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  <channel rdf:about="http://hdl.handle.net/2122/93">
    <title>DSpace Collection:</title>
    <link>http://hdl.handle.net/2122/93</link>
    <description />
    <items>
      <rdf:Seq>
        <rdf:li resource="http://hdl.handle.net/2122/8642" />
        <rdf:li resource="http://hdl.handle.net/2122/8641" />
        <rdf:li resource="http://hdl.handle.net/2122/8556" />
        <rdf:li resource="http://hdl.handle.net/2122/8491" />
        <rdf:li resource="http://hdl.handle.net/2122/8490" />
        <rdf:li resource="http://hdl.handle.net/2122/8489" />
        <rdf:li resource="http://hdl.handle.net/2122/8439" />
        <rdf:li resource="http://hdl.handle.net/2122/8438" />
        <rdf:li resource="http://hdl.handle.net/2122/7904" />
        <rdf:li resource="http://hdl.handle.net/2122/7725" />
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    </items>
    <dc:date>2013-05-20T22:46:33Z</dc:date>
  </channel>
  <item rdf:about="http://hdl.handle.net/2122/8642">
    <title>Thermal gradiometer's array:mechanical and electrical design and first field test results</title>
    <link>http://hdl.handle.net/2122/8642</link>
    <description>Title: Thermal gradiometer's array:mechanical and electrical design and first field test results
Authors: Romeo, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia; Bello, S.; Benedetti, P.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia; Mari, M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia; Urbini, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia
Editors: Marzocchi, W.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia; Zollo, A.
Abstract: Conception, Verification and application of innovative techniques to study active volcanoes</description>
    <dc:date>2007-12-31T23:00:00Z</dc:date>
  </item>
  <item rdf:about="http://hdl.handle.net/2122/8641">
    <title>Thermal gradiometer's calibration system</title>
    <link>http://hdl.handle.net/2122/8641</link>
    <description>Title: Thermal gradiometer's calibration system
Authors: Romeo, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia; Urbini, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia; Benedetti, P.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia; Mari, M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia
Abstract: This document describes a calibrator prototype designed for thermal gradiometer's calibration.</description>
    <dc:date>2006-12-31T23:00:00Z</dc:date>
  </item>
  <item rdf:about="http://hdl.handle.net/2122/8556">
    <title>Caratterizzazione di antenna a 22 GHz presso il laboratorio microonde dell’ISCTI</title>
    <link>http://hdl.handle.net/2122/8556</link>
    <description>Title: Caratterizzazione di antenna a 22 GHz presso il laboratorio microonde dell’ISCTI
Authors: Restuccia, E.; Ministero dello Sviluppo Economico - Dipartimento per le Comunicazioni - ISCOM; Dal Molin, R.; Ministero dello Sviluppo Economico - Dipartimento per le Comunicazioni - ISCOM; Bertagnolio, P. P.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia; Muscari, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia
Abstract: Il Laboratorio Microonde dell’Istituto Superiore delle Comunicazioni e delle Tecnologie dell’Informazione esegue&#xD;
misurazioni su apparati e componenti operanti fino alle frequenze delle onde millimetriche.&#xD;
Il campo delle applicazioni comprende anche la caratterizzazione di alcuni parametri delle antenne ed in questo articolo&#xD;
vengono esposti i risultati ottenuti su di un’antenna paraboloidica offset destinata ad uno spettrometro per il monitoraggio del vapor d’acqua nella media atmosfera in sviluppo presso i laboratori dell’Istituto Nazionale di Geofisica e Vulcanologia di Roma.</description>
    <dc:date>2011-12-31T23:00:00Z</dc:date>
  </item>
  <item rdf:about="http://hdl.handle.net/2122/8491">
    <title>Volcanic ash detection by GPS signal</title>
    <link>http://hdl.handle.net/2122/8491</link>
    <description>Title: Volcanic ash detection by GPS signal
Authors: Aranzulla, M.; Dipartimento di Fisica e Astronomia, Universita` degli studi di Catania; Cannavò, F.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italia; Scollo, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italia; Puglisi, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italia; Immè, G.; sita` degli studi di Catania
