Archivio istituzionale della ricerca dell'Università degli Studi di Palermo

VALENZA, Mariano
 Distribuzione geografica
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Continente #
NA - Nord America 4.333
EU - Europa 1.886
AS - Asia 603
AF - Africa 29
OC - Oceania 5
SA - Sud America 4
Continente sconosciuto - Info sul continente non disponibili 3
Totale 6.863
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Nazione #
US - Stati Uniti d'America 4.320
IT - Italia 581
UA - Ucraina 392
CN - Cina 376
FI - Finlandia 266
SG - Singapore 179
IE - Irlanda 144
DE - Germania 128
GB - Regno Unito 121
SE - Svezia 73
RU - Federazione Russa 47
FR - Francia 40
RO - Romania 29
CI - Costa d'Avorio 18
KR - Corea 18
BE - Belgio 17
IN - India 10
CA - Canada 9
CH - Svizzera 9
NL - Olanda 8
HK - Hong Kong 6
AT - Austria 5
NG - Nigeria 5
PL - Polonia 5
TN - Tunisia 5
ES - Italia 4
JP - Giappone 4
EU - Europa 3
GR - Grecia 3
HU - Ungheria 3
MX - Messico 3
AU - Australia 2
BG - Bulgaria 2
DK - Danimarca 2
FJ - Figi 2
IS - Islanda 2
LB - Libano 2
TR - Turchia 2
TW - Taiwan 2
BO - Bolivia 1
CL - Cile 1
CO - Colombia 1
CZ - Repubblica Ceca 1
GE - Georgia 1
IR - Iran 1
LU - Lussemburgo 1
MK - Macedonia 1
MZ - Mozambico 1
NZ - Nuova Zelanda 1
PE - Perù 1
PH - Filippine 1
PT - Portogallo 1
RS - Serbia 1
SV - El Salvador 1
UZ - Uzbekistan 1
Totale 6.863
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Città #
Fairfield 600
Chandler 418
Ashburn 330
Woodbridge 318
Houston 283
Ann Arbor 254
Wilmington 251
Seattle 237
Jacksonville 222
Cambridge 181
Dublin 143
Singapore 141
Medford 108
Palermo 92
Nanjing 88
Dearborn 69
Princeton 69
Boardman 55
Altamura 54
Tulsa 49
Beijing 48
New York 48
San Diego 41
Lawrence 39
Milan 31
Shenyang 30
Des Moines 26
Santa Clara 25
Tianjin 25
Hebei 23
Rome 23
Changsha 21
Abidjan 18
Brussels 17
London 17
Nanchang 17
Seongnam 17
Ludwigshafen am Rhein 16
San Mateo 16
Jinan 14
Napoli 14
Ningbo 14
Verona 14
Naples 13
Los Angeles 12
Atlanta 11
Frankfurt 11
Jiaxing 11
Kunming 11
Saint Petersburg 10
Columbus 9
Munich 9
Auburn Hills 7
Bari 7
Bologna 7
Catania 7
Guangzhou 7
San Paolo di Civitate 7
Zhengzhou 7
Amsterdam 6
Hangzhou 5
Helsinki 5
Mumbai 5
Washington 5
Buffalo 4
Cagliari 4
Central 4
Clermont-Ferrand 4
Edinburgh 4
Haikou 4
Lanzhou 4
Phoenix 4
Springfield 4
Taizhou 4
Uyo 4
Vienna 4
Adelfia 3
Budapest 3
Chicago 3
Düsseldorf 3
Frankfurt am Main 3
Fuzhou 3
Geneva 3
Indiana 3
Kilburn 3
Kumar 3
Norwalk 3
Orange 3
Redmond 3
San Giovanni Rotondo 3
Syracuse 3
Taiyuan 3
Tappahannock 3
Central District 2
Copenhagen 2
Council Bluffs 2
Den Haag 2
Falls Church 2
Forest City 2
Genoa 2
Totale 4.801
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Nome #
A model for Ischia hydrothermal system: Evidences from the chemistry of thermal groundwaters. 173
Geochemical monitoring of groundwaters (1998-2001) at Vesuvius volcano (Italy) 159
Molecular and isotopic composition of free hydrocarbon gases from Sicily, Italy 158
Flow changes and geochemical anomalies in warm and cold springs associated with the 1992-1994 seismic sequence at Pollina, Central Sicily, Italy 156
Volcanic CO2 flux measurement at Campi Flegrei by Tunable Diode Laser absorption Spectroscopy 154
Effects of soil gas permeability and recirculation flux on soil CO2 flux measurements performed using a closed dynamic accumulation chamber 151
Volcanic plume monitoring at mount Etna by diffusive(passive)sampling 148
CO2 flux measurements in volcanic areas using the dynamic concentration method: the influence of the soil permeability. 147
Hydrothermal fluid venting in the offshore sector of Campi Flegrei caldera: A geochemical, geophysical, and volcanological study 146
