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| author | Johannes Ranke <jranke@uni-bremen.de> | 2015-12-22 19:32:54 +0100 |
|---|---|---|
| committer | Johannes Ranke <jranke@uni-bremen.de> | 2015-12-22 19:32:54 +0100 |
| commit | 3a579d87820ccbec514f1be5eb090e874fd87eec (patch) | |
| tree | fdc726d4938dc98fc741a38435372da22dc9e956 /pkg/R/GUS.R | |
| parent | 9851a97ec915ddbfc8357f1a7e2cabae56c89f7d (diff) | |
EFSA 2015 tier 1 PEC soil, clean up, add static docs
Diffstat (limited to 'pkg/R/GUS.R')
| -rw-r--r-- | pkg/R/GUS.R | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/pkg/R/GUS.R b/pkg/R/GUS.R index 8a20561..4a6532d 100644 --- a/pkg/R/GUS.R +++ b/pkg/R/GUS.R @@ -1,8 +1,25 @@ +# Copyright (C) 2015 Johannes Ranke +# Contact: jranke@uni-bremen.de +# This file is part of the R package pfm + +# This program is free software: you can redistribute it and/or modify it under +# the terms of the GNU General Public License as published by the Free Software +# Foundation, either version 3 of the License, or (at your option) any later +# version. + +# This program is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more +# details. + +# You should have received a copy of the GNU General Public License along with +# this program. If not, see <http://www.gnu.org/licenses/> + #' Groundwater ubiquity score based on Gustafson (1989) #' #' The groundwater ubiquity score GUS is calculated according to #' the following equation -#' \deqn{GUS = \log_10 DT50_{soil} (4 - \log_10 K_{oc}}{GUS = log10 DT50soil * (4 - log10 Koc)} +#' \deqn{GUS = \log_{10} DT50_{soil} (4 - \log_{10} K_{oc})}{GUS = log10 DT50soil * (4 - log10 Koc)} #' #' @references Gustafson, David I. (1989) Groundwater ubiquity score: a simple #' method for assessing pesticide leachability. \emph{Environmental |