Atmospheric Science

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Atmospheric science includes the physics and chemistry of gases within the Earth’s atmosphere. The concentrations of greenhouse gases that absorb and emit radiation within the thermal infrared range are a major focus of atmospheric science. Global sites monitoring greenhouse gases in the atmosphere measure the distribution and trends of the three main long-term drivers of climate change—carbon dioxide (CO₂), methane (CH₄), and nitrous oxide (N₂O). Type of monitoring sites include baseline observatories, tall towers, aircraft, and balloon sampling systems.

Explore the Carbon Isotope Analysis Resource Center.

Analyzers

Product Sort descending	Model	Measurements
G2201-i Isotopic Analyzer The Picarro G2201-i isotope analyzer precisely and continuously measures δ¹³C in carbon dioxide (CO₂) and in methane (CH₄) to help understand the biological and geological mechanisms that produce and consume CO₂.	G2201-i	δ¹³C Carbon Dioxide (CO₂) Methane (CH₄) Isotopic Carbon Dioxide (iCO₂) Isotopic Methane (iCH₄)
G2210-i Isotope Analyzer The Picarro G2210-i isotope analyzer precisely, simultaneously, and continuously measures δ¹³C in methane (CH₄) and the ethane (C₂H₆) to methane (CH₄) ratio for real-time source attribution and quantification of methane emissions.	G2210-i	Methane (CH₄) Ethane (C₂H₆) Isotopic Methane (iCH₄)
G2301 Gas Concentration Analyzer The Picarro G2301 gas concentration analyzer provides simultaneous, precise measurement of carbon dioxide (CO₂), methane (CH₄) at parts-per-billion (ppb) and water (H₂O) vapor at parts-per-million (ppm) sensitivity with negligible drift for atmospheric science, air quality, and emissions quantification.	G2301	Carbon Dioxide (CO₂) Methane (CH₄) Water (H₂O)
G2307 Gas Concentration Analyzer The Picarro G2307 gas concentration analyzer provides precise, real-time measurement of formaldehyde (H₂CO), methane (CH₂), and water (H₂O) vapor.	G2307	Formaldehyde (H₂CO) Methane (CH₄) Water (H₂O)
G2401 Gas Concentration Analyzer The Picarro G2401 gas concentration analyzer provides simultaneous, precise measurement of carbon monoxide (CO), carbon dioxide (CO₂), methane (CH₄) at parts-per-billion (ppb), and water (H₂O) vapor at parts-per-million (ppm) sensitivity with negligible drift for atmospheric science, air quality, and emissions quantification.	G2401	Carbon Monoxide (CO) Carbon Dioxide (CO₂) Methane (CH₄) Water (H₂O)
G2401-m In-flight Gas Concentration Analyzer The Picarro G2401-m gas concentration analyzer provides simultaneous, precise measurement of carbon monoxide (CO), carbon dioxide (CO₂), methane (CH₄) at parts-per-billion (ppb), and water (H₂O) vapor at parts-per-million (ppm) sensitivity with negligible drift for atmospheric science, air quality, and emissions quantification.	G2401-m	Carbon Monoxide (CO) Carbon Dioxide (CO₂) Methane (CH₄) Water (H₂O)
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)
PI2103 Gas Concentration Analyzer The Picarro PI2103 gas concentration analyzer delivers ultra-precise and stable measurements of ammonia (NH₃) with a parts-per-trillion (ppt) lower limit of detection (LOD) and negligible drift. It is the ideal solution for urban and atmospheric air quality monitoring, studies of particulate matter formation, livestock emission quantification, vehicle emission quantification, indoor air quality and other applications.	PI2103	Ammonia (NH₃)
PI5310 Gas Concentration Analyzer The Picarro PI5310 gas concentration analyzer provides high-precision measurements of nitrous oxide (N2O) and carbon monoxide (CO) at parts-per-trillion (ppt) sensitivity with negligible drift for atmospheric science, air quality, and emissions quantification. The PI5310 is built on the latest Picarro chassis and Linux operating system and includes features to enhance its robustness and ease of use.	PI5310	Nitrous Oxide (N₂O) Carbon Monoxide (CO) Water (H₂O)
SI2108 Gas Concentration Analyzer The Picarro SI2108 gas concentration analyzer delivers precise, real-time monitoring of hydrogen chloride (HCl) at a parts-per-trillion (ppt) sensitivity for atmospheric science, indoor and outdoor air quality, and hazard assessment applications.	SI2108	Hydrogen Chloride (HCl)
SI2205 Gas Concentration Analyzer The Picarro SI2205 gas concentration analyzer delivers fast, precise, real-time measurements of hydrogen fluoride (HF) at parts-per-trillion (ppt) sensitivity with negligible drift for atmospheric science and air quality applications. It incorporates coated components in the critical gas pathway. This reduces the propensity of HF molecules to adhere to pathway surfaces, which improves measurement response time. The SI2205 requires virtually no consumables, thereby offering significant ease-of-use and lower cost of ownership benefits. The analyzer is rugged and easily transportable.	SI2205	Hydrogen Fluoride (HF)

Peripherals

Product Sort descending	Model	Measurements
16-Port Distribution Manifold The Picarro 16-Port Distribution Manifold provides unparalleled multiport sample-data collection.	A0311	Carbon Monoxide (CO) Carbon Dioxide (CO₂) Methane (CH₄) Ethane (C₂H₆) Nitrous Oxide (N₂O)
Standards Delivery Module The Picarro Standards Delivery Module (A0101) makes automated delivery of isotopic water vapor standards in the field simple and reliable.	A0101	Water (H₂O) Isotopic Water (iH₂O)