Mercury content and speciation in the Phlegrean Fields volcanic complex: evidence from hydrothermal system and fumaroles 144
The structure of a hydrothermal system from an integrated geochemical, geophysical and geological approach: the Ischia Island case study 144
Fault controlled soil CO2 degassing and shallow magma bodies: summit and lower East Rift of Kilauea volcano (Hawaii) 1997 139
Diffuse degassing of carbon dioxide at Somma-Vesuvius volcanic complex (Southern Italy) and its relation with regional tectonics 138
Emission of bromine and iodine from Mount Etna volcano 137
Isotopic composition of the precipitations in the central Mediterranean: Origin marks and orographic precipitation effects 134
H2S fluxes from Mt. Etna, Stromboli and Vulcano (Italy) and implications for the global volcanic sulfur budget 133
Continuous monitoring of hydrogen and carbon dioxide at Mt Etna 132
Mineral control of arsenic content in thermal waters from volcano-hosted hydrothermal systems: Insights from island of Ischia and Phlegrean Fields (Campanian Volcanic Province, Italy) 130
Quantitative models of hydrothermal fluid–mineral reaction:The Ischia case 128
A PTFE membrane for the in situ extraction of dissolved gases in natural waters: Theory and applications 128
Reaction path models of magmatic gas scrubbing 127
Emission of Bromine and Iodine from Mt. Etna volcano 122
Active volcanoes as emission point sources of atmospheric mercury 122
Rates of carbon dioxide plume degassing from Mount Etna volcano, 119
Modelling groundwater processes in a carbonate catchment: a case study from the Madonie area (Northern Sicily) 118
Plume chemistry provides insights into the mechanisms of sulfur and halogen degassing at basaltic volcanoes, 115
THE TROPOSPHERIC PROCESSING OF ACIDIC GASES AND HYDROGEN SULPHIDE IN VOLCANIC GAS PLUMES AS INFERRED FROM FIELD AND MODEL INVESTIGATIONS 114
Hydrothermal buffering of the SO2/H2S ratio in volcanic gases: Evidence from La Fossa crater fumarolic field, Vulcano Island. 111
A New Web-Based Catalog of Earth Degassing Sites in Italy 111
Ludovico Sicardi, an unknown pioneer of the Volcanic Geochemical Monitoring 107
Isotopic composition of single rain events in the central Mediterranean 105
THE GROWTH OF ‘‘BLACK CRUSTS’’ ON ALCAREOUS BUILDING STONES IN PALERMO (SICILY):A FIRST APPRAISAL OF ANTHROPOGENIC AND NATURAL SULPHUR SOURCES 104
Moisture source in the Hyblean mountains region (south-eastern Sicily,Italy):Evidence from stable isotopes signature 103
Magmatic Gas Leakage at Mount Etna (Sicily, Italy): Relationships With the Volcano-Tectonic Structures, the Hydrological Pattern and the Eruptive Activity 102
Caratterizzazione Geochimica ed Isotopica e valutazione della qualità delle acque superficiali e sotterranee campionate nel foglio 549 MURAVERA. 100
Hydrothermal circulation on Ischia Island (Southern Italy), revealed by an integrated geochemical, geophysical and geological approach 100
A landscape approach in the isotopic modeling of natural precipitations: two cases in Mediterranean mountain areas. 98
Total volatile flux from Mount Etna 97
S, Cl and F degassing as an indicator of volcanic dynamics: The 2001 eruption of Mount Etna 96
Forecasting Etnean eruptions by real-time observations of volcanic gas composition. 95
DEEP RESERVOIR TEMPERATURES OF LOW-ENTHALPY GEOTHERMAL SYSTEMS IN TUNISIA: NEW CONSTRAINTS FROM CHEMISTRY OF THERMAL WATERS 91
Magma-derived gas influx and water-rock interactions in the volcanic aquifer of Mt. Vesuvius, Italy 91
Volcanic CO2 measurements at Campi Flegrei by Infrared Tunable Diode Laser absorption Spectroscopy 88
