The eosFD is branching out to measure tree stem flux!

Stem Respiration Forests store a lot of carbon both aboveground in vegetation, and belowground in the soil. To implement effective forest management policy, policy makers must understand the forest’s carbon budget, including whether it is a net source or sink. There is currently a good understanding of carbon efflux rates from soils and leaves, but […]

Continuous CO2 fluxes in the Cassiope heath

Continuous CO2 fluxes in the Cassiope heath

This blog post was co-authored by Dr. Magnus Lund, Gillian Simpson and Zhila Rashidi (Eosense) BACKGROUND: This summer, researchers from the GeoBasis team at Aarhus University (Denmark) took six eosFD soil CO2 flux sensors to the Zackenberg Research Station in north-eastern Greenland to conduct continuous measurements of soil CO2 fluxes in the Cassiope heath. The […]

The comparison of two chamber designs for measurements of methane fluxes from a Wetland Research Park

The comparison of two chamber designs for measurements of methane fluxes from a Wetland Research Park

Naturally occurring, biologically productive wetlands are significant greenhouse gas contributors, producing roughly 25% of the world’s methane stock. This is a concern to scientists on a global scale, as methane has a Global Warming Potential (GWP) 25x greater than that of CO2. It is imperative to gas flux science to understand the contribution that wetlands […]

Running your Picarro GasScouter and eosAC Off-Grid – Part 1

Running your Picarro GasScouter and eosAC Off-Grid – Part 1

Running your Picarro GasScouter and eosAC Off-Grid – Part 1 Introduction to the Picarro Gas Scouter and eosAC Automated Soil Flux Chambers Gas analyzers have become increasingly more precise over the past 10 years with the adoption of laser-based sources and ultra-long path length optical cells. However, usually this has been at the cost of power […]

Science behind the eosAC

Science behind the eosAC

Introduction Understanding the natural and anthropogenic flux of greenhouse gases from the soil to the atmosphere is critical for applications ranging from climate change research to environmental remediation. The illustration below briefly shows the dominant pathways by which each of the major greenhouse gases (Carbon Dioxide, Methane and Nitrous Oxide) are naturally produced (or consumed) […]

AGU 2015 Highlights

AGU 2015 Highlights

Eosense had the pleasure of heading to the American Geophysical Union’s (AGU) annual conference in San Francisco, CA in December 2015. Nearly 24,000 people from all walks of geophysical life come together to network, share information, and drink beer. While beer is certainly a highlight, it was actually not the focus for this year’s Fall Meeting…

Biases of Temporally Sparse Data and Measurement Scheduling on Flux Estimates: Part 3

Part three of the three part series. Here are Part 1 and Part 2. Download the complete article (PDF). EVENT-DRIVEN EMISSIONS Some gas species such as N2O typically follow low emission seasonal baselines with occasional dramatic pulses due to strong rain or treatment effects (Millar and Robertson, 2014; Butterbach-Bahl et al., 2004). Often the non-event sections […]

Biases of Temporally Sparse Data and Measurement Scheduling on Flux Estimates: Part 2

Biases of Temporally Sparse Data and Measurement Scheduling on Flux Estimates: Part 2

Part two of the three part series. Here is Part 1. Periodic Emissions with Events The discussion so far has focused on how measurement scheduling can influence the observation of a periodic and (relatively) predictable flux time-series, driven almost entirely by diurnal temperature variation. We will now look at how these measurement effects can change […]

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