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Climate Tipping Points: Uncertainty-aware quantification of Earth system tipping potential from observations and models and assessment of associated climatic, ecological, and socioeconomic impacts

Descripción del proyecto

Un estudio más detallado de los puntos de inflexión climáticos provocados por el hombre

Los factores de estrés antropogénicos, como el aumento de las temperaturas y el cambio de uso del suelo, suponen una amenaza sin precedentes para el clima, los ecosistemas y las sociedades de la Tierra. En este contexto, el proyecto ClimTip, financiado con fondos europeos, se centrará en el principio de precaución. En concreto, se ahondará en los mecanismos, repercusiones y riesgos asociados a posibles puntos de inflexión irreversibles. Esta iniciativa mejorará la comprensión de los puntos de inflexión del sistema terrestre a través de datos paleoclimáticos, observacionales y de modelos. El objetivo de ClimTip es identificar los espacios operativos seguros, los umbrales críticos y las tasas. Ofrecerá un servicio climático único con datos de alta resolución sobre los puntos de inflexión a escala mundial. El planteamiento integral del proyecto promete dar forma a estrategias climáticas alineadas con el Acuerdo de París y la Estrategia de la Unión Europea sobre la Biodiversidad de aquí a 2030.

Objetivo

The likelihood of large-scale Earth system tipping events under ongoing anthropogenic forcing remains uncertain. In view of the possible irreversibility associated with such events and the potentially catastrophic global consequences on climate, ecosystems, and society, the precautionary principle demands thorough investigation of the underlying mechanisms, compound or cascading impacts, and associated risks. ClimTip will substantially advance the process understanding of possible Earth system Tipping Elements (TEs). It will provide the methodological framework for characterising and constraining potential TEs from paleoclimate, observational and model data, for identifying unknown tipping potential from observations and models, and for quantifying resilience and changes thereof in climate and ecosystems, including early-warning of forthcoming transitions. Earth system models (ESMs) are the primary tool for projecting the risk of large-scale tipping events and ClimTip will substantially improve their representation of suggested TEs. This will enable the identification of safe operating spaces for a stable Earth system by characterising key Earth system TEs in terms of their critical thresholds and rates, hysteresis and overshoot potential via empirical data and ESMs, taking into account the associated uncertainties. As a unique climate service, ClimTip will provide global high-resolution bias-corrected climate fields for large-scale tipping events based on storylines of tipping in comprehensive ESMs. The associated impacts on climate, ecosystems, biodiversity, agriculture, society and economy will be assessed globally and put in relation with the Paris Agreement and the EU Biodiversity Strategy 2030. ClimTip will deliver a comprehensive and precise knowledge basis for tipping-aware risk assessment and adaptation and mitigation strategies. Results will be disseminated to the scientific community, general public, and targeted audiences including IPBES and IPCC.

Coordinador

TECHNISCHE UNIVERSITAET MUENCHEN
Aportación neta de la UEn
€ 1 617 189,05
Dirección
Arcisstrasse 21
80333 Muenchen
Alemania

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Región
Bayern Oberbayern München, Kreisfreie Stadt
Tipo de actividad
Higher or Secondary Education Establishments
Enlaces
Coste total
Sin datos

Participantes (11)

Socios (9)