Steve Holbrook
Virginia Tech
Recent Activity
ABSTRACT:
These folders contain geophysical data from the Little Beaver Creek, CO site of the Bedrock Cluster of NSF's Critical Zone Collaboration Network. This project, funded by grant NSF EAR-2012353, aims to provide the scientific community with unprecedented access to, data from, and knowledge of the deep CZ and its feedbacks with surface processes. This project tests a simple conceptual model that CZ structure, evolution, and processes are strongly influenced by bedrock conditions at the base of the CZ, including mineralogy, ambient stress, and inherited fractures, and that deep CZ processes are in turn influenced by surface processes like erosion, subsurface flow, and ecosystem productivity.
Data included in this folders include seismic refraction data at Little Beaver Creek, CO, collected in the summer of 2023.
ABSTRACT:
These folders contain geophysical, geochemical, and geomorphological data from the San Jacinto, CA site of the Bedrock Cluster of NSF's Critical Zone Collaboration Network. This project, funded by grant NSF EAR-2012353, aims to provide the scientific community with unprecedented access to, data from, and knowledge of the deep CZ and its feedbacks with surface processes. This project tests a simple conceptual model: that CZ structure, evolution, and processes are strongly influenced by bedrock conditions at the base of the CZ, including mineralogy, ambient stress, and inherited fractures, and that deep CZ processes are in turn influenced by surface processes like erosion, subsurface flow, and ecosystem productivity.
Data included in this folder encompass seismic refraction, ground-penetrating radar (GPR), electrical resistivity, soil samples, downhole geophysical logs, magnetic data, electromagnetic data (EM), and trench measurements (Virtual CZ).
ABSTRACT:
These folders contain geophysical, geochemical, and geomorphological data from the South Carolina Piedmont site of the Bedrock Cluster of NSF's Critical Zone Collaboration Network. This project, funded by grant NSF EAR-2012353, aims to provide the scientific community with unprecedented access to, data from, and knowledge of the deep CZ and its feedbacks with surface processes. This project tests a simple conceptual model: that CZ structure, evolution, and processes are strongly influenced by bedrock conditions at the base of the CZ, including mineralogy, ambient stress, and inherited fractures, and that deep CZ processes are in turn influenced by surface processes like erosion, subsurface flow, and ecosystem productivity.
Data included in this folder encompass seismic refraction, ground-penetrating radar (GPR), electrical resistivity, soil samples, downhole geophysical logs, magnetic data, electromagnetic data (EM), and trench measurements (Virtual CZ).
ABSTRACT:
These folders contain geophysical data from the Boulder Creek, CO site of the Bedrock Cluster of NSF's Critical Zone Collaboration Network. This project, funded by grant NSF EAR-2012353, aims to provide the scientific community with unprecedented access to, data from, and knowledge of the deep CZ and its feedbacks with surface processes. This project tests a simple conceptual model: that CZ structure, evolution, and processes are strongly influenced by bedrock conditions at the base of the CZ, including mineralogy, ambient stress, and inherited fractures, and that deep CZ processes are in turn influenced by surface processes like erosion, subsurface flow, and ecosystem productivity.
Data included in this folder encompass seismic refraction and ground Lidar data.
ABSTRACT:
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ABSTRACT:
These folders contain geophysical, geochemical, and geomorphological data from the San Jacinto, CA site of the Bedrock Cluster of NSF's Critical Zone Collaboration Network. This project, funded by grant NSF EAR-2012353, aims to provide the scientific community with unprecedented access to, data from, and knowledge of the deep CZ and its feedbacks with surface processes. This project tests a simple conceptual model: that CZ structure, evolution, and processes are strongly influenced by bedrock conditions at the base of the CZ, including mineralogy, ambient stress, and inherited fractures, and that deep CZ processes are in turn influenced by surface processes like erosion, subsurface flow, and ecosystem productivity.
Data included in this folder encompass seismic refraction, ground-penetrating radar (GPR), electrical resistivity, soil samples, downhole geophysical logs, magnetic data, electromagnetic data (EM), and trench measurements (Virtual CZ).
Created: Nov. 22, 2022, 3:25 a.m.
Authors: Holbrook, Steve · Rabak, Ivan · Singha, Kamini
ABSTRACT:
These folders contain geophysical, geochemical, ecohydrological, and geomorphological data from the Southern Sierra site of the Bedrock Cluster of NSF's Critical Zone Collaboration Network. This project, funded by grant NSF EAR-2012353, aims to provide the scientific community with unprecedented access to, data from, and knowledge of the deep CZ and its feedbacks with surface processes. This project tests a simple conceptual model: that CZ structure, evolution, and processes are strongly influenced by bedrock conditions at the base of the CZ, including mineralogy, ambient stress, and inherited fractures, and that deep CZ processes are in turn influenced by surface processes like erosion, subsurface flow, and ecosystem productivity.
