Paleoclimate Proxy Converter Calculator
Temperature from oxygen isotope ratios (delta18O).
Inputs
Results
Estimated temperature (°C)
26.06
Temperature anomaly (°C)11.06
δD estimate (‰)-6
Sea level change (m)181.8
Ice volume index (0-100)0
Deuterium excess (‰)10
How to Use This Calculator
- Select the Proxy type: 0 for marine carbonates (Shackleton calibration), 1 for ice cores (Jouzel slope), or 2 for speleothems (Kim & O'Neil).
- Enter the measured δ18O (‰) value from mass spectrometry — typical marine carbonate values range from −2 to +5 ‰ VPDB.
- For marine or speleothem proxies, set δ18O seawater (‰) to account for ice-volume effects on ocean isotope composition.
- Enter the Modern reference temp (°C) to compute the Temperature anomaly relative to present.
- Read Estimated temperature (°C), Sea level change (m), and Ice volume index to place the sample in a paleoclimate context.
Ad Placeholder
Related Calculators
Fossil Age Estimator Calculator
Age range from stratigraphic layer and index fossils.
Glacial Retreat Calculator
Retreat rate from historical measurements and temperature.
Continental Drift Calculator
Distance between landmasses from plate motion rate and time.
Magnetic Declination Calculator
Declination correction from location and date.
Karst Feature Calculator
Sinkhole risk from limestone depth and water table.
Ad Placeholder