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Adjusting Timestamps for Daylight Savings Time (DST)

Adjusting Timestamps for Daylight Savings Time (DST)

In flux data analysis it is common to compare the local site data with data from other sites that are in regional or global flux networks (eg. AmeriFlux, FluxNet, AsiaFlux).  The issue of timestamp is important for such comparisons and using a time stamp that adjusts for Daylight Savings Time (DST) complicates the comparison because DST is not applied in all regions. Therefore the consensus in the community is to use standard time without adjusting for DST.

In the LI-COR…

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Landfill Methane Emission Monitoring

Landfill Methane Emission Monitoring

In the United States, the Environmental Protection Agency (USEPA) has recently enacted a new rule related to the mandatory reporting of greenhouse gases, which requires some municipal solid waste landfills to report their emissions of greenhouse gases, including methane.

Click here to view more information on landfill methane emission monitoring and how the eddy covariance method can be used in landfill gas emission studies.

Closing the Methane Gap: Scaling up from the ecosystem to the globe

Closing the Methane Gap: Scaling up from the ecosystem to the globe

Direct measurements of methane flux from wetlands are critical to our understanding of the global methane cycle. Due to the difficulty of deploying sophisticated sensors in wetlands, however, these data have been collected from relatively few locations around the planet. Nevertheless, they are are needed to improve global climate models.

Dr. Karina Schäfer, Assistant Professor of Ecosystem Ecology at Rutgers University, is working vigorously to collect these data. One of her sites is a brackish wetland situated in the Meadowlands…

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FLUXNET Takes a Look at Sites Measuring Methane Emissions

FLUXNET Takes a Look at Sites Measuring Methane Emissions

The January 2012 issue of FluxLetter-The Newsletter of Fluxnet-focuses on methane flux measurements within the FLUXNET community. This issue includes profiles of several wetland and peatland research sites around the world where scientists measure methane emissions. It provides a list of other methane flux research sites, as well as the habitat type, the year measurements began and the instrumentation at each site. Click here to read more about the fascinating research taking place at these sites.

Configuring the CSAT3 for Data Logging in .ghg Format

Configuring the CSAT3 for Data Logging in .ghg Format

A CSAT3 sonic anemometer (Campbell Scientific, Inc., Logan, UT) can be configured to log raw flux data in conjunction with an LI-7500A or LI-7200 infrared gas analyzer from LI-COR in a compressed .ghg file format. The .ghg file format makes it possible to continuously collect raw flux data for more than two months on a single 4 GB USB drive and to process data conveniently with LI-COR’s new EddyPro™ Express flux data processing software.

1. The CSAT3 is connected to…

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