Results 81 to 90 of about 2,884 (212)

Controls on Valley‐Floor Width in the Western Andes

Journal of Geophysical Research: Earth Surface, Volume 131, Issue 6, June 2026.
Abstract River‐valley floors are low relief, confined parts of the landscape that store sediment en route from mountains to lowlands. Transient sediment storage influences sediment budgets, biogeochemical cycles, and the preservation of environmental signals. The controls on valley‐floor width remain poorly understood, limiting the ability to reproduce
S. Tofelde, F. J. Clubb, B. Bookhagen
wiley   +1 more source

Linked Canyons and Fans Communicate Through a Migrating Bedrock‐Alluvial Transition

Journal of Geophysical Research: Earth Surface, Volume 131, Issue 6, June 2026.
Abstract Net‐erosional fluvial landscapes are often treated separately from net‐depositional fluvial landscapes. Yet these landscapes are often tightly linked by means of a moving‐boundary bedrock‐alluvial transition. We consider a linked canyon‐fan system in a Basin and Range province, basing our work loosely on Rainbow Canyon and Panamint Valley, USA.
Li Zhang, Gary Parker, Jeffrey Nittrouer, Xudong Fu, Shanghong Zhang, Guangqian Wang   +5 more
wiley   +1 more source

Sensitivity of Soil Chemical Erosion Rate to Climate and Dust Along a 2.8‐km Elevation Transect at San Jacinto Mountain, California

Journal of Geophysical Research: Earth Surface, Volume 131, Issue 6, June 2026.
Abstract Chemical weathering is of wide interest because it breaks down minerals, releases nutrients, weakens rock, and draws down atmospheric CO2. To quantify the sensitivity of soil chemical erosion rate to climate and dust, we measured soil chemical erosion rate, dust deposition rate, and soil climate at 18 ridgetop sites along a ∼2.8‐km elevation ...
Kai Hu, Ken L. Ferrier, Sarah M. Aarons, Emmet Norris, Rain Blankenship, Shaun Marcott, Rachel Breunig, Gregory Ruetenik, Ian Peters, Elizabeth Ceperley   +9 more
wiley   +1 more source

The Decline of a Caldera‐Filling Glacier at Volcán Sollipulli, Chile

Journal of Geophysical Research: Earth Surface, Volume 131, Issue 6, June 2026.
Abstract Southern Andean glaciers have undergone fast retreat in recent decades. This results in reduced freshwater storage, contribution to sea‐level rise, and locally to the formation of glacial lakes, that may pose the risk of glacial lake outburst floods (GLOFs).
J. E. Arndt, M. Somos, S. Navas, D. Farías‐Barahona, A. Rivera, H. Xie, A. Fernández   +6 more
wiley   +1 more source

First Direct Observations of Internal Flow Structures in a Powder Snow Avalanche: Turbulence, Instability and Particle Distribution

Journal of Geophysical Research: Earth Surface, Volume 131, Issue 6, June 2026.
Abstract Powder snow avalanches are highly dynamic, multiphase gravity‐driven flows typically composed of a dense basal layer overlain by airborne layers in which snow particles are suspended within a turbulent air phase. Despite extensive work on related systems such as pyroclastic density currents and turbidity currents, all gravity current studies ...
I. Calic, F. Coletti, B. Sovilla
wiley   +1 more source

Local Characteristics of Sand Wave Patterns Are Governed by Underlying Sand Bank: A Linear Stability Approach

Journal of Geophysical Research: Earth Surface, Volume 131, Issue 6, June 2026.
Abstract Tidal sand waves are dynamic bedforms, observed in shelf seas. In some cases they co‐exist with tidal sand banks, larger‐scale bed features. Sand wave characteristics then vary over the sand bank, migrating anti‐cyclonically around the bank. Yet, little is known about the processes behind sand wave formation on a sand bank characterized by a ...
Laura Portos‐Amill, Pieter C. Roos, Henk M. Schuttelaars, Suzanne J. M. H. Hulscher   +3 more
wiley   +1 more source

Reactivation Mechanism of Dormant Earthflows: Insights From the San Benedetto Landslide (Northern Apennines, Italy)

Journal of Geophysical Research: Earth Surface, Volume 131, Issue 6, June 2026.
Abstract Earthflows are landslides in fine‐grained materials that alternate long dormant phases of very slow movement with short paroxysmal stages of rapid motion. These rapid phases are highly destructive, often causing severe damage to buildings and infrastructure.
M. Berti, N. Dal Seno, A. Zuccarini, M. Bartola, R. Carboni, A. Fantini, L. Monti, M. Musolesi, A. Santoni, G. Caputo, L. Zamboni, G. Ciccarese   +11 more
wiley   +1 more source

Author Correction: Volatile resorption expedites eruption onset in large silicic systems. [PDF]

Nat Commun
Keller F, Townsend M, Troch J, Huber C.
europepmc   +1 more source

Editorial: Field Data, Models and Uncertainty in Hazard Assessment of Pyroclastic Density Currents and Lahars: Global Perspectives

Frontiers in Earth Science, 2021
Pablo Tierz, Andrea Bevilacqua, Stuart Mead, Elaine Spiller, Laura Sandri   +4 more
doaj   +1 more source

Eruption Source Parameters in Volcanic Plume Modeling: Advances, Challenges, and Future Directions

Reviews of Geophysics, Volume 64, Issue 2, June 2026.
Abstract Accurately predicting the atmospheric dispersion of volcanic ash and gases is crucial for both scientific understanding and hazard mitigation. Estimating Eruption Source Parameters (ESP), such as mass eruption rate, plume height, duration, and particle size distribution and properties, remains challenging due to the complex nature of volcanic ...
A. Costa, A. Folch, Y. J. Suzuki, L. Mingari, G. Macedonio   +4 more
wiley   +1 more source