Explanipedia

North Atlantic temperature and salinity changes are driven by external forcing, underestimated by CMIP6 models Open

Sergey Molodtsov, I. Marinov, Wilbert Weijer, Derek DeSantis, Alexandra Jonko , et al. · 2025

The Atlantic Meridional Overturning Circulation (AMOC) is projected to weaken in the 21st century, although evidence of this trend in the observational record is limited and conflicting. Here we utilize the growing set of in-situ observati…

What CMIP6 Models Tell Us About the Impact of AMOC Variability on the Arctic Open

Wilbert Weijer, Yiling Huo, Oluwayemi A. Garuba, Younjoo Lee, Sergey Molodtsov , et al. · 2025

In this paper we address the question whether variability in the Atlantic Meridional Overturning Circulation (AMOC) and its associated heat transport at mid‐latitudes impacts the Arctic Earth system. To that end, we perform coherence analy…

The Tipping Points Modelling Intercomparison Project (TIPMIP): Assessing tipping point risks in the Earth system Open

Ricarda Winkelmann, Donovan Dennis, Jonathan F. Donges, Sina Loriani, Ann Kristin Klose , et al. · 2025

The risk of transgressing critical thresholds triggering nonlinear change in the Earth system increases with rising human pressures from greenhouse gas emissions, land-use change and other drivers. Several key components of the Earth Syste…

E3SM‐Arctic: Regionally Refined Coupled Model for Advanced Understanding of Arctic Systems Interactions Open

Yiling Huo, Hailong Wang, Milena Veneziani, Darin Comeau, Robert Osiński , et al. · 2025

Earth system models are essential tools for climate projections, but coarse resolutions limit regional accuracy, especially in the Arctic. Regionally refined meshes (RRMs) enhance resolution in key areas while maintaining computational eff…

A Brief Overview of HiLAT-RASM Open

Wilbert Weijer · 2024

Understanding ocean stratification and its interannual variability in the northeastern Chukchi Sea Open

Jiaxu Zhang, Wei Cheng, Phyllis J. Stabeno, Milena Veneziani, Wilbert Weijer , et al. · 2024

Ocean stratification on Arctic shelves critically influences nutrient availability, essential for primary production. However, discerning the changes in stratification and their drivers is challenging. Through the use of a high-resolution …

Advancing Marine Arctic Science through Facilitating International Collaborations Open

Wilbert Weijer, Milena Veneziani, Jaclyn Clement Kinney, Wieslaw Maslowski, Jiaxu Zhang , et al. · 2024

Participants met to discuss key marine Arctic processes that contribute to the rapid changes in the Arctic and to develop collaborative activities to address knowledge gaps.

BER Supported Earth System Modeling Activities at LANL, June 2024 [Slides] Open

Stephen Price, Luke Van Roekel, Matthew J. Hoffman, Wilbert Weijer, Nicole Jeffery , et al. · 2024

Bering Strait Ocean Heat Transport Drives Decadal Arctic Variability in a High‐Resolution Climate Model Open

Yuchen Li, Wilbert Weijer, Prajvala Kurtakoti, Milena Veneziani, Ping Chang · 2024

We investigate the role of ocean heat transport (OHT) in driving the decadal variability of the Arctic climate by analyzing the pre‐industrial control simulation of a high‐resolution climate model. While the OHT variability at 65°N is grea…

Slides for DOE BER to present to Congress April 2024 addressing the question: How much sea ice retreat will it take for the climate of the Arctic region to become irreversible, and are there any thresholds to avoid? [Slides] Open

Andrew Roberts, Wilbert Weijer, Wieslaw Maslowski, Milena Veneziani, Hailong Wang , et al. · 2024

Bering Strait Ocean Heat Transport Drives Decadal Arctic Variability in a High-Resolution Climate Model Open

Yuchen Li, Wilbert Weijer, Prajvala Kurtakoti, Milena Veneziani, Ping Chang · 2024

We investigate the role of ocean heat transport (OHT) in driving the decadal variability of the Arctic climate by analyzing the pre-industrial control simulation of a high-resolution climate model. While the OHT variability at 65˚N is grea…

Climatological Relationship between Arctic Cyclone and Tropospheric Polar Vortex Open

Rupsa Bhowmick, Darin Comeau, John J. Cassano, Elizabeth N. Cassano, Steven M. Cavallo , et al. · 2024

Arctic Ocean Stratification Biases in US Earth System Models Open

Wilbert Weijer · 2024

An Arctic regionally refined E3SM configuration: first results from a forced ocean-sea ice (E3SM-Arctic-OSI) simulation Open

Milena Veneziani, Gennaro D’Angelo, Wilbert Weijer · 2024

Modeling for prediction across scales (MPAS): ocean component Open

Xylar Asay‐Davis, John K. Dukowicz, Mathew Maltrud, Philip W. Jones, Matthew Hecht , et al. · 2024

The Bering Strait's Overlooked Role in Amplified Arctic Warming: Insights from High-Resolution Climate Simulations Open

Ping Chang, Gaopeng Xu, M. Cameron Rencurrel, Xiaoqing Liu, Qiuying Zhang , et al. · 2023

The Arctic region has experienced an alarming warming trend, nearly four times faster than the global average since 1979¹, with far-reaching global implications. However, future Arctic warming rates projected by models are uncer…

