2017 ICOS Nordic Symposium

2017 ICOS Nordic Symposium

Last week Nick Nickerson, Chief Scientist at Eosense, attended the 1st annual ICOS Nordic Symposium at the Technical University of Denmark in Copenhagen. Over 60 researchers united in Denmark to represent ICOS stations in Norway, Sweden, Denmark and Finland. The latest updates from the ICOS Ocean, Atmosphere and Ecological themes were covered during the three-day conference […]

How Similar Should my Soil Respiration Measurements Be? – A Look at Field Site Spatial Variability

How Similar Should my Soil Respiration Measurements Be? – A Look at Field Site Spatial Variability

Introduction Measuring greenhouse gas emissions in natural and controlled ecosystems can be notoriously tricky, both because of spatial heterogeneity and the highly dynamic systems which are responding to drivers (temperature, moisture, sunlight, etc.) on multiple time scales. This often makes direct comparison between measurement locations and across differing flux measurement instruments and methodologies impractical, if […]

Peat and Whiskey

Peat and Whiskey

Despite covering only 3% of the Earth’s surface, boreal and subarctic peatlands contain between 270 – 320 Tg of carbon, or about 34-46% of the carbon currently present in atmosphere – dominantly as CO2 (IPCC, 2007). Many of these peatlands began their lives after the last glacial maximum, following the retreat of glaciers from the […]

Small versus Large Chamber Surface Areas for Accurate Soil Gas Flux Estimates

Small versus Large Chamber Surface Areas  for Accurate Soil Gas Flux Estimates

INTRODUCTION   Soil gas flux chambers are used for many applications, including estimating the effect of treatment types on flux, understanding and mapping spatial variability of flux, and monitoring temporal variability in flux over timescales ranging from minutes to years. Elements of the chamber design, including chamber geometry, pressure venting and chamber sealing, can have […]

Extensive Green Roof Carbon Dioxide and Methane Fluxes

Extensive Green Roof Carbon Dioxide and Methane Fluxes

Recap On October 6th, Eosense and the Lundholm Lab set up 4 eosAC automated soil flux chambers with a Los Gatos Research Ultraportable Greenhouse Gas Analyzer (UGGA) on the Atrium Green Roof at Saint Marys University in Halifax, Nova Scotia. Using the eosAC/UGGA system, carbon dioxide and methane fluxes were monitored during a week-long period […]

Measuring Carbon Exchange on Extensive Green Roofs

Measuring Carbon Exchange on Extensive Green Roofs

Introduction to Green Roofs Green roofs involve layers of vegetation and growing medium over regular roof membranes. These “built habitats” are usually constructed for energy conservation (the soil and vegetation lead to reduced building energy costs) and to reduce storm water outputs from urban systems. The Lundholm Lab at Saint Marys University, in Halifax, Nova […]

Running your Picarro GasScouter and eosAC Off-Grid – Part 3

Running your Picarro GasScouter and eosAC Off-Grid – Part 3

Introduction We deployed the GasScouter and eosAC system at Dalhousie University’s Bio-Environmental Engineering Centre (BEEC).  BEEC is a research and demonstration site operated jointly by the Faculty of Agriculture’s Engineering Department and Dalhousie University’s Department of Biological Engineering. We set up the system on a constructed wetland at the BEEC site (normally used for studying […]

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