The OS MasterMap Imagery Layer is a maintained seamless digital dataset of high-quality 24-bit colour orthorectified aerial photography of Great Britain. It provides vital information that cannot be gained from mapping alone, allowing identification and monitoring of features such as road markings, trees, pipe networks, paths and land surface. The imagery is colour balanced and fully orthorectified, meaning that it accurately reflects the position of features at ground level without distortion. This also ensures accurate alignment with all the other layers in the OS MasterMap family and customer data.

The dataset comprises scanned images of maps and aerial photographs of the Falkland Islands. The original maps are printers films and final paper printed originals of Falkland Islands OS maps, compiled for the Falkland Islands Government and the Foreign and Commonwealth Office by the Overseas Directorate of the Ordnance Survey. The Falkland Islands Government retains copyright interest in the maps. There are no access or usage constraints for BGS staff for BGS purposes. The field slips of geological maps were compiled by BGS under contract to the Falkland Islands Government. Copyright remains with the Falkland Islands Government , but there are no access or usage constraints for BGS staff for BGS purposes. Access to both datasets are restricted to BGS staff.

Historical Map Data is owned and supplied by Landmark Information Group and Ordnance Survey (OS) and supplied to Natural Resource Wales (NRW) via an OS licence. Landmark Information Group Limited holds the most extensive digital collection of historical Ordnance Survey mapping of Great Britain. This has been taken from Ordnance Survey’s archive of Town Plans, County Series and National Grid mapping covering the period from 1841 to 1996. Historical mapping provides a unique insight into our past and is a fascinating journey through history in itself. Particularly when displayed with contemporary mapping or aerial photography. Historical Map Data is available for different time periods, referred to as epochs. Epoch 1: the first County Series survey; published dates 1843 to 1893 Epoch 2: the first County Series revision; published dates 1891 to 1912 Epoch 3: the second County Series revision; published dates 1904 to 1939 Epoch 4: the third County Series revision; published dates 1919 to 1939

This record is for Approval for Access product AfA439. A habitat map derived from airborne data, specifically CASI (Compact Airborne Spectrographic Imager) and LIDAR (Light Detection and Ranging) data.

The habitat map is a polygon shapefile showing site relevant habitat classes. Geographical coverage is incomplete because of limits in data available. It includes those areas where the Environment Agency, Natural England and the Regional Coastal Monitoring Programme have carried out sufficient aerial and ground surveys in England.

The habitat map is derived from CASI multispectral data, LIDAR elevation data and other GIS products. The classification uses ground data from sites collected near to the time of CASI capture. We use ground data to identify the characteristics of the different habitats in the CASI and LIDAR data. These characteristics are then used to classify the remaining areas into one of the different habitats.

Habitat maps generated by Geomatics are often derived using multiple data sources (e.g. CASI, LIDAR and OS-base mapping data), which may or may not have been captured coincidentally. In instances where datasets are not coincidentally captured there may be some errors brought about by seasonal, developmental or anthropological change in the habitat.

The collection of ground data used in the classification has some limitations. It has not been collected at the same time as CASI or LIDAR capture; it is normally within a couple of months of CASI capture. Some variations between the CASI data and situation on site at the time of ground data collection are possible. A good spatial coverage of ground data around the site is recommended, although not always practically achievable. For a class to be mapped on site there must have been samples collected for it on site. If the class is not seen on site or samples are not collected for a class, it cannot be mapped.

No quantitative accuracy assessment has been carried out on the habitat map, although the classification was trained using ground data and the final habitat map has been critically evaluated using Aerial Photography captured simultaneously with the CASI data by the processors and independently by habitat specialists. Please note that this content contains Ordnance Survey data © Crown copyright and database right [2014] and you must ensure that a similar attribution statement is contained in any sub-licences of the Information that you grant, together with a requirement that any further sub-licences do the same.

