Explanipedia

Improving agricultural carbon monitoring with Sentinel-2 and eddy-covariance-based plant productivity estimates Open

Julius Vira, Henriikka Vekuri, Olli Nevalainen, Mika Korkiakoski, Tuomas Mattila , et al. · 2025

Carbon balances of croplands are often assessed using models that depend critically on accurate estimates of soil carbon inputs such as crop residues, dead roots, and root exudates. Here, we develop a method to estimate soil carbon inputs …

Diel variation in CO 2 flux is substantial in many lakes Open

Elvira de Eyto, Robyn L. Smyth, Rachel M. Pilla, Alo Laas, Amir Reza Shahabinia , et al. · 2025

Lakes play a significant role in the global carbon cycle, acting as sources and sinks of carbon dioxide (CO 2 ). In situ measurements of CO 2 flux (FCO 2 ) from lakes have generally been collected during daylight, despite indications of si…

Carbon dynamics after thinning in two boreal forest sites: Upland and drained peatland Open

Gonzalo de Quesada, Helena Rautakoski, Jie Xu, Qian Li, Tuula Larmola , et al. · 2025

Potential of carbon uptake and local aerosol production in boreal and hemi-boreal ecosystems across Finland and in Estonia Open

Piaopiao Ke, Anna Lintunen, Pasi Kolari, Annalea Lohila, Santeri Tuovinen , et al. · 2025

Continental ecosystems play an important role in carbon dioxide (CO2) uptake and aerosol production, which help to mitigate climate change. The concept of “CarbonSink+ potential” enables a direct comparison of CO2 uptake and local aerosol …

External and internal drivers behind the formation, vegetation succession, and carbon balance of a subarctic fen margin Open

Teemu Juselius‐Rajamäki, Sanna Piilo, Susanna Salminen‐Paatero, Emilia Tuomaala, Tarmo Virtanen , et al. · 2025

Peatlands are the most carbon-dense terrestrial ecosystem, and recent studies have shown that the northern peatlands have been (and still are) expanding into new areas. However, depending on the vegetation and hydrological regime in the ne…

Impacts of diverse undersown cover crops on seasonal soil microbial properties Open

Rashmi Shrestha, Karoliina Huusko, Outi‐Maaria Sietiö, Bernhard Schmid, Seraina L. Cappelli , et al. · 2025

Positive relationships between plant diversity, microbial diversity, and ecosystem functioning have widely been observed in experimental grasslands. However, the impact of cover crop (CC) species diversification on soil microbial diversity…

Assessing CO2 Fluxes for European Peatlands in ORCHIDEE‐PEAT With Multiple Plant Functional Types Open

Liyang Liu, Chunjing Qiu, Yi Xi, Élodie Salmon, Aram Kalhori , et al. · 2025

Peatlands are significant carbon reservoirs vulnerable to climate change and land use change such as drainage for cultivation or forestry. We modified the ORCHIDEE‐PEAT global land surface model, which has a detailed description of peat pr…

Natural Nanoparticles and Colloids in Forested Streams Across Europe: Seasonal Patterns and Impact of Soil Groups Open

Heike Schimmel, Wulf Amelung, Nina Gottselig, Maria‐Teresa Sebastià, Jan Jacob Keizer , et al. · 2025

The element loss from forested ecosystems is largely reflected by the so‐called dissolved phase (20–60 nm, and >60 nm) were identified using field flow fractionation coupled with inductively coupled plasma mass spectrometry and an organic …

Are natural mires warming or cooling Earth’s climate? - A perspective by the new ACME metric Open

Janne Rinne, Juha‐Pekka Tuovinen, Annalea Lohila · 2025

Introduction Mire ecosystems, i.e. peat forming wetlands, have sequestered carbon dioxide (CO 2 ) from the atmosphere for millenia accumulating its carbon (C) into thick peat deposits. This has created a negative perturbation to the atmosp…

Environmental impacts of peat extraction site rewetting – Establishing of new intensive monitoring site Open

