Bare peat in Scotland from Sentinel 2

The dataset shows larger expanses of bare peat across Scotland from Sentinel 2 imagery taken in summer 2018. Resolution of 10m x 10m Sentinel 2 pixels.

Produced by GIG Earth Observation team for the Peatland Action project to be used at a regional scale to identify those parts of Scotland with the most exposed peat.

 
Citation proposal
. Bare peat in Scotland from Sentinel 2. https://services.mspdata.eu:/geonetwork/srv/api/records/92ebd99b-d4da-4dcc-b18d-839d782c921b

Simple

Date ( Creation )
2020-04-13
Identifier
/ BPEO

  Point of contact

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Maintenance and update frequency
notPlanned Not planned
GEMET - INSPIRE themes, version 1.0 ( Theme )
  • Geology , Habitats and biotopes
Use limitation
For use at a landscape level - local mapping of bare peat would benefit from using higher resolution imagery and/or ground survey.
Access constraints
otherRestrictions Other restrictions
Other constraints
Open Government Licence
Distance
20  urn:ogc:def:uom:EPSG::9001
Metadata language
eng English
Topic category
  • Environment
  • Geoscientific information
N
S
E
W


Reference system identifier
EPSG / OSGB 1936 / British National Grid (EPSG:27700) / 7.4
Reference system identifier
EPSG / ETRS89 (EPSG:4258) / 8.6
Reference system identifier
EPSG / WGS 84 (EPSG:4326) / 8.6
Distribution format
  • ESRI Shapefile (n/a )

  • Geography Markup Language (GML) (3.1.1 )

  • Google Earth KML/KMZ (2.1 )

OnLine resource
ESRI Shapefile (EPSG:27700)  
OnLine resource
Google Earth KML 2.1 (EPSG:4326)  
OnLine resource
GML 3.1.1 (zipped) (EPSG:4258)  
Hierarchy level
dataset Dataset
Statement

Thresholding and machine learning approaches were trialled before the machine learning method was rolled out across Scotland.

A Sentinel 2 mosaic of Scotland comprised of images from late June 2018 was supplied by JNCC and used for this work (apart from a part of southern Shetland which was affected by cloud).

Using Sentinel 2 meant that the whole country could be processed in a relatively short space of time, although the country was split into 14 separate regions for classification and a final manual cleaning step was required for most areas.

With a 10 metre pixel resolution the output map is limited to larger areas of bare peat and more intricate degraded areas will be missed. It is worth emphasising it is a bare peat map not a degraded peat map so includes other areas such as exposed peat workings and dried out bog pools.

An analysis report or full methodology is available on request.

Python and R code developed for this project are available on github.

https://github.com/duncansnh/Bare-peat/

Metadata

File identifier
92ebd99b-d4da-4dcc-b18d-839d782c921b   XML
Metadata language
eng English
Hierarchy level
dataset Dataset
Date stamp
2020-05-29
Metadata standard name
ISO 19115:2003/19139
Metadata standard version
1.0

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