Abstract: We investigate the ability of GPS to detect&#xD;
volcanic plumes at Mt. Etna, Italy. We use a robust statistical&#xD;
approach to highlight whether the presence of a&#xD;
volcanic plume in the atmosphere may really affect the&#xD;
GPS undifferenced post-fit phase residuals. The proposed&#xD;
method has been tested for the September 4–5, 2007&#xD;
activity of Mt. Etna. This eruption produced powerful lava&#xD;
fountains forming a weak, a few kilometers high plume for&#xD;
several hours, representing typical activity at Etna over the&#xD;
last 5 years. We analyzed data from nineteen Etna permanent&#xD;
GPS stations located on the volcano flanks at different&#xD;
heights and applied a statistical test based on four&#xD;
main steps: (a) realization of a simplified model representing&#xD;
the volcanic plume in atmosphere; (b) evaluation of&#xD;
the GPS satellite and station couples intersecting the&#xD;
plume; (c) calculation of the volcanic plume region crossed&#xD;
by the GPS signal; (d) application of a robust statistical test&#xD;
in order to see whether the volcanic plume affected the&#xD;
GPS signals. Results show that during the September 4–5,&#xD;
2007 explosive activity, the GPS residuals definitely&#xD;
include the contribution of the volcanic plume. Our analysis&#xD;
shows that values of the GPS residuals are ten times&#xD;
smaller than those found for the Miyakejima eruption&#xD;
(Japan), highlighting a likely relationship between residuals&#xD;
and eruption intensity. In the future, data derived from&#xD;
the GPS stations located on Etna’s flanks could be used to&#xD;
improve the alerting system of volcanic ash, already&#xD;
operating at the Istituto Nazionale di Geofisica e Vulcanologia,&#xD;
Osservatorio Etneo.</description>
    <dc:date>2012-09-16T22:00:00Z</dc:date>
  </item>
  <item rdf:about="http://hdl.handle.net/2122/8490">
    <title>Monitoring Etna volcanic plumes using a scanning LiDAR</title>
    <link>http://hdl.handle.net/2122/8490</link>
    <description>Title: Monitoring Etna volcanic plumes using a scanning LiDAR
Authors: Scollo, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italia; Boselli, A.; CNISM and IMAA-CNR, C.da S. Loja, 85050 Tito Scalo, Potenza, Italy; Coltelli, M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italia; Leto, G.; Osservatorio Astrofisico di Catania, INAF,; Pisani, G.; CNISM and Dipartimento di Scienze Fisiche; Spinelli, N.; CNISM and Dipartimento di Scienze Fisiche; Wang, X.; CNISM and CNR-SPIN, Dipartimento di Scienze Fisiche
Abstract: In this paper, we use data obtained from LiDAR&#xD;
measurements during an ash emission event on 15 November&#xD;
2010 at Mt. Etna, in Italy, in order to evaluate the spatial&#xD;
distribution of volcanic ash in the atmosphere. A scanning&#xD;
LiDAR system, located at 7 km distance from the summit&#xD;
craters, was directed toward the volcanic vents and moved in&#xD;
azimuth and elevation to analyse different volcanic plume&#xD;
sections. During the measurements, ash emission from the&#xD;
North East Crater and high degassing from the Bocca Nuova&#xD;
Crater were clearly visible. Fromour analysis we were able to:&#xD;
(1) evaluate the region affected by the volcanic plume presence;&#xD;
(2) distinguish volcanic plumes containing spherical&#xD;
aerosols from those having non-spherical ones; and (3) estimate&#xD;
the frequency of volcanic ash emissions. Moreover, the&#xD;
spatial distribution of ash mass concentration was evaluated&#xD;
with an uncertainty of about 50 %.We found that, even during&#xD;
ash emission episodes characterised by low intensity like the&#xD;
15 November 2010 event, the region in proximity of the&#xD;
summit craters should be avoided by air traffic operations,&#xD;
the ash concentration being greater than 4×10−3g/m3. The use&#xD;
of a scanning permanent LiDAR station may usefully monitor&#xD;
the volcanic activity and help to drastically reduce the risks to&#xD;
aviation operations during the frequent Etna eruptions.</description>
    <dc:date>2012-09-23T22:00:00Z</dc:date>
  </item>
  <item rdf:about="http://hdl.handle.net/2122/8489">