Xiao Lu, Annalea Lohila, Maarit Liimatainen, Anna‐Kaisa Ronkanen, Heini Postila , et al. · 2025

Peat extraction and use of peat resources for energy purposes are ending in Finland as part of societal green transition and energy production shift. Former peat extraction areas are often restored by rewetting, but short- and long-term im…

Continuous cover forestry in drained peatland forests: Effects of harvesting on CO2 balance at two nutrient-rich sites Open

Helena Rautakoski, Mika Korkiakoski, Henriikka Vekuri, Paavo Ojanen, Annalea Lohila , et al. · 2025

Greenhouse gas emissions from drained peatlands have received attention in recent years as countries seek to minimize land-use emissions as part of their climate change mitigation efforts. Continuous cover forestry (CCF) has been proposed …

A practical metric for estimating the current climate forcing of natural mires Open

Janne Rinne, Juha‐Pekka Tuovinen, Annalea Lohila · 2025

Commensuration of the radiative effects of different greenhouse gases (GHGs) is crucial for understanding the effects of land cover and ecosystem changes on the global climate. However, none of the current commensuration approaches are sui…

Assessing modelled methane emissions over northern wetlands by the JULES-HIMMELI model Open

Yao Gao, Eleanor Burke, Sarah Chadburn, Maarit Raivonen, Tiina Markkanen , et al. · 2025

Northern wetlands are considered to be one of the most significant natural sources of methane (CH₄) emissions. The default wetland CH₄ emission scheme in JULES, a current state-of-art land surface model, only takes in…

The net ecosystem carbon balance (NECB) at catchment scales in the Arctic Open

Efrén López‐Blanco, Maria Väisänen, Élodie Salmon, Cheristy P. Jones, Niels Martin Schmidt , et al. · 2025

The Net Ecosystem Carbon Balance (NECB) is a crucial metric for understanding integrated carbon dynamics in Arctic and boreal regions, which are vital to the global carbon cycle. These areas are associated with significant uncertainties an…

Impact of winter warming on CO 2 fluxes in evergreen needleleaf forests Open

Mana Gharun, Ankit Shekhar, Lukas Hörtnagl, Luana Krebs, Nicola Arriga , et al. · 2025

Compared to drought and heat waves, the impact of winter warming on forest CO2 fluxes has been less studied, despite its significant relevance in colder regions with higher soil carbon content. Our objective was to test the effect of the e…

A practical metric for estimating the current climate forcing of natural mires Open

Janne Rinne, Juha‐Pekka Tuovinen, Annalea Lohila · 2025

Commensuration of the radiative effects of different greenhouse gases (GHGs) is crucial for understanding the effects of land cover and ecosystem changes on the global climate. However, none of the current commensuration approaches are sui…

Comparison of shortwave radiation dynamics between boreal forest and open peatland pairs in southern and northern Finland Open

Otso Peräkylä, Erkka Rinne, Ekaterina Ezhova, Anna Lintunen, Annalea Lohila , et al. · 2025

Snow cover plays a key role in determining the albedo and thus the shortwave radiation balance of a surface. The effect of snow on albedo is modulated by land use: tree canopies break the uniform snow layer and lower the albedo as compared…

Impact of Thinning on Carbon Dynamics in Boreal Upland and Peatland Forests Open

Gonzalo de Quesada Alzamora, Helena Rautakoski, Jie Xu, Qian Li, Tuula Larmola , et al. · 2025

Surface Energy Balance and Surface Temperature Sensitivity in Northern Boreal Ecosystems Open

Erkka Rinne, Juha-Pekka Tuovinen, Annalea Lohila, Mika Aurela · 2025

Barley Intercropped with Undersown Species in Northern Europe: A Modest Yet Positive Impact on Co2 Uptake During the Shoulder Seasons Open

Stephanie Gerin, Liisa Kulmala, Mika Korkiakoski, Rashmi Shrestha, Helena Rautakoski , et al. · 2025

