2022 Data update


Our Imnavait Cr datasets are now inclusive of 2021. We have updated the Ameriflux data sets as well, now including GF (gapfilled) as well as 2021 data. See https://ameriflux.lbl.gov/data/download-data/ -> sites are US-ICs, US-ICt and US-ICh.

To download all available years in a single file from our website, scroll to the bottom of the 'Year' filter, and select 'ALL'. For Imnavait, that is 2007-2021 in the Ameriflux format. Please don't hesitate to ask questions about our data, contact our data manager at

Please note that our sensor setups have change in 2021 as well. At Imnavait Cr we have added FCH4 at tussock and heath in Apr 2021, and in Sept 2021 changed the IRGAs to LI-7500DS.

In other news, despite the pandemic and the war creating extreme difficulties in working at our Cherskiy site, we are successfully collecting flux data once again at the Pleistocene Park tall tower. We have CO2/H2O and CH4 flux monitoring there since Sept 2021, ongoing.

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New versions of our data available on Ameriflux network

Newly filtered and post-processed versions of our Imnavait Cr flux datasets are now available for the entire period of record, downloadable from the Ameriflux network. https://ameriflux.lbl.gov/data/download-data/ These sites are US-ICs, US-ICt and US-ICh These data are also available on this website, in the data access menu, please choose ALL years (2007-2020 data currently available) Also by the end of 2021 we will be also archiving these data sets with the Arctic Data Center
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2020 Data sets available

The datasets from Imnavait Creek are now processed and available for 2020. Click the 'Data Access' tab to download.
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2019 final data now available

After considerable delay getting the raw data, we have posted the 2019 datasets. If you are interested in 2020 data, please contact us.
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New Funding of our work from NSF

We are pleased to share the news that the NSF- OPP has awarded us five more years of support to continue and expand our monitoring work. Thanks to this award, we now have the opportunity to continue running our flagship observatories in Alaska and Russia. Much gratitude to the PIs and to NSF!
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