The NFI definition of woodland is a minimum area of 0.5 hectares under stands of trees with, or with the potential to achieve, tree crown cover of more than 20% of the ground. Areas of young trees, which have the potential to achieve a canopy cover of more than 20%, will also be interpreted as woodland and mapped. The minimum width for woodland is 20 m, although where woodlands are connected by a narrow neck of woodland less than 20 m wide, the break may be disregarded if less than 20 m in extent. Intervening land classes such as Roads - all 'tarmac' roads should be excluded from the woodland area, but internal forest tracks, farmers tracks, rides etc. will be included as part of the woodland if< 20m wide. Rivers - where the gap in woodland is 20m then rivers will be excluded from the woodland area.Power lines etc. - where the gap in woodland is 20m then power lines will be excluded from the woodland area.Railways - all normal gauge railways should be excluded from woodland Scrubby vegetation" is included within this survey where low woody growth seems to dominate a likely woodland site. The definition of an open area is any open area that is 20m wide and 0.5 ha in extent and is completely surrounded by woodland.The woodland boundaries have been interpreted from colour aerial orthophotographic imagery. For the base map, photographic images aimed to be no older than 3 years at the time of mapping (i.e. areas mapped in 2007 would be based on photographs that were ideally taken no earlier than 2004). As the map is be the basis for a longer rolling programme of sample field surveys it has been necessary to develop procedures to update the map to the date of the field survey, currently 2011, for the purpose of reporting on the current phase.The map is continually updated on an annual basis. These updates will are achieved by a combination of remote sensing and updated aerial imagery analysis for changes in the woodland structure and with reference to available new planting information from grant schemes and the FE sub-compartment database. Ordnance Survey MasterMap® (OSMM) features have been used as a reference for capturing the woodland boundaries. OSMM is the most up to date large-scale digital map of GB providing a seamless database for 1:1250, 1:2500 and 1:10000 survey data. All woodland (both urban and rural, regardless of ownership) which is 0.5ha or greater in extent, with the exception of Assumed woodland or Low density areas that can be 0.1ha or greater in extend, as been mapped Woodland that is less than 0.5ha in extent will not be described within the dataset but will be included in a separate sample survey of small woodland and tree features. The primary objective is to create a new digital map of all woodland in Great Britain using O.S.MasterMap features as boundaries where appropriate. The map shows the extent of all woodland of 0.5 ha.Woodland categories are defined by IFT (Interpreted Forest Type) values. Detailed Woodland categories are: BroadleavedConiferFelledGround Prepared for New PlantingMixed - predominantly BroadleavedMixed - predominantly ConiferYoung TreesCoppiceCoppice with StandardsShrub LandUncertainCloud or ShadowLow DensityAssumed woodlandFailedWindthrow/WindblowNon woodland categories are defined by the IOA (Interpreted Open Area) values. Detailed Non woodland categories are:Agriculture landBare areaGrassOpen waterOther vegetationPower lineQuarryRiverRoadUrbanWindfarm

The National Forest Inventory (NFI) woodland map covers all forest and woodland area over 0.5 hectare with a minimum of 20% canopy cover, or the potential to achieve it, and a minimum width of 20 metres. This includes areas of new planting, clearfell, windblow and restock. The woodland map excludes all 'tarmac' roads and active railways, and forest roads, rivers and powerlines where the gap in the woodland is greater than 20 meters wide.

All woodland (both urban and rural), regardless of ownership, is 0.5 hectare or greater in extent, with the exception of Assumed woodland or Low density areas that can be 0.1 hectare or greater in extent. Also, in the case of woodland areas that cross the countries borders, the minimum size restriction does not apply if the overall area complies with the minimum size.

Woodland less than 0.5 hectare in extent, with the expectation of the areas above, will not be described within the dataset but will be included in a separate sample survey of small woodland and tree features.

The woodland map is updated on an annual basis and the changes in the woodland boundaries use the Ordnance Survey MasterMap® (OSMM) as a reference where appropriated.

