Search Results - "Siebicke, L."
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Quality control of CarboEurope flux data - Part 1: Coupling footprint analyses with flux data quality assessment to evaluate sites in forest ecosystems
Published in Biogeosciences (01-01-2008)“…We applied a site evaluation approach combining Lagrangian Stochastic footprint modeling with a quality assessment approach for eddy-covariance data to 25…”
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The Response of Tropical Rainforest Dead Wood Respiration to Seasonal Drought
Published in Ecosystems (New York) (01-11-2013)“…Coarse woody debris (CWD, dead wood sections ≥10 cm diameter) represents a large store of carbon in tropical forests; however, estimates of the flux of carbon…”
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Coupling processes and exchange of energy and reactive and non-reactive trace gases at a forest site – results of the EGER experiment
Published in Atmospheric chemistry and physics (17-02-2012)“…To investigate the energy, matter and reactive and non-reactive trace gas exchange between the atmosphere and a spruce forest in the German mountain region,…”
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CO2-gradient measurements using a parallel multi-analyzer setup
Published in Atmospheric measurement techniques (01-03-2011)“…Accurate CO2 concentration gradient measurements are needed for the computation of advective flux terms, which are part of the full Net Ecosystem Exchange…”
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Assessment and up-scaling of CO₂ exchange by patches of the herbaceous vegetation mosaic in a Portuguese cork oak woodland
Published in Agricultural and forest meteorology (04-07-2008)“…Long-term eddy covariance measurements over a montado oak woodland in southern Portugal have documented a vulnerability to predicted decreases in springtime…”
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True eddy accumulation – Part 2: Theory and experiment of the short-time eddy accumulation method
Published in Atmospheric measurement techniques (04-01-2023)“…A new variant of the eddy accumulation method for measuring atmospheric exchange is derived, and a prototype sampler is evaluated. The new method, termed…”
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True eddy accumulation – Part 1: Solutions to the problem of non-vanishing mean vertical wind velocity
Published in Atmospheric measurement techniques (04-01-2023)“…The true eddy accumulation (TEA) method provides direct measurements of ecosystem-level turbulent fluxes for a wide range of atmospheric constituents. TEA…”
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Low-cost eddy covariance: a case study of evapotranspiration over agroforestry in Germany
Published in Atmospheric measurement techniques (03-09-2019)“…Heterogeneous land surfaces require multiple measurement units for spatially adequate sampling and representative fluxes. The complexity and cost of…”
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Evapotranspiration over agroforestry sites in Germany
Published in Biogeosciences (28-10-2020)“…In the past few years, the interest in growing crops and trees for bioenergy production has increased. One agricultural practice is the mixed cultivation of…”
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True eddy accumulation trace gas flux measurements: proof of concept
Published in Atmospheric measurement techniques (15-08-2019)“…Micrometeorological methods to quantify fluxes of atmospheric constituents are key to understanding and managing the impact of land surface sources and sinks…”
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Lower-cost eddy covariance for CO2 and H2O fluxes over grassland and agroforestry
Published in Atmospheric measurement techniques (17-10-2024)“…Eddy covariance (EC) measurements can provide direct and non-invasive ecosystem measurements of the exchange of energy, water (H2O) and carbon dioxide (CO2)…”
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ICOS eddy covariance flux-station site setup: a review
Published in International Agrophysics (01-12-2018)“…The Integrated Carbon Observation System Research Infrastructure aims to provide long-term, continuous observations of sources and sinks of greenhouse gases…”
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Modeling the impacts of diffuse light fraction on photosynthesis in ORCHIDEE (v5453) land surface model
Published in Geoscientific Model Development (10-11-2020)“…Aerosol- and cloud-induced changes in diffuse light have important impacts on the global land carbon cycle, as they alter light distribution and photosynthesis…”
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CO 2 -gradient measurements using a parallel multi-analyzer setup
Published in Atmospheric measurement techniques (01-03-2011)“…Accurate CO2 concentration gradient measurements are needed for the computation of advective flux terms, which are part of the full Net Ecosystem Exchange…”
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Towards long-term standardised carbon and greenhouse gas observations for monitoring Europe´s terrestrial ecosystems: a review
Published in International Agrophysics (2018)“…Research infrastructures play a key role in launching a new generation of integrated long-term, geographically distributed observation programmes designed to…”
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CO2 exchange and biomass development of the herbaceous vegetation in the Portuguese montado ecosystem during spring
Published in Agriculture, ecosystems & environment (01-07-2009)“…Montado are spatially heterogeneous ecosystems that are economically important for the production of cork and herbaceous biomass that provide fodder for…”
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Assessment and up-scaling of CO sub(2) exchange by patches of the herbaceous vegetation mosaic in a Portuguese cork oak woodland
Published in Agricultural and forest meteorology (04-07-2008)“…Long-term eddy covariance measurements over a montado oak woodland in southern Portugal have documented a vulnerability to predicted decreases in springtime…”
Get full text
Journal Article -
18
Assessment and up-scaling of CO 2 exchange by patches of the herbaceous vegetation mosaic in a Portuguese cork oak woodland
Published in Agricultural and forest meteorology (2008)“…Long-term eddy covariance measurements over a montado oak woodland in southern Portugal have documented a vulnerability to predicted decreases in springtime…”
Get full text
Journal Article