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  • Models of gross primary production (GPP) are currently parameterized with vegetation-specific parameter sets and therefore require accurate information on the distribution of vegetation to drive them. Can this parameterization scheme be replaced with a vegetation-invariant set of parameter that can maintain or increase model applicability by reducing errors introduced from the uncertainty of land cover classification? Based on the measurements of ecosystem carbon fluxes from 150 globally distributed sites in a range of vegetation types, we examined the predictive capacity of seven light use efficiency (LUE) models. Two model experiments were conducted: (i) a constant set of parameters for various vegetation types and (ii) vegetation-specific parameters. The results showed no significant differences in model performances to simulate GPP while using both sets of parameters. These results indicate that a universal set of parameters, which is independent of vegetation cover type and characteristics can be adopted in prevalent LUE models. Availability of this well tested and universal set of parameters would help to improve the accuracy and applicability of LUE models in various biomes and geographic regions.
  • Models of gross primary production (GPP) are currently parameterized with vegetation-specific parameter sets and therefore require accurate information on the distribution of vegetation to drive them. Can this parameterization scheme be replaced with a vegetation-invariant set of parameter that can maintain or increase model applicability by reducing errors introduced from the uncertainty of land cover classification? Based on the measurements of ecosystem carbon fluxes from 150 globally distributed sites in a range of vegetation types, we examined the predictive capacity of seven light use efficiency (LUE) models. Two model experiments were conducted: (i) a constant set of parameters for various vegetation types and (ii) vegetation-specific parameters. The results showed no significant differences in model performances to simulate GPP while using both sets of parameters. These results indicate that a universal set of parameters, which is independent of vegetation cover type and characteristics can be adopted in prevalent LUE models. Availability of this well tested and universal set of parameters would help to improve the accuracy and applicability of LUE models in various biomes and geographic regions. (en)
Title
  • Are vegetation-specific model parameters required for estimating gross primary production?
  • Are vegetation-specific model parameters required for estimating gross primary production? (en)
skos:prefLabel
  • Are vegetation-specific model parameters required for estimating gross primary production?
  • Are vegetation-specific model parameters required for estimating gross primary production? (en)
skos:notation
  • RIV/62156489:43410/13:00209753!RIV15-MSM-43410___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • S
http://linked.open...iv/cisloPeriodika
  • 6
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
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  • 62052
http://linked.open...ai/riv/idVysledku
  • RIV/62156489:43410/13:00209753
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • carbon flux; light use efficiency (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV
  • [081E7A3CEA3A]
http://linked.open...i/riv/nazevZdroje
  • Geoscientific Model Development Discussion
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Marek, Michal Vladimír
  • Liu, D.
  • Chen, J.
  • Rambal, S.
  • Montagnani, L.
  • Arain, A.
  • Gianelle, D.
  • Varlagin, A.
  • Wohlfahrt, G.
  • Liu, S.
  • Blanken, P. D.
  • Cai, W.
  • Cescatti, A.
  • Dong, W.
  • Genesio, L.
  • Georgiadis, T.
  • Grelle, A.
  • Kiely, G.
  • Knohl, A.
  • Merbold, L.
  • Panferov, O.
  • Peltoniemi, M.
  • Raschi, A.
  • Xia, A.
  • Yuan, W.
issn
  • 1991-9611
number of pages
http://bibframe.org/vocab/doi
  • 10.5194/gmdd-6-5475-2013
http://localhost/t...ganizacniJednotka
  • 43410
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