76725feb-aa2c-429a-bf81-c5af97aabe6c
English
SEPA
Scottish Environment Protection Agency
Strathallan House, Castle Business Park
Stirling
FK9 4TZ
United Kingdom
foi@sepa.org.uk
2021-07-12T09:36:27
UK GEMINI
2.3
EPSG:27700
EPSG:4258
LiDAR for Outer Hebrides 2019 - 25cm DTM
2021-04-01
SEPA_OUTER_HEBRIDES_LIDAR_2019_25CM_DTM
www.gov.scot
A lidar survey of the Outer Hebrides was commissioned by the Scottish Environment Protection Agency (SEPA) to improve the topographic data available for modelling coastal and surface water flood risk. The aerial survey was carried out by Bluesky International Ltd. between June and September 2019. The point cloud data was captured at 16 points per square metre (ppm) and processed by Bluesky using the OSGM15 geoid model, OSTN15 horizontal transformation and Newlyn datum. The whole Outer Hebrides survey area had 11 ground control areas with RMSE values from 0.020m to 0.097m. The data is available as open data under an Open Government Licence. The 25 cm resolution data covers approximately 200 km² of the main settlement areas, including Stornoway. This dataset reflects the Digital Terrain Model (DTM) produced from the point cloud data.
SEPA
Scottish Environment Protection Agency
Strathallan House, Castle Business Park
Stirling
FK9 4TZ
United Kingdom
foi@sepa.org.uk
Orthoimagery
Elevation
GEMET - INSPIRE themes, version 1.0
2008-06-01
geonetwork.thesaurus.external.theme.httpinspireeceuropaeutheme-theme
No limitations to public access
Open Government Licence
The following attribution statement must be used to acknowledge the source of the information: © SEPA (2019).
2500
English
imageryBaseMapsEarthCover
elevation
S12000013
-8.88
-5.58
56.74
59.14
2019-06-07
2019-09-21
-4.3819999694824
185.81300354004
WMS
1.0
GeoTIFF
1.0
https://srsp-ows.jncc.gov.uk/ows?service=wms&version=1.3.0&request=GetCapabilities
OGC:WMS
scotland:outer-hebrides-2019-dtm-25cm
https://remotesensingdata.gov.scot/data#/list?lidar/outerheb-2019
WWW:LINK-1.0-http--link
Digital Terrain Model in GeoTIFF format
Digital Terrain Model (DTM) Download Service
https://remotesensingdata.gov.scot/
WWW:LINK-1.0-http--link
Scottish Remote Sensing Portal
Scottish Remote Sensing Portal
Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services
2010-12-08
false
Commissioned by SEPA in 2019, the contract was awarded to Bluesky International Ltd. who conducted and processed the data. Airborne LiDAR was collected between June and September 2019 for 200 km². The point density was a minimum of 16 points/sqm. By Feb 2020 Bluesky had delivered raw LAS files alongside Digital Terrain and Digital Surface Models at 25cm resolution (ASCII format). A survey report was provided detailing the accuracy of the data captured.