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Project Profiles

Brad Aagaard
Estimating Future Strong Ground Motions in the Los Angeles and San Francisco Areas

Jason A. Addison
Generating Past ENSO and PDO Indices at Seasonal Timescales from Ultrahigh-Resolution Marine Sediment Records in the Gulf of Alaska

Robert Al-Chokhachy
Forecasting the Effects of Climate Change on the Interactions of Native and Nonnative Salmonids

Gregory J. Anderson
Modeling Crustal Deformation and Seismic Hazard in Southern California Using Geodesy, Geology, and Seismology: Preparing for the Plate Boundary Observatory

Megan Anderson
Quantitative Structural Analysis of the Seattle Fault : Three-Dimensional Constraints on Thrust Fault Structure, Kinematics, and Seismic Hazard

Kenneth J. Bagstad
Mapping, Valuation, and Optimization of Ecosystem Service Flows

Shirley Baher
Defining Earthquake Source Zones and Onland Hazards Posed by Earthquakes in the California Borderland

Patrick Barnard
Episodic, Seasonal, and Long-Term Variations in Beach
Morphology and Sediment Transport Adjacent to a Major Tidal Inlet on a High-Energy Coast, Ocean Beach, San Francisco, California

Kristin Barrett
Monitoring Post-Fire Successional Patterns in Interior Alaska

Paul A. Bedrosian
Magnetic Induction Effects on Magnetic Observations

Sean P. Bemis
Linking the Yakima Fold Belt to Its Forearc Analogs Through the Cascade Arc: Constraints on Active Fold Belt Deformation between the Puget Lowland and Portland, Oregon

Carleton R. Bern
Description and Prediction of Salt Mobilization by Land Application of Coal-Bed Methane Produced-Water

Justin E. Birdwell
Experimental and Environmental Study of In-Situ Oil Shale Retorting

Steve W. Blecker
Metal Biogeochemistry in Mineralized Areas: Impacts on Ecosystem Healths

Margaret S. Boettcher
An Induced Earthquake Experiment in Deep Gold Mines—Natural Earthquake Laboratory in South African Mines

David Borrok
Geochemical, Hydrologic, and Modeling Methods for Resolving Natural and Anthropogenic Sources of Metals from Weathering of Mineral Deposits

Brian H. Bossak
Towards Predicting Coastal Vulnerability to Natural Hazards: A GIS-Based Approach utilizing NASA’s Experimental Airborne Advanced Research LIDAR (EAARL)

D. Nathan Bradley
Using Lagrangian Random Walk Particle Methods to Simulate Transport and Storage of Sediment and Associated Contaminants in Rivers

Daniel Brothers
Quantitative Evaluation of Tsunami Hazard to the U.S. Atlantic Coast

Joseph E. Bunnell
Geologic Impacts on Human Health

Jacqueline Caplan-Auerbach
Comparative Study of Remotely Triggered Seismicity at the Katmai Volcanoes, Alaska

Patrick Carr
Numerical Modeling of Subsurface Fluid Flow in the Culpeper Basin, Virginia

Thomas Chapin
Multiple Time-Scale Investigations of the Chemistry and Biological Activity of a Stream Receiving Acid Mine Drainage

Ladonna M. Choate
Bioavailibility of Metals in Soils from Agriculture and Mining Sites to Plants, and the Affect of Metal (Mn, Se, Cu, Zn) Organic Matter Complexes

Tonya D. Clayton
Remote Sensing for Coral Reef Studies: Evaluation and Application of a New Compound Active/Passive Optical Sensor

Alisa Coffin
Road Networks, Land Cover and Ecological Services: Thirty Years of Change in Colorado and Florida

Joseph Colgan
Linking Cenozoic Uplift and Basin Development to the Formation of Mineral, Energy, and Water Resources in the Northern Great Basin

Brian D. Collins
Ultra-High Resolution and High-Frequency Change-Detection of Beach Face and Coastal Sea-Cliffs

Christopher H. Conaway
“Brown to Blue” Sediment, Nutrients, and Contaminants from a Small Fluvial System to the Nearshore Environment, Monterey Bay, California

Anna M. Cruse
Experimental Study of Bitumen Generation and Its Role in Petroleum Generation

Andrew Cyr
Quantifying the Effects of Climate Change and Land-Use on Erosion Rates Using Cosmogenic Radionuclides and LiDAR-Based Process Mapping

Matthew A. d'Alessio
What Can the Thermal History of Parkfield Tell Us About the Mechanics of the San Andreas Fault?

