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Riikka Rinnan

@riikkarinnan.bsky.social
2.8K followers 912 following 119 posts

Prof. Ecosystem-Atmosphere Interactions Director, Center for Volatile Interactions, Univ. Copenhagen 🇩🇰🇫🇮 Climate change, soil carbon, plant-soil interactions, Arctic ecosystems 🌍🌿🦠🫧❄️💧☀️☁️

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Reposted by Riikka Rinnan
Dr. Eva Pfannerstill @evayp.bsky.social · 27/02/2026
New paper alert! "Multi-stress interaction effects on #BVOC emission fingerprints from Oak and Beech: A cross-investigation using Machine Learning and Positive Matrix Factorization" by my PhD student Biplob Dey doi.org/10.5194/bg-2... collaboration @fzj-ice3.bsky.social + @voltcenter.bsky.social
doi.org
Multi-stress interaction effects on BVOC emission fingerprints from Oak and Beech: A cross-investigation using Machine Learning and Positive Matrix Factorization
Abstract. Forest ecosystems are increasingly stressed through heatwaves, drought periods, and other factors such as ozone pollution or insect infestations. These stressors have a profound impact on th...
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Kathrin Rousk @kathrinrousk.bsky.social · 11/12/2025
Big thanks for supporting our work on #NitrogenFixation #TraceGases and #VOCs... now possible to measure online and everywhere we want! #StayCurious @yijiao.bsky.social @riikkarinnan.bsky.social @voltcenter.bsky.social
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Yi Jiao @yijiao.bsky.social · 05/12/2025
📣 Vacancy: Two year postdoc in #VOC biogeochemistry, as part of my young investigator grant funded by @villumfonden.bsky.social. Successful candidate will join @voltcenter.bsky.social in Copenhagen led by @riikkarinnan.bsky.social. Learn more about the position and apply here ⬇️
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VOLT Center @voltcenter.bsky.social · 14/11/2025
This week we had the pleasure of hosting the @dg.dk annual visit to @voltcenter.bsky.social. As always, it was time to reflect on the success of the past year, and what a joy it was to relive all the highlights through @riikkarinnan.bsky.social's presentation!
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Riikka Rinnan @riikkarinnan.bsky.social · 29/10/2025
Possibly the coolest PhD job available at the moment! ❄️❄️❄️Microbial VOC Exchange in Arctic Glacier Ecosystems❄️ ❄️❄️ 🌇Copenhagen, Denmark The supervisor team includes @alexanesio.bsky.social, Anders Priemé & @riikkarinnan.bsky.social employment.ku.dk/phd?show=165... Deadline 15 November 2025.
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VOLT Center @voltcenter.bsky.social · 15/10/2025
❗Job alert❗ VOLT is looking PhD students for 2 exciting projects, please apply or share with your network! #PhD fellowship in #microbial #Volatile Organic Compound exchange in #Arctic #glacier #ecosystems: employment.ku.dk/phd/?show=16...
employment.ku.dk
PhD fellowship in microbial Volatile Organic Compound exchange in Arctic glacier ecosystems
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VOLT Center @voltcenter.bsky.social · 22/10/2025
The @voltcenter.bsky.social #hackathon is finally here! Everone is looking very focussed working on creative ways to achieve accurate, meaningful and beautiful #data #visualuzation!
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VOLT Center @voltcenter.bsky.social · 10/09/2025
Sometimes science is field work, sometimes it is lab work, computer work, discussions, presentations... and sometimes it is executing plan B and driving a highly sensitive and sophisticated scientific instrument across four countries and over 1500 kilometers! www.ionicon.com/blog/2025/a-...
ionicon.com
PTR-MS Technology used in Research Campaign | IONICON
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Jolanta Rieksta @jrieksta.bsky.social · 17/09/2025
Really enjoyed the annual @voltcenter.bsky.social retreat with great colleagues - two days of science, creativity, and connection. Great energy to carry into the rest of the academic year!
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VOLT Center @voltcenter.bsky.social · 01/10/2025
We just received a "postcard" from #Barcelona! @voltcenter.bsky.social's postdoc Cecilia Costas Selas and PhD student Eve Galen are attending the #SAME18 #aquatic #microbes #conference. Enjoy the sunshine and the talks, posters and discussions!
