Download and plot essential climate data

Retrieves global wildfire greenhouse gas emissions data from the Global Wildfire Information System (GWIS), operated by the Copernicus Emergency Management Service. https://gwis.jrc.ec.europa.eu/apps/gwis.statistics/seasonaltrend

Usage

get_fires_emissions(
  place = "WORLD",
  year = as.numeric(format(Sys.Date(), "%Y")),
  use_cache = TRUE,
  write_cache = getOption("hs_write_cache")
)

Arguments

place

(string) Region or country for which to retrieve data. May be one of the following regional aggregates: "WORLD" (default), "UN_EUR" (Europe), "UN_AFR" (Africa), "UN_ASI" (Asia), "UN_AME" (Americas), or "UN_OCE" (Oceania). Alternatively, supply an ISO 3166-1 alpha-3 country code such as "USA", "CAN", or "BRA".

year

(numeric) Four-digit year for which to retrieve data. Must be 2012 or later. Defaults to the current year.

use_cache

(boolean) Return cached data if available, defaults to TRUE. Use FALSE to fetch updated data.

write_cache

(boolean) Write data to cache, defaults to FALSE. Use TRUE to write data to cache for later use. Can also be set using options(hs_write_cache=TRUE)

Value

Invisibly returns a tibble with weekly and cumulative wildfire emissions data for the requested place and year. The plt column identifies the pollutant (e.g. "CO2", "CO", "PM2.5"). Weekly value columns include curv (current), minv, maxv, and avgv. Cumulative columns are prefixed with cum_.

Details

get_fires_emissions invisibly returns a tibble with weekly and year-to-date cumulative wildfire emissions by pollutant, sourced from the GWIS emissions API. Historical minimum, maximum, and average baselines are included for comparison. Data coverage begins in 2012. Filter on the plt column to select a specific pollutant (e.g. filter(plt == "CO2")). Cache filenames include the place and year so that multiple queries can be cached independently.

References

Global Wildfire Information System (GWIS), Copernicus Emergency Management Service / European Commission Joint Research Centre. https://gwis.jrc.ec.europa.eu/apps/gwis.statistics/seasonaltrend

Author

Hernando Cortina, hch@alum.mit.edu

Examples

# \donttest{
# Fetch global emissions data for the current year from cache if available:
emissions <- get_fires_emissions()
#
# Fetch CO2 emissions for the USA in 2023:
emissions_usa <- get_fires_emissions(place = 'USA', year = 2023)
#
# Force cache refresh:
emissions <- get_fires_emissions(use_cache = FALSE)
#
# Review cache contents and last update dates:
hockeystick_cache_details() # }
#> <hockeystick cached files>
#>   directory: /home/runner/.cache/R/hockeystick
#>