<?xml version="1.0" encoding="UTF-8"?>
<DataCollection xmlns="https://metadata.pithia.eu/schemas/2.2" xmlns:gmd="http://www.isotc211.org/2005/gmd" xmlns:om="http://www.opengis.net/om/2.0" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://metadata.pithia.eu/schemas/2.2 https://metadata.pithia.eu/schemas/2.2/pithia.xsd">
<om:phenomenonTime/>
<om:resultTime/>
<om:procedure xlink:href="https://metadata.pithia.eu/resources/2.2/process/ingv/CompositeProcess_eSWua_Ground_Based_Scintillation_Climatology"/>
<om:observedProperty/>
<om:featureOfInterest>
<FeatureOfInterest>
<namedRegion xlink:href="https://metadata.pithia.eu/ontology/2.2/featureOfInterest/Earth"/>
<namedRegion xlink:href="https://metadata.pithia.eu/ontology/2.2/featureOfInterest/Earth_Ionosphere"/>
</FeatureOfInterest>
</om:featureOfInterest>
<om:result/>
<identifier>
<PITHIA_Identifier>
<localID>DataCollection_eSWua_Ground_Based_Scintillation_Climatology</localID>
<namespace>ingv</namespace>
<version>1</version>
<creationDate>2025-04-30T11:05:00Z</creationDate>
<lastModificationDate>2025-04-30T11:05:00Z</lastModificationDate>
</PITHIA_Identifier>
</identifier>
<name>eSWua: Ground Based Scintillation Climatology (GBSC)</name>
<description>Statistical characterization of the percentage occurrence of GNSS scintillation performed by means of the so-called Ground-Based Scintillation Climatology (GBSC) model (Spogli et al., 2009). The model calculates, for a specific GNSS scintillation receiver of the eSWua network, the percentage ratio between the occurrences of the scintillation index (S4 or SigmaPhi) values exceeding a defined threshold and the total number of available observations. The percentage occurrences are evaluated within 1-hour interval (time resolution). The resulting data are organized into a matrix, with the hours of the day on the x-axis, the days of the year on the y-axis, and the percentage of scintillation occurrences represented by the values of each matrix cell.</description>
<type xlink:href="https://metadata.pithia.eu/ontology/2.2/computationType/StatisticalModel"/>
<project xlink:href="https://metadata.pithia.eu/resources/2.2/project/ingv/Project_INGV_eSWua"/>
<relatedParty>
<ResponsiblePartyInfo>
<role xlink:href="https://metadata.pithia.eu/ontology/2.2/relatedPartyRole/PointOfContact"/>
<party xlink:href="https://metadata.pithia.eu/resources/2.2/individual/ingv/Individual_INGV_eSWua"/>
</ResponsiblePartyInfo>
</relatedParty>
<relatedParty>
<ResponsiblePartyInfo>
<role xlink:href="https://metadata.pithia.eu/ontology/2.2/relatedPartyRole/DataProvider"/>
<party xlink:href="https://metadata.pithia.eu/resources/2.2/organisation/pithia/Organisation_INGV"/>
</ResponsiblePartyInfo>
</relatedParty>
<collectionResults>
<source>
<OnlineResource>
<serviceFunction xlink:href="https://metadata.pithia.eu/ontology/2.2/serviceFunction/Graphical"/>
<linkage>
<gmd:URL>http://www.eswua.ingv.it/index.php/gnss-scintillation/scint-climatology</gmd:URL>
</linkage>
<name>eSWua Ground Based Scintillation Climatology tool</name>
<protocol>https</protocol>
<description>This tool allow to displays the timeline of the scintillation occurrences for each station of the eSWua network for a time period of maximum 30 days (at one time). The user can select the station, the time period, the scintillation index (either S4 or sigma-phi, both measured on L1), the elevation mask, and the threshold value above which an observation is considered a scintillation event.</description>
<dataFormat xlink:href="https://metadata.pithia.eu/ontology/2.2/resultDataFormat/text-html"/>
</OnlineResource>
</source>
</collectionResults>
<dataLevel xlink:href="https://metadata.pithia.eu/ontology/2.2/dataLevel/L4"/>
<permission xlink:href="https://metadata.pithia.eu/ontology/2.2/licence/CCBY"/>
</DataCollection>