P. Soupy Dalyander
Developing Sea-Floor Disturbance Indices Based on Bottom Stress for Habitat Mapping and Marine Spatial Planning

Nicholas C. Davatzes
Investigating Host Rock Mineralogical and Petrophysical Controls on Fracture Permeability in the Coso Geothermal Field, California

Steve DeLong
Tectonic Geomorphology Using High Resolution Topographic Data in Northern California

Brandon Dugan
Understanding Gas Hydrates in the Marine Sediments: Dynamics of Fluid/Gas Flux

Barry Wynn Eakins
Volcano-Tectonic Processes on Submarine Flanks of Hawaiian Volcanoes

Brian A. Ebel
Rainfall-Infiltration-Runoff Processes for Soil Affected by Wildfire

Marie Edmonds
Measurement of Volcanic Gases at Kilauea Volcano Using Fourier Transform Infrared Spectroscopy

Mark Engle
Sources of Atmospheric Mercury and Trace Metal Deposition

Scott Ensign
Sediment and Nutrient Trapping in Tidal Freshwater Rivers: Implications of Sea-Level Rise on Coastal Morphology and Biogeochemistry

Li H. Erikson
Arctic Bluff Retreat and Inundation of an Ecologically Sensitive Barrier Island System Due to a Changing Global Climate

Karen Felzer
Toward System-Level Earthquake Probability Modeling

Lee Florea
Application of Sequence Stratigraphy, Geochemistry, and Nuclear Magnetic Resonance to Delineate Heterogeneous Ground-Water Flow in Karstic Platform Carbonates

Tanya J. Gallegos
Impacts of Uranium Mining/Milling on Groundwater and Remediation with Mackinawite

David George
Advanced Numerical Modeling of Debris Flows and Rock Avalanches

Matt Gerstenberger
Earthquakes in Geologically Complex Media: Conditional Earthquake Probabilities for Southern California

Ryan D. Gold
Exploring the Potential Discrepancy Between Geodetic and Geologic Slip-Rates in the Northern Walker Lane Via Late-Quaternary Slip-Rate Measurements Along a Fault-Perpendicular Transect

Seth S. Haines
Improved Aquifer Characterization Through Shear Wave Reflection Profiling

Edward K. Hall
Evaluating Microbial Mechanisms Behind Temperature-Driven Changes in Alpine Biogeochemistry

Matthew M. Haney
Interferometric Monitoring and Imaging of Recent Activity at Mount Spurr Volcano, Alaska

Jeanne Hardebeck
Seismological Studies of the Hayward Fault

Jodi N. Harney
Coastal Watershed Restoration

Sarah Hayes
Environmental Mobility and Bioaccessibility of Tellurium

Richard Heermance
Climatic Effects on Terrace Formation in the Ventura Area, California

Jo Ann M. Holloway
Coupled Biogeochemical Cycles of Macronutrients and Trace Metals in Soil

Christopher Holm-Denoma
Integrative Approaches to Elucidate the Structural Architecture of the Roberts Mountains Allochthon and Recognize Transverse Deformation Zones Within It That Conceal and Localize Carlin-Type Gold Deposits in Nevada

Eric Horsman
Examining Local and Regional Heterogeneous Deformation Using a 3-D Geologic Map of the Peninsula Segment of the San Andreas Fault

Jonathan F. Hughes
Hydrology and Ecology of Sag Ponds as Recorders of Prehistoric Earthquakes

Andrew G. Hunt
Application of Noble Gas Isotopes to Define Ground Water Flow and Interactions with Deeper Fluids Occurring within Individual Flow Zones of Edwards Aquifer System, San Antonio, Texas

Alexander R. Hutko
Improved Earthquake Monitoring Using Seismic Array Data

Steven M. Jepsen
Understanding the Physical Properties and Dynamics of Permafrost: An Important Link Among Changes in Climate, Hydrology, and the Ecology of Northern High Latitudes

Ingrid Johanson
Application of the InSAR Persistent Scatterers Method to Volcano Deformation

Joel P. Johnson
Wireless Sensor Network Monitoring of Post-Wildfire Debris Flow Initiation

Raymond H. Johnson
Holistic Modeling of Surface and Ground-Water Flow in Watersheds Affected by Historical Mining

Erdem Karaca
Cost Benefit Analysis of Earthquake Provisions in Building Codes

Christina Kellogg
Microbially Contaminated Sediments: One if by Air, Two if by Sea

Katie Keranen
Defining Crustal Fault Systems and Strain Accumulation Models in the Puget Lowlands of Western Washington

Christoph Kern
UV-Spectroscopic Volcanic Emission Measurements: Potential Promise and Lingering Challenges

Michael W. Kerwin
Evaluating the Impacts of Climate Change and Land Use in the Western United States

Bryn E. Kimball
Trace Metal Sequestration and Release from Secondary Hydroxysulfate Minerals: Implications for Contamination in Mining Environments

David A. Kinner
Modeling the Spectrum of Post-Fire Phenomena (Runoff, Erosion, Sediment Transport, and Deposition)

