Identification

Title

Gro for GooD VES (Vertical Electrical Soundings) Data, Kwale County, Kenya (NERC grant NE/M008894/1)

Abstract

Results of Vertical Electrical Soundings (VES) study conducted in Kwale County, Kenya in July and August 2017 by University of Nairobi and Water Resources Management Authority as part of the Gro for GooD project (https://upgro.org/consortium/gro-for-good/) to determine the existence of deeper aquifers.

Resource type

dataset

Resource locator

https://www.bgs.ac.uk/services/ngdc/accessions/index.html#item114529

function: download

http://reshare.ukdataservice.ac.uk/853667/

function: information

Unique resource identifier

code

http://data.bgs.ac.uk/id/dataHolding/13607375

codeSpace

Dataset language

eng

Spatial reference system

code identifying the spatial reference system

Classification of spatial data and services

Topic category

geoscientificInformation

Keywords

Keyword set

keyword value

originating controlled vocabulary

title

reference date

date type

publication

effective date

2008-06-01

Keyword set

keyword value

Geophysics

Geology

Hydrogeology

originating controlled vocabulary

title

reference date

date type

revision

effective date

2011

Keyword set

keyword value

NERC_DDC

Geographic location

West bounding longitude

38.4500

East bounding longitude

39.7000

North bounding latitude

-3.5500

South bounding latitude

-4.6700

Extent

Extent group

authority code

title

reference date

date type

revision

effective date

2009

code identifying the extent

KE

Extent group

authority code

title

reference date

date type

revision

effective date

2009

code identifying the extent

KEN

Extent group

authority code

title

reference date

date type

creation

effective date

1979

code identifying the extent

KENYA [id=687000]

Temporal reference

Temporal extent

Begin position

2017-07-01

End position

2017-08-31

Dataset reference date

date type

creation

effective date

2018-08-20

Frequency of update

notApplicable

Quality and validity

Lineage

Direct Current (DC) electrical resistivity method is commonly used to delineate aquifer composition, groundwater, bed-rock, fresh and salt intrusion (Robinson and Coruh, 1988; Burger, 1992; Telford et al. 1990; method detailed in Lowrie, 2007). VES was conducted in SSW-NNE direction parallel to the geological strike in the coastal area using ABEM SAS 1000 terrameter. Maximum current electrode separation was 1,000m. The array type was Schlumberger. Readings were repeated to get the value with the least standard deviation to increase data quality. Sites were identified in all the major geological formations and the survey conducted transverse to geological strikes. A total of thirty five (35) points were probed in a N-S orientation with current electrode separation of 500m. Potential was boosted at 32m, 80m and 250m during data acquisition to increase uniformity.

Conformity

Conformity report

specification

title

reference date

date type

publication

effective date

2011

degree

false

explanation

See the referenced specification

Conformity report

specification

title

reference date

date type

publication

effective date

2010-12-08

degree

false

explanation

See http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2010:323:0011:0102:EN:PDF

Data format

name of format

MS Excel

version of format

Constraints related to access and use

Constraint set

Limitations on public access

Constraint set

Limitations on public access

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.

Responsible organisations

Responsible party

contact position

School of Geography and the Environment

organisation name

University of Oxford

full postal address

Oxford

OX1 3QY

email address

not available

responsible party role

principalInvestigator

Responsible party

contact position

Smith School of Enterprise and the Environment

organisation name

University of Oxford

full postal address

Oxford

OX1 3QY

email address

not available

responsible party role

pointOfContact

Responsible party

organisation name

Rural Focus Ltd

full postal address

P.O. Box 1011-10400

Nanyuki

Kenya

email address

not available

responsible party role

originator

Responsible party

organisation name

Rural Focus Ltd

full postal address

P.O. Box 1011-10400

Nanyuki

Kenya

email address

not available

responsible party role

originator

Responsible party

organisation name

Water Resources Management Authority

email address

not available

responsible party role

originator

Responsible party

contact position

Department of Geology

organisation name

University of Nairobi

full postal address

Nairobi

Kenya

email address

not available

responsible party role

originator

Responsible party

organisation name

University of Nairobi

email address

not available

responsible party role

originator

Metadata on metadata

Metadata point of contact

organisation name

British Geological Survey

full postal address

Environmental Science Centre,Keyworth

NOTTINGHAM

NG12 5GG

United Kingdom

telephone number

+44 115 936 3100

email address

enquiries@bgs.ac.uk

responsible party role

pointOfContact

Metadata date

2024-03-14

Metadata language