Archivio istituzionale della ricerca dell'Università degli Studi di Palermo

VALENZA, Mariano
 Distribuzione geografica
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Continente #
NA - Nord America 4.979
EU - Europa 2.474
AS - Asia 1.645
SA - Sud America 254
AF - Africa 65
OC - Oceania 5
Continente sconosciuto - Info sul continente non disponibili 3
Totale 9.425
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Nazione #
US - Stati Uniti d'America 4.942
IT - Italia 634
CN - Cina 611
SG - Singapore 595
UA - Ucraina 390
FI - Finlandia 324
RU - Federazione Russa 262
BR - Brasile 209
DE - Germania 190
HK - Hong Kong 178
IE - Irlanda 143
PL - Polonia 142
GB - Regno Unito 138
VN - Vietnam 106
SE - Svezia 77
FR - Francia 54
JP - Giappone 33
RO - Romania 28
IN - India 23
KR - Corea 20
CA - Canada 18
CI - Costa d'Avorio 18
BE - Belgio 17
MX - Messico 15
NL - Olanda 15
AR - Argentina 14
AT - Austria 12
BD - Bangladesh 10
CH - Svizzera 10
ES - Italia 10
ID - Indonesia 10
ZA - Sudafrica 10
MA - Marocco 9
TN - Tunisia 9
IQ - Iraq 7
UZ - Uzbekistan 7
VE - Venezuela 7
KE - Kenya 6
TR - Turchia 6
LT - Lituania 5
NG - Nigeria 5
PK - Pakistan 5
PY - Paraguay 5
AL - Albania 4
CO - Colombia 4
EC - Ecuador 4
MY - Malesia 4
PH - Filippine 4
AE - Emirati Arabi Uniti 3
CL - Cile 3
EU - Europa 3
GR - Grecia 3
HU - Ungheria 3
UY - Uruguay 3
AU - Australia 2
AZ - Azerbaigian 2
BG - Bulgaria 2
BI - Burundi 2
BO - Bolivia 2
BY - Bielorussia 2
DK - Danimarca 2
EG - Egitto 2
FJ - Figi 2
IS - Islanda 2
KW - Kuwait 2
KZ - Kazakistan 2
LB - Libano 2
MM - Myanmar 2
NP - Nepal 2
PE - Perù 2
SA - Arabia Saudita 2
TW - Taiwan 2
CR - Costa Rica 1
CZ - Repubblica Ceca 1
IR - Iran 1
JM - Giamaica 1
KG - Kirghizistan 1
LU - Lussemburgo 1
MK - Macedonia 1
ML - Mali 1
MN - Mongolia 1
MU - Mauritius 1
MZ - Mozambico 1
NZ - Nuova Zelanda 1
PS - Palestinian Territory 1
PT - Portogallo 1
QA - Qatar 1
RS - Serbia 1
SN - Senegal 1
SR - Suriname 1
SV - El Salvador 1
SY - Repubblica araba siriana 1
TH - Thailandia 1
TT - Trinidad e Tobago 1
Totale 9.425
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Città #
Fairfield 593
Ashburn 478
Chandler 411
Singapore 386
Woodbridge 315
Houston 275
Ann Arbor 251
Wilmington 248
Seattle 233
Jacksonville 218
Cambridge 180
Hong Kong 172
Dublin 142
Zgierz 135
Medford 107
Beijing 104
The Dalles 98
Palermo 93
Dallas 92
Nanjing 88
Dearborn 69
Princeton 68
Helsinki 63
Council Bluffs 60
Moscow 58
New York 58
Boardman 54
Los Angeles 53
Altamura 52
Hefei 48
Tulsa 48
Ho Chi Minh City 42
San Diego 40
Buffalo 39
Lawrence 38
Santa Clara 34
Milan 33
Rome 30
Shenyang 30
San Jose 28
Des Moines 26
Tianjin 25
Hebei 22
Changsha 21
São Paulo 21
Hanoi 20
London 20
North Charleston 19
Abidjan 18
Columbus 18
Brussels 17
Nanchang 17
Ludwigshafen am Rhein 16
Naples 16
San Mateo 16
Falkenstein 14
Napoli 14
Ningbo 14
Seongnam 14
Verona 14
Jinan 13
Tokyo 13
Atlanta 12
Guangzhou 12
Cosenza 11
Frankfurt am Main 11
Kunming 11
Chicago 10
Frankfurt 10
Jiaxing 10
Saint Petersburg 10
Zhengzhou 10
Bologna 9
Catania 9
Munich 9
Phoenix 8
Amsterdam 7
Auburn Hills 7
Bari 7
Berlin 7
Higashirinkan 7
Kumagaya 7
Mumbai 7
Orem 7
San Paolo di Civitate 7
Stockholm 7
Vienna 7
Clermont-Ferrand 6
Curitiba 6
Montreal 6
Turku 6
Brooklyn 5
Cape Town 5
Haiphong 5
Hangzhou 5
Marrakesh 5
Nairobi 5
Nuremberg 5
Poplar 5
Tashkent 5
Totale 6.240
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Nome #
Integrated hydrogeochemical and geophysical surveys for a study of sea-water intrusion 241
A model for Ischia hydrothermal system: Evidences from the chemistry of thermal groundwaters. 234
Active volcanoes as emission point sources of atmospheric mercury 230
Volcanic CO2 flux measurement at Campi Flegrei by Tunable Diode Laser absorption Spectroscopy 198