    <title>Lidar depolarization measurement of fresh volcanic ash from Mt. Etna, Italy</title>
    <link>http://hdl.handle.net/2122/8489</link>
    <description>Title: Lidar depolarization measurement of fresh volcanic ash from Mt. Etna, Italy
Authors: Pisani, G.; CNISM and Dipartimento di Scienze Fisiche e Università di Napoli “Federico II”, 80126 Napoli, Italy; Boselli, A.; CNISM and IMAA-CNR; Coltelli, M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italia; Leto, G.; INAF, Osservatorio Astrofisico di Catania, 95123 Catania, Italy; Pica, G.; CO.RI.S.T.A, 80126 Napoli, Italy; Scollo, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italia; Spinelli, N.; CNISM and Dipartimento di Scienze Fisiche e Università di Napoli “Federico II”, 80126 Napoli, Italy; Wang, X.; SPIN-CNR and Dipartimento di Scienze Fisiche e Università di Napoli “Federico II” e 80126 Napoli, Italy
Abstract: A small, portable, polarization lidar system with scanning capability was used to perform range resolved&#xD;
measurements of fresh erupted volcanic plume from Mount Etna in Italy. Measurements were carried out&#xD;
on November 15, 2010 during a volcanic plume emission event by placing the lidar very close to volcano&#xD;
summit craters. Depolarization measurements highlighted that aerosol of different shape and optical&#xD;
properties were emitted by the two involved vents, Bocca Nuova and North-East Craters. In the plume&#xD;
emitted from Bocca Nuova Crater the mean value of aerosol linear depolarization ratio resulted near to&#xD;
zero, corresponding to non depolarizing particles or liquid droplets, while values of (16   2)% and&#xD;
(45   3)% were observed in the ash plume emitted from North-East Crater, in the morning and in the&#xD;
afternoon, respectively. The retrieved values of volcanic aerosol depolarization ratio, aerosol backscattering&#xD;
and lidar-ratio allowed distinguishing the changes in the properties of the emitted aerosol.&#xD;
Furthermore, the ash mass concentration at source was estimated, reaching a maximum value of&#xD;
24,000   6000 mg m 3, with an additional systematic uncertainty of 50% related to the assumption of an&#xD;
effective radius of 10 mm for ash particles</description>
    <dc:date>2012-08-07T22:00:00Z</dc:date>
  </item>
  <item rdf:about="http://hdl.handle.net/2122/8439">
    <title>WI-FI APPLICATIONS IN SEISMIC AND GEODETIC MONITORING SYSTEM</title>
    <link>http://hdl.handle.net/2122/8439</link>
    <description>Title: WI-FI APPLICATIONS IN SEISMIC AND GEODETIC MONITORING SYSTEM
Authors: Cardinale, Vincenzo; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia; D'Ambrosio, Ciriaco; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia; Minichiello, Felice; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia; Falco, Luigi; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia; Memmolo, Antonino; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia; Castagnozzi, Angelo; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia; Moschillo, Raffaele; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia
Editors: Cardinale, Vincenzo; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia
Abstract: e Istituto Nazionale di Geo sica e Vulcanologia (INGV) uses di erent transmission&#xD;
systems for the seismic and GPS data from remote sites.  ose di erent types of&#xD;
transmission makes the Italian seismic monitoring reliable and redundant.</description>
    <dc:date>2012-03-14T23:00:00Z</dc:date>
  </item>
  <item rdf:about="http://hdl.handle.net/2122/8438">
    <title>A new integrated seismic and GPS mobile network – (test site: ”Montereale, Aquila – Italy”)</title>
    <link>http://hdl.handle.net/2122/8438</link>
    <description>Title: A new integrated seismic and GPS mobile network – (test site: ”Montereale, Aquila – Italy”)
Authors: Cardinale, Vincenzo; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia; Castagnozzi, Angelo; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia; Cecere, Gianpaolo; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia; D'Ambrosio, Ciriaco; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia; Falco, Luigi; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia; Memmolo, Antonino; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia; Minichiello, Felice; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia; Zarrilli, Luigi; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia
Editors: Cardinale, Vincenzo; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia
Abstract: INGV (Istituto Nazionale di Geofisica e Vulcanologia) is currently using different communication systems for the&#xD;
acquisition of seismic and GPS data from remote stations. The heterogeneity of these connection systems provides&#xD;
strength and redundancy for national seismic monitoring.&#xD;
Nowadays almost all seismic and gps stations use a remote IP connection for data transmission. A more simplified,&#xD;
mature and reliable access to this type of connection is now possible thanks to recent developments occurred in&#xD;
telecommunications. The implementation of an IP connection is possible using the existing similar telephone&#xD;
and networks (ADSL) system, through the creation of an ad-hoc networks for data exchange, as for RUPA&#xD;
(Unified Network of Public Administration) , or through links to recent satellite-using suppliers, as Nanometrics,&#xD;
Astra2Connect etc. The wireless mesh network, developed at INGV, integrates all the currently used transmission&#xD;
and acquisition seismic and GPS data systems referring to the well know Internet Protocol (IP).&#xD;
The “mesh networks” as the Internet access points, are able to talk to each other and have all routing functions.&#xD;
They are able to forward packets to another node, each one is needed to be connected to the wired network to&#xD;
extend coverage. The various nodes of the network, previously configured, can automatically interconnect with&#xD;
each other node without any topological constraint and without requiring configuration assistance. The operator&#xD;
will simply proceed the optical antenna pointing it toward the nearest node (or to multiple nodes to achieve&#xD;
redundancy of links) to allow the station to "engage" the network infrastructure.&#xD;
In this work we will show:&#xD;
• planning, development and installation of network;&#xD;
• the network infrastructure;&#xD;
• the contribution of the Wi-Fi mesh network at the INGV National Seismic Network (RSN).</description>
    <dc:date>2011-04-02T22:00:00Z</dc:date>
  </item>
  <item rdf:about="http://hdl.handle.net/2122/7904">
    <title>STRADIUM: a telemetry&amp;telecommand system for LDB flights</title>
    <link>http://hdl.handle.net/2122/7904</link>
    <description>Title: STRADIUM: a telemetry&amp;telecommand system for LDB flights
Authors: Ronchi, E.; LEN srl; Cortiglioni, S.; INAF-IASF-BO; Iarocci, A.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia; Nati, F.; Università di Roma La Sapienza, Dipartimento di Fisica; Spoto, D.; Agenzia Spaziale Italiana
Abstract: STRADIUM LDB is a telemetry system for Long Duration Balloon flights realized&#xD;
by an Italian team in collaboration with the Italian Space Agency (ASI). It provides&#xD;
a near real time, bi-directional, continuous telemetry/telecommands link. It is composed of&#xD;
two sub-systems: a ”Primary” TM/TC module, for flight management and house-keeping&#xD;
data monitoring; a ”Scientific” TM/TC module for managing scientific data link. The communication&#xD;
system is based on the IRIDIUM satellite network; this choice permits to have&#xD;
full terrestrial coverage particularly for polar flights. However, the system design flexibility&#xD;
allows to use also other available communication networks. Another important feature of&#xD;
STRADIUM is the modular design, to satisfy requirements even when large and complex&#xD;
payloads are involved.</description>
    <dc:date>2007-12-31T23:00:00Z</dc:date>
  </item>
  <item rdf:about="http://hdl.handle.net/2122/7725">
    <title>Helicorder digitale</title>
    <link>http://hdl.handle.net/2122/7725</link>
    <description>Title: Helicorder digitale
Authors: Acerra, Catello; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia; Rao, Sandro; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia; Salvaterra, Carlo; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia
Abstract: Helicorder digitale</description>
    <dc:date>2010-07-18T22:00:00Z</dc:date>
  </item>
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