• BGS metadata catalogue
  •  
  •  
  •  

London Earth Topsoil Chemical Data

The London Earth data is part of a nationwide project to determine the distribution of chemical elements in the surface environment, namely Geochemical Baseline Survey of the Environment (G-BASE). London Earth focuses on the soil of the capital city, the limits of the survey being defined by the Greater London Authority (GLA) administrative boundary. Chemical elements have been determined by X-ray fluorescence spectrometry (XRFS) at the laboratories of the British Geological Survey (BGS) in Keyworth, Nottingham. These results are presented as a MS Excel file.
 
Citation proposal
Enquiries (British Geological Survey). London Earth Topsoil Chemical Data. https://metadata.bgs.ac.uk/geonetwork/srv/api/records/a3750a7d-4037-035e-e044-0003ba9b0d98

Simple

Date ( Creation )
2011
Identifier
http://data.bgs.ac.uk/id/dataHolding/13605560

  Distributor

British Geological Survey - Enquiries  
Environmental Science Centre, Nicker Hill, Keyworth NOTTINGHAM NOTTINGHAMSHIRE NG12 5GG United Kingdom

  0115 936 3143  
  0115 936 3276 

  Point of contact

British Geological Survey - Enquiries  
Environmental Science Centre, Nicker Hill, Keyworth NOTTINGHAM NOTTINGHAMSHIRE NG12 5GG United Kingdom

  0115 936 3143  
  0115 936 3276 

  Custodian

British Geological Survey - Enquiries  
Environmental Science Centre, Nicker Hill, Keyworth NOTTINGHAM NOTTINGHAMSHIRE NG12 5GG United Kingdom

  0115 936 3143  
  0115 936 3276 
Maintenance and update frequency
asNeeded As needed
GEMET - INSPIRE themes
  • Geology
BGS Thesaurus of Geosciences
  • Nickel , Soil analysis , Geochemical sampling , Selenium , Calcium , Lead , Copper , Chemical analysis , Arsenic , Zinc , Soils , Chromium , Cadmium , Iron , Geochemical maps , Top soil , Soil surveys , Soil chemistry , Soil sampling
Keywords
  • NERC_DDC
Access constraints
otherRestrictions Other restrictions
Use constraints
otherRestrictions Other restrictions
Other constraints
The copyright of materials derived from the British Geological Survey's work is vested in the Natural Environment Research Council [NERC]. No part of this work may be reproduced or transmitted in any form or by any means, or stored in a retrieval system of any nature, without the prior permission of the copyright holder, via the BGS Intellectual Property Rights Manager. Use by customers of information provided by the BGS, is at the customer's own risk. In view of the disparate sources of information at BGS's disposal, including such material donated to BGS, that BGS accepts in good faith as being accurate, the Natural Environment Research Council (NERC) gives no warranty, expressed or implied, as to the quality or accuracy of the information supplied, or to the information's suitability for any use. NERC/BGS accepts no liability whatever in respect of loss, damage, injury or other occurence however caused.
Other constraints
The dataset is made available to external clients under BGS Digital Data Licence terms and conditions. Revert to the IPR Section (iprdigital@bgs.ac.uk ) if further advice is required with regard to permitted usage.
Spatial representation type
textTable Text, table
Denominator
10000
Metadata language
English English
Topic category
  • Geoscientific information
Geographic identifier
Greater London Authority [id=41441]

 

Date ( Revision )
2009

N
S
E
W


Supplemental Information
Soil samples were collected at a density of four samples from every square kilometre. Each sample is a composite of five subsamples collected at the corners and centre of a 20 m square. The soil was collected using a 1-m stainless steel hand-held soil auger and stored in Kraft paper bags. The topsoil was collected from a standard depth in the soil profile, 5-20 cm. A surface soil (0-5 cm) and deep soil (35 ? 50 cm) were also collected but these samples are not routinely analysed. The surface and deep soils are archived at the National Geoscience Data Centre (NGDC) in Keyworth along with the excess topsoil samples.
Reference system identifier
OGP / urn:ogc:def:crs:EPSG::27700

 

Date ( Revision )
2005

Distribution format
  • Excel Files (Current BGS Version )

  Distributor

British Geological Survey - Enquiries  
Environmental Science Centre, Nicker Hill, Keyworth NOTTINGHAM NOTTINGHAMSHIRE NG12 5GG United Kingdom

  0115 936 3143  
  0115 936 3276 
OnLine resource
BGS Homepage  

The BGS Homepage is an entry point to the BGS data services.

Hierarchy level
dataset Dataset
Other
dataset

Conformance result

Date ( Publication )
2011
Explanation
See the referenced specification
Pass
false

Conformance result

Date ( Publication )
2010-12-08
Explanation
See http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2010:323:0011:0102:EN:PDF
Pass
false
Statement
Soil samples were collected as part of the G-BASE project. Samples were analysed by XRFS which gives total element concentrations in the soil samples. Several different XRFS instruments were used (wave dispersive and energy dispersive) to determine 53 chemical elements. Three elements, chlorine (Cl), indium (In) and tellurium (Te) are excluded from the released data set as the majority (>95wt%) of the results for these elements are below the lower limit of detection. Loss on ignition (LOI) (an indicator of the soil�s organic content) and pH has also been determined.

gmd:MD_Metadata

File identifier
a3750a7d-4037-035e-e044-0003ba9b0d98   XML
Metadata language
English English
Hierarchy level
dataset Dataset
Date stamp
2021-01-19
Metadata standard name
UK GEMINI
Metadata standard version
2.3

  Point of contact

British Geological Survey  
Environmental Science Centre,Keyworth NOTTINGHAM NOTTINGHAMSHIRE NG12 5GG United Kingdom

  +44 115 936 3100  
Dataset URI
http://data.bgs.ac.uk/id/dataHolding/13605560
 
 

  Overviews


Provided by

Access to the portal
Read here the full details and access to the data.

Associated resources

Not available


  •  
  •  
  •