write.help: Write climate data in the format used by the HELP model

Description

Write climate data in the format used by the Hydrological Evaluation of Landfill Performance (HELP) model. This exports the data using two slightly different variants of HELP: the DOS versions (3.07 to 3.80D) and for Visual HELP.

Usage

write.help(file = "", dat, var, name, region, lat,
           visual.help=FALSE, metric=TRUE)

Arguments

file

name of output file (prints to console if file=""); [DOS] HELP uses extensions *.D4, *.D7, and *.D13 for daily precipitation, temperature and solar radiation, respectively; VisualHELP uses th

dat

data.frame of climate data

var

variable to be exported; must be one of "precip", "t_mean" or "solar"

name

character; location name

region

character; region

lat

numeric; location latitude in decimal degrees

visual.help

logical formats output for Visual HELP; else formated for the normal DOS HELP (default)

metric

logical if using metric units (this only sets a flag, please ensure the data are in either �{degrees }C, mm/day and $\mbox{MJ}/(\mbox{m}^2 \cdot \mbox{day})$ or �{degrees }F, in./day and

encoding

latin1

synopsis

write.help(file = "", dat, var, name, region, lat, visual.help=FALSE, metric=TRUE)

Details

This utility function is experimental, but allows export of climate data to the HELP model.

References

HELP 3.07 - Original version for the US EPA; free download http://el.erdc.usace.army.mil/products.cfm?Topic=model&Type=landfill HELP 3.80D - Developed by Dr. Klaus Berger, University of Hamburg http://www.geowiss.uni-hamburg.de/i-boden/fsimhelp_e.htm Visual HELP - Uses a similar underlying code as HELP 3.07, but features a Windows GUI http://www.waterloohydrogeologic.com/software/visual_help/visual_help_ov.htm