Michael Schindelegger
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View article: Assessment of ocean bottom pressure variations in CMIP6 HighResMIP simulations
Assessment of ocean bottom pressure variations in CMIP6 HighResMIP simulations Open
Ocean bottom pressure (pb) variations from high-resolution climate model simulations under the CMIP6 (Coupled Model Intercomparison Project Phase 6) HighResMIP protocol are potentially useful for oceanographic and space-geodetic research, …
View article: ENSO Modulates the Oceanic Excitation of Polar Motion
ENSO Modulates the Oceanic Excitation of Polar Motion Open
The El Niño–Southern Oscillation (ENSO) exerts a strong control on interannual length‐of‐day variations, but its imprint on polar motion excitation remains to be identified. We explore the hypothesis that part of this imprint is embedded i…
View article: ENSO modulates the oceanic excitation of polar motion
ENSO modulates the oceanic excitation of polar motion Open
View article: Relating Atlantic meridional deep-water transport to ocean bottom pressure variations as a target for satellite gravimetry missions
Relating Atlantic meridional deep-water transport to ocean bottom pressure variations as a target for satellite gravimetry missions Open
The Atlantic Meridional Overturning Circulation (AMOC) is a salient feature of the climate system that is observed with respect to its strength and variability using a wide range of offshore installations and expensive sea-going expedition…
View article: Three Drivers of 21st-Century Changes in Ocean Tides
Three Drivers of 21st-Century Changes in Ocean Tides Open
View article: The Amplified Glacial Arctic Tide Regime—Sensitivities and Feedback on the Atlantic Ocean
The Amplified Glacial Arctic Tide Regime—Sensitivities and Feedback on the Atlantic Ocean Open
Numerical tide simulations for the Arctic Ocean under glacial conditions imply a macro- to megatidal regime in contrast to its present-day microtidal regime. Applying a barotropic ocean tide model, we study the sensitivity of this regime c…
View article: Supplementary material to "Assessment of Ocean Bottom Pressure Variations in CMIP6 HighResMIP Simulations"
Supplementary material to "Assessment of Ocean Bottom Pressure Variations in CMIP6 HighResMIP Simulations" Open
View article: Assessment of Ocean Bottom Pressure Variations in CMIP6 HighResMIP Simulations
Assessment of Ocean Bottom Pressure Variations in CMIP6 HighResMIP Simulations Open
Ocean bottom pressure (pb) variations from high-resolution climate model simulations under the CMIP6 (Coupled Model Intercomparison Project Phase 6) HighResMIP protocol are potentially useful for oceanographic and space-geodetic research, …
View article: Trends in the M$$_2$$ ocean tide observed by satellite altimetry in the presence of systematic errors
Trends in the M$$_2$$ ocean tide observed by satellite altimetry in the presence of systematic errors Open
Trends in the deep-ocean M $$_2$$ barotropic tide, deduced from nearly three decades of satellite altimetry and recently presented by Opel et al. (Commun Earth Environ 5:261, https://doi.org/10.1038/s43247-024-01432-5 , 2024), are here …
View article: Downscaling GRACE-derived ocean bottom pressure anomalies using self-supervised data fusion
Downscaling GRACE-derived ocean bottom pressure anomalies using self-supervised data fusion Open
The gravimetry measurements from the Gravity Recovery and Climate Experiment (GRACE) and its follow-on (GRACE-FO) mission provide an essential way to monitor changes in ocean bottom pressure ( $$p_b$$ ), which is a critical variable in…
View article: Chaotic oceanic excitation of low-frequency polar motion variability
Chaotic oceanic excitation of low-frequency polar motion variability Open
Studies of Earth rotation variations generally assume that changes in non-tidal oceanic angular momentum (OAM) manifest the ocean's direct response to atmospheric forces. However, fluctuations in OAM may also arise from chaotic intrinsic o…
View article: Global Atmospheric Normal Modes Identified in Surface Barometric Observations
Global Atmospheric Normal Modes Identified in Surface Barometric Observations Open
View article: Seasonal Cycle in Sea Level Across the Coastal Zone
Seasonal Cycle in Sea Level Across the Coastal Zone Open
Data from tide gauges and satellite altimeters are used to provide an up‐to‐date assessment of the mean seasonal cycle in sea level () over most of the global coastal ocean. The tide gauge records, where available, depict a seasonal cycle …
View article: Relating North Atlantic Deep Water transport to ocean bottom pressure variations as a target for satellite gravimetry missions
Relating North Atlantic Deep Water transport to ocean bottom pressure variations as a target for satellite gravimetry missions Open
The Atlantic Meridional Overturning Circulation (AMOC) is a salient feature of the climate system, observed for its strength and variability with a wide range of offshore installations and expensive sea-going expeditions. Satellite-based m…
View article: Revisiting the Excitation of Free Core Nutation
Revisiting the Excitation of Free Core Nutation Open
Earth possesses a Poincaré mode called Free Core Nutation (FCN) due to the misalignment of the rotation axes of the mantle and fluid outer core. FCN is the primary signal in the observations of Celestial Pole Offsets (CPO) and maintained b…
View article: Chaotic oceanic excitation of low-frequency polar motion variability
Chaotic oceanic excitation of low-frequency polar motion variability Open
Studies of Earth rotation variations generally assume that changes in non-tidal oceanic angular momentum (OAM) manifest the ocean's direct response to atmospheric forces. However, fluctuations in OAM may also arise from chaotic intrinsic o…
View article: How Well Do We Know the Seasonal Cycle in Ocean Bottom Pressure?
