Harri Kokkola
@harrikokkola.bsky.social
Reposted by Harri Kokkola
Another PhD defence @UEF Aerosol Physics Group: Irfan Muhammad defending his thesis on modelling aerosol effects on climate. Pontus Roldin (the Opponent) doesn’t let him off easy. And @harrikokkola.bsky.social (the Custos) sweating there in the middle.
May 28, 2025 at 10:55 AM
Another PhD defence @UEF Aerosol Physics Group: Irfan Muhammad defending his thesis on modelling aerosol effects on climate. Pontus Roldin (the Opponent) doesn’t let him off easy. And @harrikokkola.bsky.social (the Custos) sweating there in the middle.
After a tremendous collaborative effort from multiple measurement and modeling teams, our work has just been published in Nature Geoscience! 🌍🔬 — check it out! 👇 hashtag#Science hashtag#Research hashtag#NatureGeoscience
www.uef.fi/en/article/l...
www.nature.com/articles/s41...
www.uef.fi/en/article/l...
www.nature.com/articles/s41...
Long-term measurements reveal cloud sensitivity to changes in atmospheric aerosol concentrations
An international study led by the University of Eastern Finland and the Finnish Meteorological Institute has demonstrated that the formation and properties of lower-atmosphere clouds are highly sensit...
www.uef.fi
April 3, 2025 at 10:19 AM
After a tremendous collaborative effort from multiple measurement and modeling teams, our work has just been published in Nature Geoscience! 🌍🔬 — check it out! 👇 hashtag#Science hashtag#Research hashtag#NatureGeoscience
www.uef.fi/en/article/l...
www.nature.com/articles/s41...
www.uef.fi/en/article/l...
www.nature.com/articles/s41...
Reposted by Harri Kokkola
🌍 Unlocking climate insights with TerraDT
We need high-res, reliable climate data to guide adaptation policy. #DestinE’s Digital Twins are key and TerraDT takes it further.
📩 Keep up to date on Earth system Digital Twins by subscribing to our newsletter: tinyurl.com/mbaywjs9
#DigitalTwins #ClimateDT
We need high-res, reliable climate data to guide adaptation policy. #DestinE’s Digital Twins are key and TerraDT takes it further.
📩 Keep up to date on Earth system Digital Twins by subscribing to our newsletter: tinyurl.com/mbaywjs9
#DigitalTwins #ClimateDT
March 10, 2025 at 9:24 AM
🌍 Unlocking climate insights with TerraDT
We need high-res, reliable climate data to guide adaptation policy. #DestinE’s Digital Twins are key and TerraDT takes it further.
📩 Keep up to date on Earth system Digital Twins by subscribing to our newsletter: tinyurl.com/mbaywjs9
#DigitalTwins #ClimateDT
We need high-res, reliable climate data to guide adaptation policy. #DestinE’s Digital Twins are key and TerraDT takes it further.
📩 Keep up to date on Earth system Digital Twins by subscribing to our newsletter: tinyurl.com/mbaywjs9
#DigitalTwins #ClimateDT
Reposted by Harri Kokkola
In January, CERTAINTY researchers delivered inspiring lectures to ERCA students, covering topics like aerosols and clouds, atmospheric dynamics, weather systems, remote sensing, and statistical analysis.
Welcome to the new generation of scientists!
Welcome to the new generation of scientists!
February 11, 2025 at 2:34 PM
In January, CERTAINTY researchers delivered inspiring lectures to ERCA students, covering topics like aerosols and clouds, atmospheric dynamics, weather systems, remote sensing, and statistical analysis.
Welcome to the new generation of scientists!
Welcome to the new generation of scientists!
Reposted by Harri Kokkola
Currently, our poster session is in full swing at the CERTAINTY Annual Meeting in Grenoble!
It’s an exciting moment to connect and share insights with our amazing team. The energy and collaboration are truly inspiring!
It’s an exciting moment to connect and share insights with our amazing team. The energy and collaboration are truly inspiring!
February 11, 2025 at 5:02 PM
Currently, our poster session is in full swing at the CERTAINTY Annual Meeting in Grenoble!
