Journal of Geophysical Research F: Earth Surface
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Repeated surveys reveal nontectonic exposure of supposedly active normal faults in the central Apennines, Italy
Journal of Geophysical Research F: Earth Surface - Tập 122 Số 1 - Trang 114-129 - 2017
AbstractWe investigate the geomorphic processes that expose bedrock fault
surfaces from under their slope‐deposit cover in the central Apennines (Italy).
These bedrock fault surfaces are generally located at various heights on
mountain fronts above the local base level of glacio‐fluvial valleys and
intermountain fluvio‐lacustrine basins and are laterally confined to the extent
of related mountain ...
A generalized equilibrium model for predicting daily to interannual shoreline response
Journal of Geophysical Research F: Earth Surface - Tập 119 Số 9 - Trang 1936-1958 - 2014
AbstractCoastal zone management requires the ability to predict coastline
response to storms and longer‐term seasonal to interannual variability in
regional wave climate. Shoreline models typically rely on extensive historical
observations to derive site‐specific calibration. To circumvent the challenge
that suitable data sets are rarely available, this contribution utilizes twelve
5+ year shoreli...
Acoustic and Microseismic Characterization in Steep Bedrock Permafrost on Matterhorn (CH)
Journal of Geophysical Research F: Earth Surface - Tập 123 Số 6 - Trang 1363-1385 - 2018
Understanding of processes and factors influencing slope stability is essential
for assessing the stability of potentially hazardous slopes. Passive monitoring
of acoustic emissions and microseismology provides subsurface information on
fracturing (timing and identification of the mechanism) and therefore complement
surface displacement data. This study investigates for the first time acoustic
and...
Numerical simulation of bar and island morphodynamics in anabranching megarivers
Journal of Geophysical Research F: Earth Surface - Tập 118 Số 4 - Trang 2019-2044 - 2013
Post‐LGM Grounding‐Line Positions of the Bindschadler Paleo Ice Stream in the Ross Sea Embayment, Antarctica
Journal of Geophysical Research F: Earth Surface - Tập 122 Số 10 - Trang 1827-1844 - 2017
AbstractThe West Antarctic Ice Sheet (WAIS) retreated more than 1,000 km since
last grounding at the Ross Sea outer continental shelf. Here we show an
interpretation of former grounding line positions from a new large‐area
multibeam survey and a regional grid of chirp cross‐sectional data from the
Whales Deep Basin in eastern Ross Sea. The basin is a paleo‐glacial trough that
was occupied by the B...
Understanding controls on rapid ice‐stream retreat during the last deglaciation of Marguerite Bay, Antarctica, using a numerical model
Journal of Geophysical Research F: Earth Surface - Tập 119 Số 2 - Trang 247-263 - 2014
AbstractUsing a one‐dimensional numerical model of ice‐stream flow with robust
grounding‐line dynamics, we explore controls on paleo‐ice‐stream retreat in
Marguerite Bay, Antarctica, during the last deglaciation. Landforms on the
continental shelf constrain the numerical model and suggest that retreat was
rapid but punctuated by a series of slowdowns. We investigate the sensitivity of
ice‐stream r...
Thawing of massive ground ice in mega slumps drives increases in stream sediment and solute flux across a range of watershed scales
Journal of Geophysical Research F: Earth Surface - Tập 118 Số 2 - Trang 681-692 - 2013
AbstractIce‐cored permafrost landscapes are highly sensitive to disturbance and
have the potential to undergo dramatic geomorphic transformations in response to
climate change. The acceleration of thermokarst activity in the lower Mackenzie
and Peel River watersheds of northwestern Canada has led to the development of
large permafrost thaw slumps and caused major impacts to fluvial systems.
Indivi...
Flow patterns and morphology of a prograding river delta
Journal of Geophysical Research F: Earth Surface - Tập 121 Số 2 - Trang 372-391 - 2016
AbstractThe transition of flow between laterally confined channels and the
unchannelized delta front controls the morphodynamic evolution of river deltas
but has rarely been measured at the field scale. We quantify flow patterns and
bathymetry that define the evolution of the subaqueous delta front on the Wax
Lake Delta, a rapidly prograding delta in coastal Louisiana. A significant
portion of flo...
Decadal‐Scale Riverbed Deformation and Sand Budget of the Last 500 km of the Mississippi River: Insights Into Natural and River Engineering Effects on a Large Alluvial River
Journal of Geophysical Research F: Earth Surface - Tập 123 Số 5 - Trang 874-890 - 2018
AbstractAlluvial rivers are shaped by interactions of flow and sediment
transport. Their lower reaches to the world's oceans are highly dynamic, often
presenting engineering and management challenges. Here we analyzed over 6,000
single‐beam cross‐sectional measurements surveyed in 1992, 2004, and 2013 in the
last 500‐km reach of the highly engineered Mississippi River, also known as the
lowermost ...
Geomorphic constraints on fault throw rates and linkage times: Examples from the Northern Gulf of Evia, Greece
Journal of Geophysical Research F: Earth Surface - Tập 120 Số 1 - Trang 137-158 - 2015
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