How Well Do We Know the Seasonal Cycle in Ocean Bottom Pressure? Open
We revisit the nature of the ocean bottom pressure ( p b ) seasonal cycle by leveraging the mounting GRACE‐based p b record and its assimilation in the ocean state estimates produced by the project for Estimating the Circulation and Climat…
View article: A likely role for stratification in long-term changes of the global ocean tides
A likely role for stratification in long-term changes of the global ocean tides Open
Stratification—that is, the vertical change in seawater density—exerts a subtle control on the energetics and thus the surface elevation of barotropic (depth independent) flows in the ocean. Changes in stratification therefore provide a pl…
View article: Downscaling GRACE-derived ocean bottom pressure anomalies using self-supervised data fusion
Downscaling GRACE-derived ocean bottom pressure anomalies using self-supervised data fusion Open
The gravimetry measurements from the Gravity Recovery and Climate Experiment (GRACE) and its follow-on (GRACE-FO) satellite mission provide an essential way to monitor changes in ocean bottom pressure ($p_b$), which is a critical variable …
View article: Changes in ocean tides by the end of the 21st century in response to stronger stratification
Changes in ocean tides by the end of the 21st century in response to stronger stratification Open
Recent model results in combination with observations have provided a first coherent picture of secular changes in ocean tides since 1993. Strengthening of ocean stratification has been identified as an important driver of the observed sec…
View article: Recovering North Atlantic meridional transport variability from bottom pressure anomalies – a revisit
Recovering North Atlantic meridional transport variability from bottom pressure anomalies – a revisit Open
Significant resources have been and are continuing to be devoted to monitor variability in the North Atlantic Meridional Overturning Circulation (AMOC), an essential component of the climate system. Transport mooring arrays are one means o…
View article: The excitation of free core nutation: a reappraisal
The excitation of free core nutation: a reappraisal Open
Free Core Nutation (FCN) is a rotational normal mode of the Earth arising from the misalignment of the rotation vectors of the mantle and the fluid outer core. There has long been suggestive evidence that this mode is excited against dissi…
View article: How the treatment of sea surface temperature affects the water cycle in EURO-CORDEX simulations
How the treatment of sea surface temperature affects the water cycle in EURO-CORDEX simulations Open
Regional climate models (RCMs) over Europe often exhibit wet precipitation biases, primarily attributed to excess oceanic evaporation across time scales. One likely source for such wet biases are therefore imperfections in the models’…
View article: Improving the spatial resolution of global mass changes observed by GRACE(-FO) using deep learning — from terrestrial water to the ocean
Improving the spatial resolution of global mass changes observed by GRACE(-FO) using deep learning — from terrestrial water to the ocean Open
Gravity field solutions from the Gravity Recovery and Climate Experiment (GRACE) and its follow-on (GRACE-FO) satellite mission provide an essential way to monitor mass changes in the climate system, comprising terrestrial water storage (T…
View article: Chaotic oceanic excitation of low-frequency polar motion variability
Chaotic oceanic excitation of low-frequency polar motion variability Open
Studies of Earth rotation variations generally assume that changes in non-tidal oceanic angular momentum (OAM) manifest the ocean's forced response to atmospheric pressure, wind, and heat and freshwater fluxes. However, on monthly and long…
View article: How well do we know the seasonal cycle in ocean bottom pressure?
How well do we know the seasonal cycle in ocean bottom pressure? Open
We revisit the nature of the ocean bottom pressure (OBP) seasonal cycle by leveraging the mounting GRACE-based OBP record and its assimilation in the ocean state estimates produced by the project for Estimating the Circulation and Climate …
View article: Late Pleistocene Evolution of Tides and Tidal Dissipation
Late Pleistocene Evolution of Tides and Tidal Dissipation Open
Studies of the Last Glacial Maximum (LGM; 26.5–19 ka) tides showed strong enhancements in open ocean tidal amplitudes and dissipation rates; however, changes prior to the LGM remain largely unexplored. Using two different ice sheet and sea…
View article: A likely role for stratification in secular changes of the global ocean tides
A likely role for stratification in secular changes of the global ocean tides Open
Stratification - that is, the vertical change in seawater density - exerts a subtle control on the energetics and thus the surface elevation of barotropic (depth independent) flows in the ocean. Changes in stratification therefore provide …
View article: Late Pleistocene evolution of tides and tidal dissipation: dissipation data
Late Pleistocene evolution of tides and tidal dissipation: dissipation data Open
These .mat files contain the dissipation files calculated in Wilmes et al. (2023) Late Pleistocene evolution of tides and tidal dissipation. For details on how dissipation was calculated and the simulation details see the paper. Each file …
View article: Late Pleistocene evolution of tides and tidal dissipation: dissipation data
Late Pleistocene evolution of tides and tidal dissipation: dissipation data Open
These .mat files contain the dissipation files calculated in Wilmes et al. (2023) Late Pleistocene evolution of tides and tidal dissipation. For details on how dissipation was calculated and the simulation details see the paper. Each file …