It’s an exciting moment to connect and share insights with our amazing team. The energy and collaboration are truly inspiring!
It’s an exciting moment to connect and share insights with our amazing team. The energy and collaboration are truly inspiring!
Reposted by Harri Kokkola
Kicking off a productive CERTAINTY meeting!
We are planning for Year 2 and beyond, aligning on current progress, and strengthening collaborations with our partners and International advisory committee.
Exciting coordinated modeling case studies ahead.
Welcome to all new team members & ECRs!
We are planning for Year 2 and beyond, aligning on current progress, and strengthening collaborations with our partners and International advisory committee.
Exciting coordinated modeling case studies ahead.
Welcome to all new team members & ECRs!
February 13, 2025 at 9:35 AM
Kicking off a productive CERTAINTY meeting!
We are planning for Year 2 and beyond, aligning on current progress, and strengthening collaborations with our partners and International advisory committee.
Exciting coordinated modeling case studies ahead.
Welcome to all new team members & ECRs!
We are planning for Year 2 and beyond, aligning on current progress, and strengthening collaborations with our partners and International advisory committee.
Exciting coordinated modeling case studies ahead.
Welcome to all new team members & ECRs!
Reposted by Harri Kokkola
Welcome to TerraDT, the Digital Twin of the Earth system for cryosphere, land surface and related interactions!
After our kick off, we're ready to embark on this journey, supporting evidence-based policy on climate adaptation.
Sign up to our newsletter on terradt.eu: tinyurl.com/bdhfcmxj
After our kick off, we're ready to embark on this journey, supporting evidence-based policy on climate adaptation.
Sign up to our newsletter on terradt.eu: tinyurl.com/bdhfcmxj
February 13, 2025 at 4:27 PM
Welcome to TerraDT, the Digital Twin of the Earth system for cryosphere, land surface and related interactions!
After our kick off, we're ready to embark on this journey, supporting evidence-based policy on climate adaptation.
Sign up to our newsletter on terradt.eu: tinyurl.com/bdhfcmxj
After our kick off, we're ready to embark on this journey, supporting evidence-based policy on climate adaptation.
Sign up to our newsletter on terradt.eu: tinyurl.com/bdhfcmxj
Reposted by Harri Kokkola
💭 Fruitful Aerosol-Cloud Cluster Session today! We assessed progress, explored new synergies, and discussed future collaborations.
🙏 A big thank you to all our speakers and participants for their valuable contributions!
🔹 Stay tuned for upcoming joint activities.
🙏 A big thank you to all our speakers and participants for their valuable contributions!
🔹 Stay tuned for upcoming joint activities.
February 14, 2025 at 8:41 AM
💭 Fruitful Aerosol-Cloud Cluster Session today! We assessed progress, explored new synergies, and discussed future collaborations.
🙏 A big thank you to all our speakers and participants for their valuable contributions!
🔹 Stay tuned for upcoming joint activities.
🙏 A big thank you to all our speakers and participants for their valuable contributions!
🔹 Stay tuned for upcoming joint activities.
Reposted by Harri Kokkola
[New publication]
📄 Model analysis of biases in the satellite-diagnosed aerosol effect on the cloud liquid water path
✒️ @harrikokkola.bsky.social Juha Tonttila @silviamcalderon.bsky.social Sami Romakkaniemi @anttilip.net et al.
🔗 acp.copernicus.org/articles/25/...
📄 Model analysis of biases in the satellite-diagnosed aerosol effect on the cloud liquid water path
✒️ @harrikokkola.bsky.social Juha Tonttila @silviamcalderon.bsky.social Sami Romakkaniemi @anttilip.net et al.
🔗 acp.copernicus.org/articles/25/...
Model analysis of biases in the satellite-diagnosed aerosol effect on the cloud liquid water path
Abstract. The response in cloud water content to changes in cloud condensation nuclei remains one of the major uncertainties in determining how aerosols can perturb cloud properties. In this study, we...
acp.copernicus.org
February 7, 2025 at 9:16 AM
[New publication]
📄 Model analysis of biases in the satellite-diagnosed aerosol effect on the cloud liquid water path
✒️ @harrikokkola.bsky.social Juha Tonttila @silviamcalderon.bsky.social Sami Romakkaniemi @anttilip.net et al.
