6099c9f4-e651-4086-8adb-7f99528cb1e3 English ISO/IEC 8859-1 (also known as Latin 1) dataset dataset NERC EDS Environmental Information Data Centre Lancaster Environment Centre, Library Avenue, Bailrigg Lancaster LA1 4AP UK info@eidc.ac.uk https://eidc.ac.uk/ EIDC website The Environmental Information Data Centre (EIDC) is the UK's national data centre for terrestrial and freshwater sciences. information pointOfContact 2026-03-03T12:43:10 UK GEMINI 2.3 WGS 84 Water quality monitoring data collected in the Maldives by the South Asian Nitrogen Hub, 2022-24 2026-03-03 publication https://catalogue.ceh.ac.uk/id/6099c9f4-e651-4086-8adb-7f99528cb1e3 [This dataset is embargoed until December 15, 2026]. Sites were monitored for key water quality indicators, including: water quality parameters (temperature, pH, electrical conductivity, salinity, dissolved oxygen and turbidity), water samples collected for subsequent nutrient analysis (for dissolved inorganic nitrogen and phosphate), and where possible seagrass or algal samples were collected for isotopic composition. Water quality data was collected across a range of sites in Laamu atoll between 2022 and 2024 to develop a baseline understanding of water quality, to help characterise nutrient loading and identify potential sources of nutrient pollution. The sampling was conducted on varying spatial and temporal scales. This included a variety of island types (e.g., inhabited, uninhabited, agricultural, tourism islands, pristine patch reefs), and within individual islands. Sampling was conducted across a spectrum of uses-types of different sites (e.g., densely populated areas, versus heavy agricultural areas, vs rural areas etc) between different seasons (wet and dry seasons) on monthly, quarterly, bi-annual and annual time-windows. Repeat sampling was conducted on several sites several times a year and over 2 years to get a sense of change over time and within season. Jessica Arnull University of Edinburgh Jessica.Arnull@ed.ac.uk pointOfContact Arnull, J. University of Edinburgh Jessica.Arnull@ed.ac.uk https://orcid.org/0009-0007-0389-9292 ORCID record 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. information author Tudhope, A.W. University of Edinburgh sandy.tudhope@ed.ac.uk https://orcid.org/0000-0003-1819-3325 ORCID record 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. information author Wilson, A.M.W. University of Edinburgh meriwether.wilson@ed.ac.uk author Ganeshram, R.S. University of Edinburgh r.ganeshram@ed.ac.uk https://orcid.org/0000-0002-5150-1310 ORCID record 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. information author Hashim, A.S. Maldives Resilient Reefs shaha@bluemarinefoundation.com https://orcid.org/0000-0003-4735-6752 ORCID record 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. information author Ziyadh, A.M. Maldives Resilient Reefs mufliha@maldivesresilientreefs.com author University of Edinburgh EMAIL NOT PROVIDED owner NERC EDS Environmental Information Data Centre info@eidc.ac.uk publisher NERC EDS Environmental Information Data Centre info@eidc.ac.uk custodian Environmental Monitoring Facilities theme GEMET - INSPIRE themes, version 1.0 2008-06-01 publication Indian Ocean coastal pollution isotope water quality baseline monitoring groundwater pollution GEMET - Concepts, version 4.1.3 2019-01-28 creation Pollution Water quality Environmental survey Maldives otherRestrictions Embargoed otherRestrictions This resource is available under the terms of the Open Government Licence textTable English utf8 environment oceans 2022-01-03 2024-07-31 73.221 73.6 1.752 2.154 Comma-separated values (CSV) NERC EDS Environmental Information Data Centre info@eidc.ac.uk distributor dataset dataset 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 2010-12-08 Water quality data was generated using multi-parameter probes in-situ (either Hach or Aquaprobe) which were calibrated as per instructions prior to each use for each parameter. Nutrient measurements were performed spectrophotometrically at either SAMS (Scottish Association for Marine Science in Oban, UK; or at the National Centre for Sustainable Coastal Management in Chennai, India), with samples stored and transported frozen. Elemental and isotopic compositions of seagrass and macroalgal samples were generated through stable isotope ratio mass spectrometer, performed at the University of Edinburgh, UK, with samples stored and transported frozen prior to analysis. Manual checks have been performed on the data to look for any error in data entry or values reported outside the expected range. This data is heterogenous in nature. Any outliers were then investigated and corrected where appropriate