Forest vulnerability to drought controlled by bedrock composition

RP Callahan, CS Riebe, LS Sklar, S Pasquet… - Nature …, 2022 - nature.com
Forests are increasingly threatened by climate-change-fuelled cycles of drought, dieback
and wildfires. However, for reasons that remain incompletely understood, some forest stands …

Geophysics‐informed hydrologic modeling of a mountain headwater catchment for studying hydrological partitioning in the critical zone

H Chen, Q Niu, A Mendieta, J Bradford… - Water Resources …, 2023 - Wiley Online Library
Hydrologic modeling has been a useful approach for analyzing water partitioning in
catchment systems. It will play an essential role in studying the responses of watersheds …

What do P-wave velocities tell us about the critical zone?

BA Flinchum, WS Holbrook, BJ Carr - Frontiers in Water, 2022 - frontiersin.org
Fractures in Earth's critical zone influence groundwater flow and storage and promote
chemical weathering. Fractured materials are difficult to characterize on large spatial scales …

Geologic and tectonic controls on deep fracturing, weathering, and water flow in the central California Coast Range

RP Callahan, MH Huang, A Donaldson… - Geophysical …, 2024 - Wiley Online Library
The creation of fractures in bedrock dictates water movement through the critical zone,
controlling weathering, vadose zone water storage, and groundwater recharge. However …

[HTML][HTML] Sediment size on talus slopes correlates with fracture spacing on bedrock cliffs: Implications for predicting initial sediment size distributions on hillslopes

JP Verdian, LS Sklar, CS Riebe… - Earth Surface …, 2021 - esurf.copernicus.org
The detachment of rock fragments from fractured bedrock on hillslopes creates sediment
with an initial size distribution that sets the upper limits on particle size for all subsequent …

2d near‐surface full‐waveform tomography reveals bedrock controls on critical zone architecture

BJ Ep**er, WS Holbrook, Z Liu… - Earth and Space …, 2024 - Wiley Online Library
For decades, seismic imaging methods have been used to study the critical zone, Earth's
thin, life‐supporting skin. The vast majority of critical zone seismic studies use traveltime …

Combined seismic and borehole investigation of the deep granite weathering structure—Santa Gracia Reserve case in Chile

R Trichandi, K Bauer, T Ryberg… - Earth Surface …, 2022 - Wiley Online Library
Imaging the critical zone at depth, where intact bedrock transforms into regolith, is critical in
understanding the interaction between geological and biological processes. We acquired a …

Catchment‐scale architecture of the deep critical zone revealed by seismic imaging

S Pasquet, J Marçais, JL Hayes, PB Sak… - Geophysical …, 2022 - Wiley Online Library
Weathering and erosion processes are crucial to Critical Zone (CZ) evolution, landscape
formation and availability of natural resources. Although many of these processes take place …

Vadose zone thickness limits pore‐fluid pressure rise in a large, slow‐moving earthflow

CR Murphy, NJ Finnegan… - Journal of Geophysical …, 2022 - Wiley Online Library
The rate and timing of hydrologically forced landslides is a complex function of precipitation
patterns, material properties, topography, and groundwater hydrology. In the simplest form …