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TitreAn ecoregional assessment of the North Atlantic
TéléchargerTéléchargement (publication entière)
AuteurBroughton, D; Helaouet, P; Graham, G; Edwards, M
SourceProgram and abstracts: 2017 GeoHab Conference, Dartmouth, Nova Scotia, Canada; par Todd, B J; Brown, C J; Lacharité, M; Gazzola, V; McCormack, E; Commission géologique du Canada, Dossier public 8295, 2017 p. 40, https://doi.org/10.4095/305423 (Accès ouvert)
LiensGeoHab 2017
Année2017
ÉditeurRessources naturelles Canada
Réunion2017 GeoHab: Marine Geological and Biological Habitat Mapping; Dartmouth, NS; CA; mai 1-4, 2017
Documentdossier public
Lang.anglais
DOIhttps://doi.org/10.4095/305423
Mediaen ligne; numérique
Référence reliéeCette publication est contenue dans Todd, B J; Brown, C J; Lacharité, M; Gazzola, V; McCormack, E; (2017). Program and abstracts: 2017 GeoHab Conference, Dartmouth, Nova Scotia, Canada, Commission géologique du Canada, Dossier public 8295
Formatspdf
Sujetstechniques de cartographie; océanographie; milieux marins; conservation; organismes marins; écologie marine; Dinoflagellés; biologie; prise de décision; site web
ProgrammeGéoscience de la gestion des océans, Géoscience en mer
Diffusé2017 09 26
Résumé(disponible en anglais seulement)
The Continuous Plankton Recorder (CPR) survey is one of the longest running marine biological monitoring programmes in the world. Started in 1931 by Sir Alister Hardy, the survey uses mechanical samplers, which collect marine plankton on a moving band of silk, towed behind "vessels of opportunity". Today the CPR survey is operated by the Sir Alister Hardy Foundation for Ocean Science (SAHFOS), located in Plymouth, UK, and operates 21 sampling transects, at monthly frequency, across the global ocean. Uniquely, the CPR survey's methods of sampling and plankton analysis remain unchanged since 1948, providing a spatio-temporally comprehensive 70+ year record of marine plankton dynamics. SAHFOS monitors the pulse of the oceans through the plankton and contributes to the significant scientific effort that advises political decisions on a global scale.
Biannually, SAHFOS produces the Global Marine Ecological Status report, which provides a synopsis on the state of change in marine plankton dynamics in the world's oceans. As part of the AtlantOS project (https://www.atlantos-h2020.eu) and to make our data more discoverable, we undertook to translate the North Atlantic section of this report into an interactive web-based product. The primary motivation for this is to make the hardcopy visualisations provided in the Global Marine Ecological Status explorable to end-users, and the underlying data accessible by direct download.
The web project (http://192.171.193.51/sahfos demo/web-viz.html) is based on a GeoServer instance, providing both base maps and geographic features. The application uses OpenLayers 3 to make WMS and WFS requests to GeoServer. Over the base map, we overlay 41 "CPR Standard Areas". These are approximately rectangular in the open ocean, but roughly conforming to the continental shelves inshore, and with coastlines constructed from NOAA's "Global Self-consistent, Hierarchical, High-resolution Geography". Users can select one or more areas and a date range, and the type of charts to be shown.
Upon selection, the corresponding vessel routes and sample locations are dynamically overlaid on the map and, at the same time, "heatmap" charts for the user-selected variables are displayed. The charts are generated purely in Javascript using Plotly.
Once displayed, the users may then choose to download any of the charts, or the data used to produce the charts as a spreadsheet.
In the future, we plan to add visualizations for all of SAHFOS's standard products, adding maps for monthly means of Phytoplankton Colour Index, Total Diatoms, Total Dinoflagellates, and Total Eyecount Copepods, with the ability to display these as an animation over time.
GEOSCAN ID305423