Pennsylvania State University, Department of Earth Sciences
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Affiliated Works
sorted by decreasing year, and then by display-name
- Climate Variability Recorded in Earth System History: Contributions to our Understanding of a Changing Planet
- High Methane Abundance in the Archean and Proterozoic Atmosphere. Why CO2 is not Enough.
- Orbitally Paced Sedimentary Cycles from the Lower Oligocene Antarctic Margin as a Record of Ice Sheet Variability: a Comparison of Field Data and Simulated Ice Sheet Behavior
- Biosignatures in Middle Cambrian Paleosols
- Climatic forcing of West Antarctic Ice Sheet variability on orbital timescales
- Continental weathering response to climate change: a modelling study (Invited)
- Gaia Through Time: The Coevolution of Life and Climate
- Landscape controls on pore water chemistry and chemical weathering rates in the Critical Zone Observatory: Shale Hills Catchment (Central Pennsylvania, USA)
- Thresholds for Greenland Ice Sheet Variability on Orbital and Longer Timescales
- Using An Online Photo-Sharing Tool (Flickr) to Connect Students During Earth Science Week
- Using a Google Earth QUEST to Improve Earth Science, Reading, and Geographic Literacy
- Whillans Ice Stream Subglacial Access Research Drilling (WISSARD): Integrative Study of Marine Ice Sheet Stability and Subglacial Life Habitats (Invited)
- Atmospheric oxidation and air pollution in Houston: Lessons from the SHARP 2009 field campaign (Invited)
- Dynamics of Arctic Mixed Phase Clouds: A focus on the effects of ice crystal habits and nucleation
- Evaluation of Site and Continental Terrestrial Carbon Cycle Simulations with North American Flux Tower Observations
- Evidence of mobile/immobile flow at the Susquehanna Shale Hills Critical Zone Observatory using the stable isotope network
- Extrusion cycles of dome-forming eruptions
- Hysteresis in Cenozoic East Antarctic ice sheet variations: model-dependent or real?
- Land surface model parameterization strategies and North American regional CO2 flux interannual variability examined with a simple land surface model
- Paleoclimatological implications of Mid-Cretaceous paleosol sphaerosiderites from 70 degrees paleonorth, central Spitsbergen
- Pre-eruptive crystallization and degassing processes associated with laterally directed volcanic explosions
- Quantifying weathering advance rates in basaltic andesite rinds with uranium-series isotopes: a case study from Guadeloupe
- Real-Time Implementation of the Penn State Integrated Hydrologic Modeling System: The Shale Hills Critical Zone Observatory
- Sea Level As A Stabilizing Factor For Marine Ice Sheets
- Simulating the Antarctic and Greenland ice sheets on millennial timescales using a coupled ice sheet/climate model: sensitivity to climate model bias, refreezing and albedo in Eemian, Last Glacial Maximum, and late Holocene climates
- The Influence of Kinetically-limited Growth of Ice Crystal on Homogeneous Freezing Rates in Cold Clouds
- The Role of Chemistry in Atmosphere-Forest Exchange (Invited)
- Trading Space for Time: A non-stationary approach to probabilistic flow predictions in a changing climate
- Watershed reanalysis: data assimilation from strip charts to embedded sensor networks (Invited)
- A simple inverse method for deducing the large-scale distribution of basal sliding coefficients below the Antarctic Ice Sheet
- Assessing the influence of disequilibrium crystallization and degassing during magma ascent in effusive and explosive eruptions
- Controls of mineralogy and hydrology on weathering fluxes in the Susquehanna Shale Hills Critical Zone Observatory
- Determination of Planetary Boundary Layer Heights on Short Spatial and Temporal Scales from Surface and Airborne Vertical Profilers during DISCOVER-AQ
- Emission verification from national to local levels using top-down approaches: sampling strategy and modeling performances
- Establishing a Social Media Presence and Network for the Pennsylvania Earth Science Teachers Association (PAESTA)
- Evolution of a Coupled Marine Ice Sheet - Sea Level Model
- Greenland Ice Sheet response to mid-Pliocene summer Arctic sea ice-free conditions
- Increasing nitrogen abundance relative to phosphorus in the northwestern Pacific Ocean due to anthropogenic nitrogen deposition
- Interactions Between Microphysics and Dynamics in Persistent Arctic Mixed Phase Clouds
- Issues, Challenges, and Opportunities in Geoscience Education and Broadening Participation in the Geosciences at Two-year Colleges
- Model-Data Syntheses Across Space and Time: An Observationalist's Journey into Terrestrial Ecosystem Modeling
- O-buoy measurements over the Arctic sea ice: Temporal and spatial extents of ozone depletion events
- Secondary Aerosol Forming Potential of the Air Mass Arriving at Gosan ABC Superstation in Korea
- Snowball Earth: Skating on Thin Ice?
