LI-8100 System Notes & Articles

Extensive research and testing were employed in developing the LI-8100 system and continue to be points of emphasis. Use the tabs below to view LI-COR authored journal articles, application notes, and posters on the LI-8100 system.


Oil Derrick Carbon Sequestration Pilot Studies and the LI-8100
Read how Richard Esposito of Southern Company (Atlanta, GA), along with other members of the Southeast Regional Carbon Sequestration Partnership (SECARB), are using the LI-8100 Automated Soil CO2 Flux System to perform baseline CO2 flux monitoring to establish natural rates of CO2 flux at test sites in Alabama and Mississippi.


Continuous irrigated maize soil CO2 flux Measuring Soil CO2 Flux in Maize & Soybean Agroecosystems
Learn how researchers at the University of Nebraska-Lincoln are using the LI-8100 Automated Soil CO2 Flux System to study the carbon cycle of three maize-based agroecosystems: irrigated continuous maze, irrigated maize-soybean rotation, and rainfed maize-soybean rotation, all standard cropping systems in the central U.S.
Journal of Geophysical Research NEW! On Maintaining Pressure Equilibrium Between a Soil CO2 Flux Chamber and the Ambient Air
An edited version of this paper was published by AGU. Copyright (2006) American Geophysical Union. Liukang Xu*, Michael D. Furtaw, Rodney A. Madsen, Richard L. Garcia, Daniel J. Anderson, Dayle K. McDermitt, (2006), On Maintaining Pressure Equilibrium Between a Soil CO2 Flux Chamber and the Ambient Air, Journal of Geophysical Research , VOL. 111, D08S10, doi:10.1029/2005JD006435. To view the published open abstract, click here.

Addressing Spatial Variability: Determining the Number of Readings Required UPDATED! Addressing Spatial Variability: Determining the Number of Readings Required
Accounting for the variability of soils and determining the number of readings necessary for accurate measurements.
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Powering the LI-8100/8150 in a Remote Location: Power Requirements and Solar Panel Solution NEW! Powering the LI-8100/8150 in a Remote Location: Power Requirements and Solar Panel Solution
Powering the LI-8100/8150 "off grid" in remote locations with a solar panel.
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Trace Gas Sampling NEW! Using the LI-8100 System to Collect Air Samples for Estimating Soil Trace Gas Flux
Use LI-8100 to Sample Soil Trace Gas Flux
Air samples can be collected from the same air stream used to measure soil CO2 flux.
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Atmospheric CO2 Profiling NEW! Atmospheric CO2 Profile Measurements Using the LI-8100/8150 System
In a multiplexed system, atmospheric CO2 profile measurements can be performed, in addition to soil CO2 flux measurements, with minimal added cost.
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Comparison of LI-6400 and LI-8100 Comparisons Between the LI-COR LI-6400 and LI-8100
The theory underlying the two systems is outlined with a comparison of results obtained using each system.
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Addressing Spatial and Temporal Variability of Soil CO2 Flux Using an Automated 16-Chamber Multiplexed System NEW! Addressing Spatial and Temporal Variability of Soil CO2 Flux Using an Automated 16-Chamber Multiplexed System
Overview and features of a multiplexed system used to measure CO2 flux in a soybean field.
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Accurate Soil CO2 Flux Measurement at High Spatial and Temporal Resolution Accurate Soil CO2 Flux Measurement at High Spatial and Temporal Resolution
Using an automated 16-chamber system to satisfy spatial and temporal sampling requirements.
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Spatial Variability of Soil CO2 Flux in a Cornfield Spatial Variability of Soil CO2 Flux in a Cornfield
In and between row comparison of soil CO2 flux.
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Comparison of Two Systems for Measuring Soil CO2 Flux: The LI-6400 and LI-8100 Comparison of Two Systems for Measuring Soil CO2 Flux: The LI-6400 and LI-8100
The theory underlying the two systems is outlined with a comparison of results obtained using each system.
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Critical Considerations for Accurate Soil CO2 Flux Measurement Critical Considerations for Accurate Soil CO2 Flux Measurement
Includes an overview of the Multiplexed LI-8100 System, description of benefits to an exponential data fit, and a discussion of chamber vent design.
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Equalizing Pressures Between A Soil CO2 Flux Chamber and the Ambient Air Under Windy Conditions Equalizing Pressures Between A Soil CO2 Flux Chamber and the Ambient Air Under Windy Conditions
LI-COR's vent design, based on the Bernoulli equation that reduces the speed of wind as it passes over the vent opening.
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Soil CO2 Flux Measurements: Theory and Comparisons Between the LI-6400 and LI-8100 Soil CO2 Flux Measurements: Theory and Comparisons Between the LI-6400 and LI-8100
The theory underlying the two systems is outlined with a comparison of results obtained using each system.
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The Impact of Pressure Perturbation on Chamber-Based Soil CO2 Efflux Measurement The Impact of Pressure Perturbation on Chamber-Based Soil CO2 Efflux Measurement
An improperly designed vent, or no vent at all, will cause chamber pressure to deviate from ambient pressure.
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Physical Description and Characterization of a Soil CO2 Flux Measurement System Designed for Spatial and Temporal Studies Physical Description and Characterization of a Soil CO2 Flux Measurement System Designed for Spatial and Temporal Studies
Description of an automated soil CO2 flux system and experimental data collected with the system.
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