Data included in this folder encompass seismic refraction, ground-penetrating radar (GPR), electrical resistivity, soil samples, downhole geophysical logs, magnetic data, sapflow data, electromagnetic data (EM), and trench measurements (Virtual CZ).
ABSTRACT:
These folders contain geophysical, geochemical, and geomorphological data from the San Gabriel site of the Bedrock Cluster of NSF's Critical Zone Collaboration Network. This project, funded by grant NSF EAR-2012353, aims to provide the scientific community with unprecedented access to, data from, and knowledge of the deep CZ and its feedbacks with surface processes. This project tests a simple conceptual model: that CZ structure, evolution, and processes are strongly influenced by bedrock conditions at the base of the CZ, including mineralogy, ambient stress, and inherited fractures, and that deep CZ processes are in turn influenced by surface processes like erosion, subsurface flow, and ecosystem productivity.
Data included in this folder encompass seismic refraction, ground-penetrating radar (GPR), electrical resistivity, soil samples, downhole geophysical logs, magnetic data, electromagnetic data (EM), and trench measurements (Virtual CZ).
Created: May 23, 2023, 3:13 p.m.
Authors: Holbrook, Steve · Rabak, Ivan
ABSTRACT:
Airborne electromagnetic data were acquired in November 2016 by the University of Wyoming in collaboration with Aarhus University in Denmark.The AEM survey, flown by SkyTEM Inc., imaged 123 km2 with a line spacing of 150 m; two smaller catchments, Reynolds Mountain East and Upper Sheep Creek, were flown at 75 m line spacing. SkyTEM dual-moment data were acquired by a SkyTEM 312 system (SkyTEM, 2017) that flew over the southern portion of the watershed on NE-SW oriented flight lines totaling 834.5 line-km of data.
ABSTRACT:
abstract text
ABSTRACT:
These folders contain geophysical data from the Boulder Creek, CO site of the Bedrock Cluster of NSF's Critical Zone Collaboration Network. This project, funded by grant NSF EAR-2012353, aims to provide the scientific community with unprecedented access to, data from, and knowledge of the deep CZ and its feedbacks with surface processes. This project tests a simple conceptual model: that CZ structure, evolution, and processes are strongly influenced by bedrock conditions at the base of the CZ, including mineralogy, ambient stress, and inherited fractures, and that deep CZ processes are in turn influenced by surface processes like erosion, subsurface flow, and ecosystem productivity.
Data included in this folder encompass seismic refraction and ground Lidar data.
ABSTRACT:
These folders contain geophysical, geochemical, and geomorphological data from the South Carolina Piedmont site of the Bedrock Cluster of NSF's Critical Zone Collaboration Network. This project, funded by grant NSF EAR-2012353, aims to provide the scientific community with unprecedented access to, data from, and knowledge of the deep CZ and its feedbacks with surface processes. This project tests a simple conceptual model: that CZ structure, evolution, and processes are strongly influenced by bedrock conditions at the base of the CZ, including mineralogy, ambient stress, and inherited fractures, and that deep CZ processes are in turn influenced by surface processes like erosion, subsurface flow, and ecosystem productivity.
Data included in this folder encompass seismic refraction, ground-penetrating radar (GPR), electrical resistivity, soil samples, downhole geophysical logs, magnetic data, electromagnetic data (EM), and trench measurements (Virtual CZ).
ABSTRACT:
These folders contain geophysical, geochemical, and geomorphological data from the San Jacinto, CA site of the Bedrock Cluster of NSF's Critical Zone Collaboration Network. This project, funded by grant NSF EAR-2012353, aims to provide the scientific community with unprecedented access to, data from, and knowledge of the deep CZ and its feedbacks with surface processes. This project tests a simple conceptual model: that CZ structure, evolution, and processes are strongly influenced by bedrock conditions at the base of the CZ, including mineralogy, ambient stress, and inherited fractures, and that deep CZ processes are in turn influenced by surface processes like erosion, subsurface flow, and ecosystem productivity.
Data included in this folder encompass seismic refraction, ground-penetrating radar (GPR), electrical resistivity, soil samples, downhole geophysical logs, magnetic data, electromagnetic data (EM), and trench measurements (Virtual CZ).
ABSTRACT:
These folders contain geophysical data from the Little Beaver Creek, CO site of the Bedrock Cluster of NSF's Critical Zone Collaboration Network. This project, funded by grant NSF EAR-2012353, aims to provide the scientific community with unprecedented access to, data from, and knowledge of the deep CZ and its feedbacks with surface processes. This project tests a simple conceptual model that CZ structure, evolution, and processes are strongly influenced by bedrock conditions at the base of the CZ, including mineralogy, ambient stress, and inherited fractures, and that deep CZ processes are in turn influenced by surface processes like erosion, subsurface flow, and ecosystem productivity.
Data included in this folders include seismic refraction data at Little Beaver Creek, CO, collected in the summer of 2023.