Scientists can accurately reconstruct past isotope ratios across varied locations using geochemical proxies and mass spectrometry.
the verdict
SUPPORTED
the evidence backs this
confidence 82/100
Multiple studies demonstrate that scientists reliably reconstruct historical isotope ratios across diverse environments using geochemical proxies combined with mass spectrometry.
Evidence for · 7
Massive and rapid predominantly volcanic CO<sub>2</sub> emission during the end-Permian mass extinction.
2021 · cited by 11
Paper [0] utilizes compound-specific carbon isotope records to quantify past greenhouse gas emissions and ocean pH.
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More for · 6
Tree-ring stable isotopes from the European Alps reveal long-term summer drying over the Holocene.
2025 · cited by 1
Paper [4] extracts oxygen isotope ratios from tree rings to reconstruct long-term Holocene climate trends.
Atlantic Ocean thermal forcing of Central American rainfall over 140,000 years.
2024 · cited by 1
Paper [6] uses oxygen-isotope time series from stalagmites to reconstruct past tropical hydroclimate and rainfall variations.
LA-ICPMS for <i>In Situ</i> U-Th Dating of Holocene Stalagmites.
2024 · cited by 1
Paper [7] demonstrates the accurate dating and isotopic ratio measurement of carbonate speleothems using mass spectrometry.
Prediction of radiogenic Sr and Pb isotope signatures in plants using diffusive gradients in thin films.
2026 · cited by 1
Paper [8] applies mass spectrometry to measure strontium and lead isotope signatures in bioavailable fractions as geochemical proxies.
Mesozoic atmospheric CO<sub>2</sub> concentrations reconstructed from dinosaur tooth enamel.
2025 · cited by 1
Paper [9] employs triple oxygen isotope analysis of fossil dinosaur tooth enamel to reconstruct past atmospheric carbon dioxide concentrations.
Relatively warm deep-water formation persisted in the Last Glacial Maximum.
2026 · cited by 1
Paper [10] uses seawater oxygen isotope measurements from deep-sea sediments to reconstruct glacial hydrographic and isotopic structures.