Fiber-optic seismic sensing of vadose zone soil moisture dynamics
Vadose zone soil moisture is often considered a pivotal intermediary water reservoir
between surface and groundwater in semi-arid regions. Understanding its dynamics in …
between surface and groundwater in semi-arid regions. Understanding its dynamics in …
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 …
material between snow and glacial ice. Firn is vital for understanding ice-sheet mass …
DAS-N2N: machine learning distributed acoustic sensing (DAS) signal denoising without clean data
This paper presents a weakly supervised machine learning method, which we call DAS-
N2N, for suppressing strong random noise in distributed acoustic sensing (DAS) recordings …
N2N, for suppressing strong random noise in distributed acoustic sensing (DAS) recordings …
Firn on ice sheets
A Humbert - Nature Reviews Earth & Environment, 2024 - epic.awi.de
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 …
material between snow and glacial ice. Firn is vital for understanding ice-sheet mass …
Fiber‐Optic Airplane Seismology on the Northeast Greenland Ice Stream
A Fichtner, C Hofstede, BL N. Kennett… - The Seismic …, 2023 - pubs.geoscienceworld.org
We present distributed fiber‐optic sensing data from an airplane landing near the EastGRIP
ice core drilling site on the Northeast Greenland Ice Stream. The recordings of exceptional …
ice core drilling site on the Northeast Greenland Ice Stream. The recordings of exceptional …
Array processing in cryoseismology: a comparison to network-based approaches at an Antarctic ice stream
Seismicity at glaciers, ice sheets, and ice shelves provides observational constraint on a
number of glaciological processes. Detecting and locating this seismicity, specifically …
number of glaciological processes. Detecting and locating this seismicity, specifically …
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 …
demonstrated the viability of the method in glacial settings and allowed new insights. The …
Borehole fibre-optic seismology inside the Northeast Greenland Ice Stream
A Fichtner, C Hofstede, L Gebraad… - Geophysical Journal …, 2023 - academic.oup.com
Ice streams are major contributors to ice sheet mass loss and sea level rise. Effects of their
dynamic behaviour are imprinted into seismic properties, such as wave speeds and …
dynamic behaviour are imprinted into seismic properties, such as wave speeds and …
Characterizing South Pole firn structure with fiber optic Sensing
The firn layer covers 98% of Antarctica's ice sheets, protecting underlying glacial ice from the
external environment. Accurate measurement of firn properties is essential for assessing …
external environment. Accurate measurement of firn properties is essential for assessing …
Urban subsurface exploration improved by denoising of virtual shot gathers from distributed acoustic sensing ambient noise
L Ehsaninezhad, C Wollin… - Geophysical Journal …, 2024 - academic.oup.com
Ambient noise tomography on the basis of distributed acoustic sensing (DAS) deployed on
existing telecommunication networks provides an opportunity to image the urban subsurface …
existing telecommunication networks provides an opportunity to image the urban subsurface …