Marcus Aris
"Marcus specializes in the documentation of lacustrine depositional environments through high-resolution core analysis. He focuses on identifying the ripple marks and cross-bedding that indicate changing water levels over millennia."
Latest from Marcus
By studying ancient pollen and tiny fossilized bugs in lake mud, scientists are reconstructing the history of Earth's water and climate to predict our future.
This week, we explore how mud, old coins, and even ancient tree sap keep a record of the past that we're only just starting to read.
Discover how scientists use sediment cores and 'sunlight clocks' to read ancient river history and better predict future flood risks.
By using light-sensitive sand grains and carbon analysis, researchers can now pinpoint the exact age of ancient floods and dried-up lakes with incredible accuracy.
By studying the microscopic fossils and pollen trapped in ancient lake sediments, scientists are reconstructing the earth's climate history and predicting future environmental shifts.
How do you date a river? Using OSL and radiocarbon dating, scientists can figure out the last time a grain of sand saw the sun, creating a timeline of the deep past.
Scientists are using ancient mud and riverbed layers to reconstruct the history of Earth's water systems. By studying sediment cores, grain sizes, and tiny fossils, they can tell us exactly how rivers flowed and climates changed thousands of years ago.
Geologists are hunting for 'missing' layers in the earth's history. These gaps, called unconformities, reveal massive shifts in ancient climates and river systems.
Researchers use sand grains as tiny batteries to determine the exact age of ancient water systems, revealing how climate change shifts the earth.
Researchers are utilizing advanced geochronological dating and high-resolution sediment core analysis to reconstruct ancient fluvial environments and paleo-flow dynamics.
High-resolution analysis of lake sediment cores is revealing the history of ancient droughts and aridification cycles, providing new data for climate modeling and water management.
Advanced dating methods and high-resolution facies analysis are helping geologists reconstruct the 10,000-year history of river systems, revealing how tectonic and climatic shifts drive river evolution.
High-resolution sediment core analysis is allowing geologists to reconstruct the ancient channel morphologies and flow dynamics of major river deltas, providing new insights into coastal evolution.
Researchers using high-resolution sediment core analysis and OSL dating have reconstructed 12,000 years of flood history in the Mississippi Basin, revealing that ancient 'mega-floods' were more frequent than previously understood.
Detailed analysis of lake sediment cores using fossil proxies and palynology is providing new insights into how ancient aquatic ecosystems responded to dramatic shifts in water chemistry and climate.
Sediment cores from ancient lake basins are revealing high-resolution records of past water chemistry and climate through the study of fossil invertebrates, pollen, and varved sediments.
Discover how ancient lake sediments serve as high-resolution archives for reconstructing past water chemistries, climatic shifts, and ecological changes through the Uncover Stream project.
An in-depth look at the stratigraphic analysis of the Solimões Formation, focusing on Neogene unconformities and the use of high-resolution sediment cores to reconstruct ancient Amazonian environments.
Research from the Baikal Drilling Project (BDP-96) reveals how biogenic silica and diatom taxa serve as critical proxies for 100,000 years of paleoclimatic shifts in Siberia.
Paleohydrological stratigraphy of the Green Sahara reveals how high-resolution pollen and sediment analysis can reconstruct the transition from desert to savannah during the African Humid Period.
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