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Employment (2)

Brookhaven National Laboratory: Upton, NY, US

2020-10-05 to present | Group Leader (Applied Mathematics)
Employment
Source: Self-asserted source
Nathan Urban

Los Alamos National Laboratory: Los Alamos, NM, US

2011-12 to 2020-10 | Scientist (Computational Physics and Methods)
Employment
Source: Self-asserted source
Nathan Urban

Education and qualifications (2)

Virginia Tech: Blacksburg, VA, US

B.S. (Physics, Computer Science, Mathematics)
Education
Source: Self-asserted source
Nathan Urban

Pennsylvania State University: University Park, PA, US

Ph.D/M.Ed. (Physics)
Education
Source: Self-asserted source
Nathan Urban

Works (50 of 54)

Items per page:
Page 1 of 2

Multi-objective latent space optimization of generative molecular design models

Patterns
2024-10 | Journal article
DOI: 10.1016/j.patter.2024.101042
Part of ISSN: 2666-3899
Contributors: A N M Nafiz Abeer; Nathan M. Urban; M. Ryan Weil; Francis J. Alexander; Byung-Jun Yoon
Source: Self-asserted source
Nathan Urban
grade
Preferred source (of 2)‎

Identifying Bayesian optimal experiments for uncertain biochemical pathway models

Scientific Reports
2024-07-02 | Journal article
DOI: 10.1038/s41598-024-65196-w
Part of ISSN: 2045-2322
Contributors: Natalie M. Isenberg; Susan D. Mertins; Byung-Jun Yoon; Kristofer G. Reyes; Nathan M. Urban
Source: Self-asserted source
Nathan Urban

Julia for HPC: In Situ Data Analysis with Julia for Climate Simulations at Large Scale

JuliaCon Proceedings
2024-06-23 | Journal article | Author
DOI: 10.21105/jcon.00134
Part of ISSN: 2642-4029
Contributors: Li Tang; Soumya Dutta; Natalie Klein; Wayne Wang; Jonathan Wolfe; Luke Van Roekel; Nathan Urban; Ayan Biswas; Earl Lawrence
Source: Self-asserted source
Nathan Urban

Probabilistic projections of the Amery Ice Shelf catchment, Antarctica, under high ice-shelf basal melt conditions

2024-06-18 | Preprint
DOI: 10.5194/egusphere-2024-1677
Contributors: Sanket Jantre; Matthew Hoffman; Nathan M. Urban; Trevor Hillebrand; Mauro Perego; Stephen F. Price; John Jakeman
Source: Self-asserted source
Nathan Urban

Learning Active Subspaces for Effective and Scalable Uncertainty Quantification in Deep Neural Networks

ICASSP 2024 - 2024 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)
2024-04-14 | Journal article
DOI: 10.1109/icassp48485.2024.10448265
Contributors: Sanket Jantre; Nathan M. Urban; Xiaoning Qian; Byung-Jun Yoon
Source: Self-asserted source
Nathan Urban

Exploring ice sheet model sensitivity to ocean thermal forcing and basal sliding using the Community Ice Sheet Model (CISM)

The Cryosphere
2023-04-06 | Journal article
DOI: 10.5194/tc-17-1513-2023
Part of ISSN: 1994-0424
Contributors: Mira Berdahl; Gunter Leguy; William Lipscomb; Nathan M. Urban; Matthew Hoffman
Source: Self-asserted source
Nathan Urban
grade
Preferred source (of 2)‎

A hierarchical sparse Gaussian process for in situ inference in expensive physics simulations

Applications of Machine Learning 2022
2022-10-03 | Journal article
DOI: 10.1117/12.2633427
Contributors: Kellin Rumsey; Michael J. Grosskopf; Earl Lawrence; Ayan Biswas; Nathan Urban
Source: Self-asserted source
Nathan Urban

A Typology for Characterizing Human Action in MultiSector Dynamics Models

Earth's Future
2022-08 | Journal article
DOI: 10.1029/2021ef002641
Part of ISSN: 2328-4277
Part of ISSN: 2328-4277
Contributors: Jim Yoon; Paty Romero-Lankao; Y. C. Ethan Yang; Christian Klassert; Nathan Urban; Kendra E Kaiser; Klaus Keller; Brinda Yarlagadda; Nathalie Voisin; Patrick Reed et al.
Source: Self-asserted source
Nathan Urban

Fast Gaussian Process Estimation for Large-Scale In Situ Inference using Convolutional Neural Networks

