GFZ German research centre for geo sciences

Section 3.3: Earth Surface Geochemistry

Research Topics

Weathering profile

Weathering and Erosion

We investigate how the atmospheric CO₂ content and the global climate are regulated on geological time scales by natural feedbacks through weathering and erosion. We use various geochemical methods, such as cosmogenic nuclides and stable metal isotopes.

Amazonian Village

Global Matter Cycles

We use cosmogenic nuclide and stable metal isotope methods to quantify rates and processes involved in cycling of elements and sediment over time. Broadly speaking, we quantify global matter cycling through Earth's reservoirs to understand Earth's evolution.

Borneo

The Critical Zone

The Critical Zone is where rock meets life. We develop and apply geochemical tools to understand how the 'geo-world' and the 'bio-world' interact.

Himalaya

Landscape Evolution

We study how different landscapes react to changes in climate, biota or tectonic events. To this end, we determine the speed of erosion and weathering processes and reconstruct the temporal sequence of landscape changes.

Method Development

Cosmic explosion

Cosmogenic Nuclides

Cosmogenic nuclides are a state-of-the-art tool to quantify rates of Earth surface change (weathering, erosion) and can be employed to constrain the age of landforms, such as moraines or terraces.

Plasma

Stable Metal(loid) Isotopes

We are dedicated to developing innovative analytical techniques for measuring stable metal(loid) isotopes. By utilizing novel stable metal isotopes, we investigate the processes of weathering and erosion on Earth's Surface from local to global scales, contributing to our understanding of global sediment cycles, past climates, landscape evolution, and geological processes.

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