3D Global Climate Simulations of Synthetic Mars Warming
Authors: Tom N. Landefeld, Harald Lesch
Abstract
Artificial warming via engineered aerosols presents a novel pathway to bypass volatile scarcity on modern Mars. Utilizing the Generic Planetary Climate Model, we evaluate the physical feasibility of aerosol-induced terraforming over a full Martian year (669 Sols). Unlike previous approaches that added aerosols to background dust or assumed continuous nanoparticle injection, we simulate the complete substitution of natural dust with a single-injection profile of radiatively active aluminium nanoparticles without continuous dumping. This tests whether initial infrared greenhouse forcing can overcome the severe ice-albedo cooling induced by a massive regional water-ice sheet ($3400 \text{ kg/m}^2$) localized in the Hellas Basin. Comparing this scenario against an unperturbed control run, we analyze surface temperature dynamics, sublimation fluxes, and water vapour concentration. Our 3D global climate simulations quantify the radiative-dynamical feedback thresholds and determine whether engineered aerosol forcing can trigger a self-sustaining water-vapour greenhouse effect or remains fundamentally limited by regional ice-albedo suppression in Hellas.
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Closest papers
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A research roadmap for assessing the feasibility of warming MarsE. S. Kite, A. Essunfeld, M. H. Hecht et al. · 2026 · Instrumentation and Methods for Astrophysics · cited 2 times · AI summary available
The roadmap assesses non-biological ways to warm Mars, including methods that strengthen its natural greenhouse effect.
Abstract
This roadmap outlines research pathways to determine whether Mars could be warmed with non-biological methods. It does not presuppose that warming Mars is desirable; its purpose is to identify what would need to be true for Mars to be warmed, what it would cost, and what could go wrong. Three complementary research tracks appear promising. Solid-state greenhouse membranes offer local warming, aiding water harvesting, food production, and oxygen supply near human bases. Orbiting reflectors can warm key sites such as bases and CO$_2$-ice reservoirs, although a large combined area would be required. Strengthening Mars' natural greenhouse effect might warm large regions or the globe, although ma…
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Changing spatial distribution of water flow charts major change in Mars' greenhouse effectEdwin S. Kite, Michael A. Mischna, Bowen Fan et al. · 2022 · Science Advances 8(21), (2022) · cited 26 times · Not summarized yet
The study links ancient Martian river distributions to global cooling and a weaker greenhouse effect, rather than testing engineered aerosol warming.
Abstract
Early Mars had rivers, but the cause of Mars' wet-to-dry transition remains unknown. Past climate on Mars can be probed using the spatial distribution of climate-sensitive landforms. We analyzed global databases of water-worked landforms and identified changes in the spatial distribution of rivers over time. These changes are simply explained by comparison to a simplified meltwater model driven by an ensemble of global climate model simulations, as the result of $\gtrsim$10 K global cooling, from global average surface temperature (T) $\ge$ 268 K to T $\sim$ 258 K, due to a weaker greenhouse effect. In other words, river-forming climates on Early Mars were warm and wet first, and cold and we…
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Global warming in the pipelineJames E. Hansen, Makiko Sato, Leon Simons et al. · 2022 · Atmospheric and Oceanic Physics · cited 269 times · AI summary available
The paper estimates long-term warming from Earth's greenhouse-gas forcing and discusses human-made aerosols as a cooling influence.
Abstract
Improved knowledge of glacial-to-interglacial global temperature change implies that fast-feedback equilibrium climate sensitivity is at least ~4{\deg}C for doubled CO2 (2xCO2), with likely range 3.5-5.5{\deg}C. Greenhouse gas (GHG) climate forcing is 4.1 W/m2 larger in 2021 than in 1750, equivalent to 2xCO2 forcing. Global warming in the pipeline is greater than prior estimates. Eventual global warming due to today's GHG forcing alone -- after slow feedbacks operate -- is about 10{\deg}C. Human-made aerosols are a major climate forcing, mainly via their effect on clouds. We infer from paleoclimate data that aerosol cooling offset GHG warming for several millennia as civilization developed. …
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Energy Production in Martian Environment -- Powering a Mars Direct-based HabitatGianmario Broccia · 2021 · Earth and Planetary Astrophysics · preprint, not peer reviewed · Not summarized yet
The thesis models Martian habitat energy needs across seasonal conditions, not planetary warming or aerosol forcing.
Abstract
This thesis work aims to study the possibility of energy production on Martian soil and, in particular, to establish what might be an optimal configuration for an energy system. This goal has been contextualized in the will to feed a scientific base, based the concept of "Mars Direct" (Robert Zubrin, 1990). This habitat has been recreated in its thermal features, in order to perform an analysis of the heat loss over a Martian year (1,88 terrestrial years). As part of this analysis, two possible scenarios have been studied: clear sky with medium solar radiation ("sun season") and sand storm season ("storm season"). Subsequently, a basic life support system have been simulated thanks to Aspen …
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Impacts of Anthropogenic Aerosol‐Forced North Atlantic SST Variability on the Simulated Historical Global WarmingH. Rashid · 2026 · Geophysical Research Letters · Not summarized yet
The study examines how anthropogenic aerosols affect North Atlantic temperatures and simulated historical global warming on Earth.
