Energy and Matter Fluxes of a Spruce Forest Ecosystem by Thomas Foken

By Thomas Foken

This publication specializes in fluxes of strength, carbon dioxide and subject in and above a significant eu spruce wooded area. The transition from a woodland laid low with acid rain right into a heterogeneous woodland happened due to wind throw, bark beetles and weather swap. clinical effects bought during the last twenty years on the FLUXNET website DE-Bay (Waldstein-Weidenbrunnen) are proven including tools constructed on the web site, together with the appliance of footprint versions for data-quality research, the coupling among the trunk house and the ambience, the significance of the Damköhler quantity for hint gasoline reports, and the turbulent stipulations at a wooded area side. as well as the various experimental experiences, the publication additionally applies version reviews equivalent to higher-order closure versions, Large-Eddy Simulations, and runoff versions for the catchment and compares them with the experimental information. additionally, by means of highlighting techniques within the surroundings it deals insights into the functioning of the atmosphere as a complete. it really is of curiosity to ecologists, micrometeorologists and surroundings modelers.

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By Thomas Foken

This publication specializes in fluxes of strength, carbon dioxide and subject in and above a significant eu spruce wooded area. The transition from a woodland laid low with acid rain right into a heterogeneous woodland happened due to wind throw, bark beetles and weather swap. clinical effects bought during the last twenty years on the FLUXNET website DE-Bay (Waldstein-Weidenbrunnen) are proven including tools constructed on the web site, together with the appliance of footprint versions for data-quality research, the coupling among the trunk house and the ambience, the significance of the Damköhler quantity for hint gasoline reports, and the turbulent stipulations at a wooded area side. as well as the various experimental experiences, the publication additionally applies version reviews equivalent to higher-order closure versions, Large-Eddy Simulations, and runoff versions for the catchment and compares them with the experimental information. additionally, by means of highlighting techniques within the surroundings it deals insights into the functioning of the atmosphere as a complete. it really is of curiosity to ecologists, micrometeorologists and surroundings modelers.

Show description

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Energy and Matter Fluxes of a Spruce Forest Ecosystem

This ebook makes a speciality of fluxes of power, carbon dioxide and topic in and above a important eu spruce woodland. The transition from a wooded area stricken by acid rain right into a heterogeneous woodland happened due to wind throw, bark beetles and weather switch. clinical effects got during the last two decades on the FLUXNET web site DE-Bay (Waldstein-Weidenbrunnen) are proven including tools constructed on the web site, together with the applying of footprint versions for data-quality research, the coupling among the trunk house and the ambience, the significance of the Damköhler quantity for hint fuel stories, and the turbulent stipulations at a wooded area part.

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Tenhunen applied on eddy covariance measurements at complex forest sites using footprint modelling. Theor Appl Climatol 80:121–141 Schlather M, Huwe B (2005) A stochastic model for 3-dimensional flow patterns in infiltration experiments. J Hydrol 310:17–27 Schulze ED (ed) (1994) Flux control in biological systems. Academic Press, San Diego, NY, 494 pp Schulze ED, Lange OL, Oren R (eds) (1989) Forest decline and air pollution, vol XVIII. Springer, Berlin, 475 pp Steinbrecher R, Rappenglück B, Hansel A, Graus M, Klemm O, Held A, Wiedensohler A, Nowak A (2004) Vegetation-atmospheric interactions: the emissions of biogenic volatile organic compounds (BVOC) and their relevance to atmospheric particle dynamics.

3. For the spatial distribution of the plant parameters and its use in 24 T. Foken et al. Fig. 3 Vertical profile of the (left) cumulative and (right) absolute overstory plant area index (PAI) of the Waldstein-Weidenbrunnen site for 2003 (above Thomas and Foken 2007a) and 2008 (below Foken et al. 2012). 2. 0 Licence. 2012, All rights reserved 2 Description of the Waldstein Measuring Site 25 modeling approaches, see Chap. 16. The distribution of the understory in 2008 is shown in Fig. 4 (Behrendt 2010), with more understory in the northeastern part and a higher tree density in the southwestern part.

Foken et al. Fig. 6 Soil profile up to 2 m depth near the Main Tower in 2007 (Photograph: J. Lüers) (EUROFLUX), later DE-Wei, and now DE-Bay. The main land cover was classified as Evergreen Needleleaf Forest (ENF). Nineteen percent of all measurements had more than 95 % of the target area in the footprint of the measurements, while 65 % of all measurements had more than 80 % (Göckede et al. 2008). The remaining flux contribution originated from the Pflanzgarten clearing and other small clearings nearby.

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