Thomas Rackow
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View article: Datasets and protocols for including anomalous freshwater from melting ice sheets in climate simulations
Datasets and protocols for including anomalous freshwater from melting ice sheets in climate simulations Open
Anomalous freshwater fluxes from the Greenland and Antarctic ice sheets and ice shelves are impacting the surrounding oceans, and we need to be able to account for these effects in climate model simulations over the historical period and i…
View article: nextGEMS: entering the era of kilometer-scale Earth system modeling
nextGEMS: entering the era of kilometer-scale Earth system modeling Open
The Next Generation of Earth Modeling Systems (nextGEMS) project aimed to produce multidecadal climate simulations, for the first time, with resolved kilometer-scale (km-scale) processes in the ocean, land, and atmosphere. In only 3 years,…
View article: The Destination Earth digital twin for climate change adaptation
The Destination Earth digital twin for climate change adaptation Open
The Climate Change Adaptation Digital Twin (Climate DT), developed as part of the European Commission’s Destination Earth (DestinE) initiative, is a pioneering effort to build an operational climate information system in support of adaptat…
View article: Datasets and protocols for including anomalous freshwater from melting ice sheets in climate simulations
Datasets and protocols for including anomalous freshwater from melting ice sheets in climate simulations Open
Anomalous freshwater fluxes from the Greenland and Antarctic ice sheets and ice shelves are impacting the surrounding oceans and we need to be able to account for these effects in climate model simulations over the historical period and be…
View article: Are the Largest Benefits of Kilometer‐Scale Climate Models Over Mountains or Over Flatland?
Are the Largest Benefits of Kilometer‐Scale Climate Models Over Mountains or Over Flatland? Open
Climate and weather simulations are challenging in mountainous regions, due to complex meteorological processes. While a kilometer‐scale grid spacing significantly improves the representation of topography, little is known about the associ…
View article: High-latitude Southern Ocean eddy activity projected to evolve with anthropogenic climate change
High-latitude Southern Ocean eddy activity projected to evolve with anthropogenic climate change Open
Ocean eddy activity in the high-latitude Southern Ocean is linked to critical drivers of the global climate, yet it is missing from effectively all projections of climate change due to computational costs. Using a high-resolution ocean mod…
View article: Recent global temperature surge intensified by record-low planetary albedo
Recent global temperature surge intensified by record-low planetary albedo Open
In 2023, the global mean temperature soared to almost 1.5°C above the preindustrial level, surpassing the previous record by about 0.17°C. Previous best-guess estimates of known drivers, including anthropogenic warming and the El…
View article: 4.4-km global climate projections with IFS-FESOM
4.4-km global climate projections with IFS-FESOM Open
We present the current IFS-FESOM model configuration of the Destination Earth (DestinE) project, which we used to compute a coupled climate projection (SSP-3.70) from 2020 to 2040 with unprecedented storm-resolving resolution. The atmosphe…
View article: Analysis of optimal atmospheric predictability using machine learning-based forecasting models
Analysis of optimal atmospheric predictability using machine learning-based forecasting models Open
With the development of highly skillful, machine learning-based weather prediction models over the last 2-3 years, many new possibilities have emerged. These include applications, such as downscaling, temporal interpolation, or generating …
View article: Eddy activity in the high-latitude Southern Ocean and its response to climate change
Eddy activity in the high-latitude Southern Ocean and its response to climate change Open
Eddy activity in the high-latitude Southern Ocean is linked to critical drivers of the global climate such as Antarctic Bottom Water (AABW) formation, seasonal sea ice cover, and shoreward heat transport. Yet, no comprehensive description …
View article: Exploring AI-Driven Event-based Storylines
Exploring AI-Driven Event-based Storylines Open
Artificial Intelligence-based Numerical Weather Prediction (AI-NWP) models have recently emerged as powerful tools for weather forecasting, offering computational efficiency and high accuracy. This study explores the extreme weather events…
View article: Scientific developments of IFS-NEMO for Destination Earth’s Climate Adaptation Digital Twin
Scientific developments of IFS-NEMO for Destination Earth’s Climate Adaptation Digital Twin Open
The Climate Adaptation Digital Twin within the Destination Earth project represents an innovative initiative aimed at achieving operational kilometer-scale global climate simulations to support climate adaptation efforts. Three state-of-th…
View article: Are global km-scale climate models becoming indistinguishable from observations?