2021 IEEE International Conference on Big Data (Big Data)
2021-12-15 | Journal article
DOI: 10.1109/bigdata52589.2021.9671929
Contributors: Divya Banesh; Nishant Panda; Ayan Biswas; Luke Van Roekel; Diane Oyen; Nathan Urban; Michael Grosskopf; Jonathan Wolfe; Earl Lawrence
Source: Self-asserted source
Nathan Urban

In Situ Climate Modeling for Analyzing Extreme Weather Events

ISAV'21: In Situ Infrastructures for Enabling Extreme-Scale Analysis and Visualization
2021-11-15 | Journal article
DOI: 10.1145/3490138.3490142
Contributors: Soumya Dutta; Natalie Klein; Li Tang; Jonathan David Wolfe; Luke Van Roekel; James Joseph Benedict; Ayan Biswas; Earl Lawrence; Nathan Urban
Source: Self-asserted source
Nathan Urban

In-Situ Spatial Inference on Climate Simulations with Sparse Gaussian Processes

ISAV'21: In Situ Infrastructures for Enabling Extreme-Scale Analysis and Visualization
2021-11-15 | Journal article
DOI: 10.1145/3490138.3490140
Contributors: Michael Grosskopf; Earl Lawrence; Ayan Biswas; Li Tang; Kelin Rumsey; Luke Van Roekel; Nathan Urban
Source: Self-asserted source
Nathan Urban

Statistical emulation of a perturbed basal melt ensemble of an ice sheet model to better quantify Antarctic sea level rise uncertainties

The Cryosphere
2021-06-15 | Journal article
DOI: 10.5194/tc-15-2683-2021
Part of ISSN: 1994-0424
Contributors: Mira Berdahl; Gunter Leguy; William Lipscomb; Nathan M. Urban
Source: Self-asserted source
Nathan Urban

Differentiable programming for online training of a neural artificial viscosity function within a staggered grid Lagrangian hydrodynamics scheme

Machine Learning: Science and Technology
2021-06-01 | Journal article | Author
DOI: 10.1088/2632-2153/abd644
Part of ISSN: 2632-2153
Contributors: Pake Melland; Jason Albright; Nathan Urban
Source: Self-asserted source
Nathan Urban

A Bayesian approach to regional decadal predictability: Sparse parameter estimation in high-dimensional linear inverse models of high-latitude sea surface temperature variability

Journal of Climate
2020 | Journal article
Source: Self-asserted source
Nathan Urban

E3SMv0-HiLAT: A Modified Climate System Model Targeted for the Study of High Latitude Processes

2019 | Report
Source: Self-asserted source
Nathan Urban

Emergent Relationships Among Sea Ice, Longwave Radiation, and the Beaufort High Circulation Exposed Through Parameter Uncertainty Analysis

Journal of Geophysical Research: Oceans
2019 | Journal article
Source: Self-asserted source
Nathan Urban

Enhancing skill of initialized decadal predictions using a dynamic model of drift

Geophysical Research Letters
2019 | Journal article
Source: Self-asserted source
Nathan Urban

Improved representation of ocean heat content in energy balance models

Climatic Change
2019 | Journal article
Source: Self-asserted source
Nathan Urban

Model structural inference using local dynamic operators

International Journal for Uncertainty Quantification
2019 | Journal article
Source: Self-asserted source
Nathan Urban

Scalable extended dynamic mode decomposition using random kernel approximation

SIAM Journal on Scientific Computing
2019 | Journal article
Source: Self-asserted source
Nathan Urban

Dependence of inferred climate sensitivity on the discrepancy model

arXiv preprint arXiv:1809.04068
2018 | Journal article
Source: Self-asserted source
Nathan Urban

Dimensionality-Reduction of Climate Data using Deep Autoencoders

arXiv preprint arXiv:1809.00027
2018 | Journal article
Source: Self-asserted source
Nathan Urban

Global sensitivity of simulated water balance indicators under future climate change in the Colorado Basin

Water Resources Research
2018 | Journal article
Source: Self-asserted source
Nathan Urban

Towards Bayesian hierarchical inference of equilibrium climate sensitivity from a combination of CMIP5 climate models and observational data

Climatic Change
2018 | Journal article
Source: Self-asserted source
Nathan Urban

Validation of sea ice models using an uncertainty-based distance metric for multiple model variables

Journal of Geophysical Research: Oceans
2017 | Journal article
Source: Self-asserted source
Nathan Urban

CMIP5 temperature biases and 21st century warming around the Antarctic coast

Annals of Glaciology
2016 | Journal article
Source: Self-asserted source
Nathan Urban

