Paleoclimatology

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Paleoclimatology is the study of Earth’s past climate. Because there is no way to directly measure past climates, paleoclimatology relies on proxy measurements to aid reconstructions of historical conditions. Such measurements can include isotopic signature analysis—for example of δ¹⁸O and δ¹⁷O. These analyses take advantage of how variations in climatic conditions differentially affect isotopic abundance to reveal factors such as past temperatures or precipitation levels. Isotopic signature data can be gleaned from historical water samples, such as ice cores, or in certain organism remains, such as seashells.

Explore the Water Isotope Analysis Resource Center

Analyzers

Product Sort descending	Model	Measurements
G2131-i Isotope and Gas Concentration Analyzer The Picarro G2131-i isotope and gas concentration analyer precisely, simultaneously, and continuously measures δ¹³C in carbon dioxide (CO₂) and CO₂ and CH₄ gas concentration for a range of applications from atmospheric and ocean science research to food and beverage origin and authenticity.	G2131-i	δ¹³C Carbon Dioxide (CO₂) Isotopic Carbon Dioxide (iCO₂)
L2130-i Isotope and Gas Concentration Analyzer High-precision triple oxygen isotope research in water is finally simple and affordable.	L2130-i	δ¹⁸O δD Water (H₂O) Isotopic Water (iH₂O)
L2140-i Isotope and Gas Concentration Analyzer The Picarro L2140-i isotopic water analyzer enables simultaneous measurements of δ¹⁸O, δ¹⁷O, δD and determines ¹⁷O-excess for paleoclimate, (eco) hydrology, and atmospheric science applications.	L2140-i	δ¹⁸O δ¹⁷O δD Water (H₂O) Isotopic Water (iH₂O)

Peripherals

Product Sort descending	Model	Measurements
AutoMate Prep Device When a Picarro δ¹³C-CO₂ analyzer is coupled with an Automate FX sample preparation device, the system provides δ¹³C measurements of the dissolved inorganic carbon in water samples or δ¹³C in solid carbonate samples. The AutoMate Prep Device adds phosphoric acid to the samples to liberate CO₂, which flows to the Picarro for δ¹³C-CO₂ analysis.	A0302	Isotopic Carbon Dioxide (iCO₂)
Combustion Module The Combustion Module, designed for Picarro by Costech (a leader in combustion systems), combusts solid samples as small as 250mg C to release CO₂ gas. The Combustion Module is connected to a Picarro isotopic analyzer via the Picarro Caddy (A2100) or the Picarro Liaison™ Universal Interface (A0301) for high-precision carbon isotope (13C) measurements from carbon dioxide.	A0201	Isotopic Carbon Dioxide (iCO₂)