Flow changes and geochemical anomalies in warm and cold springs associated with the 1992-1994 seismic sequence at Pollina, Central Sicily, Italy 195
Mercury content and speciation in the Phlegrean Fields volcanic complex: evidence from hydrothermal system and fumaroles 195
Effects of soil gas permeability and recirculation flux on soil CO2 flux measurements performed using a closed dynamic accumulation chamber 194
CO2 flux measurements in volcanic areas using the dynamic concentration method: the influence of the soil permeability. 193
Hydrothermal fluid venting in the offshore sector of Campi Flegrei caldera: A geochemical, geophysical, and volcanological study 192
Diffuse degassing of carbon dioxide at Somma-Vesuvius volcanic complex (Southern Italy) and its relation with regional tectonics 190
Geochemical monitoring of groundwaters (1998-2001) at Vesuvius volcano (Italy) 184
H2S fluxes from Mt. Etna, Stromboli and Vulcano (Italy) and implications for the global volcanic sulfur budget 182
Emission of bromine and iodine from Mount Etna volcano 181
THE TROPOSPHERIC PROCESSING OF ACIDIC GASES AND HYDROGEN SULPHIDE IN VOLCANIC GAS PLUMES AS INFERRED FROM FIELD AND MODEL INVESTIGATIONS 181
Molecular and isotopic composition of free hydrocarbon gases from Sicily, Italy 179
Volcanic plume monitoring at mount Etna by diffusive(passive)sampling 179
The structure of a hydrothermal system from an integrated geochemical, geophysical and geological approach: the Ischia Island case study 179
Reaction path models of magmatic gas scrubbing 171
Fault controlled soil CO2 degassing and shallow magma bodies: summit and lower East Rift of Kilauea volcano (Hawaii) 1997 169
Continuous monitoring of hydrogen and carbon dioxide at Mt Etna 168
Isotopic composition of the precipitations in the central Mediterranean: Origin marks and orographic precipitation effects 165
Quantitative models of hydrothermal fluid–mineral reaction:The Ischia case 162
A landscape approach in the isotopic modeling of natural precipitations: two cases in Mediterranean mountain areas. 159
Caratterizzazione Geochimica ed Isotopica e valutazione della qualità delle acque superficiali e sotterranee campionate nel foglio 549 MURAVERA. 159
Rates of carbon dioxide plume degassing from Mount Etna volcano, 158
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) 157
A PTFE membrane for the in situ extraction of dissolved gases in natural waters: Theory and applications 157
Modelling groundwater processes in a carbonate catchment: a case study from the Madonie area (Northern Sicily) 150
Hydrothermal circulation on Ischia Island (Southern Italy), revealed by an integrated geochemical, geophysical and geological approach 150
Plume chemistry provides insights into the mechanisms of sulfur and halogen degassing at basaltic volcanoes, 149
Volcanic CO2 measurements at Campi Flegrei by Infrared Tunable Diode Laser absorption Spectroscopy 149
A New Web-Based Catalog of Earth Degassing Sites in Italy 143
Ludovico Sicardi, an unknown pioneer of the Volcanic Geochemical Monitoring 142
Forecasting Etnean eruptions by real-time observations of volcanic gas composition. 138
DEEP RESERVOIR TEMPERATURES OF LOW-ENTHALPY GEOTHERMAL SYSTEMS IN TUNISIA: NEW CONSTRAINTS FROM CHEMISTRY OF THERMAL WATERS 135
Moisture source in the Hyblean mountains region (south-eastern Sicily,Italy):Evidence from stable isotopes signature 133
Hydrothermal buffering of the SO2/H2S ratio in volcanic gases: Evidence from La Fossa crater fumarolic field, Vulcano Island. 131
Magmatic Gas Leakage at Mount Etna (Sicily, Italy): Relationships With the Volcano-Tectonic Structures, the Hydrological Pattern and the Eruptive Activity 129
Lead isotopes in biological matrices to identify potential sources of contamination: the case study of Sulcis-Iglesiente district (SW Sardinia, Italy) 129
