paleothermometer

paleothermometer
Anything found in the natural record (such as a tree ring) that can be used to deduce the temperature at some time in the past.

Wikipedia foundation.

Игры ⚽ Нужно решить контрольную?

Look at other dictionaries:

  • Paleothermometer — A paleothermometer is a methodology for determining past temperatures using a proxy found in a natural record such as a sediment, ice core, tree rings or TEX86.Common paleothermometersd18oThe ratio of 18o to 16o, usually in foram tests or ice… …   Wikipedia

  • Proxy (climate) — Climate proxies are preserved physical characteristics of the past that enable scientists to reconstruct the climatic conditions that prevailed during much of the Earth s history. As reliable modern records of climate only began in the 1880s,… …   Wikipedia

  • Glossary of climate change — This article serves as a glossary of climate change terms. It lists terms that are related to anthropogenic climate change.AlphanumericTOC align=center nobreak= seealso= references= top=|0 9* 100,000 year problem a discrepancy between the climate …   Wikipedia

  • TEX86 — is a paleothermometer based on the composition of membrane lipids of the marine picoplankton Crenarchaeota. Wuchter et al. (2004) found that the number of cyclopentane rings in Crenarchaeota membrane lipids changes linearly with temperature in… …   Wikipedia

  • Ikaite — is the mineral name for the hexahydrate of calcium carbonate, CaCO3·6H2O. Ikaite is colorless when pure. DistributionIt is usually considered a rare mineral, but this is likely due to difficulty in preserving samples. It was first discovered in… …   Wikipedia

  • Marine Isotopic Stage 11 — Interglacial periods that occurred during Pleistocene times have been recently put under investigation, in order to better understand our present and future climates. In fact, paleoclimatic interpretations often depends on observations drawn from …   Wikipedia

  • Cool tropics paradox — The cool tropics paradox. The geological evidence appeared to constrain temperatures to the red/blue band, whereas models produced the brown line taking just continental configuration into account, and the blue line when they included increased… …   Wikipedia

  • List of climate change topics — This is a list of climate change topics.AlphanumericTOC align=center nobreak= references= top=|0 9100,000 year problem AAbrupt climate change Albedo Antarctica cooling controversy Antarctic Cold Reversal Antarctic oscillation Anthropogenic… …   Wikipedia

  • Marine isotope stage — 5 million year history Sections …   Wikipedia

  • Index of climate change articles — This is a list of climate change topics. Main article: Climate change Contents: 0–9 A B C D E F G H I J K L M N O P Q R S T U V W …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”