Project acronym DEEP PURPLE
Project DEEP PURPLE: darkening of the Greenland Ice Sheet
Researcher (PI) Martyn TRANTER, Alexandre Barbosa Anesio, Liane Benning
Host Institution (HI) AARHUS UNIVERSITET
Country Denmark
Call Details Synergy Grants (SyG), SyG, ERC-2019-SyG
Summary The stability of the Greenland Ice Sheet (GrIS) is a threat to coastal communities worldwide. The PIs have changed our understanding of why it darkens during the melt season, becoming increasingly deep purple due to pigmented ice algal blooms in the ice surface, producing more melt and accelerating the GrIS towards its tipping point, and increasing sea level. The next step jump in our understanding of biological darkening will be provided by DEEP PURPLE, which will establish the factors that control ice algal blooms. These factors are essential for modelling of future melting, which require a process-based understanding of blooming. DEEP PURPLE will quantify the synergies between the biology, chemistry and physics of ice algae micro-niches in rotting, melting ice, and examine the combination of factors which stabilise them. State-of-the-science analytical and observational methods will be employed to characterise the complex mosaic of wet ice habitats, dependent on factors such as the hydrology, nutrient status, particulate content and light fields within these continually evolving ice-water-particulate-microbe systems. We will quantitatively assess why and how the fine light mineral dust particulates contained within the melting ice amplify the growth of ice algae. The particulate content and composition of different layers in the GrIS is dependent on age, and so the algae that the melting ice can support may fundamentally change over time. We look back to understand if the ice biome has changed through the Anthropocene via analyse of fjord sediments. The first draft genome of ice algae will show their key adaptations to glacier surface habitats. DEEP PURPLE looks forward by providing the critical field data sets and conceptual models of ice algal growth that will facilitate the next generation of predictive models of sea level rise due to biologically enhanced melting of the GrIS.
Summary
The stability of the Greenland Ice Sheet (GrIS) is a threat to coastal communities worldwide. The PIs have changed our understanding of why it darkens during the melt season, becoming increasingly deep purple due to pigmented ice algal blooms in the ice surface, producing more melt and accelerating the GrIS towards its tipping point, and increasing sea level. The next step jump in our understanding of biological darkening will be provided by DEEP PURPLE, which will establish the factors that control ice algal blooms. These factors are essential for modelling of future melting, which require a process-based understanding of blooming. DEEP PURPLE will quantify the synergies between the biology, chemistry and physics of ice algae micro-niches in rotting, melting ice, and examine the combination of factors which stabilise them. State-of-the-science analytical and observational methods will be employed to characterise the complex mosaic of wet ice habitats, dependent on factors such as the hydrology, nutrient status, particulate content and light fields within these continually evolving ice-water-particulate-microbe systems. We will quantitatively assess why and how the fine light mineral dust particulates contained within the melting ice amplify the growth of ice algae. The particulate content and composition of different layers in the GrIS is dependent on age, and so the algae that the melting ice can support may fundamentally change over time. We look back to understand if the ice biome has changed through the Anthropocene via analyse of fjord sediments. The first draft genome of ice algae will show their key adaptations to glacier surface habitats. DEEP PURPLE looks forward by providing the critical field data sets and conceptual models of ice algal growth that will facilitate the next generation of predictive models of sea level rise due to biologically enhanced melting of the GrIS.
Max ERC Funding
11 007 344 €
Duration
Start date: 2020-01-01, End date: 2025-12-31
Project acronym ReNewQuantum
Project Recursive and Exact New Quantum Theory
Researcher (PI) Joergen Ellegaard ANDERSEN, Bertrand Eynard, Maxim Kontsevich, Marcos Marino
Host Institution (HI) SYDDANSK UNIVERSITET
Country Denmark
Call Details Synergy Grants (SyG), SyG, ERC-2018-SyG
Summary The overarching goal of ReNewQuantum is to renew the mathematical foundation behind quantum phenomena.
We aim to construct a recursive and exact new approach to quantum theory. Quantum theory is one of the pillars of modern science. Its success stretches from elementary quantum mechanical models, developed a century ago by quantization of classical mechanics, to advanced quantum field theories such as the standard model of particle physics, which is the quantization of a gauge theory. However, a precise and universal mathematical formulation of the quantization procedure is still lacking. In addition, there are very few analytic methods in Quantum Mechanics and in Quantum Field Theory. They are typically based on approximation schemes which often lead to quantitative and even qualitative failures in our descriptions.
In response to these shortcomings, the main objective of ReNewQuantum is to construct a completely new
mathematical approach to quantization and to quantum systems. This quantum theory will provide:
- a global, explicit and recursive description of the series of quantum corrections,
- access to exact quantum regimes beyond perturbation theory,
- a well founded mathematical theory underlying the quantization procedure, based on geometric structures,
and applicable to quantum field theory and string theory.
ReNewQuantum will take the lead among the world scientific community in building this new theory of
quantum physics. The researchers behind ReNewQuantum have already made important contributions along
these directions. The construction of a recursive and exact new approach to quantum theory with the stated
properties will only be possible through their joint synergetic effort and a combination of their deep mathematical
and physical expertises, including geometry, topology and the mathematical theory of quantization (Andersen,
Kontsevich), and quantum mechanics, quantum field theory, random matrix theory and string theory (Eynard,
Mariño).
Summary
The overarching goal of ReNewQuantum is to renew the mathematical foundation behind quantum phenomena.
We aim to construct a recursive and exact new approach to quantum theory. Quantum theory is one of the pillars of modern science. Its success stretches from elementary quantum mechanical models, developed a century ago by quantization of classical mechanics, to advanced quantum field theories such as the standard model of particle physics, which is the quantization of a gauge theory. However, a precise and universal mathematical formulation of the quantization procedure is still lacking. In addition, there are very few analytic methods in Quantum Mechanics and in Quantum Field Theory. They are typically based on approximation schemes which often lead to quantitative and even qualitative failures in our descriptions.
In response to these shortcomings, the main objective of ReNewQuantum is to construct a completely new
mathematical approach to quantization and to quantum systems. This quantum theory will provide:
- a global, explicit and recursive description of the series of quantum corrections,
- access to exact quantum regimes beyond perturbation theory,
- a well founded mathematical theory underlying the quantization procedure, based on geometric structures,
and applicable to quantum field theory and string theory.
ReNewQuantum will take the lead among the world scientific community in building this new theory of
quantum physics. The researchers behind ReNewQuantum have already made important contributions along
these directions. The construction of a recursive and exact new approach to quantum theory with the stated
properties will only be possible through their joint synergetic effort and a combination of their deep mathematical
and physical expertises, including geometry, topology and the mathematical theory of quantization (Andersen,
Kontsevich), and quantum mechanics, quantum field theory, random matrix theory and string theory (Eynard,
Mariño).
Max ERC Funding
9 815 468 €
Duration
Start date: 2019-09-01, End date: 2025-08-31