- Statistical Post-processing Methods for Down-selecting Numerical Weather Prediction Multiphysics Ensembles for Wind Forecasting
- The influence of lateral variation in basal elevation and resistance on the retreat of streaming ice
- The role of stability in modulating the structure and transport efficiency of turbulence in the atmospheric surface layer
- Uncertainties in the relationship between temperature and sea level over the past 10-50 Ma
- What Helps More-Spatial or Temporal Extent of Flux Towers-in Upscaling CO<SUB>2</SUB> Flux?
- Antarctic Ice Sheet variability in the Plio-Pleistocene, its impact on the Southern Ocean and teleconnections to distant latitudes
- Attributes of turbulence over the Arctic Ocean with partial ice cover near Barrow, Alaska during spring 2012
- Continuous Monitoring of CH4 Emissions from Marcellus Shale Gas Extraction in South West Pennsylvania Using Top Down Methodology
- Controversies in the Hydrosphere: an iBook exploring current global water issues for middle school classrooms
- Coupling the PSU EnKF with 4DVar for mesoscale data assimilation
- Grounding line migration on unstable bedrock slopes: The example of Thwaites Glacier, Antarctica
- How lithology and climate affect REE mobility and fractionation along a shale weathering transect of the Susquehanna Shale Hills Critical Zone Observatory
- Lake sediment isotope records of hydroclimatic changes in the Pacific Northwest over the last two thousand years
- Measurements of Urban Area-Wide CO2 and CH4 Fluxes as part of the Indianapolis Flux Experiment (INFLUX)
- Measurements of Vertical Profiles of Turbulence, Temperature, Ozone, Aerosols, and BrO over Sea Ice and Tundra Snowpack during BROMEX
- Model sensitivity analysis of ozone production based on DISCOVER-AQ field data
- Modeling North American Ice Sheet Response to Changes in Precession and Obliquity
- On the Temperature Dependence and Decadal Trends of Ozone in the San Joaquin Valley: Constraints from Measurements at the CalNex-Bakersfield Supersite
- On the use of remote sensing measurements in regional inversions of carbon sources and sinks
- Regional Variability in Ozone in the Tropical and Subtropical Free Troposphere and Tropopause Transition Layer based on Aura-Era SHADOZ Data (2005-2009)
- Superobservations: quality control and data thinning of high-resolution Doppler radar observations from field experiments for hurricane inner-core initialization and model verification
- Towards validation of urban GHG emissions using a very high resolution atmospheric inversion in the Indianapolis Flux Experiment
- Understanding measurements of OH, HO2, and OH reactivity in forest environments
- Using the Aerosol Single Scattering Albedo and Angstrom Exponent from AERONET to Determine Aerosol Origins and Mixing States over the Indo-Gangetic Plain
- VoiceThread as a Peer Review and Dissemination Tool for Undergraduate Research
- Weathering of Fractured Rock in the Deep Critical Zone
- A numerical study of turbulent flow over complex aeolian dune fields: the White Sands National Monument
- Assessment and Design of Water Quality Monitoring Networks with respect to Shale Gas Activities in Pennsylvania
- Automated decision algorithm applied to a field experiment with multiple research objectives: The DC3 campaign
- Boron isotopes at the Shale Hills critical zone observatory
- Considering uncertainty in climate change projections through a new decision-centric approach to global change impact assessment on water resources tested in a Pennsylvania watershed
- Dependence of the time scale of the Greenland Ice Sheet's response to imposed temperature change
- Developing approaches to hindcast and earthcast climate controls on solute fluxes during shale weathering in the Critical Zone
- Dynamics of the methane profile through the water column of meromictic Fayetteville Green Lake, N.Y
- Effects of Assimilation Window Length and Radiatively Active Water Ice Clouds on Martian Thermal Tides and Martian Atmosphere Predictability
