vp
: a vertical profile of birdsClass vp
for a vertical profile of birds, and its associated R base
functions.
# S3 method for vp
summary(object, ...)is.vp(x)
# S3 method for vp
dim(x)
An object of class vp
.
Additional arguments affecting the summary produced.
An object of class vp
.
For is.vp
: TRUE
if its argument is of class vp
.
For dim.vp
: dimensions of the profile data.
An object of class vp
contains a vertical profile. A vertical profile
contains a collection of quantities, with each quantity having values at
different altitude layers above the earth's surface, typically equally
spaced altitudinal layers.
Data contained in this class object should be accessed with the
get_quantity function. Information stored under attributes
(see below) can be accessed directly.
A vp
object is a list containing
radar
the radar identifier
datetime
the nominal time of the profile
data
the profile data, a list containing:
HGHT
height above mean sea level [m]. Alt. bin from HGHT to HGHT+interval)
u
speed component west to east [m/s]
v
speed component north to south [m/s]
w
vertical speed (unreliable!) [m/s]
ff
horizontal speed [m/s]
dd
direction [degrees, clockwise from north]
sd_vvp
VVP radial velocity standard deviation [m/s]
gap
Angular data gap detected [T/F]
dbz
Bird reflectivity factor [dBZ]
eta
Bird reflectivity [cm^2/km^3]
dens
Bird density [birds/km^3]
DBZH
Total reflectivity factor (bio+meteo scattering) [dBZ]
n
number of points VVP bird velocity analysis (u,v,w,ff,dd)
n_all
number of points VVP st.dev. estimate (sd_vvp)
n_dbz
number of points bird density estimate (dbz,eta,dens)
n_dbz_all
number of points total reflectivity estimate (DBZH)
attributes
list with the profile's \what
,
\where
and \how
attributes