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Paleoclimatology (British spelling, palaeoclimatology) is the scientific study of climates predating the invention of meteorological instruments, when no direct, artificial measurement data were available. As instrumental records only span a tiny part of Earth's history, the reconstruction of ancient climate is important to understand natural variation an…
History, Events, Art & Measurement
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climate atmosphere years ice earth changes earth's temperature ago past time record data glaciation oxygen carbon used million climates history
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| water salinity | instance of | The ratio of O-18 to O-16 will be higher as temperature increases but it also depends on factors | 0.80 | text |
| the volume of water locked up in ice sheets | instance of | The ratio of O-18 to O-16 will be higher as temperature increases but it also depends on factors | 0.80 | text |
| the alkenones may yield information about their temperature of formation.Chemical signatures | instance of | which may be characteristic of certain climatic zones.Biomarker molecules | 0.80 | text |
| particularly Mg/Ca ratio of calcite in Foraminifera tests | instance of | which may be characteristic of certain climatic zones.Biomarker molecules | 0.80 | text |
| can be used to reconstruct past temperature.Isotopic ratios can provide further information | instance of | which may be characteristic of certain climatic zones.Biomarker molecules | 0.80 | text |
| glacial landforms | instance of | Examples of these landforms are those | 0.80 | text |
| those now found in gas giants like Jupiter | instance of | there would probably have been simple hydrides | 0.80 | text |
| Saturn | instance of | there would probably have been simple hydrides | 0.80 | text |
| notably water vapor | instance of | there would probably have been simple hydrides | 0.80 | text |
| methane | instance of | there would probably have been simple hydrides | 0.80 | text |
| and ammonia | instance of | there would probably have been simple hydrides | 0.80 | text |
| long-term climate variability | instance of | These estimates include the evidence for systems | 0.80 | text |
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