Jon Kolak
Geochemistry of Supercritical Carbon Dioxide: Environmental and Energy Resource Application

   

Johanna Kraus
Quantifying Biologically Mediated Fluxes of Stream Metals to Riparian Food Webs

Kevin D. Kroeger
Geologic Controls on Groundwater Flows and Associated Nutrient Biogeochemistry in the Subterranean Estuary and Groundwater Seepage Face

Nicole Lautze
Magmatic Underpinnings of Fluid-Driven Seismicity: The Generation of Trapped, High-Pressure CO2–H2O Reservoirs in the Deep Roots of Active Volcanoes

Corey Lawrence
Ecosystem Response to Climate Change in the Western United States: Linking Carbon and Water Cycling Through Isotopic Studies of Soils

John T. Lisle
The Occurrence and Ecology of Microorganisms Associated with Sediments and Coral Reefs

Andrea L. Llenos
Earthquake Rate Changes: Mechanisms and Impacts on Forecasting

J.V. Loperfido
Water Quality Impacts of Urbanization, Climate Change, and Stormwater Best Management Practices in the Chesapeake Bay Basin

Alberto Lopez-Venegas
Evaluating Tsunami Hazards to the Atlantic and Caribbean Coasts

Karen Luttrell
Quantifying Climate Forcing of Volcanic and Earthquake Hazards Using Statistical Analysis and Mechanical Numerical Models

Kelly Revenaugh Macgregor
Controls on Sediment Transport in the Columbia River Basin

Lissa J. Macvean
Sediment Cycling Through Subtidal and Intertidal Habitats

Katharine Maher
Developing U-Series Dating Capabilities for Quaternary Hydrogenic Deposits Using the Ion-Microprobe

Maryann Love Malinconico
Thermal Maturation and Organic Petrology Study of ICDP-USGS Deep Corehole in the Central Crater of the Chesapeake Bay Impact Structure

Daniel Malmon
Geomorphology and Fluvial Stratigraphy of the Lower Colorado River

Andy Manning
Using Noble Gases to Investigate Structural Controls on Mountain Groundwater Flow Systems

Antonio Mannino
Impacts of Climate Variability and Anthropogenic Perturbations on Source Contributions of Organic Matter to Estuarine Sediments Using Multiple Biomarkers and Stable Isotope Analyses

Micahel Marshall
Water Productivity Mapping for Irrigated Crops in California Using Farm-Level Assessments and Hyper-Spatial and Spectral Remote

Ari Matmon
Quantifying Slip Rates Over Time: Estimating Long-Term Deformation Rates Using Cosmogenic Isotopes

Wendy McCausland
Use of Borehole Strainmeter Data to Study Subduction-Related Tremor and Slow Sli

Cory McDonald
Inductive Modeling of Carbon Fluxes in Lakes and Reservoirs and Implications for the Global Carbon Cycle

Timothy A. Meckel
Quantitative Evaluation of Regional Subsidence Processes Contributing to Rapid Sea Level Rise and Wetland Loss in the Mississippi River Delta Plain, Louisiana

Chris Mills
Microbial Influences on the Oxidation and Mobilization of Naturally Occurring Chromium

Siddhartha Mitra
Riverine Discharge of Black Carbon and Its Role in the Global Carbon Cycle

Serena Moseman
Effects of Submergence and Nutrient Loading on Greenhouse Gas Production by Coastal Wetlands: A Multi-Scale Analysis

Christopher M. Moy
Exploring the Relationship Between Past Atmospheric Dust Deposition, Climate, and Biological Productivity in the North Pacific Ocean

Ryan P. Moyer
Historical Records of Tropical Surface Ocean pH, Aragonite Saturation, and Sea Surface Temperature Recorded in Coral Skeletons

Jessica Murray
Automated Near-Real-Time Analysis of Continuous GPS Data in the San Francisco Bay Area for Deformation Alerts

Jason Neff
Role of Geology and Hydrology in Vegetation Distributions and Biological Invasions in the Desert Southwest

Gene-hua Crystal Ng
Assessing Ecohydrological Controls on Vegetation Dynamics in the Mojave Desert

Elena B. Nilsen
Assessing Impacts of Anthropogenic Contaminants on Microbial Communities and Organic Matter Composition in West Coast Estuaries Using Organic Geochemical Techniquest

Jon O’Donnell
Key Indicators of Regional Climate Change: Dissolved Organic Matter Composition and Flux in the Yukon River Basin

Ben Perkins
Microprobe Study: Geochemistry of the Phosphoria Formation

Melissa Anne Pfeffer
The Chiginagak Volcanic Lake Drainage Event

Jeffrey Pigati
Investigation of Late Quaternary Ground-Water Discharge Deposits in the Mojave Desert, Eastern California

