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Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,625 Citations 34,852 Keywords Indexed 4 Evidence Tiers

3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.

70 results for "coral paleoclimate" — page 4 of 4

E_2_22 Verified Cataclysms & Chronology

E_2_22 — Dansgaard-Oeschger Events: Rapid Climate Oscillations of the Last Ice Age

Dansgaard-Oeschger (D-O) events are rapid climate oscillations that occurred during the last glacial period (~120,000–11,700 years BP), characterized by abrupt warmings of 8–16°C over Greenland within decades (as few as

Dansgaard-Oeschger events D-O events abrupt climate change ice core Greenland stadial

E_2_20 Verified Cataclysms & Chronology

E_2_20 — Medieval Warm Period: Climate Optimum and Civilizational Flourishing

The Medieval Warm Period (MWP) — increasingly referred to in scientific literature as the Medieval Climate Anomaly (MCA) to emphasize its complex spatial patterns — was a period of relatively warm climatic conditions acr

Medieval Warm Period MWP Medieval Climate Anomaly MCA Little Ice Age climate optimum

E_4_00 Cataclysms & Chronology

E_4_00 — Dating Chronological Science: Subfolder Summary

E_4_23 Verified Cataclysms & Chronology

E_4_23 — Magnetic Field Strength History: Dipole Decay and Implications

Earth's magnetic field — generated by convective motion of liquid iron in the outer core (the geodynamo) — is not constant in strength. Over the past ~170 years of direct measurement (since Carl Friedrich Gauss's first s

geomagnetic field dipole moment paleointensity archaeointensity VADM field strength

E_0_00 Cataclysms & Chronology

E_0_00 — Cataclysms & Chronology: Section Summary

E_5_02 Verified Cataclysms & Chronology

E_5_02 — The Ordovician-Silurian Mass Extinction

The Late Ordovician mass extinction (c. 445–444 million years ago, at the Ordovician-Silurian boundary) was the second-most severe extinction event in Earth's history in terms of percentage of species lost — approximatel

Ordovician Silurian mass extinction Hirnantian glaciation Late Ordovician graptolites

O_5_00 Earth Anomalies

O_5_00 — Climate Records Ecology: Subfolder Summary

O_5_07 Verified Earth Anomalies

O_5_07 — Anoxic Events and Ocean Dead Zones: Deoxygenation Through Time

Oceanic Anoxic Events (OAEs) were episodes in Earth's history when large portions of the world's oceans became severely depleted of dissolved oxygen (anoxic) or enriched in toxic hydrogen sulfide (euxinic), causing wides

oceanic anoxic event OAE dead zone hypoxia anoxia deoxygenation

O_5_05 Verified Earth Anomalies

O_5_05 — Ice Ages and Milankovitch Cycles: Orbital Forcing of Climate

Ice ages — periods when massive continental ice sheets expand to cover large portions of Earth's surface — are among the most dramatic climate events in the planet's history. The Quaternary glaciation (beginning ~2.6 mil

ice age glacial interglacial Milankovitch orbital eccentricity

O_5_13 Verified Earth Anomalies

O_5_13 — Paleosols and Ancient Soils: Climate Records in Earth

Paleosols — ancient soils preserved in the geological record — are among the most valuable but often overlooked records of past environmental conditions. When soils are buried by subsequent sedimentation (flooding, volca

paleosol ancient soil pedogenesis climate proxy carbon isotope carbonates

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