The changes in the canopy cover have been identified on:

Sentinel 2 imagery taken during spring/summer 2023 or colour aerial orthophotographic imagery available at the time of the assessment; New planting information for the financial year 2022/2023, from grant schemes and the sub-compartment database covering the estate of Forestry England, Forestry and Land Scotland and Natural Resources Wales; Transition areas where the difference between the last assessment date (source) and the latest date (source) currently available was greater than 17 years. Woodland areas, greater than 0.5 hectares, are classified as an interpreted forest type (IFT) from aerial photography and satellite imagery. Non-woodland areas, open areas greater than 0.5 hectare completely surrounded by woodland are described according to open area types.

IFT categories are Conifer, Broadleaved, Mixed mainly conifer, Mixed mainly broadleaved, Coppice, Coppice with standards, Shrub, Young trees, Felled, Ground prep, Cloud \ shadow, Uncertain, Low density, Assumed woodland, Failed, Windblow.

IOA categories are Open water, Grassland, Agricultural land, Urban, Road, River, Powerline, Quarry, Bare area, Windfarm, Other vegetation.

For further information regarding the interpreted forest types (IFT) and the interpreted open areas (IOA) please see NFI description of attributes available on www.forestresearch.gov.uk

The National Forest Inventory (NFI) woodland map covers all forest and woodland area over 0.5 hectare with a minimum of 20% canopy cover, or the potential to achieve it, and a minimum width of 20 metres. This includes areas of new planting, clearfell, windblow and restock. The woodland map excludes all 'tarmac' roads and active railways, and forest roads, rivers and powerlines where the gap in the woodland is greater than 20 meters wide.

All woodland (both urban and rural), regardless of ownership, is 0.5 hectare or greater in extent, with the exception of Assumed woodland or Low density areas that can be 0.1 hectare or greater in extent. Also, in the case of woodland areas that cross the countries borders, the minimum size restriction does not apply if the overall area complies with the minimum size.

Woodland less than 0.5 hectare in extent, with the expectation of the areas above, will not be described within the dataset but will be included in a separate sample survey of small woodland and tree features.

The woodland map is updated on an annual basis and the changes in the woodland boundaries use the Ordnance Survey MasterMap® (OSMM) as a reference where appropriate.

The changes in the canopy cover have been identified on;

Sentinel 2 imagery taken during spring/summer 2018 or colour aerial orthophotographic imagery available at the time of the assessment;

New planting information for the financial year 2018/2019, from grant schemes and the sub-compartment database covering the estate of Forestry England;

Bluesky™s National Tree Map (NTM) dataset was used to revise woodland areas between 1 and 2 ha in England;

Woodland Carbon Code dataset was also used to revised areas of approved new planting outside the existing approved grant schemes.

Woodland areas, greater than 0.5 hectares, are classified as an interpreted forest type (IFT) from aerial photography and satellite imagery. Non-woodland areas, open areas greater than 0.5 hectare completely surrounded by woodland are described according to open area types.

IFT categories are Conifer, Broadleaved, Mixed mainly conifer, Mixed mainly broadleaved, Coppice, Coppice with standards, Shrub, Young trees, Felled, Ground prep, Cloud \ shadow, Uncertain, Low density, Assumed woodland, Failed, Windblow. IOA categories are Open water, Grassland, Agricultural land, Urban, Road, River, Powerline, Quarry, Bare area, Windfarm, Other vegetation.

For further information regarding the interpreted forest types (IFT) and the interpreted open areas (IOA) please see NFI description of attributes available on http://www.forestresearch.gov.uk/

DAERA commissioned Ulster University to undertake a Historical Shoreline Analysis project of the Northern Ireland coastline.A key requirement of the Historical Shoreline Analysis Project was to delineate first order coastal cell boundaries for the entire Northern Ireland coastline. Coastal cells are paramount for coastal managers to calculate the sediment budget on a specific coastal sector and identify zones within which changes to the coast might affect adjacent coastal areas.The boundary of each coastal cell is identified and mapped according to two basic types: littoral drift divides and sediment sinks.Littoral drift divides – These boundary types normally occur at a point where the coastal orientation changes abruptly (for example, at a headland), or where sediment drift occurs in opposing directions.Sediment sinks – These boundary types are the end points where sand or gravel transport routes terminate or meet. These can occur at deeply indented bays, tidal inlets, and estuaries. Sediment tends to accumulate in such locations forming beaches and/or sedimentary landforms at or close to the shore.The boundaries identified in the Historical Shoreline Analysis Project were delineated using the historical Ordnance Survey maps and the aerial photographs as well as expert coastal geomorphological knowledge. The end result is a spatial tool which will be extremely useful for future coastal management.This is the output, which divides the Northern Ireland coastline into 7 first order coastal cells.