Lead isotopes in biological matrices to identify potential sources of contamination: the case study of Sulcis-Iglesiente district (SW Sardinia, Italy) 86
Modelling of water rock interactions in a carbonate aquifer: insights from a case study in the Palermo province 81
Integrated hydrogeochemical and geophysical surveys for a study of sea-water intrusion 81
Devices and methods to measure H2 and CO2 concentrations in gases released from soils and low temperature fumaroles in volcanic areas 80
Trace metal modelling of groundwater–gas–rock interactions in a volcanic aquifer: Mount Vesuvius 79
Prospezione geochimica sulle risorse idriche sotterranee e superficiali della Provincia di Palermo: costituenti inorganici maggiori, minori ed in traccia. Risultati preliminari. 78
The Ischia Island hydrothermal system: an integrated multidisciplinary (geochemical, geophysical and geological) study 77
Chemical, mineralogical and isotopic characterization of black crusts and airborne particulate matter in the historical urban area of Palermo 76
Magmatic gas leakage at Mt.Etna (Sicily,Italy):Relationships with the volcano-tectonic structures,the hydrological pattern and the eruptive activity 73
Numerical modelling of gas-water-rock interactions in volcanic-hydrothermal environment: the Ischia Island (Southern Italy) case study. 70
Soil and groundwater discharge of magmatic CO2 and He on south western Ischia Island (Central Italy) 69
Magmatic gas leakage at Mt. Etna (Sicily,Italy): Relationships with the vocano-tectonic structures ,the hydrological pattern and the eruptive activity 69
Integrated geochemical and geophysical surveys for a study of sea-water intrusion 69
• Volcanic CO2 measurements via Tunable Diode Laser Spectrometer 69
Emission of trace halogens (Br, I) from a basaltic volcano: Mount Etna 65
Chemical and isotopic characterization of ground water discharges on the Ischia island ( Italy ) 64
Diffuse soil CO2 degassing from Linosa island. 61
Real-time detection of volcanic plume H2O, CO2 and SO2 as a precursor to 2006 Mt. Etna eruptions 59
In situ permeability measurements based on radial gas advection model: relationship between soil permeability and diffuse CO2 degassing in volcanic areas. 58
Il ruolo della Geochimica nella sorveglianza dei vulcani attivi 56
A new method for gas phase extraction from natural waters to determine isotopic composition of dissolved gases 56
The CO2 diffusive degassing in Linosa Island (Sicily Channel) 56
High Carbon dioxiede emissions at Capo Calavà promontory (north easytern Sicily, Italy) Relationships between soil degassing and tectonics 54
Volcanic CO2 mapping and flux measurements at Campi Flegrei by Tunable Diode Laser absorption Spectroscopy 51
The role of isotopes in understanding the groundwater circulation in coastal areas of the south-eastern Sicily (Italy) 45
Il ruolo dei fluidi nei processi sismogenetici: variazioni geochimiche in sorgenti d'acqua di Umbria e Marche nella crisi sismica del 1997-98 43
Totale 7.040
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Categoria #
all - tutte 25.285
article - articoli 0
book - libri 0
conference - conferenze 0
curatela - curatele 0
other - altro 0
patent - brevetti 0
selected - selezionate 0
volume - volumi 0
Totale 25.285
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2019/2020993 0 0 0 0 0 233 210 123 187 74 97 69
2020/2021862 65 92 41 108 101 20 69 53 71 53 85 104
2021/2022767 34 218 8 13 33 17 34 35 75 114 42 144
2022/20231.058 112 177 24 128 151 158 29 91 107 11 45 25
2023/2024386 32 73 16 27 32 76 26 20 6 18 7 53
2024/2025312 22 47 75 106 57 5 0 0 0 0 0 0
Totale 7.040