Are global km-scale climate models becoming indistinguishable from observations? Open
Simulating global climate has been a challenge and aspiration ever since the advent of numerical modeling. Today, global climate models have become essential tools to understand the climate system, project future changes, and inform mitiga…
View article: Multi-year simulations at kilometre scale with the Integrated Forecasting System coupled to FESOM2.5 and NEMOv3.4
Multi-year simulations at kilometre scale with the Integrated Forecasting System coupled to FESOM2.5 and NEMOv3.4 Open
We report on the first multi-year kilometre-scale global coupled simulations using ECMWF's Integrated Forecasting System (IFS) coupled to both the NEMO and FESOM ocean–sea ice models, as part of the H2020 Next Generation Earth Modell…
View article: nextGEMS: entering the era of kilometer-scale Earth system modeling
nextGEMS: entering the era of kilometer-scale Earth system modeling Open
The Next Generation of Earth Modeling Systems (nextGEMS) project aimed to produce multi-decadal climate simulations, for the first time, with resolved kilometer-scale (km-scale) processes in the ocean, land, and atmosphere. In only three y…
View article: Multi-year simulations at kilometre scale with the Integrated Forecasting System coupled to FESOM2.5 and NEMOv3.4
Multi-year simulations at kilometre scale with the Integrated Forecasting System coupled to FESOM2.5 and NEMOv3.4 Open
We report on the first multi-year kilometre-scale global coupled simulations using ECMWF's Integrated Forecasting System (IFS) coupled to both the NEMO and FESOM ocean–sea ice models, as part of the H2020 Next Generation Earth Modelling Sy…
View article: Comment on egusphere-2024-913
Comment on egusphere-2024-913 Open
Abstract. We report on the first multi-year km-scale global coupled simulations using ECMWF’s Integrated Forecasting System (IFS) coupled to both the NEMO and FESOM ocean-sea ice models, as part of the Horizon 2020 Next Generation Earth Mo…
View article: Recent global temperature surge amplified by record-low planetary albedo
Recent global temperature surge amplified by record-low planetary albedo Open
In 2023, the global mean temperature soared to 1.48K above the pre-industrial level, surpassing the previous record by 0.17K. Previous best-guess estimates of known drivers including anthropogenic warming and the El Nino onset fall short b…
View article: A comprehensive Earth system model (AWI-ESM2.1) with interactive icebergs: effects on surface and deep-ocean characteristics
A comprehensive Earth system model (AWI-ESM2.1) with interactive icebergs: effects on surface and deep-ocean characteristics Open
The explicit representation of cryospheric components in Earth system models has become more and more important over the last years. However, there are few advanced coupled Earth system models that employ interactive icebergs, and most ice…
View article: Comment on egusphere-2024-913
Comment on egusphere-2024-913 Open
Abstract. We report on the first multi-year km-scale global coupled simulations using ECMWF’s Integrated Forecasting System (IFS) coupled to both the NEMO and FESOM ocean-sea ice models, as part of the Horizon 2020 Next Generation Earth Mo…
View article: Multi-year simulations at kilometre scale with the Integrated Forecasting System coupled to FESOM2.5/NEMOv3.4
Multi-year simulations at kilometre scale with the Integrated Forecasting System coupled to FESOM2.5/NEMOv3.4 Open
We report on the first multi-year km-scale global coupled simulations using ECMWF’s Integrated Forecasting System (IFS) coupled to both the NEMO and FESOM ocean-sea ice models, as part of the Horizon 2020 Next Generation Earth Modelling Sy…
View article: PREPRINT OF MANUSCRIPT ACCEPTED AT ELEMENTA: SCIENCE OF THE ANTHROPOCENE "The MOSAiC Distributed Network: observing the coupled Arctic system with multidisciplinary, coordinated platforms"
PREPRINT OF MANUSCRIPT ACCEPTED AT ELEMENTA: SCIENCE OF THE ANTHROPOCENE "The MOSAiC Distributed Network: observing the coupled Arctic system with multidisciplinary, coordinated platforms" Open
Central Arctic properties and processes are important to the regional and global coupled climate system.The Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) Distributed Network (DN) of autonomous ice-tethered…
View article: Ocean Eddy-rich Climate Simulation with IFS-FESOM
Ocean Eddy-rich Climate Simulation with IFS-FESOM Open
Efforts to enhance climate model simulations by achieving higher resolutions to explicitly capture sub-grid scale processes constitute a central objective in contemporary climate modeling. In this pursuit, our focus is on resolving a pivot…
View article: Demonstrating the potential of km-scale multi-annual coupled global simulations in nextGEMS: a (urban) surface perspective
Demonstrating the potential of km-scale multi-annual coupled global simulations in nextGEMS: a (urban) surface perspective Open
The nextGEMS project is dedicated to develop global coupled earth-system models for multidecadal climate projections at a kilometre-scale resolution. By harnessing the strengths of high spatial resolution, the project seeks to improve the …
View article: Km-scale climate simulations with IFS-FESOM
Km-scale climate simulations with IFS-FESOM Open
Within the EU’s Destination Earth (DestinE) initiative we are developing a digital climate twin with km-scale resolution. This enables us to resolve physical processes that, so far, have only been represented by approximations. This …
View article: Exploring the ocean mesoscale at reduced computational cost with FESOM 2.5: efficient modeling strategies applied to the Southern Ocean
Exploring the ocean mesoscale at reduced computational cost with FESOM 2.5: efficient modeling strategies applied to the Southern Ocean Open
Modeled projections of climate change typically do not include a well-resolved ocean mesoscale due to the high computational cost of running high-resolution models for long time periods. This challenge is addressed using efficiency-maximiz…
View article: The MOSAiC Distributed Network: Observing the coupled Arctic system with multidisciplinary, coordinated platforms
The MOSAiC Distributed Network: Observing the coupled Arctic system with multidisciplinary, coordinated platforms Open
Central Arctic properties and processes are important to the regional and global coupled climate system. The Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) Distributed Network (DN) of autonomous ice-tethere…
View article: Namelist files and settings for multi-year km-scale nextGEMS Cycle 3 simulations with IFS-FESOM/NEMO
Namelist files and settings for multi-year km-scale nextGEMS Cycle 3 simulations with IFS-FESOM/NEMO Open
This dataset contains the used atmosphere, land, wave, and ocean model namelist files and settings for the multi-year km-scale nextGEMS Cycle 3 simulations with IFS-FESOM (TCo2559 atmosphere at 4.4km resolution + 5km ocean; TCo1279 atmosph…