{
  "_id": "6a1f2889b401979e734235e1",
  "Package": "flux",
  "Type": "Package",
  "Title": "Flux Rate Calculation from Dynamic Closed Chamber Measurements",
  "Version": "0.3-0.1",
  "Date": "2014-04-23",
  "Author": "Gerald Jurasinski, Franziska Koebsch, Anke Guenther, Sascha\nBeetz",
  "Maintainer": "Gerald Jurasinski <gerald.jurasinski@uni-rostock.de>",
  "Description": "Functions for the calculation of greenhouse gas flux rates\nfrom closed chamber concentration measurements. The package\nfollows a modular concept: Fluxes can be calculated in just two\nsimple steps or in several steps if more control in details is\nwanted. Additionally plot and preparation functions as well as\nfunctions for modelling gpp and reco are provided.",
  "License": "GPL-2",
  "LazyLoad": "yes",
  "Encoding": "UTF-8",
  "Packaged": {
    "Date": "2026-05-16 05:18:06 UTC",
    "User": "root"
  },
  "NeedsCompilation": "no",
  "Repository": "https://cran.r-universe.dev",
  "Date/Publication": "2022-06-26 05:58:11 UTC",
  "RemoteUrl": "https://github.com/cran/flux",
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  "_type": "src",
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  "_published": "2026-06-02T19:01:29.472Z",
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    "author": "Gerald Jurasinski <gerald.jurasinski@uni-rostock.de>",
    "committer": "cran-robot <csardi.gabor+cran@gmail.com>",
    "message": "version 0.3-0.1\n",
    "time": 1656223091
  },
  "_maintainer": {
    "name": "Gerald Jurasinski",
    "email": "gerald.jurasinski@uni-rostock.de"
  },
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      "version": ">= 2.12.0",
      "role": "Depends"
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    {
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      "role": "Depends"
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  "_owner": "cran",
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  "_usedby": 3,
  "_updates": [],
  "_tags": [],
  "_stars": 2,
  "_userbio": {
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    "type": "organization",
    "name": "cran",
    "description": "Unofficial read-only mirror of all CRAN R packages"
  },
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    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/flux"
  },
  "_mentions": 9,
  "_searchresults": 101,
  "_rbuild": "4.6.0",
  "_assets": [
    "extra/citation.cff",
    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
    "extra/flux.html",
    "manual.pdf"
  ],
  "_realowner": "cran",
  "_cranurl": false,
  "_releases": [
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      "version": "0.1-2",
      "date": "2011-04-11"
    },
    {
      "version": "0.1-3",
      "date": "2011-07-04"
    },
    {
      "version": "0.1-4",
      "date": "2011-08-11"
    },
    {
      "version": "0.1-5",
      "date": "2011-09-24"
    },
    {
      "version": "0.1-6",
      "date": "2011-09-27"
    },
    {
      "version": "0.2-0",
      "date": "2012-03-24"
    },
    {
      "version": "0.2-1",
      "date": "2012-04-17"
    },
    {
      "version": "0.2-2",
      "date": "2013-10-02"
    },
    {
      "version": "0.3-0",
      "date": "2014-04-25"
    },
    {
      "version": "0.3-0.1",
      "date": "2022-06-26"
    }
  ],
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    "auc",
    "auc.mc",
    "budget.gpp",
    "budget.ie",
    "budget.reco",
    "checkm",
    "chop",
    "export",
    "flux",
    "flux.calib",
    "flux.conv",
    "flux.odae",
    "fluxx",
    "gflux",
    "gpp",
    "gpp.bulk",
    "gpp2",
    "inspect",
    "lips",
    "mf.flux",
    "modjust",
    "reco",
    "reco.bulk",
    "round.POSIXlt",
    "tbl8"
  ],
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      "title": "Climate station data from 2009 to 2011 in the Ahlenmoor peat bog, Northeast Germany",
      "object": "amc",
      "file": "amc.rda",
      "class": [
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      ],
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        "time",
        "t.air",
        "t.soil2",
        "t.soil5",
        "t.soil10",
        "PAR",
        "timestamp"
      ],
      "rows": 43197,
      "table": false,
      "tojson": true
    },
    {
      "name": "amd",
      "title": "Closed chamber fluxes from 2009 to 2011 in the Ahlenmoor peat bog, Northeast Germany",
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      "file": "amd.rda",
      "class": [
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        "t.soil2",
        "t.soil5",
        "t.soil10",
        "n.meas",
        "duration",
        "r.squared",
        "sigmif"
      ],
      "rows": 559,
      "table": false,
      "tojson": true
    },
    {
      "name": "tt.flux",
      "title": "Medium frequency concentration data and fluxes from non-steady state closed chamber measurements",
      "object": "tt.flux",
      "file": "tt.flux.rda",
      "class": [
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      ],
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        "date",
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        "all",
        "CO2.pv",
        "CO2.r2.f",
        "CO2.range.hf",
        "CO2.nrmse.f",
        "CO2.ghg",
        "CO2.unit",
        "CO2.flux",
        "CO2.r2",
        "CO2.nrmse",
        "CO2.nomba.f",
        "CO2.podpu",
        "time",
        "plot",
        "record",
        "PAR",
        "t.cham",
        "t.air",
        "t.soil2",
        "t.soil5",
        "t.soil10",
        "area",
        "height",
        "kind",
        "volume"
      ],
      "rows": 104,
      "table": true,
      "tojson": true
    },
    {
      "name": "tt.nee",
      "title": "Medium frequency concentration data and fluxes from non-steady state closed chamber measurements",
      "object": "tt.nee",
