Lidar Catalogue
(start here: "Lidar
Interface")
This interface aims at putting aside model results and LIDAR
aerosol observations from the EARLINET network and ARM/DOE
network for interested aerosol scientists. It shall allow
to look at data and model results from different angles to
improve aerosol models and make better use of LIDAR measurements.
To facilitate interpretation of the LIDAR measurements the
model results have been used to retrieve the (modelled) aerosol
composition at the time when a LIDAR profile was taken. All
year averages are compared to a filtered averages, depending
on the availablity of the measurements.
Results are preliminary
Contact AeroCom and participants
and data authors prior to use
ACKNOWLEDGMEN0T TO CONTRIBUTING AUTHORS
EARLINET - LIDAR data authors
please contact
Jens Boesenberg (boesenberg at dkrz.de)
J. Boesenberg, H. Linne, V. Matthias
Max-Planck Institut fuer Meteorologie / Hamburg / Germany
G. Pappalardo, A. Amodeo, L. Mona, M. Pandolfi
Istituto di Metodologie per l'Analisi Ambientale - C.N.R.
/Potenza /Italy
D. Balis, V. Amoiridis
Aristotele University of Thessaloniki / Thessaloniki / Greece
A. Ansmann, I. Mattis, U. Wandinger, D. Mueller
Institut fuer Troposphaerenforschung / Leipzig / Germany
N. Spinelli, X. Wang, A. Boselli
Istituto Nazionale per la Fisica della Materia / Napoli /
Italy
A. Papayannis
National Technical University of Athens / Zografou / Greece
A. Comeron, F. Rocadenbosch, C. Perez, J.M. Baldasano
Universitat Politecnica de Catalunya / Barcelona /Spain
R. M. Perrone
data Istituto Nazionale per la Fisica della Materia / Lecce
/ Italy
R. Eixmann
Leibniz-Institut fuer Atmosphaerenphysik / Kuehlungsborn /
Germany
V. Rizi, M. Iarlori
Universita Degli Studi - L'Aqulia / L'Aqulia / Italy
G. Vaughan, L. Komguem
Physics Department of the University of Wales / Ceredigion
/ U. K.
ARM/DOE data authors
please contact
Rich Ferrare (Richard.A.Ferrare at nasa.gov)
see also ARM website
EARLINET DATA
POLICY & DATA EXPLANATIONS
EARLINET encourages the use of lidar data by third parties
for a variety
of applications. To ensure fair treatment of data producers
and to avoid
violation of intellectual property rights EARLINET has adopted
a data
protocol agreement which states that "use of EARLINET data
by third
parties requires written consent of all partners who have
contributed to
the data set to be used." Jens Boesenberg, Max-Planck-Institut
fuer
Meteorologie, Hamburg, serves as a central point of contact:
[email protected].
EARLINET Raman lidars provide aerosol extinction and backscatter
profiles at typically one wavelength in the UV (351 nm or
355 nm) and/or
in the green (532 nm). All Raman lidar profiles are taken
around sunset on the given day. Typical temporal averaging
is 30 minutes, typical vertical averaging is
106 - 1060 m, increasing with height. Measurement errors are
in the
order of 5 - 20 \%, usually also increasing with height and
depending on
averaging in time and space. In case of low aerosol extinction,
errors
are better described in absolute values. They are typically
in the order
of 50 Mm^-1. Be aware of the fact that individual errors can
differ
significantly from the given typical errors, the error for
each data
point is given in the data file. Data files are presently
not public,
but access can be arranged through EARLINET. Please contact
[email protected]
EARLINET lidar profiles are cloud screened for low and mid
level clouds,
but may contain cirrus clouds. The information whether or
not cirrus is
included in the profile is available in special lists in the
EARLINET data base.
Therefore, great care must be taken when comparing lidar profiles
and
model results in upper altitudes.
A detailed description about the EARLINET project and its
first results
is available as MPI report 348 "EARLINET - A European Aerosol
Research
Lidar Network" by Jens Boesenberg, Volker Matthias et al.
. This report
and other information about EARLINET can be downloaded from
the EARLINET web page http://lidarb.dkrz.de/earlinet .
