select.station | R Documentation |
Function that searches the meta data base for the requested station data Search priority: ID, name, coordinates, altitude, country,... Can return several matches
select.station(
x = NULL,
...,
loc = NULL,
param = NULL,
ele = NULL,
stid = NULL,
lon = NULL,
lat = NULL,
alt = NULL,
cntr = NULL,
src = NULL,
it = NULL,
nmin = NULL,
user = "external",
update.meta = FALSE,
verbose = FALSE
)
loc |
A string of characters as the name of the location (weather/climate station) or an object of class "stationmeta". |
param |
Parameter or element type or variable identifier. There are several core parameters or elements as well as a number of additional parameters. The parameters or elements are: precip = Precipitation (mm) tas, tavg = 2m-surface temperature (in degrees Celcius) tmax, tasmax = Maximum temperature (in degrees Celcius) tmin, tasmin = Minimum temperature (in degrees Celcius) |
stid |
A string of characters as an identifier of the weather/climate station. |
lon |
Numeric value of longitude (in decimal degrees East) for the reference point (e.g. weather station) as a single value or a vector containing the range of longitude values in the form of c(lon.min,lon.max) |
lat |
Numeric value of latitude for the reference point (in decimal degrees North) or a vector containing the range of latitude values in the form of c(lat.min,lat.max) |
alt |
Numeric value of altitude (in meters a.s.l.) used for selection. Positive value, select all stations above this altitude; for negative values, select all stations below this latitude. |
cntr |
A string or a vector of strings of the full name of the country: Select the stations from a specified country or a set of countries. |
src |
Source: limit the downscaling to a specific data set ("NARP", "NACD", "NORDKLIMA", "GHCNM", "METNOM", "ECAD", "GHCND" and "METNOD") |
it |
A single integer or a vector of integers or Dates. An integer in the range of [1:12] for months, an integer of 4 digits for years (e.g. 2014), or a vector of Dates in the form "2014-01-01"). |
nmin |
Select only stations with at least nmin number of years, months or days depending on the class of object x (e.g. 30 years). |
verbose |
Logical value defaulting to FALSE. If FALSE, do not display comments (silent mode). If TRUE, displays extra information on progress. |
A data.frame
holding meta data about available station data.
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