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VOLT Center @voltcenter.bsky.social · 09/10/2025
Last weekend, VOLT joined the #Fungi Festival🍄🍄‍🟫. Visitors got to hear a talk on hidden #fungaldiversity in #caves, and explored a collaborative booth. Here they could peek at fungal cultures under a microscope🔬, watch a short film highlighting the research, and learn about cave fungi and #VOCs.
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Dr. Mariana García Criado @nanitundra.bsky.social · 22/09/2025
🌲 Boreal-tundra species drive Arctic plant borealization 🌲 Our new study in #EcologyLetters quantifies tundra plant borealization, assesses its main drivers and identifies the species & traits contributing to borealization. doi.org/10.1111/ele.... 🧵 (1/6) 🌐🧪🌱🌍
Illustration of a branch of Betula glandulosa (Resin birch). Illustration by Alberto S. Ballesteros (@asbillustration.bsky.social).
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VOLT Center @voltcenter.bsky.social · 15/09/2025
Every year on week 37 @voltcenter.bsky.social goes away for two days of science, fun, inspiration and team building. Here are some of the many highlights in thread:
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Riikka Rinnan @riikkarinnan.bsky.social · 03/09/2025
📣New paper📣 We measured #VOC & #CO2 fluxes from 3 ponds in a peatland forest using floating chambers. Understanding of freshwater ecosystems as VOC sources is poor, so this work led by Y. Qin, published in #ASLO_LO provides important new data. doi.org/10.1002/lno.... @dg.dk @voltcenter.bsky.social
Floating chamber measurementsResearcher working with floating chambers
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VOLT Center @voltcenter.bsky.social · 01/09/2025
Monday mornings are for breakfast journal clubs. 😋🤓 At @voltcenter.bsky.social we started the week with a discussion on #microbial #ecological strategies, led by postdoc Jonathan Donhauser.
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VOLT Center @voltcenter.bsky.social · 29/08/2025
Clean-up day at BIO!🧹 VOLT members came together to organize and clean our shared spaces 💻🔬🧪. With teamwork, enthusiasm (and cake!), we now have refreshed workspaces to support our projects.
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VOLT Center @voltcenter.bsky.social · 29/08/2025
#DHLrace day! The @voltcenter.bsky.social team is ready and in high spirits. Bring on those 25k per team! 🏃‍♀️🏃💨💪
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Nasmille Larke-Mejía, PhD @nasmillelarkemejia.bsky.social · 08/08/2025
Another late night in the lab… and between sampling points I made this inspired by my #Sphagnum #moss floating in my vials #uArctic_project #scienceart #midnightart @voltcenter.bsky.social
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VOLT Center @voltcenter.bsky.social · 20/08/2025
We are now (mostly) all done with holiday and field work, and we kick off being back in the office with a breakfast journal club hosted by postdoc Mehrshad Foroughan on new insights in #climate #science. How is your lab coming back into the swing of things?
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VOLT Center @voltcenter.bsky.social · 26/08/2025
Today we welcomed Professor Sándor Gonda from the University of Debrecen, for a guest talk on plant-microbe interactions at the plant metabolome level in horseradish. He shared interesting insights on a species that most of us had never studied before! 🌱
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Riikka Rinnan @riikkarinnan.bsky.social · 18/08/2025
I am surprised, deeply honored, and thrilled to share I've been appointed as a Lead Author for the @ipcc.bsky.social Seventh Assessment Report (AR7 WGI)! I will be contributing to Chapter 4, "Advances in process understanding of Earth system changes" - a topic close to my heart.
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Riikka Rinnan @riikkarinnan.bsky.social · 03/08/2025
📢 Exciting postdoc position in the @kathrinrousk.bsky.social group at @voltcenter.bsky.social 📢
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VOLT Center @voltcenter.bsky.social · 15/07/2025
Meet Mehrshad, a PostDoc at VOLT researching #VOC exchanges between the #ocean and the #atmosphere 🌊☁️. Using high-frequency measurements from a remote field site, he focuses on understanding how various physical and biological factors affect these exchanges.