Abstract: This dataset represents the baseline position of the coastline in 2000 in areas considered to be vulnerable to erosion.

Lineage: An erosion ‘baseline’ was derived from the visible vegetation line shown on the Ordnance Survey Ireland (OSi) year 2000 aerial photography, or where appropriate, the cliff top line, and this was used as the basis for generating the 2030 and 2050 erosion maps.

Purpose: This data provides information required to inform policy in the management of risks associated with coastal flooding and coastal erosion. This is particularly relevant for local authorities in relation to the proper planning and development of coastal areas. The Irish Coastal Protection Strategy Study (ICPSS) is a national study that was commissioned in 2003 with the objective of providing information to support decision making about how best to manage risks associated with coastal flooding and coastal erosion. The Study was completed in 2013 and provides strategic current scenario and future scenario (up to 2100) coastal flood hazard maps and strategic coastal erosion maps for the national coastline.

Summary The NFI definition of woodland is a minimum area of 0.5 hectares under stands of trees with, or with the potential to achieve, tree crown cover of more than 20% of the ground. Areas of young trees, which have the potential to achieve a canopy cover of more than 20%, will also be interpreted as woodland and mapped. The minimum width for woodland is 20 m, although where woodlands are connected by a narrow neck of woodland less than 20 m wide, the break may be disregarded if less than 20 m in extent. Intervening land classes such as Roads - all 'tarmac' roads should be excluded from the woodland area, but internal forest tracks, farmers tracks, rides etc. willbe included as part of the woodland if < 20m wide. Rivers - where the gap in woodland is 20m then rivers will be excluded from the woodland area. Power lines etc. - where the gap in woodland is 20m then power lines will be excluded from the woodland area. Railways - all normal gauge railways should be excluded from woodland Scrubby vegetation" is included within this survey where low woody growth seems to dominate a likely woodland site. The definition of an open area is any open area that is 20m wide and 0.5 ha in extent and is completely surrounded by woodland. The woodland boundaries have been interpreted from colour aerial orthophotographic imagery. For the base map, photographic images aimed to be no older than 3 years at the time of mapping (i.e. areas mapped in 2007 would be based on photographs that were ideally taken no earlier than 2004). As the map is be the basis for a longer rolling programme of sample field surveys it has been necessary to develop procedures to update the map to the date of the field survey, currently 2011, for the purpose of reporting on the current phase. The map is continually updated on an annual basis. These updates will are achieved by a combination of remote sensing and updated aerial imagery analysis for changes in the woodland structure and with reference to available new planting information from grant schemes and the FE sub-compartment database. Ordnance Survey MasterMap® (OSMM) features have been used as a reference for capturing the woodland boundaries. OSMM is the most up to date large-scale digital map of GB providing a seamless database for 1:1250, 1:2500 and 1:10000 survey data. All woodland (both urban and rural, regardless of ownership) which is 0.5ha or greater in extent, with the expection of Assumed woodland or Low density areas that can be 0.1ha or greater in extend, as been mapped Woodland that is less than 0.5ha in extent will not be described within the dataset but will be included in a separate sample survey of small woodland and tree features.

Description. The primary objective is to create a new digital map of all woodland in Great Britain using O.S.MasterMap features as boundaries where appropriate. The map shows the extent of all woodland of 0.5 ha.Woodland categories are defined by IFT (Interpreted Forest Type) values. Detailed Woodland categories are: Broadleaved Conifer Felled Ground Prepared for New Planting Mixed - predominantly Broadleaved Mixed - predominantly Conifer Young Trees Coppice Coppice with Standards Shrub Land Uncertain Cloud or Shadow Low Density Assumed woodland Failed Windthrow/Windblow Non woodland categories are defined by the IOA (Interpreted Open Area) values. Detailed Non woodland categories are: Agriculture land Bare area Grass Open water Other vegetation Power line Quarry River Road Urban Windfarm A full list of attributes can be found in the Data Lineage section.

