A video showing how to use some of the key features of the data portal.
Zip file contains a video explaining how to add a dataset for logged-in users
Zip file contains a video explaining how to add additional information for logged-in users.
Zip file contains a video demonstrating a national data portal.
This zip-file contains the setup file to install QGIS software version 3.4, for a 32 bit system.
The folder contains GIS data for Atata Island acquired from UNOSTAT. Shapefiles are derived from Pleiades Sensor with data available on Structures impacted Points) and Analysis Extent (Polygon).
The folder contains GIS data for Fonoifua Island acquired from UNOSTAT. Shapefiles are derived from Pleiades Sensor with data available on Structures impacted (Points) and Analysis Extent (Polygon).
The folder contains GIS data for Mango Island acquired from UNOSTAT. Shapefiles are derived from Kompsat3 Sensor, World View 2 Sensor and Pleiades Sensor with data available on Structures impacted (Points), Analysis Extent (Polygon) and Shoreline (Line).
The folder contains GIS data for Nomuka Island acquired from UNOSTAT. Shapefiles are derived from Pleiades Sensor and World View2 sensor with data available on Structures impacted for 17/01, 18/01 (Points), Analysis Extent for 17/01, 18/01 (Polygon), Flood extent, Lake extent (13/11/21 and 18/01/22), Cloud obstruction and SW Shoreline for 13/11/21, 18/01/22.
Buffer distances of 100, 150 and 250km created from the volcanic eruption boundary to identify the level of impacts from the eruption to the resources within the three impact zones.
The map shows landcover and vegetation impact of the Hunga Tonga Hunga Haápai volcanic eruption on the Tonga Island group.
Map showing reefs with in the different Impact Zones.
This is the Geojson format of the same data in shapefile.
The folder contains GIS data for Eua Island acquired from UNOSTAT. Shapefiles are derived from Pleiades Sensor and World View 3 sensor with data available on Structures impacted (Points), Analysis Extent (Polygon), Cloud obstruction (Polygon) and Shoreline (Lines).
The folder contains spatial data in Geojson format for Tonga Volcanic Eruption Damage Assessment Analysis - Atata Island, Fonifua Island, Mango Island and Nomuka Island acquired from UNOSTAT. Datasets available are Structures impacted (Points), Analysis Extent (Polygon), Cloud obstruction (Polygon) and Shoreline (Lines) which are derived from the Pleiades , Kompsat 3 and World View 3 Sensors.
The maps highlights areas with significant shift in the shoreline by overlaying shoreline data from Nov 2021 and January 2022
The maps highlights areas with significant shift in the shoreline by overlaying shoreline data from Nov 2021 and January 2022