Explanipedia

Equilibrium line altitudes, accumulation areas and the vulnerability of glaciers in Alaska Open

Lucas Zeller, Daniel McGrath, Louis Sass, Caitlyn Florentine, Jacob Downs · 2025

The accumulation area ratio (AAR) of a glacier reflects its current state of equilibrium, or disequilibrium, with climate and its vulnerability to future climate change. Here, we present an inventory of glacier-specific annual accumulation…

Application of LiDAR Derived Fuel Cells to Wildfire Modeling at Laboratory Scale Open

Anthony Marcozzi, Jesse V. Johnson, Russell A. Parsons, Sarah J. Flanary, Carl Seielstad , et al. · 2023

Terrestrial LiDAR scans (TLS) offer a rich data source for high-fidelity vegetation characterization, addressing the limitations of traditional fuel sampling methods by capturing spatially explicit distributions that have a significant imp…

Inferring time-dependent calving dynamics at Helheim Glacier Open

Jacob Downs, Douglas Brinkerhoff, Mathieu Morlighem · 2022

We perform Bayesian inference of the parameters of a time-dependent model of ice flow and calving at Helheim Glacier, East Greenland. We find that, while a time-independent calving parameterization can recover the mean observed terminus po…

A rapidly retreating, marine-terminating glacier's modeled response to perturbations in basal traction Open

Jacob Downs, Jesse V. Johnson · 2022

Upernavik Isstrøm, a marine glacier undergoing rapid retreat, is simulated by forcing a numerical model with ocean-driven melt. A review of processes driving retreat led us to hypothesize that a glacier undergoing rapid retreat may be less…

Sensitivity of LIDAR Derived Fuel Cells to Fire Modeling at Laboratory Scale Open

Anthony Marcozzi, J. Harlan Johnson, Russell A. Parsons, Jacob Downs · 2022

Computer models of wildfires are an important tool for fire managers and scientists. However, fuel inputs to wildfire models can be difficult to represent with sufficient detail in a computationally efficient manner. Recent advances in fue…

Western Greenland ice sheet retreat history reveals elevated precipitation during the Holocene thermal maximum Open

Jacob Downs, Jesse V. Johnson, Jason P. Briner, Nicolás E. Young, Alia J. Lesnek , et al. · 2020

We investigate changing precipitation patterns in the Kangerlussuaq region of western central Greenland during the Holocene thermal maximum (HTM), using a new chronology of ice sheet terminus position through the Holocene and a novel inver…

Additional Manuscript Edits Open

Jacob Downs · 2019

Additional Manuscript Edits Open

Jacob Downs · 2019

Edited Manuscript Open

Jacob Downs · 2019

Response to Lev Tarasov Open

Jacob Downs · 2019

Response to Stephen Price Open

Jacob Downs · 2019

West Greenland ice sheet retreat history reveals elevatedprecipitation during the Holocene thermal maximum Open

Jacob Downs, J. Harlan Johnson, Jason P. Briner, Nicolás E. Young, Alia J. Lesnek , et al. · 2019

We investigate changing precipitation patterns in the Kangerlussuaq region of west central Greenland during the Holocene thermal maximum, using a new chronology of ice sheet terminus position through the Holocene and a novel inverse modeli…

The Application of Contemporary Numerical Methods to the Modeling, Analysis, and Uncertainty Quantification of Glacier Dynamics Open

Jacob Downs · 2019

Warming temperatures have led to accelerating ice loss from the Greenland ice sheet, contributing to global sea level rise. Understanding the stability of the Greenland ice sheet to further warming is crucial to estimating rates of sea lev…

SHMIP The subglacial hydrology model intercomparison Project Open

Basile de Fleurian, Mauro Werder, Sebastian Beyer, Douglas Brinkerhoff, Ian Delaney , et al. · 2018

Subglacial hydrology plays a key role in many glaciological processes, including ice dynamics via the modulation of basal sliding. Owing to the lack of an overarching theory, however, a variety of model approximations exist to represent th…

Subglacial Hydrology Model Intercomparison Project (SHMIP) Data Submissions Open

Mauro Werder, Basile de Fleurian, Sebastian Beyer, Douglas Brinkerhoff, Ian Delaney , et al. · 2018

Data-submissions for the paper "SHMIP: The Subglacial Hydrology Model Intercomparison Project" submitted to Journal of Glaciology.

Appendix B. Precipitation records from the local meteorological station between 1980 and 2009. Open

G. Matt Davies, Jonathan D. Bakker, Eva Dettweiler‐Robinson, Peter W. Dunwiddie, Sonia A. Hall , et al. · 2016

Precipitation records from the local meteorological station between 1980 and 2009.

Hydraulic Conductivity as a Proxy for Drainage System Connectivity in a Subglacial Hydrology Model Open

Jacob Downs · 2016

The link between subglacial hydrology and basal sliding has prompted work on basal hydrology models with water pressure and storage as prognostic variables. We find that a commonly used model of distributed drainage through linked cavities…

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