🔗 acp.copernicus.org/articles/25/...
📄 Model analysis of biases in the satellite-diagnosed aerosol effect on the cloud liquid water path
✒️ @harrikokkola.bsky.social Juha Tonttila @silviamcalderon.bsky.social Sami Romakkaniemi @anttilip.net et al.
🔗 acp.copernicus.org/articles/25/...
Reposted by Harri Kokkola
📄 New publication
🔹Terrestrial and Marine sources of ice nucleating particles in the Eurasian Arctic
✒️ by Guangyu Li, André Welti, Arianna Rocchi, Germán Pérez Fogwill, M. Dall'Osto & Zamin A. Kanji
🔗 certainty-aci.eu/publications/
🔹Terrestrial and Marine sources of ice nucleating particles in the Eurasian Arctic
✒️ by Guangyu Li, André Welti, Arianna Rocchi, Germán Pérez Fogwill, M. Dall'Osto & Zamin A. Kanji
🔗 certainty-aci.eu/publications/
December 19, 2024 at 9:38 AM
📄 New publication
🔹Terrestrial and Marine sources of ice nucleating particles in the Eurasian Arctic
✒️ by Guangyu Li, André Welti, Arianna Rocchi, Germán Pérez Fogwill, M. Dall'Osto & Zamin A. Kanji
🔗 certainty-aci.eu/publications/
🔹Terrestrial and Marine sources of ice nucleating particles in the Eurasian Arctic
✒️ by Guangyu Li, André Welti, Arianna Rocchi, Germán Pérez Fogwill, M. Dall'Osto & Zamin A. Kanji
🔗 certainty-aci.eu/publications/
Reposted by Harri Kokkola
[New publication ]
📄 Weak liquid water path response in ship tracks
✒️ Anna Tippett, Edward Gryspeerdt, Peter Manshausen, Philip Stier and Tristan W. P. Smith
🔗 acp.copernicus.org/articles/24/...
📄 Weak liquid water path response in ship tracks
✒️ Anna Tippett, Edward Gryspeerdt, Peter Manshausen, Philip Stier and Tristan W. P. Smith
🔗 acp.copernicus.org/articles/24/...
December 19, 2024 at 9:34 AM
[New publication ]
📄 Weak liquid water path response in ship tracks
✒️ Anna Tippett, Edward Gryspeerdt, Peter Manshausen, Philip Stier and Tristan W. P. Smith
🔗 acp.copernicus.org/articles/24/...
📄 Weak liquid water path response in ship tracks
✒️ Anna Tippett, Edward Gryspeerdt, Peter Manshausen, Philip Stier and Tristan W. P. Smith
🔗 acp.copernicus.org/articles/24/...
uef.varbi.com/en/what:job/... uef.varbi.com/en/what:job/...
If you are interested in studying how interactions between atmospheric aerosols and clouds affect weather and climate, UEF offers positions for both doctoral student and post doc level researchers @certainty-aci.bsky.social
If you are interested in studying how interactions between atmospheric aerosols and clouds affect weather and climate, UEF offers positions for both doctoral student and post doc level researchers @certainty-aci.bsky.social
March 14, 2024 at 11:31 AM
uef.varbi.com/en/what:job/... uef.varbi.com/en/what:job/...
If you are interested in studying how interactions between atmospheric aerosols and clouds affect weather and climate, UEF offers positions for both doctoral student and post doc level researchers @certainty-aci.bsky.social
If you are interested in studying how interactions between atmospheric aerosols and clouds affect weather and climate, UEF offers positions for both doctoral student and post doc level researchers @certainty-aci.bsky.social
Reposted by Harri Kokkola
[CERTAINTY]
New @HorizonEU Project focusing on improved understanding of Clouds and Aerosols in #Weather and #Climate has started on 1 January 2024!
🔗 Visit our website: certainty-aci.eu
New @HorizonEU Project focusing on improved understanding of Clouds and Aerosols in #Weather and #Climate has started on 1 January 2024!
