calc_tsum

The function is vectorized.
To use it with SpatRaster-Data see ?terra::lapp.

internal

Methods to calculate and present 'PHENTHAUproc', an early warning and decision support system for hazard assessment and control of oak processionary moth (OPM) using local and spatial temperature data. It was created by Halbig et al. 2024 (<doi:10.1016/j.foreco.2023.121525>) at FVA (<https://www.fva-bw.de/en/homepage/>) Forest Research Institute Baden-Wuerttemberg, Germany and at BOKU - University of Natural Ressources and Life Sciences, Vienna, Austria.

Lorenz Bachfischer

PHENTHAUproc

Phenology Modelling of Thaumetopoea Processionea

Department of Forest Protection, FVA 

calc_tsum function

<dl><dt>tmean</dt>
<dd>numeric - mean temperature</dd>
<dt>ldt</dt>
<dd>numeric - lower development threshold aka base temperature.</dd></dl>

Arguments

Calculate temperature sum — calc_tsum

<dl>

<dt>tmean</dt>
<dd>numeric - mean temperature</dd>


<dt>ldt</dt>
<dd>numeric - lower development threshold aka base temperature.</dd>

</dl>

calc_tsum: Calculate temperature sum

Description

Usage

Value

Arguments

See Also