      "file": "tt.nee.rda",
      "class": [
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        "time",
        "session",
        "record",
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        "PAR",
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        "NEE",
        "t.air",
        "t.soil2",
        "t.soil5",
        "t.soil10",
        "area",
        "height",
        "kind",
        "volume",
        "datetime",
        "plot"
      ],
      "rows": 14388,
      "table": false,
      "tojson": true
    },
    {
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      "title": "One day data from closed chamber measurements in the Trebeltal",
      "object": "tt.pre",
      "file": "tt.pre.rda",
      "class": [
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      ],
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        "date",
        "time",
        "veg",
        "spot",
        "time_min",
        "sampletype_a",
        "temp_dC",
        "cham_vol",
        "cham_area",
        "date_gc",
        "CO2Code",
        "CO2ppm",
        "N2OCode",
        "N2Oppb",
        "CH4Code",
        "CH4ppb"
      ],
      "rows": 118,
      "table": true,
      "tojson": true
    }
  ],
  "_help": [
    {
      "page": "flux-package",
      "title": "Flux rate estimation with dynamic closed chamber data",
      "topics": [
        "flux-package"
      ]
    },
    {
      "page": "amc",
      "title": "Climate station data from 2009 to 2011 in the Ahlenmoor peat bog, Northeast Germany",
      "topics": [
        "amc"
      ]
    },
    {
      "page": "amd",
      "title": "Closed chamber fluxes from 2009 to 2011 in the Ahlenmoor peat bog, Northeast Germany",
      "topics": [
        "amd"
      ]
    },
    {
      "page": "append.df",
      "title": "Append a data.frame to another including consistency checks",
      "topics": [
        "append.df"
      ]
    },
    {
      "page": "auc",
      "title": "Calculate the area under a line(curve).",
      "topics": [
        "auc",
        "auc.mc"
      ]
    },
    {
      "page": "budget.ie",
      "title": "Estimate interpolation errors for GPP and Reco budgets",
      "topics": [
        "budget.ie"
      ]
    },
    {
      "page": "budget.reco",
      "title": "Predict fluxes from GPP and Reco models and prepare for summing them up to budgets.",
      "topics": [
        "budget.gpp",
        "budget.reco"
      ]
    },
    {
      "page": "checkm",
      "title": "Bring modelled and measured values together based on timestamp",
      "topics": [
        "checkm"
      ]
    },
    {
      "page": "chop",
      "title": "Prepare data for flux rate estimation with 'flux' or GPP/Reco modelling.",
      "topics": [
        "chop"
      ]
    },
    {
      "page": "export",
      "title": "simple export wrapper",
      "topics": [
        "export"
      ]
    },
    {
      "page": "flux",
      "title": "Estimate gas flux rates using non-steady-state closed chamber data",
      "topics": [
        "flux",
        "flux.conv",
        "flux.odae"
      ]
    },
    {
      "page": "flux.calib",
      "title": "Determine calibration measurement ranges according to the dates of real measurements",
      "topics": [
        "flux.calib"
      ]
    },
    {
      "page": "fluxx",
      "title": "Estimate (ghg) flux rates from online dynamic closed chamber measurements in through-flow mode.",
      "topics": [
        "fluxx",
        "mf.flux"
      ]
    },
    {
      "page": "gflux",
      "title": "Calculate gas flux rate from two concentrations",
      "topics": [
        "gflux"
      ]
    },
    {
      "page": "gpp",
      "title": "Model GPP from CO2 closed chamber flux data",
      "topics": [
        "gpp",
        "gpp2"
      ]
    },
    {
      "page": "inspect",
      "title": "Inspect and alter prepared ghg concentration data",
      "topics": [
        "inspect"
      ]
    },
    {
      "page": "lips",
      "title": "Linear interpolation between data points similar to approx.",
      "topics": [
        "lips"
      ]
    },
    {
      "page": "modjust",
      "title": "Adjust Reco models",
      "topics": [
        "modjust"
      ]
    },
    {
      "page": "plot.fluss",
      "title": "Functions for bulk plotting of concentration change with time as kind of diagnostic plots for flux rate calculations",
      "topics": [
        "plot.fluss",
        "plot.flux",
        "plot.fluxes",
        "plot.fluxx",
        "plot.fluxxes"
      ]
    },
    {
      "page": "plot.gpp",
      "title": "Plot diagnostic plots for GPP (NEE) models derived with reco and gpp.",
      "topics": [
        "plot.gpp"
      ]
    },
    {
      "page": "plot.reco",
      "title": "Plot diagnostic plots for Reco models.",
      "topics": [
        "plot.reco"
      ]
    },
    {
      "page": "reco",
      "title": "Model R_eco from CO2 exchange closed chamber data.",
      "topics": [
        "reco"
      ]
    },
    {
      "page": "reco.bulk",
      "title": "Bulk fitting of Reco and GPP models",
      "topics": [
        "gpp.bulk",
        "reco.bulk"
      ]
    },
    {
      "page": "round.POSIXlt",
      "title": "Round times.",
      "topics": [
        "round.POSIXct",
        "round.POSIXlt"
      ]
    },
    {
      "page": "tbl8",
      "title": "Extract the relevant data of a bulk model object to a data.frame",
      "topics": [
        "tbl8"
      ]
    },
    {
      "page": "tt.nee",
      "title": "Medium frequency concentration data and fluxes from non-steady state closed chamber measurements",
      "topics": [
        "tt.flux",
        "tt.nee"
      ]
    },
    {
      "page": "tt.pre",
      "title": "One day data from closed chamber measurements in the Trebeltal",
      "topics": [
        "tt.pre"
      ]
    }
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