🔗 Visit our website: certainty-aci.eu
January 8, 2024 at 11:31 AM
[CERTAINTY]
New @HorizonEU Project focusing on improved understanding of Clouds and Aerosols in #Weather and #Climate has started on 1 January 2024!
🔗 Visit our website: certainty-aci.eu
New @HorizonEU Project focusing on improved understanding of Clouds and Aerosols in #Weather and #Climate has started on 1 January 2024!
🔗 Visit our website: certainty-aci.eu
Reposted by Harri Kokkola
Juttua ilmastonmuokkauksesta hs:ssa: www.hs.fi/tiede/art-20...
Ilmaston lämpeneminen | Hillitsimme lämpenemistä jo vahingossa – ”pirullinen” keino nousi t...
Rikkipäästöjen vähentäminen esti useita kuolemia – mutta samalla nopeutti lämpenemistä. Tutkijat pohtivat taas, miten voisimme viilentää ilmastoa ja jopa hillitä mannerjäätiköiden sulam...
www.hs.fi
December 27, 2023 at 7:54 PM
Juttua ilmastonmuokkauksesta hs:ssa: www.hs.fi/tiede/art-20...
In the beginning of 2024 we will start a new exciting project that will study the complex interactions between clouds and aerosols en.ilmatieteenlaitos.fi/news/2EaT83p...
@certainty-aci.bsky.social
@certainty-aci.bsky.social
New project focuses on improved understanding of clouds and aerosols
CERTAINTY: Cloud-aerosol interactions & their impacts in the earth system project, funded by the Horizon Europe program, aims to advance our comprehension of clouds and aerosols in the climate. This
en.ilmatieteenlaitos.fi
December 27, 2023 at 5:08 PM
In the beginning of 2024 we will start a new exciting project that will study the complex interactions between clouds and aerosols en.ilmatieteenlaitos.fi/news/2EaT83p...
@certainty-aci.bsky.social
@certainty-aci.bsky.social
Reposted by Harri Kokkola
Osallistuttiin @harrikokkola.bsky.social:n kanssa hienoon tutkimukseen, jossa onnistuttiin tarkentamaan arvioita savuhiukkasten vaikutuksesta ilmastoon.
Ilmakehämallit eivät ole täydellisiä, mutta meillä on keinoja parantaa niiden tuottamia arvioita
🧪 #tiedetaivas
Ilmakehämallit eivät ole täydellisiä, mutta meillä on keinoja parantaa niiden tuottamia arvioita
🧪 #tiedetaivas
Ilmatieteen laitos
www.ilmatieteenlaitos.fi
December 19, 2023 at 11:12 AM
Osallistuttiin @harrikokkola.bsky.social:n kanssa hienoon tutkimukseen, jossa onnistuttiin tarkentamaan arvioita savuhiukkasten vaikutuksesta ilmastoon.
Ilmakehämallit eivät ole täydellisiä, mutta meillä on keinoja parantaa niiden tuottamia arvioita
🧪 #tiedetaivas
Ilmakehämallit eivät ole täydellisiä, mutta meillä on keinoja parantaa niiden tuottamia arvioita
🧪 #tiedetaivas
A new study shows that constraining the properties of absorbing aerosol results in a threefold reduction in modeled direct radiative effects of biomass burning aerosol
www.science.org/doi/10.1126/...
We were happy to be involved in the study with our model simulations
@mielonen.bsky.social
www.science.org/doi/10.1126/...
We were happy to be involved in the study with our model simulations
@mielonen.bsky.social
Threefold reduction of modeled uncertainty in direct radiative effects over biomass burning regions ...
Constraining absorbing biomass burning aerosols greatly reduce the uncertainty of regional aerosol direct radiative effects.
www.science.org
December 13, 2023 at 8:47 AM
A new study shows that constraining the properties of absorbing aerosol results in a threefold reduction in modeled direct radiative effects of biomass burning aerosol
www.science.org/doi/10.1126/...
We were happy to be involved in the study with our model simulations
@mielonen.bsky.social
www.science.org/doi/10.1126/...
We were happy to be involved in the study with our model simulations
@mielonen.bsky.social