Any maps produced using this data should contain the following Forestry Commission acknowledgement: "Contains, or is based on, information supplied by the Forestry Commission. © Crown copyright and database right [Year] Ordnance Survey [100021242]". Attribution statement: Contains OS data © Crown copyright [and database right] [year].

Overview An updated spatial data set for existing green roofs has been produced for London's Central Activities Zone (CAZ) using 2015 aerial imagery. The CAZ makes up around two per cent of London's total area. Method ArcMap GIS software was used to map green roofs installations. The aerial imagery was loaded into the software in true colour (RGB) and infrared (IR) composites, along with the CAZ boundary and London 500x500m Ordnance Survey grid to aid locating. RGB images are useful for both roof types with IR being very good for identifying vegetation. IR allows for easy identification of vegetation due to it reflecting strongly in the near infrared (NIR) and appearing deep red in colour (healthy vegetation). Challenges and solutions The problem of judging elevation from aerial imagery, particularly of buildings with only a few stories can be partially overcome by comparing the location with Google Maps Earth view. This includes a digital elevation model that makes it easier to judge whether a green area is raised or at street level. A number of small roof terraces in the CAZ have very dense vegetation along the edge of the roof. Where this kind of greening is spatially significant, the vegetation itself has been mapped rather than the full extent of the roof, in order to produce a more appropriate and accurate green area value. Building shadows can mask the texture and colour of the roof. The use of NIR helps with green roof identification, as the contrast of the red of the vegetation with the surrounding area is far higher than in RGB, making the shadow less impactful. Some roofs that appear very uniformly green in RGB may be Astroturf as opposed to a living green roof. This can usually be identified by inspecting the roof in IR, as it will not give the distinctive deep/bright red colours of living vegetation, displaying instead as blue-purple. Even analysing a small area of London, such as the CAZ, takes a long time. This is the main reason why this study methodology has not been extended beyond the CAZ.

The National Forest Inventory (NFI) woodland map covers all forest and woodland area over 0.5 hectare with a minimum of 20% canopy cover, or the potential to achieve it, and a minimum width of 20 metres. This includes areas of new planting, clearfell, windblow and restock. The woodland map excludes all 'tarmac' roads and active railways, and forest roads, rivers and powerlines where the gap in the woodland is greater than 20 meters wide.All woodland (both urban and rural), regardless of ownership, is 0.5 hectare or greater in extent, with the exception of Assumed woodland or Low density areas that can be 0.1 hectare or greater in extent. Also, in the case of woodland areas that cross the countries borders, the minimum size restriction does not apply if the overall area complies with the minimum size.Woodland less than 0.5 hectare in extent, with the expectation of the areas above, will not be described within the dataset but will be included in a separate sample survey of small woodland and tree features.The woodland map is updated on an annual basis and the changes in the woodland boundaries use the Ordnance Survey MasterMap® (OSMM) as a reference where appropriated.The changes in the canopy cover have been identified on: • Sentinel 2 imagery taken during spring/summer 2020 and 2021 or colour aerial orthophotographic imagery available at the time of the assessment;• New planting information for the financial year 2020/2021, from grant schemes and the sub-compartment database covering the estate of Forestry England, Forestry and Land Scotland and Natural Resources Wales;Woodland areas, greater than 0.5 hectares, are classified as an interpreted forest type (IFT) from aerial photography and satellite imagery. Non-woodland areas, open areas greater than 0.5 hectare completely surrounded by woodland are described according to open area types.IFT categories are Conifer, Broadleaved, Mixed mainly conifer, Mixed mainly broadleaved, Coppice, Coppice with standards, Shrub, Young trees, Felled, Ground prep, Cloud \ shadow, Uncertain, Low density, Assumed woodland, Failed, Windblow.IOA categories are Open water, Grassland, Agricultural land, Urban, Road, River, Powerline, Quarry, Bare area, Windfarm, Other vegetation.For further information regarding the interpreted forest types (IFT) and the interpreted open areas (IOA) please see NFI description of attributes available on www.forestresearch.gov.uk

