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futureheatwaves (version 1.0.0)

Find, Characterize, and Explore Heat Waves in Climate Projections

Description

Inputs a directory of climate projection files and, for each, identifies and characterizes heat waves for specified study locations. The definition used to identify heat waves can be customized. Heat wave characterizations include several metrics of heat wave length, intensity, and timing in the year. The heat waves that are identified can be explored using a function to apply user-created functions across all generated heat wave files.This work was supported in part by grants from the National Institute of Environmental Health Sciences (R00ES022631), the National Science Foundation (1331399), and the Colorado State University Vice President for Research.

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Version

Install

install.packages('futureheatwaves')

Monthly Downloads

31

Version

1.0.0

License

GPL-2

Maintainer

Brooke Anderson

Last Published

March 24th, 2016

Functions in futureheatwaves (1.0.0)

Calculate average length of heat waves

apply_all_models

Apply a function across heat waves from all projections

Identify heat waves in a time series

Create and write heat wave projections

Process valid models

buildStructureEnsembles

List files for a single ensemble member

Create date vector for requested time period

IDHeatwavesAlternative

Identify heat waves in a time series

Calculate total heat wave days

processEnsemble

Extract projections from ensemble member

Identify all heat waves in a time series

createCityProcessor

Create closure to identify and aggregate heat waves

Acquire boundaries of time series data

number_of_heatwaves

Calculate number of heat waves

Create heat wave dataframe for an ensemble

Consolidate heat wave dataframes

processReference

Get projection data for reference period

createEnsembleWriter

Ensemble writer factory function

Find closest grid point to a city location

apply_hw_projections

Apply a function to projected heat waves

Check for input parameter errors

Example of heat wave characteristics dataset

IDHeatwavesCPPwrapper

Identify heat waves in a time series

acquireDirectoryStructure

Acquire structure of input directory

Read climate projection data

Example data to input to heat wave identifier functions

buildStructureExperiments

Generate file structure for an experiment

Identify heat waves that are a certain number of days long

Read latitude and longitude data

average_mean_temp

Calculate average temperature of heat waves

Create a map of model grid

processProjections

Create heat wave dataframe for climate projection

createAccumulators

Create accumulator closure

futureheatwaves

Find, Characterize, and Explore Heat Waves in Climate Projections

checkCustomBounds

Check year boundaries for errors

buildStructureModels

Generate list of file structure

process_cities_file

Process city file

processThresholds

Calculate threshold temperatures

writeAccumulators

Write model information to file

createHwDataframe

Characterize heat waves

storeHeatwaveEntry

Helper function that adds entries

Read projection dates data

Helper function that adds zeroes