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.
Simple
- Date (Creation)
- 2011
- Citation identifier
- http://data.bgs.ac.uk/id/dataHolding/13605560
- Point of contact
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Organisation name Individual name Electronic mail address Role British Geological Survey
Enquiries
Distributor British Geological Survey
Enquiries
Point of contact British Geological Survey
Enquiries
Custodian
- Maintenance and update frequency
- As needed
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GEMET - INSPIRE themes, version 1.0
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BGS Thesaurus of Geosciences
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Chemical analysis
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Copper
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Soils
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Geochemical maps
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Lead
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Soil sampling
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Cadmium
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Iron
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Arsenic
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Geochemical sampling
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Selenium
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Zinc
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UK Location (INSPIRE)
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Nickel
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Soil chemistry
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Soil surveys
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Top soil
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Calcium
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Chromium
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Soil analysis
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- dataCentre
- Keywords
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NERC_DDC
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- Access constraints
- Other restrictions
- Other constraints
- Available to 3rd parties under licence
- Use constraints
- Other restrictions
- Other constraints
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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
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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
- Text, table
- Denominator
- 10000
- Language
- English
- Topic category
-
- Geoscientific information
- Geographic identifier
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Greater London Authority [id=41441]
British Geological Survey Gazetteer: OS Boundary Line 2009 revision
))
- Begin date
- 2005
- End date
- 2010
- Supplemental Information
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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.
- Unique resource identifier
- OSGB 1936 / British National Grid (EPSG::27700)
- Distribution format
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Name Version Excel Files
Current BGS Version
- Distributor contact
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Organisation name Individual name Electronic mail address Role British Geological Survey
Enquiries
Distributor
- OnLine resource
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Protocol Linkage Name HTTP
http://www.bgs.ac.uk/ BGS Homepage
- Hierarchy level
- Dataset
- Other
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dataset
Conformance result
- Title
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INSPIRE Implementing rules laying down technical arrangements for the interoperability and harmonisation of Geology
- Date (Publication)
- 2011
- Explanation
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See the referenced specification
- Pass
- No
Conformance result
- Title
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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
- Date (Publication)
- 2010-12-08
- Explanation
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See http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2010:323:0011:0102:EN:PDF
- Pass
- No
- Statement
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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.
Metadata
- File identifier
- a3750a7d-4037-035e-e044-0003ba9b0d98 XML
- Metadata language
- English
- Hierarchy level
- Dataset
- Date stamp
- 2024-06-18
- Metadata standard name
- UK GEMINI
- Metadata standard version
-
2.3
- Metadata author
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Organisation name Individual name Electronic mail address Role British Geological Survey
Point of contact
- Dataset URI