Future methane fluxes of peatlands are controlled by management practices and fluctuations in hydrological conditions due to climatic variability Open

Vilna Tyystjärvi, Tiina Markkanen, Leif Backman, Maarit Raivonen, Antti Leppänen , et al. · 2024

Peatland management practices, such as drainage and restoration, have a strong effect on boreal peatland methane (CH4) fluxes. Furthermore, CH4 fluxes are strongly controlled by local environmental conditions, such as soil hydrology, tempe…

Ecosystem-scale crassulacean acid metabolism (CAM) gas exchange of a sisal (Agave sisalana) plantation Open

Mikko Skogberg, Kukka‐Maaria Kohonen, Annalea Lohila, Lutz Merbold, Matti Räsänen , et al. · 2024

Carbon dioxide exchange above a 30-year-old Scots pine plantation established on organic-soil cropland Open

Annalea Lohila, Tuomas Laurila, Lasse Aro, Mika Aurela, Juha‐Pekka Tuovinen , et al. · 2024

In the boreal zone, large areas of natural mires have been drained and used for agriculture, resulting in net carbon dioxide (CO 2 ) emissions and increased nitrous oxide emissions but decreased methane emissions. However, due to structura…

Carbon dioxide and energy fluxes over a northern boreal lake Open

Annalea Lohila, Juha‐Pekka Tuovinen, Juha Hatakka, Mika Aurela, Jussi Vuorenmaa , et al. · 2024

We present a data set covering three months of carbon dioxide (CO2) and energy fluxes measured by the eddy covariance method over a northern boreal lake that collects waters from a surrounding catchment dominated by upland forest and wetla…

Carbon dioxide fluxes and vegetation structure in rewetted and pristine peatlands in Finland and Estonia Open

Anna‐Helena Purre, Timo Penttilä, Paavo Ojanen, Kari Minkkinen, Mika Aurela , et al. · 2024

Vast areas of peatlands have been drained for forestry endangering their carbon sink function. Peatland rewetting aims at mitigating the situation through restoring the hydrology and vegetation of these areas. We compared the carbon dioxid…

Carbon dioxide and energy flux measurements in four northern-boreal ecosystems at Pallas Open

Mika Aurela, Annalea Lohila, Juha‐Pekka Tuovinen, Juha Hatakka, Timo Penttilä , et al. · 2024

CarbonSink+ — Accounting for multiple climate feedbacks from forests Open

Markku Kulmala, Ekaterina Ezhova, Tuomo Kalliokoski, Steffen M. Noe, Timo Vesala , et al. · 2024

Forests cool the climate system by acting as a sink for carbon dioxide (CO2) and by enhancing the atmospheric aerosol load, whereas the simultaneous decrease of the surface albedo tends to have a warming effect. Here, we present the concep…

Carbon dioxide exchange on a northern boreal fen Open

Mika Aurela, Annalea Lohila, Juha‐Pekka Tuovinen, Juha Hatakka, Tuomas Laurila , et al. · 2024

Long-term net ecosystem CO{sub 2} exchange measurements were conducted on a nutrient-rich fen in northern Finland using the eddy covariance method. During the three measurement years (2006-2008), the mean daytime CO{sub 2} flux in July was…

Soil greenhouse gas emissions from afforested organic soil croplands and cutaway peatlands Open

Päivi Mäkiranta, Jyrki Hytönen, Lasse Aro, Marja Maljanen, Mari Pihlatie , et al. · 2024

The effects of land-use and land-use change on soil greenhouse gas (GHG) fluxes are of concern due to Kyoto Protocol requirements. To quantify the soil GHG-fluxes of afforested organic soils in Finland, chamber measurements of soil CO 2 , …

Preface to the special issue on integrated research of atmosphere, ecosystems and environment at Pallas Open

Annalea Lohila, Timo Penttilä, Sinikka Jortikka, Tuula Aalto, Pia Anttila , et al. · 2024

Annalea Lohila YOU? Author Swipe