Sea Ice and Cloud Processes Mediating Compensation between Atmospheric and Oceanic Meridional Heat Transports across the CMIP6 Preindustrial Control Experiment Open

Prajvala Kurtakoti, Wilbert Weijer, Milena Veneziani, Philip J. Rasch, Tarun Verma · 2023

Bjerknes compensation (BJC) refers to the anticorrelation observed between atmospheric and oceanic heat transport (AHT/OHT) variability, particularly on decadal to longer time scales that may be important to the predictability of the clima…

Arctic cyclones have become more intense and longer-lived over the past seven decades Open

Xiangdong Zhang, Han Tang, Jing Zhang, John E. Walsh, Erika Roesler , et al. · 2023

Atmospheric Rivers: Changes in Arctic Sea Ice Open

Francesca Samsel, Greg Abram, Lauren Gant, Wilbert Weijer, Milena Veneziani · 2023

Climate modeling is a critical resource that helps scientists understand the processes and ramifications of global climate change. At the Los Alamos National Laboratory, The High-Latitude Application and Testing of Earth System Models (HiL…

FEOTS v0.0.0: a new offline code for the fast equilibration of tracers in the ocean Open

Joseph Schoonover, Wilbert Weijer, Jiaxu Zhang · 2023

In this paper we introduce a new software framework for the offline calculation of tracer transport in the ocean. The Fast Equilibration of Ocean Tracers Software (FEOTS) is an end-to-end set of tools to efficiently calculate tracer distri…

Arctic cyclones have become more intense and longer-lived over the past seven decades Open

Xiangdong Zhang, Han Tang, Jing Zhang, John E. Walsh, Erika Roesler , et al. · 2023

Datasets created and used for the paper:Zhang, X., Tang, H, Zhang, J., Walsh, J. E., Roesler, E. L., Hillman, B., Ballinger, T. J. & Weijer, W. Arctic cyclones have become more intense and longer-lived over the past seven decades. Commun. …

Asymmetrically Stratified Beaufort Gyre: Mean State and Response to Decadal Forcing Open

Jiaxu Zhang, Wei Cheng, Michael Steele, Wilbert Weijer · 2022

Recent progress in understanding Beaufort Gyre (BG) dynamics reveals an important role of ice‐ocean stress in stabilizing BG freshwater content (FWC) over seasonal to interannual timescales. But how the BG's stratification and FWC respond …

Comment on gmd-2022-277 Open

Wilbert Weijer · 2022

Abstract. The Atlantic meridional overturning circulation (AMOC) is an important part of our climate system. The AMOC is predicted to weaken under climate change, however there are theories that it may have a tipping point…

Comment on gmd-2022-101 Open

Joseph Schoonover, Wilbert Weijer, Jiaxu Zhang · 2022

Abstract. In this paper we introduce a new software framework for the offline calculation of tracer transport in the ocean. The Fast Equilibration of Ocean Tracers Software (FEOTS) is an end-to-end set of tools to efficien…

Corrigendum Open

Zachary Kaufman, Nicole Feldl, Wilbert Weijer, Milena Veneziani · 2022

© 2022 American Meteorological Society. For information regarding reuse of this content and general copyright information, consult the AMS Copyright Policy (www.ametsoc.org/PUBSReuseLicenses). Corresponding author: Zachary S. Kaufman, zska…

Comment on gmd-2022-101 Open

Joseph Schoonover, Wilbert Weijer, Jiaxu Zhang · 2022

In this paper we introduce a new software framework for the offline calculation of tracer transport in the ocean. The Fast Equilibration of Ocean Tracers Software (FEOTS) is an end-to-end set of tools to efficiently calculate tracer distri…

Benthic Kinetic Energy in an Earth System Model and Observations Open

Garrett Baublitz, Wilbert Weijer, Darin Comeau · 2022

The benthic layer of the ocean is closely correlated with every upper layer above it. Close analysis of benthic layer stress can yield an accurate depiction of the state of the ocean, as well as the atmosphere above it. Through the use of …

Reply on CEC1 Open

Joseph Schoonover, Wilbert Weijer, Jiaxu Zhang · 2022

Abstract. In this paper we introduce a new software framework for the offline calculation of tracer transport in the ocean. The Fast Equilibration of Ocean Tracers Software (FEOTS) is an end-to-end set of tools to efficien…

FEOTS: A New Offline Code for the Fast Equilibration of Tracers in the Ocean Open

Joseph Schoonover, Wilbert Weijer, Jiaxu Zhang · 2022

In this paper we introduce a new software framework for the offline calculation of tracer transport in the ocean. The Fast Equilibration of Ocean Tracers Software (FEOTS) is an end-to-end set of tools to efficiently calculate tracer distri…

An evaluation of the E3SMv1 Arctic ocean and sea-ice regionally refined model Open

Milena Veneziani, Wieslaw Maslowski, Younjoo Lee, Gennaro D’Angelo, Robert Osiński , et al. · 2022

The Energy Exascale Earth System Model (E3SM) is a state-of-the-science Earth system model (ESM) with the ability to focus horizontal resolution of its multiple components in specific areas. Regionally refined global ESMs are motivated by …

Wilbert Weijer YOU? Author Swipe