Gregory A. Piniak
Quantification of Sediment Stress on Hawaiian Reef Corals

John W. Pohlman
Geochemical and Biomarker Study of the Gas Hydrate and Petroleum System of the Northern Cascadia Margin

Stephanie Prejean
Ground Deformation and Magmatic Processes in Long Valley Caldera, California

Nancy Grumet Prouty
Historical Land Use Patterns Recorded by Coral Chemistry: Linkages Between Watershed Change and Ecosystem Health

Karen J. Remick
Statistical Study of Magnetic Field Variations for Mapping of Hazardous Effects

Sanaz Rezaeian
PEER-USGS Collaboration on Modeling Earthquake Ground Motions and Seismic Hazard Analysis

Marci Robinson
Integrated Multi-Proxy Analyses of Mid-Pliocene Ocean Temperatures for an Improved Paleoclimate Reconstruction

Sarah E. Robinson
Quantitative Correlations Between Remote Sensing and Surficial Geologic Data, Mojave Desert Region

Peter Ruggiero
Assessing Coastal Hazards: Investigating the Linkages Between Nearshore Bathymetry and Shoreline Change

Brian Rusk
Chemical Evolution of Hydrothermal Fluids That Formed the Superimposed Porphyry Copper and Epithermal Deposits in Butte, Montana: Insights from Quantitative Laser Ablation Analyses of Fluid Inclusions

Joel Sankey
Post-Wildfire Phenology: Biogeomorphic Implications for the Great Basin

Travis Schmidt
Development of Geologic-Based Risk Assessment Methods and Protocols for Environmental Assessment of Federal Lands Affected by Historical Mining

Andrew W. Schroth
The Role of Speciation and Provenance in the Bioavailability of Iron in the Gulf of Alaska

David Shelly
Probing the Roots of Active Faults in California Through Deep Seismic Tremor

Aaron Slowey
The Effect of Natural Organic Matter on the Solubility and Colloid Chemistry of Mercury in the Presence of Sulfide

Emily K.M. So
Rapidly Assessing and Quantifying Earthquake Hazard and Impact

John G. Solum
Extracting Information on Fault Properties from the Mineral Assemblages of SAFOD

Jonathan Stock
Quantitative Geomorphic Modeling

David Stolper
Nearshore and Inner Shelf Controls on Regional-Scale Coastal Erosion

Craig A. Stricker
Nutrients in Prairie Wetlands: Linking Hydrology and Biology

Renee K. Takesue
High Resolution Records of Environmental Conditions from Mollusc Shells: Exploiting the Potential of Microbeam Instruments

Kathy Tedesco
Calibration of Paleoenvironmental Proxy Records for Application to the Holocene Climate Record of the Gulf of Mexico

Jeremy N. Thomas
Study of Magnetic-Precursory Signals to Large Earthquakes

Andrew S. Todd
Development of Stable-Metal Isotope Techniques to Determine Metal Pathways and Bioavailability to Aquatic Organisms

Merritt R. Turetsky
Fate and Transport of Carbon in Northern Soils

Peter Kent Van De Water
Improving Estimations of Past and Future Environmental Changes in the Western United States Using Stable Isotope and Plant Morphology Analyses

R. Greg Vaughan
Automated Detection of Anomalous Hydrothermal and Volcanic Activity from Space: Taking the Temperature of Yellowstone Using Thermal Infrared Satellite Data

Gregory Waite
Seismic Structure of Cascade Volcanoes

Mark P. Waldrop
Role of Microbial Ecology in Global Carbon and Nitrogen Cycling

Brita R. Graham Wall
Determination of Flow Pathways at Norris Geyser Basin, Yellowstone National Park Through an Integrated Study of Local Seismicity, Deformation, and Hydrothermal Processes

John C. Warner
Numerical Sediment Transport Modeling

Jonathan Warrick
Sedimentology of Urban Ocean Areas

Kathryn Watts
Formation and Eruption of Large Silicic Magma Chambers and Their Potential Genetic Relationship to Carlin-Type Gold Deposits in the Northern Great Basin

Timothy S. White
Paleoclimatological Factors Influencing the Formation of Mississippi Valley-Type (MVT) Pb-Zn Deposits

Heather Wright
Discovering Clues to Impending Explosive Volcanic Eruptions Through Geochemical Microanalysis and Magmatic Process Modeling

Matthew R. Wright
Phytoplankton Record of Chesapeake Bay Water Quality: A Holocene Perspective

Thomas Zeigler
Human Health Aspects of Atmospherically Transported Dust, Including Interactions with Asbestiform Minerals and Other Dusts with Physiological Studies

Tamara Jane Zelikova
Regional Climate Change and Carbon Cycling on the Colorado Plateaus






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