youtu.be
Meet the scientist - Mehrshad Foroughan (Postdoc)
YouTube video by VOLT - Center for Volatile Interactions
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Nasmille Larke-Mejía, PhD @nasmillelarkemejia.bsky.social · 30/07/2025
This is my first time using a #PTR-TOF to track isoprene consumption over time… huge thanks to @voltcenter.bsky.social! 🤓 In the previous image, the black peaks represent #12C isoprene and the red ones show #13C isoprene. Concentrations are around 5–10 ppmv. 🏔️ spectra using 95% labelled 13C-isoprene
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Max-Planck-Gesellschaft @maxplanck.de · 01/08/2025
Director at Max Planck - a unique position! The Open Call for Expressions of Interest in Max Planck Directorships is open now and can be submitted by the 31st of October 2025. ➡️ mpg.de/directors - Please share the Open Call among potential candidates.
Open Call for Expressions of Interest in Max Planck Directorships:
Expressions of interest can be submitted until 31 October 2025.
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Cameron Thrash @jcamthrash.bsky.social · 24/06/2025
Volatilomic complexity of three Northern Greenland bacterial isolates across a salt gradient www.biorxiv.org/content/10.1... #jcampubs
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Riikka Rinnan @riikkarinnan.bsky.social · 21/06/2025
Copenhagen, the best city to live in. We know all about it at @voltcenter.bsky.social - an international bunch living in the happy city. www.forbes.com/sites/laurab...
forbes.com
The 20 Best Cities To Live In The World, According To A 2025 Report
Looking for the best cities to live in the world—including the best places to live in the U.S.? The new Global Liveability Index ranks cities on quality of life and more.
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Riikka Rinnan @riikkarinnan.bsky.social · 21/06/2025
Peatland VOC flux measurements in the beautiful #StoreMosseNationalPark. Nice collaboration between @yijiao.bsky.social @voltcenter.bsky.social and @unpeatable.bsky.social. Funding from @villumfonden.bsky.social @dg.dk
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Yi Jiao @yijiao.bsky.social · 19/06/2025
Field season for team @voltcenter.bsky.social @riikkarinnan.bsky.social @dddwbbtl.bsky.social at #StoreMosse, southern Sweden’s largest active raised bog! We’re tracking how vegetation, water table, and microclimate shape #VOC exchange in #peatland, supported by #VillumFonden.
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Riikka Rinnan @riikkarinnan.bsky.social · 18/06/2025
What a cool retro train or what do you think? #FieldWorkTravel in Sweden
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VOLT Center @voltcenter.bsky.social · 17/06/2025
The BBQ was preceded by a PhD mid-term talk by @martacontreras.bsky.social on the effects of #climatechange on #plant-produced #VOCs. It seems our PhD students have just started, and some are now 14 months away from finishing!
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VOLT Center @voltcenter.bsky.social · 17/06/2025
The sun is shining, and the field work and holiday season are here. But before that, we celebrate 1 more year of VOLT success with our summer BBQ. This time, with a very special guest, collaborator @noahfierer.bsky.social!
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Riikka Rinnan @riikkarinnan.bsky.social · 16/06/2025
This looks cool... sorry... HOT!
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Riikka Rinnan @riikkarinnan.bsky.social · 13/06/2025
Amanda Ammentorp Pedersen did a fantastic job discussing her MSc project at the thesis defence held this week. Amanda's work focused on how Salix herbacea responds to climate warming along a snow melt gradient in Greenland. Stay tuned for a publication later. :) @voltcenter.bsky.social
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Riikka Rinnan @riikkarinnan.bsky.social · 31/05/2025
A PhD defense starting and I'm in the evaluation committee. I don't know the two other committee members. And suddenly I realize I haven't even read the thesis. I really need to go to the toilet when the defense starts–and I can't find the way back to the auditorium. Time for vacation, right?
