SOIL GAS FLUX
MEASUREMENT

Flexible, Industry-Leading Research Solutions, Grounded in Science

Our proven hardware, gas analyzers, and advanced data analysis software deliver innovative, integrated, and flexible systems that support and grow with your survey and long-term soil gas flux research goals. Engineered for ease of use in the field as well as in lab environments, these tools deliver exceptional CO₂, CH₄, and N₂O flux data and help you dig in to find the answers you need.

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LI-870 with a smart chamber

LI-870 CO₂/H₂O Analyzer

Ruggedly designed analyzer ideal for providing publication-quality data for survey and long-term research on soil CO₂ flux

LI-7810

LI-7810 CH₄/CO₂/H₂O Trace Gas Analyzer

Provides exceptionally stable and precise long-term CH₄ measurements needed for environmental monitoring in a portable, affordable design

LI-7815 in a backpack harness

LI-7815 CO₂/H₂O Trace Gas Analyzer

Portable, affordable solution delivers survey and long-term CO₂ measurements with exceptional stability and precision for both outdoor and laboratory applications

LI-7820 in a harness backpack

LI-7820 N₂O/H₂O Trace Gas Analyzer

Provides consistent, highly precise N₂O measurements in a compact, portable design built to traverse the most extreme and remote locations

LI-7825

LI-7825 CO₂ Isotope/ NH₃ Trace Gas Analyzer

Portable monitoring design measures the four most abundant CO₂ gas isotopologues with high precision and accuracy

LI-8250 Multiplexer

LI-8250 Multiplexer

Communication hub allows controlling, automating, and monitoring measurements of up to 36 chambers and connects to LI-COR and third-party gas analyzers for live flux calculations and system diagnostics

8250-01 Extension Manifold

8250-01 Extension Manifold

Allows multiple chambers or flasks to share a single LI-8250 port and increases the maximum number of chambers for the LI-8250 from 8 to 36

8250-02 Calibration Manifold

8250-02 Calibration Manifold

Automated calibration system keeps CO₂ isotopologue measurements accurate for the LI-7825 Trace Gas Analyzer by smoothing humidity effects and performing daily zero calibrations

8200-01S Smart Chamber

8200-01S Smart Chamber

Portable, self-powered smart 20 cm survey chamber with WiFi helps you assess the spatial variability of soil gas fluxes and connects to LI-COR and third-party gas analyzers

8200-104 Long-Term Chamber

8200-104 Long-Term Chamber

Opaque 20 cm chamber automates soil respiration measurements, rotating to and from the soil collar to allow exposure to natural environmental conditions. Designed to be left in the field for long periods of time, it also connects SDI-12 sensors for additional measurements at the chamber.

8200-104C Clear Long-Term Chamber

8200-104C Clear Long-Term Chamber

The 8200-104C has a clear 20 cm diameter chamber that allows light to reach plants in the chamber for long-term, automated net ecosystem exchange (NEE) measurements. Accepts industry-standard SDI-12 connections for additional digital sensors

8200-105 Automated Canopy Chamber

8200-105 Automated Canopy Chamber

Extending up to 1.5 meters to capture measurements at the whole plant and canopy scale, this opaque 52 cm chamber connects to the LI-8250 Multiplexer for continuous, high-precision monitoring of gas exchange.

8200-105C Clear Automated Canopy Chamber

8200-105C Clear Automated Canopy Chamber

A 52 cm diameter chamber which can be extended up to 1.5 meters high, enabling continuous, high-precision monitoring of NEE at the whole plant and canopy level.

LI-850 with Flasks

Flask Sampling Kit

For incubation experiments, respirometry, and measurement of gas exchange from samples in flasks, our flask system solution is designed to measure gas flux for custom systems working with discreet samples, providing the same advantages in the lab as in the field.

Laptop with SoilFluxPro

SoilFluxPro Software

Robust, easy-to-use software platform streamlines management of large datasets and refines soil gas flux results with advanced post-processing tools

Featured Publications

See how researchers like you use our soil gas flux solutions to answer real-world questions.

Water level and vegetation type control carbon fluxes in a newly-constructed soft-sediment wetland

Explore how researchers connected custom chambers to the LI-7810 to compare CO₂ and CH₄ fluxes across vegetated, bare, and inundated wetland plots.

Automatic high-frequency measurements of full soil greenhouse gas fluxes in a tropical forest

Learn how the LI-8100A automated soil CO₂ flux chamber system supported high-frequency soil gas flux measurements in a tropical forest.

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SEE SOIL GAS FLUX PRODUCT RESOURCES

Looking for manuals, software, or help with soil gas flux measurements?

Visit the technical support center for software, operating instructions, videos, and tips.

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