Devices and methods to measure H2 and CO2 concentrations in gases released from soils and low temperature fumaroles in volcanic areas 126
THE GROWTH OF ‘‘BLACK CRUSTS’’ ON ALCAREOUS BUILDING STONES IN PALERMO (SICILY):A FIRST APPRAISAL OF ANTHROPOGENIC AND NATURAL SULPHUR SOURCES 125
Numerical modelling of gas-water-rock interactions in volcanic-hydrothermal environment: the Ischia Island (Southern Italy) case study. 124
S, Cl and F degassing as an indicator of volcanic dynamics: The 2001 eruption of Mount Etna 123
Isotopic composition of single rain events in the central Mediterranean 122
Total volatile flux from Mount Etna 120
• Volcanic CO2 measurements via Tunable Diode Laser Spectrometer 119
Magma-derived gas influx and water-rock interactions in the volcanic aquifer of Mt. Vesuvius, Italy 117
Prospezione geochimica sulle risorse idriche sotterranee e superficiali della Provincia di Palermo: costituenti inorganici maggiori, minori ed in traccia. Risultati preliminari. 116
Soil and groundwater discharge of magmatic CO2 and He on south western Ischia Island (Central Italy) 116
Modelling of water rock interactions in a carbonate aquifer: insights from a case study in the Palermo province 113
Emission of trace halogens (Br, I) from a basaltic volcano: Mount Etna 113
The Ischia Island hydrothermal system: an integrated multidisciplinary (geochemical, geophysical and geological) study 106
In situ permeability measurements based on radial gas advection model: relationship between soil permeability and diffuse CO2 degassing in volcanic areas. 105
Integrated geochemical and geophysical surveys for a study of sea-water intrusion 105
Chemical, mineralogical and isotopic characterization of black crusts and airborne particulate matter in the historical urban area of Palermo 104
Chemical and isotopic characterization of ground water discharges on the Ischia island ( Italy ) 99
Trace metal modelling of groundwater–gas–rock interactions in a volcanic aquifer: Mount Vesuvius 97
Diffuse soil CO2 degassing from Linosa island. 96
High Carbon dioxiede emissions at Capo Calavà promontory (north easytern Sicily, Italy) Relationships between soil degassing and tectonics 95
Magmatic gas leakage at Mt.Etna (Sicily,Italy):Relationships with the volcano-tectonic structures,the hydrological pattern and the eruptive activity 93
Volcanic CO2 mapping and flux measurements at Campi Flegrei by Tunable Diode Laser absorption Spectroscopy 93
Magmatic gas leakage at Mt. Etna (Sicily,Italy): Relationships with the vocano-tectonic structures ,the hydrological pattern and the eruptive activity 87
A new method for gas phase extraction from natural waters to determine isotopic composition of dissolved gases 87
Real-time detection of volcanic plume H2O, CO2 and SO2 as a precursor to 2006 Mt. Etna eruptions 85
Il ruolo della Geochimica nella sorveglianza dei vulcani attivi 78
The CO2 diffusive degassing in Linosa Island (Sicily Channel) 75
The role of isotopes in understanding the groundwater circulation in coastal areas of the south-eastern Sicily (Italy) 68
Il ruolo dei fluidi nei processi sismogenetici: variazioni geochimiche in sorgenti d'acqua di Umbria e Marche nella crisi sismica del 1997-98 60
Totale 9.597
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Categoria #
all - tutte 34.037
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 34.037
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/2021430 0 0 0 0 0 0 68 53 70 52 84 103
2021/2022758 33 216 8 13 33 17 33 34 75 111 42 143
2022/20231.038 109 172 24 125 149 156 29 89 106 10 44 25
2023/2024381 32 72 16 27 31 74 26 20 6 17 7 53
2024/20251.151 22 47 75 102 56 114 66 88 78 97 128 278
2025/20261.850 218 107 261 259 329 650 26 0 0 0 0 0
Totale 9.597