- Impacts of natural gas mining on regional methane levels in Pennsylvania
- Inferring climate variability from skewed proxy records
- Influence of landscape disturbance patterns on modeled carbon fluxes and associated uncertainty
- Modeling Drastic Ice Retreat in Antarctic Subglacial Basins
- Pliocene retreat of Greenland and Antarctic Ice Sheet margins (Invited)
- Reconstruction of Precipitation in North America Over The Last Millennium Using Multiple Proxies
- Replicating the Ice-Volume Signal of the Early Pleistocene with a Complex Earth System Model
- Resolving the High Resolution Soil Moisture Pattern at the Shale Hills Watershed Using a Land Surface Hydrologic Model
- The Impact of Gravitationally Self-Consistent Ice Age Sea-Level Variations on the Evolution of the Antarctic Ice Sheet (Invited)
- The modeled relationship between sea level and atmospheric CO2 on geological timescales
- Understanding the Hydrological Controls on the Water Chemistry at the Watershed Scale Using an Integrated Hydro-Thermo-Geochemical Model PIHM-RT
- Wintertime Air Quality Measurements in the Southern San Joaquin Valley as Part of Nasa's Discover-aq Campaign
- Geochemistry and mineralogy of mafic Icelandic hyaloclastites
- A Reactive Transport Model for Marcellus Shale Weathering
- Applying Data Mining Techniques to Chemical Analyses of Pre-drill Groundwater Samples within the Marcellus Formation Shale Play in Bradford County, Pennsylvania
- Can ENSO-like convection force an ENSO-like extratropical response on subseasonal timescales?
- Investigating the Potential Impacts of Energy Production in the Marcellus Shale Region Using the Shale Network Database
- Multi-scale geophysical study to model the distribution and development of fractures in relation to the knickpoint in the Luquillo Critical Zone Observatory (Puerto Rico)
- Porosity evolution during weathering of Marcellus shale
- The Effect of Experimental Weathering on the Multiscale Pore Structure of Granites: A (U)SANS, Imaging Analysis
- Understanding the hydrologic and geochemical control of regolith formation on shale in a hilly landscape
- Using noble gases and <SUP>87</SUP>Sr/<SUP>86</SUP>Sr to constrain heat sources and fluid evolution at the Los Azufres Geothermal Field, Mexico
- Across the Great Divide: The Flow-to-Fracture Transition and the Future of the West Antarctic Ice Sheet
- Antarctic Ice Sheet retreat in the western Ross Embayment since the Last Glacial Maximum constrained by geochronology and ice flow modeling
- Assessing the response of sea ice, ocean circulation, and climate to projected increases in Antarctic Ice Sheet melt
- Characterizing the subsurface of the Critical Zone in the Garner Run Catchment at the Susquehanna Shale Hills Critical Zone Observatory using Electrical Resistivity
- Chemical vs physical influences on weathering at the Susquehanna Shale Hills Critical Zone: Preliminary Results from a 3D seismic imaging experiment
- Climatic Thresholds for Widespread Ice Shelf Hydrofracturing and Ice Cliff Calving In Antarctica: Implications for Future Sea Level Rise
- Co-precipitation of calcite and sulfur at depth signifies biotic activity at the onset of weathering in crystalline rocks from temperate climates
- Constraints on Ridge-to-Valley Critical Zone Structure from the Susquehanna Shale Hills Critical Zone Observatory
- Constraints on Valley Structure from Two Seismic Refraction Lines in the Susquehanna Shale Hills Critical Zone Observatory
- Critical measurements of hydrologic response in a first-order, forested catchment at the Susquehanna Shale Hills Critical Zone Observatory (SSHCZO)
- Data-Driven Approaches toward Assessing Impacts of Industrial Development on Surface Water Quality in the U.S.A.
- Detecting anomalous methane in groundwater in shale gas production areas using big data
- Ice Cliffs: A Region Primed for Enhanced Flow or Failure?
