Dynamic biogeochemical provinces in the global ocean
Identifieur interne : 001A72 ( Istex/Curation ); précédent : 001A71; suivant : 001A73Dynamic biogeochemical provinces in the global ocean
Auteurs : Gabriel Reygondeau [France, Norvège] ; Alan Longhurst [France] ; Elodie Martinez [France] ; Gregory Beaugrand [France] ; David Antoine [France, Australie] ; Olivier Maury [France]Source :
- Global Biogeochemical Cycles [ 0886-6236 ] ; 2013-12.
Descripteurs français
- Wicri :
- topic : écosystème, Province.
English descriptors
- KwdEn :
- Adjacent provinces, Animation, Atlantic ocean, Bathymetry, Beaugrand, Bgcp, Bgcp distribution, Bgcp partition, Bgcps, Biogeochemical, Biogeochemical province, Biogeochemical provinces, Biogeography, Biome, Climatic events, Coastal, Continental shelves, December, Decimal degree, Devred, Dynamic biogeochemical provinces, Dynamic biogeochemical provinces figure, Dynamic biogeography, Ecological, Ecological geography, Ecological partition, Ecological provinces, Ecological studies, Ecosystem, Enso, Enso events, Environmental, Environmental characteristics, Environmental conditions, Environmental data sets, Environmental envelope, Environmental envelopes, Environmental factors, Environmental gradients, Environmental parameter, Environmental parameters, Frontal structure, General bathymetric chart, Geographic cell, Geographical cell, Geographical cells, Geographical reference, Geophys, Global, Global biogeochem, Global distribution, Global ocean, Global partition, Global scale, Gulf stream, Gyre, High latitudes, High resolution radiometer, Higher proportion, Index value, India coast, Indian ocean, Indian oceans, Interannual, Interannual changes, International ocean colour, Ioccg, Irwin, Large marine ecosystems, Latitudinal, Longhurst, Longitude, Marine ecoregions, Marine ecosystems, Matrix, Methodology, Minimum number, Monthly climatology, Monthly time series, Nadr, Niche model, Normal conditions, Nppen, Nppen method, Observation density, Ocean dynamics, Oceanic, Oceanic research, Oceanographic features, Oscillation index, Partition, Phytoplankton, Platt, Polar front, Polar provinces, Present methodology, Present study, Primary production, Prog, Province, Province nadr, Recent decades, Recherches halieutiques, Reference bgcp, Reference matrices, Reference matrix, Reference province, Remote sens, Reygondeau, Sathyendranath, Seasonal changes, Seasonal extent, Seasonal extents, Seasonal variability, September, Sheries management, Simpson index, Southern ocean, Spatial distribution, Spatial variability, Subtropical, Subtropical convergence area, Subtropical gyres, Surface salinity, Surface temperature, Surface water masses, Thermocline depth, Time series, Time series analysis, Time variability, Total area, Trade wind biomes, Tropical provinces, Variability, Vichi, Warm pool, Westerlies provinces, Westerly wind biomes, World ocean atlas.
- Teeft :
- Adjacent provinces, Animation, Atlantic ocean, Bathymetry, Beaugrand, Bgcp, Bgcp distribution, Bgcp partition, Bgcps, Biogeochemical, Biogeochemical province, Biogeochemical provinces, Biogeography, Biome, Climatic events, Coastal, Continental shelves, December, Decimal degree, Devred, Dynamic biogeochemical provinces, Dynamic biogeochemical provinces figure, Dynamic biogeography, Ecological, Ecological geography, Ecological partition, Ecological provinces, Ecological studies, Ecosystem, Enso, Enso events, Environmental, Environmental characteristics, Environmental conditions, Environmental data sets, Environmental envelope, Environmental envelopes, Environmental factors, Environmental gradients, Environmental parameter, Environmental parameters, Frontal structure, General bathymetric chart, Geographic cell, Geographical cell, Geographical cells, Geographical reference, Geophys, Global, Global biogeochem, Global distribution, Global ocean, Global partition, Global scale, Gulf stream, Gyre, High latitudes, High resolution radiometer, Higher proportion, Index value, India coast, Indian ocean, Indian oceans, Interannual, Interannual changes, International ocean colour, Ioccg, Irwin, Large marine ecosystems, Latitudinal, Longhurst, Longitude, Marine ecoregions, Marine ecosystems, Matrix, Methodology, Minimum number, Monthly climatology, Monthly time series, Nadr, Niche model, Normal conditions, Nppen, Nppen method, Observation density, Ocean dynamics, Oceanic, Oceanic research, Oceanographic features, Oscillation index, Partition, Phytoplankton, Platt, Polar front, Polar provinces, Present methodology, Present study, Primary production, Prog, Province, Province nadr, Recent decades, Recherches halieutiques, Reference bgcp, Reference matrices, Reference matrix, Reference province, Remote sens, Reygondeau, Sathyendranath, Seasonal changes, Seasonal extent, Seasonal extents, Seasonal variability, September, Sheries management, Simpson index, Southern ocean, Spatial distribution, Spatial variability, Subtropical, Subtropical convergence area, Subtropical gyres, Surface salinity, Surface temperature, Surface water masses, Thermocline depth, Time series, Time series analysis, Time variability, Total area, Trade wind biomes, Tropical provinces, Variability, Vichi, Warm pool, Westerlies provinces, Westerly wind biomes, World ocean atlas.
