A character string contains the name of a group of parameter
codes, or a vector of parameter codes. See Details.
begin.date
the earliest date for data, must be a character with the
format "YYYY-mm-dd."
end.date
the latest date for data, must be a character with the format
"YYYY-mm-dd."
keep
a character vector for any additional columns to retain from the
retrieved data.
use.pnames
create colummn names based on pcode (like P00000)? Default
is to generate more English-like names.
Value
A data frame of the water-quality data of class "qw" organized by
sample. Column names for the water-quality constituents are generated
automatically, but can be set by the user,
see makeColNames.
Details
Valid parameter code groups are "All," or group codes:
# NOT RUN {# }# NOT RUN {importNWISqw("05330000", "00608") # Ammonia samples from the Minnesota River at Jordan.Empty <- importNWISqw('05330000',c('00400','00403'),begin.date='2008-01-01')
# }