Abstract
Climate models with identical anthropogenic forcings simulate different historical warming, mainly because aerosol forcing is poorly constrained. The role of uncertainty in regional aerosol forcing, however, has not been systematically studied. Using a large ensemble of CMIP6 models, I demonstrate that anthropogenic aerosol‐forced North Atlantic (NA) sea‐surface temperature variability significantly modulates greenhouse gas‐driven global‐mean surface air temperature (GMST) increases in historical simulations, explaining 6.8 (±0.7)% of the ensemble‐mean GMST change. This effect varies widely across models. Consequently, models with strong NA forcing tend to underestimate anthropogenic global …
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Regional anthropogenic aerosol reductions temporarily increase probability of record-breaking heat extremesFlorian Kraulich, P. Pfleiderer, S. Ahmadi et al. · 2026 · Environmental Research: Climate · Not summarized yet
The study assesses how declining anthropogenic aerosols affect record-breaking heat probabilities in Earth's climate.
Abstract
Record-breaking heat extremes are becoming more likely due to anthropogenic climate change, with their probability depending on the regional warming rate. Anthropogenic aerosol forcing modulates these warming rates, and aerosols are declining globally. However, the influence of aerosols on the probability of record-breaking heat extremes remains unclear. Here, we assess how aerosol trends alter record-breaking heat probabilities by combining idealized simulations, CESM2 all-forcing and single-forcing large ensemble simulations, Regional Aerosol Model Intercomparison Project (RAMIP) future aerosol scenarios, and ERA5/MERRA-2 reanalysis data. In reanalysis data, there is a statistically signif…
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Reductions in Climate Zone Changes Under Stratospheric Aerosol Injection Compared to Unabated WarmingJaylynn M. Brunelli, M. Diamond · 2026 · Earth's Future · Not summarized yet
The paper evaluates sulfate aerosol injection as a way to limit Earth's climate-zone changes, rather than warming Mars.
Abstract
As the goals of the Paris Agreement struggle to be met, interest in stratospheric aerosol injection (SAI) has increased due to its potential to reduce the impacts of anthropogenic warming. SAI would aim to cool the Earth by injecting sulfate aerosols or their precursors into the stratosphere, reflecting incoming sunlight back to space. Previous work has shown that SAI could produce regionally varying temperature and precipitation impacts, however, along with global mean drying. Climate classification systems serve as a potentially useful tool in quantifying how concerning these impacts may be. We evaluate the effectiveness of SAI by identifying the types and magnitude of climate zone changes…
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Contrasting aerosol–cloud feedbacks across a warming ArcticSamuel De Xun Chua, Herbert G. Hartl, M. Boyer et al. · 2026 · Nature Geoscience · Not summarized yet
The study analyzes Arctic aerosol-cloud feedbacks and particle formation, not radiative aerosol warming on Mars.
Abstract
In the rapidly warming Arctic, the feedback between aerosols and clouds is a major source of uncertainty in projections of future climate. One source of this uncertainty is the role of new particle formation, which produces aerosol particles that can subsequently grow into cloud condensation nuclei, thereby influencing Arctic cloud formation. Here harmonized field aerosol observations across the Arctic spanning 2003–2024, alongside satellite-derived data, were analysed to quantify trends in new particle formation and estimate their climatic implications across the Arctic region. Three distinct aerosol regimes, with contrasting contributions of new particle formation to cloud condensation nuc…
Prior work it builds on
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The atmosphere and climate of MarsR. Haberle, R. Clancy, F. Forget et al. · 2017 · cited 404 times · Not summarized yet
The cited work describes Mars's atmosphere and climate, providing background for the climate simulations.
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CO2 condensation is a serious limit to the deglaciation of Earth-like planetsM. Turbet, F. Forget, J. Leconte et al. · 2017 · Earth and Planetary Science Letters · cited 46 times · Not summarized yet
The study uses a 3D climate model to examine CO2-driven deglaciation limits on Earth-like planets, rather than nanoparticle warming on Mars.
Abstract
Abstract It is widely believed that the carbonate–silicate cycle is the main agent, through volcanism, to trigger deglaciations by CO2 greenhouse warming on Earth and on Earth-like planets when they get in a frozen state. Here we use a 3D Global Climate Model to simulate the ability of planets initially completely frozen to escape from glaciation episodes by accumulating enough gaseous CO2. The model includes CO2 condensation and sublimation processes and the water cycle. We find that planets with Earth-like characteristics (size, mass, obliquity, rotation rate, etc.) orbiting a Sun-like star may never be able to escape from a glaciation era, if their orbital distance is greater than ∼1.27 A…
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Updated on 6 November 2026.