A5040738614- Atmospheric aerosols and clouds
- Atmospheric and Environmental Gas Dynamics
- Atmospheric chemistry and aerosols
- Meteorological Phenomena and Simulations
- Atmospheric Ozone and Climate
- Calibration and Measurement Techniques
- Remote Sensing in Agriculture
- Spectroscopy and Laser Applications
- Aeolian processes and effects
- Fire effects on ecosystems
- Air Quality Monitoring and Forecasting
- Geophysics and Gravity Measurements
- Remote Sensing and LiDAR Applications
- Precipitation Measurement and Analysis
- Laser Design and Applications
- Advanced Optical Sensing Technologies
- Remote-Sensing Image Classification
- Ionosphere and magnetosphere dynamics
- Cryospheric studies and observations
- Spacecraft Design and Technology
- Quantum, superfluid, helium dynamics
- Laser-induced spectroscopy and plasma
- Seismic Waves and Analysis
- Earthquake Detection and Analysis
- Ion-surface interactions and analysis
National Research Council - Institute of Methodologies for Environmental Analysis
2015-2025
National Research Council
2007-2018
IMA (Italy)
2000-2005
Istituto Nazionale per la Fisica della Materia
1996-2004
Aristotle University of Thessaloniki
2004
Istituto di Metodologie Chimiche
1998
University of Basilicata
1996
Abstract. The European Aerosol Research Lidar Network, EARLINET, was founded in 2000 as a research project for establishing quantitative, comprehensive, and statistically significant database the horizontal, vertical, temporal distribution of aerosols on continental scale. Since then EARLINET has continued to provide most extensive collection ground-based data aerosol vertical over Europe. This paper gives an overview network's main developments since introduces dedicated special issue,...
A strategy for European Aerosol Research Lidar Network (EARLINET) correlative measurements Cloud‐Aerosol and Infrared Pathfinder Satellite Observation (CALIPSO) has been developed. These EARLINET started in June 2006 are still progress. Up to now, more than 4500 files available the database. Independent extinction backscatter carried out at high‐performance stations have used a quantitative comparison with CALIPSO level 1 data. Results demonstrate good performance of absence evident biases...
A multiyear climatological study of Saharan dust intrusions in the central Mediterranean terms aerosol optical parameters vertical profiles is carried out for first time. Observations are performed at Istituto di Metodologie per l'Analisi Ambientale (IMAA) Raman/elastic lidar station located Tito Scalo, Potenza (40°36′N, 15°44′E), from May 2000 to April 2003, framework European Aerosol Research Lidar Network (EARLINET). Desert aerosols observed between 1.8 and 9 km 112 days. Mean values...
An intercomparison of the algorithms used to retrieve aerosol extinction and backscatter starting from Raman lidar signals has been performed by 11 groups scientists involved in European Aerosol Research Lidar Network (EARLINET). This is part an extended quality assurance program on lidars EARLINET. instruments were tested separately. The use synthetic data, simulated at 355, 532, 386, 607 nm, with realistic experimental atmospheric conditions taken into account. demonstrates that...
In the framework of European Aerosol Research Lidar Network to Establish an Climatology (EARLINET), 19 aerosol lidar systems from 11 countries were compared. extinction or backscatter coefficient profiles measured by at least two for each comparison. coefficients derived Raman measurements in UV (351 355 nm), and calculated pure elastic 351 355, 532, 1064 nm. The results compared height ranges with high low content. Some additionally sunphotometers starphotometers. Predefined maximum...
Abstract. In this paper we describe the EARLINET Single Calculus Chain (SCC), a tool for automatic analysis of lidar measurements. The development started in framework EARLINET-ASOS (European Aerosol Research Lidar Network – Advanced Sustainable Observation System); it was extended within ACTRIS (Aerosol, Clouds and Trace gases InfraStructure Network), is continuing ACTRIS-2. main idea to develop data processing chain that allows all stations retrieve, fully way, aerosol backscatter...
Abstract. The eruption of the Icelandic volcano Eyjafjallajökull in April–May 2010 represents a "natural experiment" to study impact volcanic emissions on continental scale. For first time, quantitative data about presence, altitude, and layering cloud, conjunction with optical information, are available for most parts Europe derived from observations by European Aerosol Research Lidar NETwork (EARLINET). Based multi-wavelength Raman lidar systems, EARLINET is only instrument worldwide that...
Abstract. In this paper we present the automated software tool ELDA (EARLINET Lidar Data Analyzer) for retrieval of profiles optical particle properties from lidar signals. This is one calculus modules EARLINET Single Calculus Chain (SCC) which allows analysis data many different systems in an automated, unsupervised way. delivers extinction coefficients Raman signals as well backscatter combinations and elastic or only. Those analyses start pre-processed have already been corrected...
Abstract. In this paper we describe an automatic tool for the pre-processing of aerosol lidar data called ELPP (EARLINET Lidar Pre-Processor). It is one two calculus modules EARLINET Single Calculus Chain (SCC), analysis data. open source module that executes instrumental corrections and handling raw signals, making ready to be processed by optical retrieval algorithms. According specific configuration, automatically performs dead-time correction, atmospheric electronic background...
Abstract. During the eruption of Eyjafjallajökull in April–May 2010 multi-wavelength Raman lidar measurements were performed at CNR-IMAA Atmospheric Observatory (CIAO), whenever weather conditions permitted observations. A methodology both for volcanic layer identification and accurate aerosol typing has been developed. This relies on support long-term CIAO since 2000. The mask during obtained. Volcanic layers observed different periods: 19–22 April, 27–29 8–9 May, 13–14 May 18–19 May....
