http://www.cnr.it/ontology/cnr/individuo/prodotto/ID199227

A data-driven analysis of energy balance closure across FLUXNET research sites: The role of landscape scale heterogeneity (Articolo in rivista)

Type

Articolo in rivista (Classe)
Prodotto della ricerca (Classe)

Label

A data-driven analysis of energy balance closure across FLUXNET research sites: The role of landscape scale heterogeneity (Articolo in rivista) (literal)

Anno

2013-01-01T00:00:00+01:00 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi

10.1016/j.agrformet.2012.11.004 (literal)

Alternative label

Paul C. Stoy, Matthias Mauder, Thomas Foken, Barbara Marcolla, Eva Boegh, Andreas Ibrom, M. Altaf Arain, Almut Arneth, Mika Aurela, Christian Bernhofer, Alessandro Cescatti, Ebba Dellwik, Pierpaolo Duce, Damiano Gianelle, Eva van Gorsel, Gerard Kiely, Alexander Knohl, Hank Margolis, Harry McCaughey, Lutz Merbold, Leonardo Montagnani, Dario Papale, Markus Reichstein, Matthew Saunders, Penelope Serrano-Ortiz, Matteo Sottocornola, Donatella Spano, Francesco Vaccari, Andrej Varlagin (2013)
A data-driven analysis of energy balance closure across FLUXNET research sites: The role of landscape scale heterogeneity
in Agricultural and forest meteorology (Print); ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, AMSTERDAM (Paesi Bassi)
(literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

Paul C. Stoy, Matthias Mauder, Thomas Foken, Barbara Marcolla, Eva Boegh, Andreas Ibrom, M. Altaf Arain, Almut Arneth, Mika Aurela, Christian Bernhofer, Alessandro Cescatti, Ebba Dellwik, Pierpaolo Duce, Damiano Gianelle, Eva van Gorsel, Gerard Kiely, Alexander Knohl, Hank Margolis, Harry McCaughey, Lutz Merbold, Leonardo Montagnani, Dario Papale, Markus Reichstein, Matthew Saunders, Penelope Serrano-Ortiz, Matteo Sottocornola, Donatella Spano, Francesco Vaccari, Andrej Varlagin (literal)

Pagina inizio

137 (literal)

Pagina fine

152 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url

http://www.sciencedirect.com/science/article/pii/S0168192312003413# (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume

171-172 (literal)

Rivista

Agricultural and forest meteorology (Rivista)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali

16 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo

3 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni

Department of Land Resources and Environmental Science, Montana State University, Bozeman, MT, USA Karlsruhe Institute of Technology, Institute of Meteorology and Climate Research, Atmospheric Environmental Research, Kreuzeckbahnstraße 19, 82467 Garmisch-Partenkirchen, Germany University of Bayreuth, Department of Micrometeorology and member of Bayreuth Center of Ecology and Ecosystem Research (BayCEER), D-95440 Bayreuth, Germany Fondazione Edmund Mach, IASMA Research and Innovation Centre, Sustainable Agro-ecosystems and Bioresources Department, via E. Mach, 1, I-38010 S. Michele all'Adige (Trento), Italy Department of Environmental, Social and Spatial Change, Roskilde University, Universitetsvej 1, Postbox 260, 4000 Roskilde, Denmark Department of Chemical and Biochemical Engineering, Center of Ecosystems and Environmental Sustainability, Technical University of Denmark (DTU), Frederiksborgvej 399, DK-4000 Roskilde, Denmark School of Geography and Earth Sciences, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada Department of Physical Geography and Ecosystems Analysis, Lund University, Sölvegatan 12, 223 62 Lund, Sweden Finnish Meteorological Institute, Climate Change Research, P.O. Box 503, FIN-00101, Helsinki, Finland Technische Universität Dresden, Faculty of Environmental Sciences, Institute of Hydrology and Meteorology, 01062 Dresden, Germany European Commission - DG Joint Research Centre, Institute for Environment and Sustainability, Climate Change Unit, TP290, Via E. Fermi, 2749, I-21027 Ispra (VA), Italy DTU Wind Energy, Department of Wind Energy, Technical University of Denmark, Frederiksborgvej 399, 4000 Roskilde, Denmark IBIMET-CNR, Institute of Biometeorology, National Research Council, Via G. Caproni 8, 50144 Florence - Traversa La Crucca 3, 07100 Sassari, Italy CSIRO Marine and Atmospheric Research, Pye Laboratory, GPO Box 3023, Canberra ACT 2601, Australia Hydromet Group, Civil and Environmental Engineering Department, University College Cork, Ireland Georg-August University Göttingen, Büsgenweg 2, 37077 Göttingen, Germany Faculté de foresterie et de géomatique, Université Laval, Sainte-Foy, Quebec G1K 7P4, Canada Department of Geography, Queen's University, Kingston, Ontario, Canada K7L3N6 Department of Environmental Systems Science, Institute of Agricultural Sciences, ETH Zurich, Universitätsstr. 2, 8092 Zurich, Switzerland Forest Services of Autonomous Province of Bolzano, Bolzano, Italy Laboratory of Chemical Physics, Agency for the Environment of Autonomous Province of Bolzano, Bolzano, Italy Faculty of Science and Technology, Free University of Bolzano, Piazza Università 1, 39100, Bolzano, Italy Department for Innovation in Biological, Agro-food and Forest Systems (DIBAF), University of Tuscia, 01100 Viterbo, Italy Max Planck Institute for Biogeochemistry, P.O. Box 10 01 64, 07701 Jena, Germany School of Biology & Environmental Science, University College Dublin Science Centre, Belfield Dublin 4, Ireland Departamento de Desertificación y Geoecología, Estación Experimental de Zonas Áridas, CSIC, Ctra. De Sacramento s/n, Almería, Spain Department of Economics and Woody Plants (DESA), University of Sassari, Via de Nicola 9, 07100 Sassari, Italy A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Leninsky pr., 33, Moscow 119071, Russia (literal)

Titolo

A data-driven analysis of energy balance closure across FLUXNET research sites: The role of landscape scale heterogeneity (literal)

Abstract

The energy balance at most surface-atmosphere flux research sites remains unclosed. The mechanisms underlying the discrepancy between measured energy inputs and outputs across the global FLUXNET tower network are still under debate. Recent reviews have identified exchange processes and turbulent motions at large spatial and temporal scales in heterogeneous landscapes as the primary cause of the lack of energy balance closure at some intensively-researched sites, while unmeasured storage terms cannot be ruled out as a dominant contributor to the lack of energy balance closure at many other sites. We analyzed energy balance closure across 173 ecosystems in the FLUXNET database and explored the relationship between energy balance closure and landscape heterogeneity using MODIS products and GLOBEstat elevation data. Energy balance closure per research site (CEB,s) averaged 0.84 ± 0.20, with best average closures in evergreen broadleaf forests and savannas (0.91-0.94) and worst average closures in crops, deciduous broadleaf forests, mixed forests and wetlands (0.70-0.78). Half-hourly or hourly energy balance closure on a percent basis increased with friction velocity (u*) and was highest on average under near-neutral atmospheric conditions. CEB,s was significantly related to mean precipitation, gross primary productivity and landscape-level enhanced vegetation index (EVI) from MODIS, and the variability in elevation, MODIS plant functional type, and MODIS EVI. A linear model including landscape-level variability in both EVI and elevation, mean precipitation, and an interaction term between EVI variability and precipitation had the lowest Akaike's information criterion value. CEB,s in landscapes with uniform plant functional type approached 0.9 and CEB,s in landscapes with uniform EVI approached 1. These results suggest that landscape-level heterogeneity in vegetation and topography cannot be ignored as a contributor to incomplete energy balance closure at the flux network level, although net radiation measurements, biological energy assimilation, unmeasured storage terms, and the importance of good practice including site selection when making flux measurements should not be discounted. Our results suggest that future research should focus on the quantitative mechanistic relationships between energy balance closure and landscape-scale heterogeneity, and the consequences of mesoscale circulations for surface-atmosphere exchange measurements. (literal)

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