This function interfaces the Global Runoff Data Centre database which provides river discharge data for almost 1000 sites over 157 countries.
Value
This function returns a data frame made with the following columns:
grdc_no
: GRDC station numberwmo_reg
: WMO regionsub_reg
: WMO subregionriver
: river namestation
: station namecountry
: 2-letter country code (ISO 3166)lat
: latitude, decimal degreelong
: longitude, decimal degreearea
: catchment size, km2altitude
: height of gauge zero, m above sea leveld_start
: daily data available from yeard_end
: daily data available until yeard_yrs
: length of time series, daily datad_miss
: percentage of missing values (daily data)m_start
: monthly data available fromm_end
: monthly data available untilm_yrs
: length of time series, monthly datam_miss
: percentage of missing values (monthly data)t_start
: earliest data availablet_end
: latest data availablet_yrs
: maximum length of time series, daily and monthly datalta_discharge
: mean annual streamflow, m3/sr_volume_yr
: mean annual volume, km3r_height_yr
: mean annual runoff depth, mm