Package: bigleaf 0.8.3

bigleaf: Physical and Physiological Ecosystem Properties from Eddy Covariance Data

Calculation of physical (e.g. aerodynamic conductance, surface temperature), and physiological (e.g. canopy conductance, water-use efficiency) ecosystem properties from eddy covariance data and accompanying meteorological measurements. Calculations assume the land surface to behave like a 'big-leaf' and return bulk ecosystem/canopy variables.

Authors:Juergen Knauer [aut, cre], Thomas Wutzler [aut], Alison Bennett [aut], Soenke Zaehle [ctb], Tarek El-Madany [ctb], Mirco Migliavacca [ctb]

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bigleaf.pdf |bigleaf.html✨
bigleaf/json (API)
NEWS

# Install 'bigleaf' in R:
install.packages('bigleaf', repos = c('https://juergenknauer.r-universe.dev', 'https://cloud.r-project.org'))

Peer review:

Bug tracker:https://bitbucket.org/juergenknauer/bigleaf

Datasets:

On CRAN:

65 exports 3.29 score 7 dependencies 18 dependents 1 mentions 104 scripts 1.3k downloads

Last updated 2 months agofrom:8a5d8ae0ca. Checks:OK: 7. Indexed: yes.

TargetResultDate
Doc / VignettesOKAug 30 2024
R-4.5-winOKAug 30 2024
R-4.5-linuxOKAug 30 2024
R-4.4-winOKAug 30 2024
R-4.4-macOKAug 30 2024
R-4.3-winOKAug 30 2024
R-4.3-macOKAug 30 2024

Exports:aerodynamic.conductanceair.densityArrhenius.temp.responsebigleaf.constantsbiochemical.energydecouplingdew.pointe.to.qe.to.rHe.to.VPDenergy.closureenergy.use.efficiencyequilibrium.imposed.ETEsat.slopeET.to.LEextraterrestrial.radiationfilter.datafilter.growing.seasonGb.ChoudhuryGb.SuGb.ThomgC.to.umolCO2intercellular.CO2isothermal.Rnkg.to.molkinematic.viscositylatent.heat.vaporizationLE.to.ETlight.responselight.use.efficiencylongwave.conductancemol.to.msMonin.Obukhov.lengthms.to.moloptimum.temperaturephotosynthetic.capacitypotential.ETpotential.radiationPPFD.to.Rgpressure.from.elevationpsychrometric.constantq.to.eq.to.VPDradiometric.surface.tempreference.ETReynolds.NumberRg.to.PPFDrH.to.VPDroughness.length.heatroughness.parametersstability.correctionstability.parameterstomatal.sensitivitystomatal.slopesurface.CO2surface.conditionssurface.conductanceumolCO2.to.gCvirtual.tempVPD.to.eVPD.to.qVPD.to.rHwetbulb.tempwind.profileWUE.metrics

Dependencies:cpp11DEoptimRgenericslubridaterobustbasesolartimetimechange

Tutorial on bigleaf

Juergen Knauer

Rendered frombigleaf_tutorial.Rmdusingknitr::rmarkdownon Aug 30 2024.

Last update: 2022-04-28
Started: 2018-06-17

Readme and manuals

Help Manual

Help pageTopics
Aerodynamic Conductanceaerodynamic.conductance
Air Densityair.density
(Modified) Arrhenius Temperature Response FunctionArrhenius.temp.response
Eddy Covariance Data of AT-Neu (Neustift)AT_Neu_Jul_2010
Constants Used in the bigleaf Packagebigleaf.constants
Biochemical Energybiochemical.energy
Eddy Covariance Data of DE-Tha (Tharandt)DE_Tha_Jun_2014
Canopy-Atmosphere Decoupling Coefficientdecoupling
Dew Pointdew.point
Energy Balance Closureenergy.closure
Energy-Use Efficiency (EUE)energy.use.efficiency
Equilibrium and Imposed Evapotranspirationequilibrium.imposed.ET
Saturation Vapor Pressure (Esat) and Slope of the Esat CurveEsat.slope
Extraterrestrial solar radiationextraterrestrial.radiation
Basic Eddy Covariance Data Filteringfilter.data
GPP-based Growing Season Filterfilter.growing.season
Eddy Covariance Data of FR-Pue (Puechabon)FR_Pue_May_2012
Boundary Layer Conductance according to Choudhury & Monteith 1988Gb.Choudhury
Boundary Layer Conductance according to Su et al. 2001Gb.Su
Boundary Layer Conductance according to Thom 1972Gb.Thom
Bulk Intercellular CO_{2} Concentrationintercellular.CO2
Isothermal Net Radiationisothermal.Rn
Conversion between Mass and Molar Unitskg.to.mol
Kinematic Viscosity of Airkinematic.viscosity
Latent Heat of Vaporizationlatent.heat.vaporization
Conversion between Latent Heat Flux and EvapotranspirationET.to.LE LE.to.ET
Ecosystem Light Responselight.response
Light-Use Efficiency (LUE)light.use.efficiency
Longwave Radiative Transfer Conductance of the Canopylongwave.conductance
Monin-Obukhov LengthMonin.Obukhov.length
Conversion between Conductance Unitsmol.to.ms ms.to.mol
Optimum temperature of Gross Primary Productivityoptimum.temperature
Bulk Canopy Photosynthetic Capacity (Vcmax and Jmax)photosynthetic.capacity
Potential Evapotranspirationpotential.ET
Potential radiationpotential.radiation
Atmospheric Pressure from Hypsometric Equationpressure.from.elevation
Psychrometric Constantpsychrometric.constant
Radiometric Surface Temperatureradiometric.surface.temp
Reference Evapotranspirationreference.ET
Roughness Reynolds NumberReynolds.Number
Conversions between Global Radiation and Photosynthetic Photon Flux DensityPPFD.to.Rg Rg.to.PPFD
Roughness length for heatroughness.length.heat
Roughness Parametersroughness.parameters
Integrated Stability Correction Functions for Heat and Momentumstability.correction
Stability Parameter "zeta"stability.parameter
Stomatal Sensitivity to VPDstomatal.sensitivity
Stomatal Slope Parameter "g1"stomatal.slope
CO_2 Concentration at the Canopy Surfacesurface.CO2
Big-Leaf Surface Conditionssurface.conditions
Surface Conductance to Water Vaporsurface.conductance
Conversion between Mass and Molar Units of Carbon and CO_{2}gC.to.umolCO2 umolCO2.to.gC
Virtual Temperaturevirtual.temp
Conversions between Humidity Measurese.to.q e.to.rH e.to.VPD q.to.e q.to.VPD rH.to.VPD VPD.to.e VPD.to.q VPD.to.rH
Wet-Bulb Temperaturewetbulb.temp
Wind Speed at a Given Height in the Surface Layerwind.profile
Water-Use Efficiency MetricsWUE.metrics