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Metadata provide information about the identification, the extent,
the quality, the spatial and temporal schema, spatial reference,
and distribution of digital geographic data.
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Critical points

Dataset about Critical points acquired with GBGEOApp

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Livestock

Dataset about Livestock acquired with GBGEOApp

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Flora

Dataset about Flora acquired with GBGEOApp

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GBGEOApp data

This dataset describes the data acquired with the GBGEOApp mobile application.

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Landcover

Dataset about Landcover acquired with GBGEOApp

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Nomad

Dataset about Nomad acquired with GBGEOApp

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Fauna

Dataset about Fauna acquired with GBGEOApp

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APD - Ground Surface Temperatures (GST)

Ground Surface Temperature (GST) is defined as the near-surface temperature of the ground (bedrock or surficial deposits), measured in the uppermost centimeters of the ground. GST is not a direct proof of permafrost existence but a proxy for estimating potential permafrost presence or absence in the subsurface and can be used for calibrating and validating numerical models. GST has to be distinguished from the Bottom Temperature of Snow cover (BTS), which is the temperature measured at the snow/ground interface in late winter. The APD does not collect raw GST data but the Mean Annual Ground Surface Temperature (MAGST) of a certain depth.

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APD - Boreholes Temperature (BH)

Temperature measured in boreholes (BH) is the most reliable evidence of permafrost presence or absence. BH data provides min/max/mean subsurface temperature at differing depth, maximum active layer thickness (ALT) and (if available) the depth of zero annual amplitude (ZAA). The APD does not collects raw borehole data but yearly synthesis data.

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APD - Geophysical methods (GM)

GM are punctual evidence of potential presence or absence of permafrost derived from geophysical methods. Electrical Resistivity/Impedance Tomography (ERT/EIT), Ground Penetrating Radar (GPR) or Seismic Refraction (SR) are suitable methods for the indirect detection of permafrost.

Metadata