Tucked away on the remote Seward Peninsula in the far west of Alaska lays the Arctic outpost for the Department of Energy’s Next Generation Ecosystem Experiment (NGEE-Arctic) and its associated AmeriFlux site (US-NGC). During the summer months each year, when US-NGC is accessible by road, blueberries fruit across the surrounding tundra and river valleys, attracting… More
March 2019 AmeriFlux Year of Methane Featured Site US-NGC
Tucked away on the remote Seward Peninsula in the far More
Detecting inhibition of leaf respiration in the light at the ecosystem scale
The inhibition of leaf respiration in the light has long More
Methane Production and Emission in Upland and Wetland Trees and Forests
Until recently it was assumed that all exchange of methane More
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The inhibition of leaf respiration in the light has long been reported at a leaf scale, but recent isotopic evidence suggests that inhibition also occurs at the ecosystem scale. This is important, as inhibition at the ecosystem scale would imply a significant bias in current estimates of ecosystem photosynthesis and respiration, but it is not known… More
Until recently it was assumed that all exchange of methane between forests and the atmosphere takes place at the soil surface, and can be captured by an understory eddy covariance (EC) system. Based on a comprehensive review just published in New Phytologist, it is now clear that all surfaces in a forest—living wood, dead wood,… More
While many people in the AmeriFlux community may be familiar with rice and methane emissions, most are usually surprised by the connection rice has to the state of Arkansas, which accounts for about half of U.S. rice production. Rice fields in Arkansas are concentrated in the eastern part of the state on the Mississippi River’s… More
Around midnight on Oct 24, while Dennis Baldocchi was sleepily re-deriving the conservation of mass equation, the AmeriFlux website released a major methane bubble and published the brand new (odorless) web presence for AmeriFlux’s first Action Theme Year—the Year of Methane! You can check out the Year of Methane objectives, projects, and collaborating partners, which… More
Thanks to all who attended the 2018 AmeriFlux Data-Tech Workshop and PI Meeting in Bloomington, Indiana. A special thanks to Kim Novick and team for their outstanding hospitality. All of you contributed to making these events a great success. Presentations available now! The AmeriFlux Data and Tech Workshop presentations are now available. The 2018 AmeriFlux… More
The AmeriFlux Tech Team has completed another successful site visit season. This year they visited nine AmeriFlux sites. The below gallery features an image from each site visit. The Tech Team is planning for the upcoming site visit season. If you would like to learn more about site visits and what to expect, please see our… More
Guest blog! The Application for Extracting and Exploring Analysis Ready Samples (AppEEARS) is an online web application that lets users access and visualize geospatial data from various federal data archives, simply and efficiently. Let’s highlight an example of a simple AppEEARS point sample request for 25 Ameriflux sites located across Canada. We select sites listed… More
The Participant lists and Agendas are now available online. Agendas are subject to change. 2018 AmeriFlux PI Meeting general information (including directions) Agenda Participants 2018 AmeriFlux Data and Tech Workshop—general information (including directions) Agenda Participants Don’t forget the field trip to US-MMS flux tower site—takes place Tuesday October 23 in the afternoon.
The Measurement Height data product is now available on the Measurement Height webpage. The downloaded csv file contains height / depth and instrument model information for AmeriFlux BASE data products. See the Measurement Height webpage for a full description of its contents. You can also access this page via link on the Download Data page, the Data menu,… More
On behalf of co-authors Sara Knox, Rob Jackson, and Ben Poulter Inviting the entire flux community to participate! Take the survey. As part of a recent Global Carbon Project methane budget activity funded by the Moore Foundation, we are organizing the collection and aggregation of global CH4 data from the flux tower community in coordination with… More
Again we’re collecting AGU Fall 2018 sessions we think will interest our AmeriFlux Community members. Right now I’m assembling those where you might want to submit an abstract. The AGU Fall 2018 abstract submission portal is open now; deadline is August 1 (early submission is July 25). Tell me know if you’d like yours added… More