Ward boundaries for all London boroughs suitable for use in i-Trees Canopy tool. Based on Ordnance Survey Boundary-Line data available from the OpenData website. Data has been converted to latitude/longitude values (WGS84 geographic coordinate system) and saved in shapefile format, suitable for use on the i-Trees website. The i-Trees tool offers a quick and easy way to produce a statistically valid estimate of land cover types e.g. tree cover, using aerial images available in Google Maps. All that is required is an internet connection and a shapefile which defines your study area. We recommend using the boundary of your ward as a study area and this can be obtained by downloading the zip file for your Borough below. Each zip file contains individual shapefiles for every ward in that area. Each shapefile requires four different files in order to work correctly so please ensure these are all extracted from the zip file before trying to upload on the i-Trees website. For example the shapefile for Brockley ward in Lewisham consists of the following files: -Lewisham_Brockley.dbf -Lewisham_Brockley.prj -Lewisham_Brockley.shp -Lewisham_Brockley.shx

This is a spatial dataset that describes the geographic extent and location of the UK Biodiversity Action Plan traditional orchard priority habitat in England. For the purpose of the inventory, traditional orchards are defined as sites where at least five fruit trees must be present with no more than 20m between their crown edges. Traditional orchards are managed in a low intensity way with the orchard floor grazed or mown for hay and with little or no chemical input. Priority habitats are those which have been deemed to be of principal importance for the purpose of conserving biodiversity, being listed in the UK Biodiversity Action Plan, and with maintenance and restoration of these habitats being promoted through agri-environment schemes. The Traditional Orchards Inventory provides a baseline to enable future changes to be measured; and identify priorities for future conservation actions.This dataset has been derived using aerial photography, Ordnance Survey MasterMap, external datasets compiled from historic surveys, and ground survey (“ground-truthing”).Full metadata can be viewed on data.gov.uk.

The National Forest Inventory (NFI) woodland map covers all forest and woodland area over 0.5 hectare with a minimum of 20% canopy cover, or the potential to achieve it, and a minimum width of 20 metres. This includes areas of new planting, clearfell, windblow and restock. The woodland map excludes all 'tarmac' roads and active railways, and forest roads, rivers and powerlines where the gap in the woodland is greater than 20 meters wide. All woodland (both urban and rural), regardless of ownership, is 0.5 hectare or greater in extent, with the exception of Assumed woodland or Low density areas that can be 0.1 hectare or greater in extent. Also, in the case of woodland areas that cross the countries borders, the minimum size restriction does not apply if the overall area complies with the minimum size. Woodland less than 0.5 hectare in extent, with the expectation of the areas above, will not be described within the dataset but will be included in a separate sample survey of small woodland and tree features. The woodland map is updated on an annual basis and the changes in the woodland boundaries use the Ordnance Survey MasterMap® (OSMM) as a reference where appropriated. The changes in the canopy cover have been identified on: • Sentinel 2 imagery taken during spring/summer 2021 or colour aerial orthophotographic imagery available at the time of the assessment; • New planting information for the financial year 2020/2021, from grant schemes and the sub-compartment database covering the estate of Forestry England;Woodland areas, greater than 0.5 hectares, are classified as an interpreted forest type (IFT) from aerial photography and satellite imagery. Non-woodland areas, open areas greater than 0.5 hectare completely surrounded by woodland are described according to open area types.IFT categories are Conifer, Broadleaved, Mixed mainly conifer, Mixed mainly broadleaved, Coppice, Coppice with standards, Shrub, Young trees, Felled, Ground prep, Cloud \ shadow, Uncertain, Low density, Assumed woodland, Failed, Windblow.IOA categories are Open water, Grassland, Agricultural land, Urban, Road, River, Powerline, Quarry, Bare area, Windfarm, Other vegetation.For further information regarding the interpreted forest types (IFT) and the interpreted open areas (IOA) please see NFI description of attributes available on www.forestresearch.gov.uk