- Ice Sheet System Model (ISSM) studies of controls on stability of Thwaites and Pine Island Glaciers, West Antarctica
- Imaging the critical zone structure using seismic refraction in Garner Run at the Susquehanna Shale Hills Critical Zone Observatory
- Land use and lithology controls on export of nitrate and other solutes from headwaters to HUC10 watersheds
- Modeling Short-term Ice sheet - Sea level - Solid Earth Interactions within a Glacial-cycle Timescale Simulation
- Quantifying Methane Fluxes in an Area of Shale Gas Development in a Northeastern Pennsylvania Watershed
- Statistical Emulation of Ice-Sheet Model Simulations to Estimate Uncertainty in Future Antarctic Sea-Level Contributions
- The Weathering of Rock to Regolith: Activity of Deep Roots in Bedrock Fractures
- The impact of floating ice on sea level estimates across multiple glacial cycles
- Transient Glacial/Interglacial Cycle Modelling Using A Coupled Climate - Ice Sheet Model
- Upscaling Hydrological Dynamics at the Watershed Scale
- Using Big Data (and Little Data) to Understand the Effects of Shale Gas Development on Water Quality
- Using a Near Surface Geophysics and Critical Zone Science Field Experience to Broaden the Participation of Underrepresented Minorities in the Geosciences
- Using citizen science and stream methane to locate and understand hydrocarbon-related contaminant sources in Pennsylvania
- 2D seismic imaging in the Susquehanna Shale Hills Critical Zone Observatory: New constraints on subsurface structure and weathering
- <SUP>Unprecedented Vulnerability of the Antarctic Ice Sheet</SUP>
- A machine learning-based ensemble model to detect methane contamination in groundwater within hydrocarbon production areas across the United States
- Antarctic Ice Sheet - Climate Feedbacks Under High Future Carbon Emissions
- Broadening Participation and Engagement of Underrepresented Minorities in the Geosciences Through a Near Surface Geophysics Field Experience
- Climate uncertainty in agricultural modeling: the effects of downscaling and bias-correction
- Critical Zone Measurements: Development of Novel Experimental Deployments to Further Our Understanding of Hydrological Processes
- Efficacy of Last Interglacial Estimates for Constraining Probabilistic Projections of Future Antarctic Sea Level Contributions
- Ensuring reusability of water quality data: what have we learned as both data users and providers?
- Gas Leak Discharges are Identified in Areas of Old and New Oil and Gas Development from Stream Chemistry Measurements
- Imaging the structure of solifluction lobes in the Garner Run Subcatchment of the Susquehanna Shale Hills Critical Zone Observatory using 2D Seismic Refraction Tomography
- Investigating Changes in Stream Water Chemistry as Power Plants Switch from Coal to Natural Gas
- Linking erosion rates and critical zone architecture using geophysical surveys at multiple spatial scales (Luquillo CZO, PR)
- Modeling Northern Hemispheric ice sheet dynamics, sea level change and solid Earth deformation through the last glacial cycle.
- Probing shale weathering under ridge and valley: an integrated approach from geochemistry to geophysics
- Seismic Ambient Noise and Electrical Resistivity Imaging of Subsurface Water Changes in the Susquehanna Shale Hills CZO, Pennsylvania
- Student Produced Audio Narratives (SPAN) - Initial results of a regional pilot implementation program
- The Use of Electrical Resistivity Tomography (ERT) to Image Solifluction Lobes in the Garner Run Subcatchment of The Susquehanna Shale Hills Critical Zone Observatory
- The use of ERI and Seismic refraction to constrain soil depth and geologic structure at Cole Farms Agricultural Site in the Susquehanna Shale Hills Critical Zone Observatory
- Tracing rhenium in the Shale Hills Critical Zone Observatory: Insights on understanding rock organic carbon weathering
- Using apparent respiratory quotient and fixed potential electrodes to quantify iron redox in upland soils of the Susquehanna Shale Hills Critical Zone Observatory
- West Antarctic Ice Sheet History from a Subglacial Bedrock Core
- Electrochemical monitoring of shallow soils in the Susquehanna Shale Hills Critical Zone Observatory for real-time measurement of metal redox reaction dynamics
- Exploring Societal Problems with Data: Assessing Impacts on Water Quality with the Shale Network Database
- Tracing a Geochemical Reaction from Nanometers to Kilometers: Pyrite Oxidation
- Uncertainties in Driving Agricultural Models with Downscaled and Bias-Corrected Climate Information
- Uncertainty in future change of the Antarctic Ice Sheet forced by climate models
- Using GIS and mass balance techniques to investigate how hillslope and tributary proximity influence the transport of nitrate from cultivated land to surface water
- Water Flowpath and Bedrock Geology Control Pyrite Weathering Across Spatiotemporal Scales