Uncertainty quantification and global sensitivity analysis of the Los Alamos sea ice model

Journal of Geophysical Research: Oceans
2016 | Journal article
Source: Self-asserted source
Nathan Urban

Historical and future learning about climate sensitivity

Geophysical Research Letters
2014 | Journal article
Source: Self-asserted source
Nathan Urban

Infrastructure Modeling: Status and Applications

Sustainable Cities and Military Installations
2014 | Book chapter
Source: Self-asserted source
Nathan Urban

Uncertainty in model parameters and regional carbon fluxes: A model-data fusion approach

Agricultural and Forest Meteorology
2014 | Journal article
Source: Self-asserted source
Nathan Urban

Improving North American terrestrial CO2 flux diagnosis using spatial structure in land surface model residuals

Biogeosciences
2013 | Journal article
Source: Self-asserted source
Nathan Urban

Multivariate Gaussian process emulators with nonseparable covariance structures

Technometrics
2013 | Journal article
Source: Self-asserted source
Nathan Urban

Probabilistic framework for assessing the ice sheet contribution to sea level change

Proceedings of the National Academy of Sciences
2013 | Journal article
Source: Self-asserted source
Nathan Urban

Quantum cascade laser-based sensing for carbon sequestration leakage monitoring

IEEE Sensors Journal
2013 | Journal article
Source: Self-asserted source
Nathan Urban

Upper bounds on twenty-first-century Antarctic ice loss assessed using a probabilistic framework

Nature Climate Change
2013 | Journal article
Source: Self-asserted source
Nathan Urban

What is the effect of unresolved internal climate variability on climate sensitivity estimates?

Journal of Geophysical Research: Atmospheres
2013 | Journal article
Source: Self-asserted source
Nathan Urban

A climate sensitivity estimate using Bayesian fusion of instrumental observations and an Earth System model

Journal of Geophysical Research: Atmospheres
2012 | Journal article
Source: Self-asserted source
Nathan Urban

Improved moraine age interpretations through explicit matching of geomorphic process models to cosmogenic nuclide measurements from single landforms

Quaternary Research
2012 | Journal article
Source: Self-asserted source
Nathan Urban

Improving terrestrial CO 2 flux diagnosis using spatial structure in land surface model residuals.

Biogeosciences Discussions
2012 | Journal article
Source: Self-asserted source
Nathan Urban

Toward a physically plausible upper bound of sea-level rise projections

Climatic Change
2012 | Journal article
Source: Self-asserted source
Nathan Urban

Climate sensitivity estimated from temperature reconstructions of the Last Glacial Maximum

Science
2011 | Journal article
Source: Self-asserted source
Nathan Urban

Rejoinder: A statistical analysis of multiple temperature proxies: Are reconstructions of surface temperatures over the last 1000 years reliable?

The Annals of applied statistics
2011 | Journal article
Source: Self-asserted source
Nathan Urban

Slow release of fossil carbon during the Palaeocene--Eocene Thermal Maximum

Nature Geoscience
2011 | Journal article
Source: Self-asserted source
Nathan Urban

Slow release of fossil carbon during the Palaeocene-Eocene thermal maximum, Nat

2011 | Other
Source: Self-asserted source
Nathan Urban

Upscaling carbon fluxes from towers to the regional scale: Influence of parameter variability and land cover representation on regional flux estimates

Journal of Geophysical Research: Biogeosciences
2011 | Journal article
Source: Self-asserted source
Nathan Urban

A comparison of Latin hypercube and grid ensemble designs for the multivariate emulation of an Earth system model

Computers & Geosciences
2010 | Journal article
Source: Self-asserted source
Nathan Urban

Modeling the statistical distributions of cosmogenic exposure dates from moraines

Geoscientific Model Development
2010 | Journal article
Source: Self-asserted source
Nathan Urban

Multivariate emulators with nonseparable covariance structures

URL http://www. mucm. ac. uk/Pages/Dissemination/Dissemination_ Papers_Technical. html
2010 | Journal article
Source: Self-asserted source
Nathan Urban

Probabilistic hindcasts and projections of the coupled climate, carbon cycle and Atlantic meridional overturning circulation system: a Bayesian fusion of century-scale observations with a simple model

Tellus A: Dynamic Meteorology and Oceanography
2010 | Journal article
Source: Self-asserted source
Nathan Urban

What is the skill of ocean tracers in reducing uncertainties about ocean diapycnal mixing and projections of the Atlantic Meridional Overturning Circulation?

Journal of Geophysical Research: Oceans
2010 | Journal article
Source: Self-asserted source
Nathan Urban
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