Max Planck Institute for Meteorology

Resolution Dependence of the Climate Feedback Parameter in Km‐Scale Climate Models

Abstract Global storm‐resolving models (GSRMs) provide new opportunities to investigate the climate response to warming with explicitly resolved deep convection. However, the limited number of existing studies has so far precluded the systematic assessment of similarities and dif...

Spontaneous zonal symmetry breaking of tropical rain belt

Abstract The intertropical convergence zone (ITCZ) is a central component of tropical climate, yet the conditions under which a tropical rain belt remains zonally extended or becomes unstable to zonal organization remain poorly understood. Here we investigate this problem using i...

T-REX: the tile-based representation of lateral exchange processes in ICON-Land

The vast majority of land-surface models uses a tiling-approach to capture the effects of subgrid-scale spatial heterogeneity in the land-surface properties. In most cases, however, the tiles, which represent patches with homogeneous characteristics at and below the surface, are...

Natural methane emissions feedbacks in MAGICC v. 7.6

Literature estimates of natural methane emissions, particularly from wetlands, have a wide range of uncertainty. Meanwhile, few Earth System Models (ESMs) explicitly model wetlands as a potential source of methane. As a result, Simple Climate Models that aim to emulate the behavi...

Natural wetland methane emissions simulated by ICON-XPP

Natural wetlands emit roughly one third of the global methane emissions, yet their contribution remains highly uncertain. To reduce this uncertainty, we incorporated a fully coupled wetland-hydrology and wetland-methane module into the ICON-XPP Earth-system model and performed a...

The Cloud Feedback Model Intercomparison Project (CFMIP) contribution to CMIP7

Cloud processes constitute one of the key uncertainties for climate change projections. The fourth iteration of the Cloud Feedback Model Intercomparison Project, CFMIP4, contributes to the Coupled Model Intercomparison Project phase 7 (CMIP7), by providing a set of global climate...

Detectability of solid particle injections into the stratosphere with satellite solar occultation instruments

Stratospheric aerosol injections (SAI) have been proposed as a potential climate intervention to mitigate some effects of global warming. This method involves the idea of injecting sulphur dioxide into the stratosphere. Other ideas include the injection of solid particles, like a...

Sea Level Emulator Intercomparison Project (SLEIP) Phase 1: Assessing emulated multi-century global mean sea level projections

Abstract. Simplified sea level modelling approaches calibrated against reference data, also referred to as sea level emulators, can explore future sea level rise and associated uncertainties with low computational cost. Here, we introduce the Sea Level Emulator Intercomparison Pr...

Trends in Heat Stress During Heat Waves Across Europe (1979–2023)

Abstract With heat waves becoming more frequent and intense under global warming, heat stress is a growing public health risk. We analyze heat stress trends (Simplified Wet Bulb Globe Temperature, sWBGT) during European heatwaves (1979–2023) using observations and reanalysis data...

Volcano–climate interactions: reframing the volcano–climate puzzle

Explosive volcanic eruptions are major natural perturbations of the Earth system. By increasing stratospheric aerosol loading, they exert a dual radiative forcing: enhanced scattering of incoming solar radiation induces global surface cooling, while absorption of terrestrial radi...