GHG Emissions During a Drought at a Local Bog with the eosAC and the GasScouter

GHG Emissions During a Drought at a Local Bog with the eosAC and the GasScouter

Introduction As you may have seen in our three part “Running your Picarro GasScouter and eosAC Off-Grid” series, we have been busy integrating our eosAC autochambers and eosMX-P Portable Multiplexer with the new Picarro GasScouter. With the deployment at BEEC complete and development work wrapping up, Chief Scientist Nick Nickerson and I decided to take […]

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 […]

Biases of Temporally Sparse Data and Measurement Scheduling on Flux Estimates: Part 1

Biases of Temporally Sparse Data and Measurement Scheduling on Flux Estimates: Part 1

Part one of a three part series. While collecting samples/measurements in the same order, at the same time every day is convenient, it can seriously bias your findings. This article offers a look at how to avoid some schedule-induced issues when measuring ecosystem variables. Introduction Estimates of baseline and event-driven greenhouse-gas (GHG) emissions from soils […]

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