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Service Description: A landslide is the movement of material down a slope. This includes rock, earth, mud and peat. Landslides in Ireland mainly occur on steep mountain slopes.
Geologists map and record information on where and when landslides happen and on the material that has moved. They also map the area of a landslide in order to see how big the landslide was.
To produce this data landslides were mapped using digital imagery and mapping in the field. The area of the landslide was then drawn on a map.
We collect new landslide event data and update the landslide event dataset every year.
The are to the scale 1:5,000. This means they should be viewed at that scale. When printed at that scale 1cm on the map relates to a distance of 50m.
They are vector datasets. Vector data portray the world using points, lines and polygons (area).
The landslide extent perimeter data is shown as polygons which is the area of the landslide. Each polygon holds information about the landslide event, its date, its location, the type of landslide (topple, bogslide, flow), the type of material (peat, earth, rock) and the cause of the landslide (heavy rainfall).
The landslide location data is shown as points. Each point holds information about the landslide event, its date, its location, the type of landslide (topple, bogslide, flow), the type of material (peat, earth, rock) and the cause of the landslide (heavy rainfall).
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Description: A landslide is the movement of material down a slope. This includes rock, earth, mud and peat. Landslides in Ireland mainly occur on steep mountain slopes. Geologists map and record information on where and when landslides happen and on the material that has moved. They also map the area of a landslide in order to see how big the landslide was. To produce this data landslides were mapped using digital imagery and mapping in the field. The area of the landslide was then drawn on a map.We collect new landslide event data and update the landslide event dataset every year. The are to the scale 1:5,000. This means they should be viewed at that scale. When printed at that scale 1cm on the map relates to a distance of 50m.They are vector datasets. Vector data portray the world using points, lines and polygons (area). The landslide extent perimeter data is shown as polygons which is the area of the landslide. Each polygon holds information about the landslide event, its date, its location, the type of landslide (topple, bogslide, flow), the type of material (peat, earth, rock) and the cause of the landslide (heavy rainfall).The landslide location data is shown as points. Each point holds information about the landslide event, its date, its location, the type of landslide (topple, bogslide, flow), the type of material (peat, earth, rock) and the cause of the landslide (heavy rainfall).
Service Item Id: 77e279fadfc24e809a9da9badc487243
Copyright Text: Geological Survey Ireland
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Document Info:
Title: IE GSI Landslide Extents and Locations 5k Ireland (ROI/NI) ITM
Author:
Comments: A landslide is the movement of material down a slope. This includes rock, earth, mud and peat. Landslides in Ireland mainly occur on steep mountain slopes. Geologists map and record information on where and when landslides happen and on the material that has moved. They also map the area of a landslide in order to see how big the landslide was. To produce this data landslides were mapped using digital imagery and mapping in the field. The area of the landslide was then drawn on a map.We collect new landslide event data and update the landslide event dataset every year. The are to the scale 1:5,000. This means they should be viewed at that scale. When printed at that scale 1cm on the map relates to a distance of 50m.They are vector datasets. Vector data portray the world using points, lines and polygons (area). The landslide extent perimeter data is shown as polygons which is the area of the landslide. Each polygon holds information about the landslide event, its date, its location, the type of landslide (topple, bogslide, flow), the type of material (peat, earth, rock) and the cause of the landslide (heavy rainfall).The landslide location data is shown as points. Each point holds information about the landslide event, its date, its location, the type of landslide (topple, bogslide, flow), the type of material (peat, earth, rock) and the cause of the landslide (heavy rainfall).
Subject: Landslide extent perimeters help us to see where landslides have occurred and how large they are. Landslide locations help us locate where landslides have occurred.
Ireland's location, terrain and climate result in landslides. These occur mainly in areas with steep slopes where rock meets the surface and peat covers the terrain.
Landslides have the potential to cause great havoc, and have done so all around the world. They have resulted in loss of life and damage to infrastructure. Landslides can damage roads, railways, canal embankments, and cause dams to fail. They can destroy or severely damage buildings of all types – housing, commercial or industrial property. Rivers can become blocked or diverted by sediment or rock displaced by landslides. A map of landslide extent perimeters can be used when planning large scale infrastructure projects such as roads, wind farms and housing. Understanding where landslides can occur will help prevent future damage to any structures built.
Category:
Keywords: Ireland,IE/GSI,Geology,Landslides,Extents,Locations,Natural risk zones
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