Identification

Title

Stable oxygen and hydrogen isotope composition of precipitation, river water and lake water in the Five Lakes of Mikata catchment, 2011-2012 and 2020-2022

Abstract

This dataset contains information about the stable oxygen and hydrogen isotope composition (δ18O, δ2H and d-excess) of waters within the Five Lakes of Mikata catchment. Datapoints span March 2011 – January 2012 and July 2020 – July 2022. Samples include precipitation on an event-basis, weekly river water and weekly lake water. To accompany the precipitation isotope composition data, total precipitation and average temperature during each subsampling period is provided. Water temperature and salinity variations with depth within Lake Suigetsu on six dates across the 2020 – 2022 sampling interval are also given. This data was collected to determine if catchment water composition reflects East Asian Monsoon variability. This work was supported by an Australian Research Council Discovery Project (DP200101768), a JSPS KAKENHI Grant (19K20442) and the NERC IAPETUS2 Doctoral Training Partnership. Full details about this dataset can be found at https://doi.org/10.5285/6c8b8134-a877-41ee-aede-f480c7aaa80d

Resource type

dataset

Resource locator

https://data-package.ceh.ac.uk/data/6c8b8134-a877-41ee-aede-f480c7aaa80d

description: Download a copy of this data

function: download

https://data-package.ceh.ac.uk/sd/6c8b8134-a877-41ee-aede-f480c7aaa80d.zip

description: Supporting information available to assist in re-use of this dataset

function: information

Unique resource identifier

code

https://catalogue.ceh.ac.uk/id/6c8b8134-a877-41ee-aede-f480c7aaa80d

codeSpace

doi:

Dataset language

eng

Spatial reference system

code identifying the spatial reference system

Classification of spatial data and services

Topic category

inlandWaters

Keywords

Geographic location

West bounding longitude

135.804

East bounding longitude

136.002

North bounding latitude

35.648

South bounding latitude

35.513

Temporal reference

Temporal extent

Begin position

2011-01-01

End position

2022-07-31

Dataset reference date

date type

publication

effective date

2024-05-26

Frequency of update

Quality and validity

Lineage

River and lake water samples were taken using a collection vessel for surface samples or a sealable van Dorn water sampler for deep samples. Precipitation samples were taken using a purpose-built funnel and glass bottle holder. Water samples were then transported to the British Geological Survey, UK, for analysis on an Isoprime 100 mass spectrometer with an Aquaprep dual-inlet system (to yield δ18O values (‰)) and continuous flow, high temperature conversion elemental analyser - IRMS (EuropyrOH-Isoprime) with liquid autosampler (to yield δ2H values (‰)). D-excess values (in ‰) were calculated from these quantities. Water temperature (°C) and salinity data (%) were collected using a Hydrolab DS5 water quality meter and TOA-DKK WQC-24 meter. Total precipitation (mm) and average temperature (°C) were monitored using a Netatmo weather station.

Conformity

Conformity report

specification

title

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

reference date

date type

publication

effective date

2010-12-08

degree

explanation

Data format

name of format

Comma-separated values (CSV)

version of format

Constraints related to access and use

Constraint set

Limitations on public access

Constraint set

Limitations on public access

Constraint set

Limitations on public access

If you reuse this data, you should cite: Rex, C.L., Tyler, J.J., Nagaya, K., Staff, R.A., Leng, M.J., Yamada, K., Kitaba, I., Kitagawa, J., Kojima, H., Nakagawa, T. (2024). Stable oxygen and hydrogen isotope composition of precipitation, river water and lake water in the Five Lakes of Mikata catchment, 2011-2012 and 2020-2022. NERC EDS Environmental Information Data Centre https://doi.org/10.5285/6c8b8134-a877-41ee-aede-f480c7aaa80d

Responsible organisations

Responsible party

organisation name

email address

c.rex.1@research.gla.ac.uk

web address

https://orcid.org/0000-0003-2068-4836

description: ORCID is an open, non-profit, community-driven effort to create and maintain a registry of unique researcher identifiers and a transparent method of linking research activities and outputs to these identifiers.

function: information