Articles with "ch4 n2o" as a keyword



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Mitigation of CO2, CH4 and N2O from a fertigated horticultural growing medium amended with biochars and a compost

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Published in 2018 at "Applied Soil Ecology"

DOI: 10.1016/j.apsoil.2018.02.021

Abstract: Abstract Biochar effect on greenhouse gases mitigation was mainly studied in amended mineral soils and little information is available for peat-based growing media (PBGMs) used in greenhouse production. We established a 58-d PBGM microcosm incubation… read more here.

Keywords: biochars compost; ch4 n2o; mitigation; mitigation co2 ... See more keywords
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Annual methane and nitrous oxide emissions from rice paddies and inland fish aquaculture wetlands in southeast China

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Published in 2018 at "Atmospheric Environment"

DOI: 10.1016/j.atmosenv.2017.12.008

Abstract: Abstract Inland aquaculture ponds have been documented as important sources of atmospheric methane (CH4) and nitrous oxide (N2O), while their regional or global source strength remains unclear due to lack of direct flux measurements by… read more here.

Keywords: rice paddies; ch4 n2o; aquaculture; fish aquaculture ... See more keywords
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Impact of hydrochar on rice paddy CH4 and N2O emissions: A comparative study with pyrochar.

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Published in 2018 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2018.04.056

Abstract: Hydrothermal carbonization (HTC) thermally converts wet biomasses to carbon materials, dramatically reducing energy use for drying and improving solid product yield compared to pyrolysis process. However, researches regarding agricultural usage of hydrochar (HC) are limited.… read more here.

Keywords: paddy ch4; ch4 n2o; study; n2o emissions ... See more keywords
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An urban polluted river as a significant hotspot for water-atmosphere exchange of CH4 and N2O.

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Published in 2020 at "Environmental pollution"

DOI: 10.1016/j.envpol.2020.114770

Abstract: Polluted urban river systems might be a strong source of atmospheric methane (CH4) and nitrous oxide (N2O), but so far only a few urban river systems have been quantified with regard to their source strength… read more here.

Keywords: water; ch4 n2o; river; urban river ... See more keywords
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Simultaneous Monitoring of Atmospheric CH4, N2O, and H2O Using a Single Gas Sensor Based on Mid-IR Quartz-Enhanced Photoacoustic Spectroscopy.

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Published in 2022 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.2c03785

Abstract: An optical sensor based on external-cavity quantum cascade laser (EC-QCL) was developed for simultaneous triple-species monitoring of CH4, N2O, and H2O vapor using off-beam quartz-enhanced photoacoustic spectroscopy (OB-QEPAS). The EC-QCL wavelength was scanned over three… read more here.

Keywords: ch4 n2o; spectroscopy; h2o; n2o h2o ... See more keywords
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Effects of fire on CO2 , CH4 , and N2O exchange in a well‐drained Arctic heath ecosystem

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Published in 2022 at "Global Change Biology"

DOI: 10.1111/gcb.16222

Abstract: Wildfire frequency and expanse in the Arctic have increased in recent years and are projected to increase further with changes in climatic conditions due to warmer and drier summers. Yet, there is a lack of… read more here.

Keywords: co2 ch4; effects fire; ecosystem; fire co2 ... See more keywords
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Soil-atmosphere fluxes of CO2, CH4, and N2O across an experimentally-grown, successional gradient of biocrust community types

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Published in 2022 at "Frontiers in Microbiology"

DOI: 10.3389/fmicb.2022.979825

Abstract: Biological soil crusts (biocrusts) are critical components of dryland and other ecosystems worldwide, and are increasingly recognized as novel model ecosystems from which more general principles of ecology can be elucidated. Biocrusts are often diverse… read more here.

Keywords: biocrust; community; soil atmosphere; fluxes co2 ... See more keywords
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Nitric oxide: A core signaling molecule under elevated GHGs (CO2, CH4, N2O, O3)-mediated abiotic stress in plants

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Published in 2022 at "Frontiers in Plant Science"

DOI: 10.3389/fpls.2022.994149

Abstract: Nitric oxide (NO), an ancient molecule with multiple roles in plants, has gained momentum and continues to govern plant biosciences-related research. NO, known to be involved in diverse physiological and biological processes, is a central… read more here.

Keywords: stress plants; co2 ch4; nitric oxide; molecule ... See more keywords
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Emissions of CO2, CH4, and N2O Fluxes from Forest Soil in Permafrost Region of Daxing’an Mountains, Northeast China

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Published in 2019 at "International Journal of Environmental Research and Public Health"

DOI: 10.3390/ijerph16162999

Abstract: With global warming, the large amount of greenhouse gas emissions released by permafrost degradation is important in the global carbon and nitrogen cycle. To study the feedback effect of greenhouse gases on climate change in… read more here.

Keywords: ch4 n2o; daxing mountains; co2 ch4; forest soil ... See more keywords
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The consolidated European synthesis of CH4 and N2O emissions for the European Union and United Kingdom: 1990–2017

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Published in 2021 at "Earth System Science Data"

DOI: 10.5194/essd-13-2307-2021

Abstract: Abstract. Reliable quantification of the sources and sinks of greenhouse gases, together with trends and uncertainties, is essential to monitoring the progress in mitigating anthropogenic emissions under the Paris Agreement. This study provides a consolidated… read more here.

Keywords: synthesis ch4; period; european union; n2o emissions ... See more keywords
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博斯腾湖人工和天然芦苇湿地土壤CO 2 、CH 4 和N 2 O排放通量

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Published in 2018 at "Acta Ecologica Sinica"

DOI: 10.5846/stxb201610302213

Abstract: 为研究干旱区淡水湖泊人工、天然芦苇湿地土壤温室气体源汇强度及其影响因素,采用静态箱-气相色谱法,于2015年1月-12月对博斯腾湖人工和天然芦苇湿地土壤CO2、CH4和N2O通量进行全年观测。结果表明,人工芦苇湿地土壤CO2、CH4和N2O排放通量变化范围分别为:10.1-588.4mg m-2 h-1、2.9-82.4μg m-2 h-1和1.32-29.7μg m-2 h-1,天然芦苇湿地土壤CO2、CH4和N2O排放通量变化范围分别为10.3-469.6mg m-2 h-1、3.1-64.8μg m-2 h-1和1.9-14.3μg m-2 h-1。人工和天然芦苇湿地夏季土壤CO2排放通量均明显高于其他季节,而土壤CH4和N2O排放通量较大值多集中在春末夏初。全年观测期间,人工芦苇湿地土壤CO2、CH4和N2O排放通量高于天然芦苇湿地(P>0.05);温度是影响人工、天然芦苇湿地土壤CO2和N2O排放通量的关键因素,近地面温度和5cm土壤温度与CO2和N2O排放通量呈现极显著的正相关关系(P 12484.21kg/hm2)。 read more here.

Keywords: co2; ch4 n2o; n2o co2; co2 ch4 ... See more keywords