firn on ice sheets

Nature Reviews Earth & Environment, 2024 - nature.com
Most of the Greenland and Antarctic ice sheets are covered with firn—the transitional
material between snow and glacial ice. Firn is vital for understanding ice-sheet mass …

Constraints on the cryohydrological warming of firn and ice in Greenland from Rayleigh wave ellipticity data

GA Jones, AMG Ferreira, B Kulessa… - Geophysical …, 2023 - Wiley Online Library
Rayleigh wave ellipticity measurements from seismic ambient noise recorded on the
Greenland Ice Sheet (GrIS) show complex and anomalous behavior at wave periods …

Borehole and surface applications of distributed acoustic sensing for characterization of the cryosphere and glacial environments

AM Brisbourne, TS Hudson… - … Acoustic Sensing in …, 2024 - Wiley Online Library
Early borehole and surface distributed acoustic sensing (DAS) experiments have
demonstrated the viability of the method in glacial settings and allowed new insights. The …

Shallow ice‐sheet composite structure revealed by seismic imaging near the West Antarctic ice sheet (WAIS) divide camp

Z Zhang, N Nakata, M Karplus… - Journal of Geophysical …, 2022 - Wiley Online Library
Small‐scale polar ice‐sheet composite structures can influence coarse‐grained climate
models. For example, surface melting can hydro‐fracture the ice and may eventually …

Near-surface seismic anisotropy in Antarctic glacial snow and ice revealed by high-frequency ambient noise

J Chaput, R Aster, M Karplus, N Nakata… - Journal of …, 2023 - cambridge.org
Ambient seismic recordings taken at broad locations across Ross Ice Shelf and a dense
array near West Antarctic Ice Sheet (WAIS) Divide, Antarctica, show pervasive temporally …

Signal characteristics of surface seismic explosive sources near the West Antarctic Ice Sheet divide

MS Karplus, N Nakata, GM Kaip, SH Harder… - Journal of …, 2024 - cambridge.org
Seismic imaging in 3-D holds great potential for improving our understanding of ice sheet
structure and dynamics. Conducting 3-D imaging in remote areas is simplified by using …

Seismic full-wavefield imaging of the West Antarctic Ice Sheet interior near the ice flow divide

Z Zhang, N Nakata, M Karplus, G Kaip, L Qin… - Earth and Planetary …, 2024 - Elsevier
The properties and behavior of the West Antarctic Ice Sheet through time are key to
understanding climate and sea level change in the near future. We analyze different types of …