Abstract. Long-term observations of aerosol and clouds are crucial importance to understand the weather climate system. At Istituto di Metodologie per l'Analisi Ambientale Italian National Research Council (CNR-IMAA) an advanced atmospheric observatory, named CIAO, is operative. CIAO (CNR-IMAA Atmospheric Observatory) main scientific objective long term measurement for climatology cloud properties. Its equipment addresses state-of-the-art ground-based remote sensing aerosol, water vapour...
Abstract. This paper introduces the recent European Aerosol Research Lidar Network (EARLINET) quality-assurance efforts at instrument level. Within two dedicated campaigns and five single-site intercomparison activities, 21 EARLINET systems from 18 stations were intercompared between 2009 2013. A comprehensive strategy for campaign setup data evaluation has been established. Eleven nine participated in Intercomparison (EARLI09). In this campaign, three reference qualified which served as...
Abstract. We present an automatic aerosol classification method based solely on the European Aerosol Research Lidar Network (EARLINET) intensive optical parameters with aim of building a network-wide tool that could provide near-real-time typing information. The presented depends supervised learning technique and makes use Mahalanobis distance function relates each unclassified measurement to predefined type. As first step (training phase), reference dataset is set up consisting already...
Abstract. The atmospheric boundary layer (ABL) represents the lowermost part of atmosphere directly in contact with Earth's surface. estimation its depth is crucial importance meteorology and for anthropogenic pollution studies. ABL height (ABLH) measurements are usually far from being adequate, both spatially temporally. Thus, different remote sensing sources can be great help growing spatial temporal ABLH measurement capabilities. To this aim, aerosol backscatter profiles widely used as a...
Results of a lidar measurement campaign performed at IMAA‐CNR (Potenza, Italy) during the 2002 Etna volcano eruption, are reported. With combined Raman elastic‐backscatter lidar, independent measurements aerosol extinction and backscatter coefficients 355 nm retrieved, whereas coefficient 532 is retrieved from elastic signal. A volcanic layer has been observed in free troposphere on 1–2 November. AVHRR images show direct plume transport to Potenza. Optical depth 0.1 ratio 55 sr have moment...
Abstract. At CNR-IMAA, an aerosol lidar system has operated since May 2000 in the framework of EARLINET (European Aerosol Research Lidar Network), first network for tropospheric study on a continental scale. High quality multi-wavelength measurements make this reference point validation data products provided by CALIPSO (Cloud-Aerosol and Infrared Pathfinder Satellite Observations), satellite-borne specifically designed cloud study. Since 14 June 2006, dedicated have been performed at...
Abstract. This paper presents a new application of assimilating lidar signals to aerosol forecasting. It aims at investigating the impact ground-based network on analysis and short-term forecasts aerosols through case study in Mediterranean basin. To do so, we employ data assimilation (DA) algorithm based optimal interpolation method developed Polair3D chemistry transport model (CTM) Polyphemus air quality modelling platform. We assimilate hourly averaged normalised range-corrected (PR2)...
Abstract. In the framework of ACTRIS (Aerosols, Clouds, and Trace Gases Research Infrastructure Network) summer 2012 measurement campaign (8 June–17 July 2012), EARLINET organized performed a controlled exercise feasibility to demonstrate its potential perform operational, coordinated measurements deliver products in near-real time. Eleven lidar stations participated which started on 9 at 06:00 UT ended 72 h later 12 UT. For first time, single calculus chain (SCC) – common developed within...
Abstract. Remote sensing measurements of aerosols using depolarization Raman lidar systems from four EARLINET (European Aerosol Research Lidar Network) stations are used for a comprehensive analysis Saharan dust events over the Mediterranean basin in period 2014–2017. In this period, 51 regarding geometrical, optical and microphysical properties were selected, classified assessed according to their radiative forcing effect on atmosphere. From west east, Granada, Potenza, Athens Limassol...
Abstract. A stand-alone lidar-based method for detecting airborne hazards aviation in near real time (NRT) is presented. polarization lidar allows the identification of irregular-shaped particles such as volcanic dust and desert dust. The Single Calculus Chain (SCC) European Aerosol Research Lidar Network (EARLINET) delivers high-resolution preprocessed data: calibrated total attenuated backscatter volume linear depolarization ratio series. From these signals, particle coefficient can be...
Abstract. We introduce an automated aerosol type classification method, called Source Classification Analysis (SCAN). SCAN is based on predefined and characterized source regions, the time that air parcel spends above each geographical region, a number of additional criteria. The output compared with two independent methods, which use intensive optical parameters from lidar data: (1) Mahalanobis distance automatic (MD) (2) neural network typing algorithm (NATALI). In this paper, data...
In this study, we present an innovative methodology for the identification of giant aerosols using cloud radar. The makes use several insects studies in order to separate radar-derived atmospheric plankton signatures into contributions and aerosols. is then applied a 6-year-long radar dataset Potenza, South Italy. Forty aerosol events per year were found, which good agreement with site’s climatological record. A sensitivity study on effects three variables under different stability...
We present a multi-year study of Saharan dust intrusions on mountainous site located in the central Mediterranean Basin regarding their aerosol optical and geometrical properties. The observations were carried out at Consiglio Nazionale delle Ricerche-Istituto di Metodologie per l’Analisi Ambientale (CNR-IMAA) Potenza (40,360N, 15,440E), Italy, from March 2010 to October 2022, using ACTRIS (Aerosol Clouds Trace Gases Research InfraStructure). A total 101 night-time lidar measurements...
The availability of new laser sources that are tunable in the IR spectral region opens perspectives for differential absorption lidar (DIAL) measurements. A particular interest is located near IR, where some atmospheric pollutants have lines permit monitoring emissions from industrial plants and urban areas. In DIAL measurements, species to be measured must carefully chosen prevent interference other molecules, minimize dependence cross section on temperature, optimize measurements with...