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The amino acid composition of 20 aragonite samples precipitated in vitro in the presence and absence of amino acid (aspartic acid and glycine, separately and in combination), the dipeptide glycyl-L-aspartic acid and tetra-aspartic acid.

Published by:
British Geological Survey (BGS)
Last updated:
07 January 2026

Amino acid compositions of aragonite samples precipitated from seawater, using a pH stat titrator using the constant composition technique between September 2021 and December 2022. Samples were...

Average Accumulated Exceedance (AAE) of critical loads of acidity and nutrient nitrogen by acid and nitrogen deposition for the UK, 2016-2018

Published by:
Environmental Information Data Centre
Last updated:
19 November 2025

This data resource consists of two files: (a) 1x1 km resolution Average Accumulated Exceedance (AAE) data summarising the exceedances of acidity critical loads for eight habitats; (b) 1x1 km...

Average Accumulated Exceedance (AAE) of critical loads of acidity and nutrient nitrogen by acid and nitrogen deposition for 2013-15

Published by:
Environmental Information Data Centre
Last updated:
19 November 2025

This data resource consists of two files: (a) 1x1 km resolution Average Accumulated Exceedance (AAE) data summarising the exceedances of acidity critical loads for eight habitats; (b) 1x1 km...

Average Accumulated Exceedance (AAE) of critical loads of acidity and nutrient nitrogen by acid and nitrogen deposition for the UK, 2015-2017

Published by:
Environmental Information Data Centre
Last updated:
19 November 2025

This data resource consists of two files: (a) 1x1 km resolution Average Accumulated Exceedance (AAE) data summarising the exceedances of acidity critical loads for eight habitats; (b) 1x1 km...

Average Accumulated Exceedance (AAE) of critical loads of acidity and nutrient nitrogen by acid and nitrogen deposition for the UK, 2017-2019

Published by:
Environmental Information Data Centre
Last updated:
19 November 2025

This data resource consists of two files: (a) 1x1 km resolution Average Accumulated Exceedance (AAE) data summarising the exceedances of acidity critical loads for eight habitats; (b) 1x1 km...

Acidity of stream water

Published by:
British Geological Survey (BGS)
Last updated:
31 December 2025

THIS DATASET HAS BEEN WITHDRAWN **This dataset was created for the "Britain beneath our feet" atlas using information extracted from the Geochemical Baseline Survey Of The Environment (G-BASE) For...

Water Framework Directive (WFD) Acid Sensitive Waterbodies Cycle 2

Published by:
Natural Resources Wales
Last updated:
14 October 2025

Water Framework Directive (WFD) Acid Sensitive Waterbodies Cycle 2 (2014 - 2019) is a spatial (polygon shapefile) dataset containing attributes that have been collated as defined, for the...

Water Framework Directive (WFD) Acid Sensitive Waterbodies Cycle 2

Published by:
Natural Resources Wales
Last updated:
14 February 2023

Water Framework Directive (WFD) Acid Sensitive Waterbodies Cycle 2 (2014 - 2019) is a spatial (polygon shapefile) dataset containing attributes that have been collated as defined, for the...

Average Accumulated Exceedance (AAE) of critical loads of acidity and nutrient nitrogen by acid and nitrogen deposition for the UK, 2019-2021

Published by:
Environmental Information Data Centre
Last updated:
19 November 2025

This data resource consists of two files: (a) 1x1 km resolution Average Accumulated Exceedance (AAE) data summarising the exceedances of acidity critical loads for eight habitats; (b) 1x1 km...

Average Accumulated Exceedance (AAE) of critical loads of acidity and nutrient nitrogen by acid and nitrogen deposition for the UK, 2018-2020

Published by:
Environmental Information Data Centre
Last updated:
19 November 2025

This data resource consists of two files: (a) 1x1 km resolution Average Accumulated Exceedance (AAE) data summarising the exceedances of acidity critical loads for eight habitats; (b) 1x1 km...

Average Accumulated Exceedance (AAE) of critical loads of acidity and nutrient nitrogen by acid and nitrogen deposition for the UK, 2014-2016

Published by:
Environmental Information Data Centre
Last updated:
19 November 2025

This data resource consists of two files: (a) 1x1 km resolution Average Accumulated Exceedance (AAE) data summarising the exceedances of acidity critical loads for eight habitats; (b) 1x1 km...

Critical loads of acidity and nutrient nitrogen for UK habitats

Published by:
Environmental Information Data Centre
Last updated:
19 November 2025

The data provide critical loads of acidity, and of nutrient nitrogen for the distributions of UK habitats sensitive to acidification and/or eutrophication. Critical loads have been calculated and...

Speleothem chemical data and soil acidity experiments (NE/K012827/1)

Published by:
British Geological Survey (BGS)
Last updated:
07 January 2026

speleothem data - ICP-AES (Inductively coupled plasma atomic emission spectroscopy) , incomplete soil acidity experiments - soil water chemistry after acidification - incomplete

Element ratios of seawater and of aragonite precipitated in vitro from seawater at 25°C over variable pH and seawater saturation state and in the presence and absence of amino acids (aspartic acid, glutamic acid and glycine)

Published by:
British Geological Survey (BGS)
Last updated:
07 January 2026

Strontium/calcium, magnesium/calcium, lithium/calcium and boron/calcium ratios of 107 aragonite samples precipitated in vitro using a pH stat titrator using the constant composition technique...

Influence of Jasmonic acid on the response of pasture to ozone

Published by:
Environmental Information Data Centre
Last updated:
19 November 2025

The data are biomass and ozone-injury data for white clover (Trifolium repens). Dataset concerns a 2014 study on the effects of Jasmonic acid/cutting in modulating the response of clover to ozone....

X-ray micro-tomography datasets of Ketton carbonate obtained at 5MPa and 323K - (a) Dry micro-core (b) Hydrochloric acid reacted micro-core

Published by:
British Geological Survey (BGS)
Last updated:
07 January 2026

The datasets contains two sets of three dimensional images of Ketton carbonate core of size 5 mm in diameter and 11 mm in length scanned at 7.97µm voxel resolution using Versa XRM-500 X-ray...

Diatom silica oxygen isotope and n-alkanoic acid hydrogen isotope composition of sediments from Lake Suigetsu, Japan (22,000 to 10,000 cal BP)

Published by:
Environmental Information Data Centre
Last updated:
19 November 2025

This dataset contains information about the stable oxygen isotope composition (δ18O) of bulk diatom silica, and the compound-specific stable hydrogen isotope composition (δ2H) of n-alkanoic acids...

N-alkanoic acid hydrogen isotope composition and biomarker concentration of sediments from Lake Suigetsu, Japan (132,700 to 125,200 cal BP)

Published by:
Environmental Information Data Centre
Last updated:
19 November 2025

This dataset contains information about the compound-specific stable hydrogen isotope composition (δ2H) of n-alkanoic acids with 26, 28 and 30 carbon atoms. The samples originated from the Lake...

Acid Grassland Habitat Network

Published by:
OpenDataNI
Last updated:
01 December 2024

In 2020, with generous funding from the National Lottery Heritage Fund, Ulster Wildlife, National Trust NI, RSPB NI and Woodland Trust NI came together to start building capacity to deliver Nature...

Acid manipulation field experiment in North Wales and the Peak District (2015-2016): Litter decomposition, Tea Bag Index and pore water chemistry data

Published by:
Environmental Information Data Centre
Last updated:
19 November 2025

Data from an acidity manipulation field experiment for three treatment types: control, acid and alkaline. Each treatment type had four replications at two experimental site locations and two soil...