Search Results - "Arvola, Lauri"
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Spatiotemporal variation in water quality and identification and quantification of areas sensitive to water quality in Hulun lake, China
Published in Ecological indicators (01-05-2023)“…[Display omitted] •The WQI with improved weighting was applied to assess changes to the water quality of Hulun Lake.•The OLS model identified factors…”
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Under‐ice metabolism in a shallow lake in a cold and arid climate
Published in Freshwater biology (01-10-2019)“…Winter is a long period of the annual cycle of many lakes in the northern hemisphere. Low irradiance, ice, and snow cover cause poor light penetration into the…”
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3
Primary productivity of phytoplankton and its influencing factors in cold and arid regions: A case study of Wuliangsuhai Lake, China
Published in Ecological indicators (01-11-2022)“…•Chlorophyll a concentration reached the highest value in ice period.•The PBopt in ice period appears at the bottom of the photic zone.•In harsh environments,…”
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4
Effects of weather-related episodic events in lakes: an analysis based on high-frequency data
Published in Freshwater biology (01-03-2012)“…Summary 1. Weather‐related episodic events are typically unpredictable, and their duration is often short. Abiotic and biological responses are often missed in…”
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5
Spatiotemporal variability and diffusive emissions of greenhouse gas in a shallow eutrophic lake in Inner Mongolia, China
Published in Ecological indicators (01-12-2022)“…[Display omitted] •Greenhouse gases emissions from a shallow lake in semi-arid area were estimated.•Considerable spatiotemporal variation in dissolved CO2,…”
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6
Genetic and environmental controls on nitrous oxide accumulation in lakes
Published in PloS one (10-03-2015)“…We studied potential links between environmental factors, nitrous oxide (N2O) accumulation, and genetic indicators of nitrite and N2O reducing bacteria in 12…”
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High Mercury Concentrations of European Perch (Perca fluviatilis) in Boreal Headwater Lakes with Variable History of Acidification and Recovery
Published in Water, air, and soil pollution (01-09-2021)“…High dissolved organic carbon and low pH are often associated with elevated mercury content of fish in boreal lakes, but less is known about the fish mercury…”
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Equilibrium simulation and driving factors of dissolved oxygen in a shallow eutrophic Inner Mongolian lake (UL) during open-water period
Published in Water science & technology. Water supply (01-06-2022)“…Abstract A water quality monitoring buoy installed in the center of the eutrophic shallow lake Ulansuhai was used to explore the dissolved oxygen (DO) balance…”
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Long-Term (2001–2020) Nutrient Transport from a Small Boreal Agricultural Watershed: Hydrological Control and Potential of Retention Ponds
Published in Water (Basel) (01-10-2020)“…Agriculture contributes significantly to phosphorus and nitrogen loading in southern Finland. Climate change with higher winter air temperatures and…”
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10
Diurnal Cycle Model of Lake Ice Surface Albedo: A Case Study of Wuliangsuhai Lake
Published in Remote sensing (Basel, Switzerland) (01-08-2021)“…Ice surface albedo is an important factor in various optical remote sensing technologies used to determine the distribution of snow or melt water on the ice,…”
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Consequence of altered nitrogen cycles in the coupled human and ecological system under changing climate: The need for long-term and site-based research
Published in Ambio (01-04-2015)“…Anthropogenically derived nitrogen (N) has a central role in global environmental changes, including climate change, biodiversity loss, air pollution,…”
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12
Heat balance of supraglacial lakes in the western Dronning Maud Land
Published in Annals of glaciology (01-07-2016)“…Thermodynamics of a seasonal supraglacial lake were examined based on field data from three summers. At maximum, the lake body consisted of an upper layer with…”
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SOM clustering of 21-year data of a small pristine boreal lake
Published in Knowledge and management of aquatic ecosystems (2017)“…In order to improve our understanding of the connections between the biological processes and abiotic factors, we clustered complex long-term ecological data…”
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14
Nitrate-Depleted Conditions on the Increase in Shallow Northern European Lakes
Published in Limnology and oceanography (01-07-2007)“…We determined relative nitrate-nitrogen (NO3-N) loss rates in 100 north-mid-European lakes from late spring to summer by using the exponential function $N_2 =…”
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Food Web Responses to Artificial Mixing in a Small Boreal Lake
Published in Water (Basel) (01-07-2017)“…In order to simulate food web responses of small boreal lakes to changes in thermal stratification due to global warming, a 4 year whole-lake manipulation…”
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DOC and CO_2-C Releases from Pristine and Drained Peat Soils in Response to Water Table Fluctuations: A Mesocosm Experiment
Published in Applied and Environmental Soil Science (01-12-2014)“…Hydrological conditions are considered to be among the main drivers influencing the export of dissolved organic carbon (DOC) from terrestrial to aquatic…”
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Methane efflux in relation to plant biomass and sediment characteristics in stands of three common emergent macrophytes in boreal mesoeutrophic lakes
Published in Global change biology (01-01-2005)“…Methane efflux was studied in stands of three emergent macrophyte species (Equisetum fluviatile, Schoenoplectus lacustris and Phragmites australis) commonly…”
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Nitrogen Release in Pristine and Drained Peat Profiles in Response to Water Table Fluctuations: A Mesocosm Experiment
Published in Applied and Environmental Soil Science (2013)“…In the northern hemisphere, variability in hydrological conditions was suggested to increase as a consequence of climate warming, which may result in longer…”
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DOC and CO2-C Releases from Pristine and Drained Peat Soils in Response to Water Table Fluctuations: A Mesocosm Experiment
Published in Applied and environmental soil science (2014)“…Hydrological conditions are considered to be among the main drivers influencing the export of dissolved organic carbon (DOC) from terrestrial to aquatic…”
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Short- and long-term patterns of 137Cs in fish and other aquatic organisms of small forest lakes in southern Finland since the Chernobyl accident
Published in Journal of environmental radioactivity (2012)“…We summarize the patterns of 137Cs activity concentrations and transfer into fish and other biota in four small forest lakes in southern Finland during a…”
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