nhw: Function to compute the number of heatwaves (as defined by...

In SantanderMetGroup/climate4R.indices: Climate Index calculation for climate4R data

Function to compute the number of heatwaves (as defined by threshold and duration)

Description

Function to compute the number of heatwaves (as defined by threshold and duration)

Usage

nhw(
  tx,
  dates,
  threshold,
  duration,
  year = NULL,
  year.start = NULL,
  year.end = NULL,
  pnan = 25,
  lat = NULL
)

Arguments

tx	Vector with daily maximum temperature
dates	Matrix containing the full range of dates corresponding to "tx" (ndates x 3 size); e.g. rbind(c(1995, 3, 1), c(1995, 3, 2), ...)
threshold	Threshold considered. Must be in the same units of "tx"
duration	Duration (in days) considered to define the heatwave
year	Vector with years of interest (e.g. 1990:1995)
year.start	Vector of dates [in "YYYY-MM-DD" format] defining the beginning of a portion of interest within each year (e.g., the agronomic season)
year.end	Vector of dates [in "YYYY-MM-DD" format] defining the end of a portion of interest within each year (e.g., the agronomic season)
pnan	Any year with a percentage of NA data above "pnan" will be ignored
lat	Latitude (NULL) to indicate that latitude information is not used.

Value

Number of heatwaves (per year)

Author(s)

R. Manzanas

SantanderMetGroup/climate4R.indices documentation built on July 3, 2023, 11:02 p.m.