Search Results - "Kulmala, L"
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1
Drought effects on soil greenhouse gas fluxes in a boreal and a temperate forest
Published in Biogeochemistry (01-02-2024)“…Changing water regimes (e.g. drought) have unknown long-term consequences on the stability and resilience of soil microorganisms who determine much of the…”
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Journal Article -
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Boreal pine forest floor biogenic volatile organic compound emissions peak in early summer and autumn
Published in Agricultural and forest meteorology (15-06-2011)“…► The boreal forest floor showed the clear emissions of BVOCs. ► Monoterpenes were the most emitted group, sesquiterpene emissions being minor. ► The fluxes of…”
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Journal Article Conference Proceeding -
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Effect of thinning on surface fluxes in a boreal forest
Published in Global biogeochemical cycles (01-06-2005)“…Thinning is a routine forest management operation that changes tree spacing, number, and size distribution and affects the material flows between vegetation…”
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Photosynthesis of ground vegetation in different aged pine forests: Effect of environmental factors predicted with a process-based model
Published in Journal of vegetation science (01-02-2011)“…Question: How do stand age and environmental factors affect the species-specific photosynthesis of ground vegetation? Location: Five different aged pine…”
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Photosynthesis of boreal ground vegetation after a forest clear-cut
Published in Biogeosciences (06-11-2009)“…Heather (Calluna vulgaris), rosebay willowherb (Epilobium angustifolium), wavy hair-grass (Deschampsia flexuosa) and raspberry (Rubus idaeus) are typical…”
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Prescribed burning of logging slash in the boreal forest of Finland: emissions and effects on meteorological quantities and soil properties
Published in Atmospheric chemistry and physics (07-05-2014)“…A prescribed fire experiment was conducted on 26 June 2009 in Hyytiälä, Finland, to study aerosol and trace gas emissions from prescribed fires of slash fuels…”
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Kinetic characteristics of norcocaine N-hydroxylation in mouse and human liver microsomes: involvement of CYP enzymes
Published in Archives of toxicology (20-11-2000)“…The first step in the oxidative metabolism of cocaine is N-demethylation to norcocaine, which is further N-hydroxylated to more toxic N-hydroxynorcocaine. In…”
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Resilience of subarctic Scots pine and Norway spruce forests to extreme weather events
Published in Agricultural and forest meteorology (15-01-2021)“…•Extremely warm, wet, dry and cold periods were found during the studied growing seasons•Pine forest was more resilient to dry and warm periods than spruce…”
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Carbon sequestration potential of street tree plantings in Helsinki
Published in Biogeosciences (22-04-2022)“…Cities have become increasingly interested in reducing their greenhouse gas emissions and increasing carbon sequestration and storage in urban vegetation and…”
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Lawns and meadows in urban green space – a comparison from perspectives of greenhouse gases, drought resilience and plant functional types
Published in Biogeosciences (21-02-2024)“…Today, city planners design urban futures by considering environmental degradation and climate mitigation. Here, we studied the greenhouse gas fluxes of urban…”
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Sap flow and leaf gas exchange response to a drought and heatwave in urban green spaces in a Nordic city
Published in Biogeosciences (08-11-2023)“…Urban vegetation plays a role in offsetting urban CO2 emissions, mitigating heat through tree transpiration and shading, and acting as deposition surfaces for…”
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Improving Yasso15 soil carbon model estimates with ensemble adjustment Kalman filter state data assimilation
Published in Geoscientific Model Development (01-12-2020)“…Model-calculated forecasts of soil organic carbon (SOC) are important for approximating global terrestrial carbon pools and assessing their change. However,…”
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Carbon dioxide fluxes and carbon balance of an agricultural grassland in southern Finland
Published in Biogeosciences (10-06-2021)“…A significant proportion of the global carbon emissions to the atmosphere originate from agriculture. Therefore, continuous long-term monitoring of CO2 fluxes…”
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Journal Article -
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Soil respiration across a variety of tree-covered urban green spaces in Helsinki, Finland
Published in Soil (12-06-2024)“…As an increasing share of the human population is being clustered in cities, urban areas have swiftly become the epicentres of anthropogenic carbon (C)…”
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Annual cycle of Scots pine photosynthesis
Published in Atmospheric chemistry and physics (20-12-2017)“…Photosynthesis, i.e. the assimilation of atmospheric carbon to organic molecules with the help of solar energy, is a fundamental and well-understood process…”
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Effect of compression refining on fiber properties
Published in Bioresources (01-11-2020)“…This article shows how fiber properties obtained by the compression refining of bleached softwood pulp refined using a KID 300 refiner differs from traditional…”
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Prediction of photosynthesis in Scots pine ecosystems across Europe by a needle-level theory
Published in Atmospheric chemistry and physics (18-09-2018)“…Photosynthesis provides carbon for the synthesis of macromolecules to construct cells during growth. This is the basis for the key role of photosynthesis in…”
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Forest floor vegetation plays an important role in photosynthetic production of boreal forests
Published in Forest ecology and management (10-01-2006)“…We estimated gross photosynthetic production (GPP) of the forest floor vegetation in a 40-year-old Scots pine stand in southern Finland with three different…”
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Towards agricultural soil carbon monitoring, reporting, and verification through the Field Observatory Network (FiON)
Published in Geoscientific instrumentation, methods and data systems (16-02-2022)“…Better monitoring, reporting, and verification (MRV) of the amount, additionality, and persistence of the sequestered soil carbon is needed to understand the…”
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