The NFI definition of woodland is a minimum area of 0.5 hectares under stands of trees with, or with the potentialto achieve, tree crown cover of more than 20% of the ground.Areas of young trees, which have the potential to achieve a canopy cover of more than 20%, will also beinterpreted as woodland and mapped. The minimum width for woodland is 20 m, although where woodlands areconnected by a narrow neck of woodland less than 20 m wide, the break may be disregarded if less than 20 m inextent.Intervening land classes such as Roads - all 'tarmac' roads should be excluded from the woodland area, butinternal forest tracks, farmers tracks, rides etc. will be included as part of the woodland if < 20m wide.Rivers - where the gap in woodland is 20m then rivers will be excluded from the woodland area.Power lines etc. - where the gap in woodland is 20m then power lines will be excluded from the woodland area.Railways - all normal gauge railways should be excluded from woodland Scrubby vegetation" is included within this survey where low woody growth seems to dominate a likely woodland site. The definition of an open area is any open area that is 20m wide and 0.5 ha in extent and is completely surrounded by woodland.The woodland boundaries have been interpreted from colour aerial orthophotographic imagery. For the base map,photographic images aimed to be no older than 3 years at the time of mapping (i.e. areas mapped in 2007 wouldbe based on photographs that were ideally taken no earlier than 2004). As the map is be the basis for a longerrolling programme of sample field surveys it has been necessary to develop procedures to update the map to thedate of the field survey, currently 2011, for the purpose of reporting on the current phase.The map is continually updated on an annual basis. These updates will are achieved by a combination of remotesensing and updated aerial imagery analysis for changes in the woodland structure and with reference toavailable new planting information from grant schemes and the FE sub-compartment database.Ordnance Survey MasterMap® (OSMM) features have been used as a reference for capturing the woodlandboundaries. OSMM is the most up to date large-scale digital map of GB providing a seamless database for1:1250, 1:2500 and 1:10000 survey data.All woodland (both urban and rural, regardless of ownership) which is 0.5ha or greater in extent, with theexception of Assumed woodland or Low density areas that can be 0.1ha or greater in extend, as been mappedWoodland that is less than 0.5ha in extent will not be described within the dataset but will be included in aseparate sample survey of small woodland and tree features.The primary objective is to create a new digital map of all woodland in Great Britain using O.S.MasterMap features as boundaries where appropriate. The map shows the extent of all woodland of 0.5 ha.Woodland categories are defined by IFT (Interpreted Forest Type) values. Detailed Woodland categories are:BroadleavedConiferFelledGround Prepared for New PlantingMixed - predominantly BroadleavedMixed - predominantly ConiferYoung TreesCoppiceCoppice with StandardsShrub LandUncertainCloud or ShadowLow DensityAssumed woodlandFailedWindthrow/WindblowNon woodland categories are defined by the IOA (Interpreted Open Area) values. Detailed Non woodland categories are:Agriculture landBare areaGrassOpen waterOther vegetationPower lineQuarryRiverRoadUrbanWindfarm

The National Forest Inventory (NFI) woodland map covers all forest and woodland area over 0.5 hectare with a minimum of 20% canopy cover, or the potential to achieve it, and a minimum width of 20 metres. This includes areas of new planting, clearfell, windblow and restock. The woodland map excludes all 'tarmac' roads and active railways, and forest roads, rivers and powerlines where the gap in the woodland is greater than 20 meters wide.

All woodland (both urban and rural), regardless of ownership, is 0.5 hectare or greater in extent, with the exception of Assumed woodland or Low density areas that can be 0.1 hectare or greater in extent. Also, in the case of woodland areas that cross the countries borders, the minimum size restriction does not apply if the overall area complies with the minimum size.

Woodland less than 0.5 hectare in extent, with the expectation of the areas above, will not be described within the dataset but will be included in a separate sample survey of small woodland and tree features.

