Results for "O-Level mathematics" - National Data Library

European Monitoring and Evaluation Program Model for the UK (EMEP4UK) daily atmospheric composition for 2002-2021

Published by:: Environmental Information Data Centre
Last updated:: 14 May 2026

This dataset is a model output from the European Monitoring and Evaluation Programme (EMEP) model applied to the UK (EMEP4UK) driven by Weather and Research Forecast model meteorology (WRF). It...

Urination data for Welsh Mountain ewes grazing upland and lowland pastures in North Wales, 2016

Published by:: Environmental Information Data Centre
Last updated:: 14 May 2026

The data contains urination metrics including frequency, volume, chemical composition, estimated urine patch N loading rates and metabolomics profile of individual urine events from sheep (Welsh...

Surface temperature, surface oxygen, water clarity, water chemistry and phytoplankton chlorophyll a data from Blelham Tarn, UK, 2021-2022

Published by:: Environmental Information Data Centre
Last updated:: 14 May 2026

This is part of an ongoing long-term monitoring dataset of surface temperature, surface oxygen, water clarity, water chemistry and phytoplankton chlorophyll a from fortnightly sampling at Blelham...

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

Published by:: Environmental Information Data Centre
Last updated:: 14 May 2026

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 –...

Surface temperature, surface oxygen, water clarity, water chemistry and phytoplankton chlorophyll a data from Esthwaite Water, UK, 2021-2022

Published by:: Environmental Information Data Centre
Last updated:: 14 May 2026

This is part of an ongoing long-term monitoring dataset of surface temperature, surface oxygen, water clarity, water chemistry and phytoplankton chlorophyll a from fortnightly sampling at Esthwaite...

Denitrification rates in seagrasses and mudflats at six coastal sites in England, December 2024-February 2025

Published by:: Environmental Information Data Centre
Last updated:: 14 May 2026

We surveyed two seagrass beds and two mudflats in each of six coastal sites in England (Holy Island, Blackwater, Thames, Chichester, Plymouth, Morecambe) between December 2024 and March 2025 to...

Nitrous oxide and methane fluxes from different riparian restoration treatments in oil palm plantations in Riau, Indonesia 2019-2021

Published by:: Environmental Information Data Centre
Last updated:: 14 May 2026

This dataset contains terrestrial fluxes of nitrous oxide (N2O), methane (CH4) and ecosystem respiration (carbon dioxide (CO2)) calculated from static chamber measurements in riparian buffers of...

UKCCSRC Call 2 project paper: A synthetic-dynamic method for water solubility measurements in high pressure CO2 using ATRFTIR spectroscopy

Published by:: British Geological Survey (BGS)
Last updated:: 25 June 2026

A new synthetic method for studying phase behaviour is described using Attenuated Total Reflection (ATR) spectroscopy. The method has been developed to provide relevant information on the...

Breathe London Mobile Monitoring

Published by:: Greater London Authority
Last updated:: 24 June 2026

Two Google Street View cars, equipped with reference-type air quality monitors, are measuring air pollution over approximately 600 eight-hour shifts between autumn 2018 and autumn 2019. The cars...

UK in-situ stress field orientation from borehole breakouts and drilling induced tensile fractures identified using borehole imaging

Published by:: British Geological Survey (BGS)
Last updated:: 25 June 2026

This datasets contains 323 observations of borehole breakouts across and drilling induced tensile fractures from borehole imaging used to re-characterise the UK stress field orientation in 2016....

Ptychotomography of Bishop Tuff Zircons (NERC Grant NE/P002498/1)

Published by:: British Geological Survey (BGS)
Last updated:: 25 June 2026

Nanoscopic (50 < size < 150 nm) magnetic particles embedded within the unaltered interior of mineral crystals like zircons (ZrSiO 4 ) make ideal candidates to record the information about the...

Atomic scale simulations of hydrous vacancies in forsterite (NERC Grant NE/M000044/1)

Published by:: British Geological Survey (BGS)
Last updated:: 25 June 2026

These data files represent simulations of hydrated cation vacancies in the mantle mineral forsterite (Mg2SiO4) undertaken using the CASTEP atomic scale simulation code (http://www.castep.org/)....

UK in-situ stress field orientation from borehole breakouts and drilling induced tensile fractures identified using borehole imaging (2020)

Published by:: British Geological Survey (BGS)
Last updated:: 25 June 2026

This datasets contains 323 observations of borehole breakouts across and drilling induced tensile fractures from borehole imaging used to re-characterise the UK stress field orientation in 2016....

Species point records from 1988 OPRU HRE Taf, Tywi & Gwendraeth Estuaries survey

Published by:: Joint Nature Conservation Committee
Last updated:: 17 May 2018

The estuaries of the Taf, Tywi and Gwendraeth are known locally as the `Three rivers` as they converge and enter into Camarthen Bay in South West Wales through a common mouth. The rivers drain...

Habitat point records from 1988 OPRU HRE Taf, Tywi & Gwendraeth Estuaries survey

Published by:: Joint Nature Conservation Committee
Last updated:: 17 May 2018

The estuaries of the Taf, Tywi and Gwendraeth are known locally as the `Three rivers` as they converge and enter into Camarthen Bay in South West Wales through a common mouth. The rivers drain...