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Related Experiment Video

Updated: Mar 29, 2026

Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface

Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface

Published on: June 8, 2015

Spatial interactions in a modified Daisyworld model: Heat diffusivity and greenhouse effects.

T Alberti¹, L Primavera¹, A Vecchio^2,3

¹Dipartimento di Fisica, Università della Calabria, Ponte P. Bucci Cubo 31C, 87036 Rende (CS), Italy.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics

|December 15, 2015

Summary

This study enhances the Daisyworld model by adding latitude and greenhouse effects. It demonstrates how these factors stabilize vegetation and self-regulate planetary climate, even under varying solar luminosity.

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Last Updated: Mar 29, 2026

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Area of Science:

Planetary Science
Climate Modeling
Ecology

Background:

The Daisyworld model simplifies interactions between a planet's biosphere and solar radiation.
Previous models lacked spatial complexity and detailed climate feedback mechanisms.

Purpose of the Study:

To investigate a modified Daisyworld model with spatial and greenhouse effect considerations.
To analyze the stabilization of coexisting vegetation types and planetary climate self-regulation.

Main Methods:

Incorporation of spatial dependency on latitude into the Daisyworld model.
Introduction of variable heat diffusivity and a simple greenhouse effect.
Analysis of albedo feedback mechanisms for climate regulation.

Main Results:

Spatial interactions were found to locally stabilize the coexistence of two vegetation types.
The model demonstrated efficient self-regulation of planetary climate through albedo feedback.
Stable climate equilibria were achieved even with solar luminosity variations.

Conclusions:

Modified Daisyworld model with spatial dynamics and greenhouse effects enhances climate regulation.
Planetary climate can be self-regulated by biosphere-albedo feedbacks under diverse solar conditions.
This research provides insights into Earth system stability and habitability.