The woodland map is updated on an annual basis and the changes in the woodland boundaries use the Ordnance Survey MasterMap® (OSMM) as a reference where appropriated.

The changes in the canopy cover have been identified on: Sentinel 2 imagery taken during spring/summer 2022 or colour aerial orthophotographic imagery available at the time of the assessment; New planting information for the financial year 2021/2022, from grant schemes and the sub-compartment database covering the estate of Forestry England, Forestry and Land Scotland and Natural Resources Wales;

Woodland areas, greater than 0.5 hectares, are classified as an interpreted forest type (IFT) from aerial photography and satellite imagery. Non-woodland areas, open areas greater than 0.5 hectare completely surrounded by woodland are described according to open area types.

IFT categories are Conifer, Broadleaved, Mixed mainly conifer, Mixed mainly broadleaved, Coppice, Coppice with standards, Shrub, Young trees, Felled, Ground prep, Cloud \ shadow, Uncertain, Low density, Assumed woodland, Failed, Windblow.

IOA categories are Open water, Grassland, Agricultural land, Urban, Road, River, Powerline, Quarry, Bare area, Windfarm, Other vegetation.

For further information regarding the interpreted forest types (IFT) and the interpreted open areas (IOA) please see NFI description of attributes available on www.forestresearch.gov.uk

DAERA commissioned Ulster University to undertake a Historical Shoreline Analysis project of the Northern Ireland coastline.A key requirement of the Historical Shoreline Analysis Project was to delineate first order coastal cell boundaries for the entire Northern Ireland coastline. Coastal cells are paramount for coastal managers to calculate the sediment budget on a specific coastal sector and identify zones within which changes to the coast might affect adjacent coastal areas.The boundary of each coastal cell is identified and mapped according to two basic types: littoral drift divides and sediment sinks.Littoral drift divides – These boundary types normally occur at a point where the coastal orientation changes abruptly (for example, at a headland), or where sediment drift occurs in opposing directions.Sediment sinks – These boundary types are the end points where sand or gravel transport routes terminate or meet. These can occur at deeply indented bays, tidal inlets, and estuaries. Sediment tends to accumulate in such locations forming beaches and/or sedimentary landforms at or close to the shore.The boundaries identified in the Historical Shoreline Analysis Project were delineated using the historical Ordnance Survey maps and the aerial photographs as well as expert coastal geomorphological knowledge. The end result is a spatial tool which will be extremely useful for future coastal management.This is the output, which divides the Northern Ireland coastline into 7 first order coastal cells.

Abstract: This layer shows the estimated annual rate of erosion. Lineage: Annual erosion rates were estimated based on a comparison of the natural vegetation line in Ordnance Survey Aerial Photography produced between 1970-2000. The erosion maps have been produced for existing conditions only and do not include for projected future changes in climate such as sea level rise, increased storm frequency or associated variations in erosion rates. The ICPSS erosion hazard mapping is for strategic purposes, and minor or local features may not have been included in their preparation. Therefore, the maps should not be used to assess the erosion hazard and risk associated with individual properties or point locations, or to replace a detailed local erosion hazard and risk assessment. It was not possible to eliminate the effect of existing coastal defence structures from the erosion hazard and risk assessment. Consequently, there will be areas where no erosion line is shown that are at risk from erosion, should present defences fail or not be maintained in the future. Equally, there may be an erosion line shown in areas that are now adequately defended by coastal protection structure that were introduced during or after the assessment period. Purpose: This data provides information required to inform policy in the management of risks associated with coastal flooding and coastal erosion. This is particularly relevant for local authorities in relation to the proper planning and development of coastal areas. The Irish Coastal Protection Strategy Study (ICPSS) is a national study that was commissioned in 2003 with the objective of providing information to support decision making about how best to manage risks associated with coastal flooding and coastal erosion. The Study was completed in 2013 and provides strategic current scenario and future scenario (up to 2100) coastal flood hazard maps and strategic coastal erosion maps for the national coastline.