Faroe Islands scenery
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Global Change Biology @globalchangebio.bsky.social · 24/05/2025
Increased Growth Temperatures Alter Arctic Plant Responses to Heat Wave and Drought 📄 buff.ly/2NU4KiE @martacontreras.bsky.social @riikkarinnan.bsky.social @lundjing.bsky.social @voltcenter.bsky.social @villumfonden.bsky.social @dg.dk
buff.ly
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Nasmille Larke-Mejía, PhD @nasmillelarkemejia.bsky.social · 25/05/2025
@voltcenter.bsky.social wrapped up the 1st International Symposium on Volatile Interactions in Ecosystems in Copenhagen! Special moment for me presenting my work on #uArctic_project isoprene cycling, following the plenary talk & footsteps of my mentor Colin Murrell www.linkedin.com/posts/nasmil...
linkedin.com
#biogenic #volatile #organic #compounds #bvocs #arctic #tropical #plants… | Nasmille Larke-Mejía, PhD
Wrapping up an inspiring two days at the 1st International Symposium on Volatile Interactions in Ecosystems organised by VOLT - Center for Volatile Interactions held in the stunning auditorium at the...
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VOLT Center @voltcenter.bsky.social · 23/05/2025
Great start of the last day of the 1st International #Symposium on #Volatile #Interactions in #Ecosystems with a keynote talk by Colin Murrell from the University of East Anglia. This may be his last scientific talk now that he will enjoy his retirement, so it is extra special to have him.
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rrjunker.bsky.social @rrjunker.bsky.social · 23/05/2025
Thanks so much to @voltcenter.bsky.social, @riikkarinnan.bsky.social and everyone involved in organizing the PhD course on BVOCs and the Symposium on Volatile Interactions in Ecosystems. Great to be part of the discussions in Copenhagen! 🇩🇰
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VOLT Center @voltcenter.bsky.social · 22/05/2025
The first full day of talks and networking of @voltcenter.bsky.social's 1st International Symposium on Volatile Interactions in Ecosystems is in full swing at beautiful festauditoriet in #Frederiksberg, with a fantastic #Aquatic #Ecosystems session in the morning! eventsignup.ku.dk/voltsymposiu...
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Nasmille Larke-Mejía, PhD @nasmillelarkemejia.bsky.social · 22/05/2025
After our registration and welcome talk by @riikkarinnan.bsky.social last night, we are at the first day of talks for the ‘1st International Symposium on Volatile Interactions in Ecosystems’. 🤩 1st plenary speaker is Kimberly Halsey @oregonstate.edu ‘Investigations on the microbiology of VOCs’ 👏🏾👏🏾👏🏾
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Henrik Toft Simonsen @htsbiotechmoss.bsky.social · 21/05/2025
@voltcenter.bsky.social joining the 1st VOC symposium arranged by @riikkarinnan.bsky.social and many more. It is in one of the most beautiful auditoriums at @ucph.bsky.social
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VOLT Center @voltcenter.bsky.social · 20/05/2025
Day 2 of the PhD course organized by @voltcenter.bsky.social and funded by the Faculty of Science @ucph.bsky.social is in full swing. Yesterday, there was a mix of introductions, lab tour and a scents tour at the botanical gardens. Today we delve into the scientific programme.
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Riikka Rinnan @riikkarinnan.bsky.social · 19/05/2025
We are hosting a PhD course on volatiles in ecosystems for 30 international PhD students. Today we heard flash talks by all participants, got an introduction to isotopes, a lab tour and a tour in the Botanical Garden of #SNM. We are thankful for Faculty of Science @ucph.bsky.social for funding.
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Riikka Rinnan @riikkarinnan.bsky.social · 18/05/2025
It was a pleasure to visit @uofglasgow.bsky.social Plant Science symposium to give a talk about our work with plant volatiles in Arctic ecosystems. Learnt a lot and enjoyed the exceptional sunny weather not so common for Scotland.
University building
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VOLT Center @voltcenter.bsky.social · 15/05/2025
Today's talk at @voltcenter.bsky.social was on #marine #atmospheric #VOCs and fluxes in the #Baltic #sea by Mehrshad Foroughan.
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VOLT Center @voltcenter.bsky.social · 13/05/2025
Meet Eve, a PhD candidate at @voltcenter.bsky.social working with marine microbial volatiles, bacteria and #phytoplankton. Her research combines large-scale marine environmental studies with lab experiments on bacterial cultures 🦠🌊
youtu.be
Meet the scientists - Eve Galen (PhD Candidate)
YouTube video by VOLT - Center for Volatile Interactions
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Riikka Rinnan @riikkarinnan.bsky.social · 08/05/2025
The first decision each morning: Which @voltcenter.bsky.social coffee mug to choose today? Plant, soil, or water?
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