Identification

Title

LIDAR Vegetation Object Model (VOM)

Alternative title(s)

Abstract

The LIDAR derived Vegetation Object Model (VOM) is a raster product produced as part of the Environment Agency’s “Keeping Rivers Cool” project. It is an attempt to identify riparian tree cover and the opportunities for tree planting to increase future shading of streams & rivers. The dataset has been produced by complex GIS modelling of the Environment Agency national LIDAR programme 1m elevation data into discrete objects, with spatial proximity queries against features in Ordnance Survey mapping and Sentinel 2 imagery aiding in the classification of vegetation and non-vegetation objects. The result is a raster product where each pixel represents the height of top of canopy above ground, for all classified vegetation objects above a threshold of 2.5 metres. The data production is fully automated, with no manual QC and editing of the output, other than visual checks. Because of the process to classify objects based on proximity to features within OS mapping there could be some mis-classifications of objects not included in the OS mapping (especially static caravans, shipping containers, large tents / marquees, coastal cliffs and new buildings constructed directly under tree cover). This is a first release of this dataset, the quality of the production methods will be reviewed over the next year, improvements will be made where possible. As there are many potential environmental applications for an open data, national coverage, high resolution Vegetation Object Model the product will be released for all national LIDAR programme survey data captured by the Environment Agency. The Vegetation Object Model is available to download as 5km GeoTiff tiles in the same structure as the other derived products from the national LIDAR programme. Contained within each 5km zip file is the Vegetation Object Model and a hillshade raster produced by adding the VOM onto the Digital Terrain Model. Please refer to the metadata record: https://environment.data.gov.uk/dataset/2e8d0733-4f43-48b4-9e51-631c25d1b0a9 for downloading all other products derived from the national LIDAR programme, including the digital surface and terrain models, intensity rasters or point cloud. Attribution statement: © Environment Agency copyright and/or database right 2022. All rights reserved.

Resource type

dataset

Resource locator

https://environment.data.gov.uk/DefraDataDownload/?Mode=survey

protocol: http

description: Download the survey data

https://environment.data.gov.uk/explore/9f0fa3fc-a860-4729-adc9-47fe53f658d0?download=true

protocol: http

description: Download the survey coverage metadata files

https://environment.data.gov.uk/spatialdata/vegetation-object-model/wms?request=GetCapabilities&service=WMS&version=1.3.0

protocol: http

description: Vegetation Object Model - WMS

https://environment.data.gov.uk/spatialdata/vegetation-object-model/wcs?request=GetCapabilities&service=WCS&version=2.0.1

protocol: http

description: Vegetation Object Model - WCS

https://environment.data.gov.uk/spatialdata/survey-index-files/wms?request=GetCapabilities&service=WMS

protocol: http

description: Metadata Survey Index Catalogues - WMS

https://environment.data.gov.uk/spatialdata/survey-index-files/wfs?request=GetCapabilities&service=WFS

protocol: http

description: Metadata Survey Index Catalogues - WFS

https://support.environment.data.gov.uk/space/DPK/15827049/Survey+Data+Catalogue

protocol: http

description: Survey Data FAQs

Unique resource identifier

code

2e8d0733-4f43-48b4-9e51-631c25d1b0a9

codeSpace

Dataset language

eng

Spatial reference system

code identifying the spatial reference system

http://www.opengis.net/def/crs/EPSG/0/27700

Classification of spatial data and services

Topic category

environment

elevation

Keywords

Keyword set

keyword value

Keeping Rivers Cool

publication

effective date

2008-06-01

Geographic location

West bounding longitude

-6.236

East bounding longitude

2.072

North bounding latitude

55.816

South bounding latitude

49.943

Temporal reference

Temporal extent

Begin position

2016-11-11

End position

2021-04-21

Dataset reference date

date type

creation

effective date

2021-11-01

date type

revision

effective date

2023-12-15

Frequency of update

quarterly

Quality and validity

Lineage

Conformity

Data format

name of format

Open format | Geo Tagged Image File Format (GeoTIFF)

version of format

Not Applicable

Constraints related to access and use

Constraint set

Use constraints

Open Government Licence

Constraint set

Limitations on public access

There are no public access constraints to this data. Use of this data is subject to the licence identified.

Constraint set

Use constraints

Constraint set

Limitations on public access

There are no public access constraints to this data. Use of this data is subject to the licence identified.

Responsible organisations

Responsible party

organisation name

Environment Agency

email address

DSPcustomerforum@environment-agency.gov.uk

web address

https://environment.data.gov.uk/support

description: Defra Data Services Forum

responsible party role

pointOfContact

Metadata on metadata

Metadata point of contact

organisation name

Environment Agency

email address

DSPcustomerforum@environment-agency.gov.uk

responsible party role

pointOfContact

Metadata date

2023-12-18

Metadata language

eng