Abstract
In recent decades, it has been found useful to partition the pelagic environment using the concept of biogeochemical provinces, or BGCPs, within each of which it is assumed that environmental conditions are distinguishable and unique at global scale. The boundaries between provinces respond to features of physical oceanography and, ideally, should follow seasonal and interannual changes in ocean dynamics. But this ideal has not been fulfilled except for small regions of the oceans. Moreover, BGCPs have been used only as static entities having boundaries that were originally established to compute global primary production. In the present study, a new statistical methodology based on non‐parametric procedures is implemented to capture the environmental characteristics within 56 BGCPs. Four main environmental parameters (bathymetry, chlorophyll a concentration, surface temperature, and salinity) are used to infer the spatial distribution of each BGCP over 1997–2007. The resulting dynamic partition allows us to integrate changes in the distribution of BGCPs at seasonal and interannual timescales, and so introduces the possibility of detecting spatial shifts in environmental conditions.
Url:
DOI: 10.1002/gbc.20089
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adjacent provinces</term>
<term>Animation</term>
<term>Atlantic ocean</term>
<term>Bathymetry</term>
<term>Beaugrand</term>
<term>Bgcp</term>
<term>Bgcp distribution</term>
<term>Bgcp partition</term>
<term>Bgcps</term>
<term>Biogeochemical</term>
<term>Biogeochemical province</term>
<term>Biogeochemical provinces</term>
<term>Biogeography</term>
<term>Biome</term>
<term>Climatic events</term>
<term>Coastal</term>
<term>Continental shelves</term>
<term>December</term>
<term>Decimal degree</term>
<term>Devred</term>
<term>Dynamic biogeochemical provinces</term>
<term>Dynamic biogeochemical provinces figure</term>
<term>Dynamic biogeography</term>
<term>Ecological</term>
<term>Ecological geography</term>
<term>Ecological partition</term>
<term>Ecological provinces</term>
<term>Ecological studies</term>
<term>Ecosystem</term>
<term>Enso</term>
<term>Enso events</term>
<term>Environmental</term>
<term>Environmental characteristics</term>
<term>Environmental conditions</term>
<term>Environmental data sets</term>
<term>Environmental envelope</term>
<term>Environmental envelopes</term>
<term>Environmental factors</term>
<term>Environmental gradients</term>
<term>Environmental parameter</term>
<term>Environmental parameters</term>
<term>Frontal structure</term>
<term>General bathymetric chart</term>
<term>Geographic cell</term>
<term>Geographical cell</term>
<term>Geographical cells</term>
<term>Geographical reference</term>
<term>Geophys</term>
<term>Global</term>
<term>Global biogeochem</term>
<term>Global distribution</term>
<term>Global ocean</term>
<term>Global partition</term>
<term>Global scale</term>
<term>Gulf stream</term>
<term>Gyre</term>
<term>High latitudes</term>
<term>High resolution radiometer</term>
<term>Higher proportion</term>
<term>Index value</term>
<term>India coast</term>
<term>Indian ocean</term>
<term>Indian oceans</term>
<term>Interannual</term>
<term>Interannual changes</term>
<term>International ocean colour</term>
<term>Ioccg</term>
<term>Irwin</term>
<term>Large marine ecosystems</term>
<term>Latitudinal</term>
<term>Longhurst</term>
<term>Longitude</term>
<term>Marine ecoregions</term>
<term>Marine ecosystems</term>
<term>Matrix</term>
<term>Methodology</term>
<term>Minimum number</term>
<term>Monthly climatology</term>
<term>Monthly time series</term>
<term>Nadr</term>
<term>Niche model</term>
<term>Normal conditions</term>
<term>Nppen</term>
<term>Nppen method</term>
<term>Observation density</term>
<term>Ocean dynamics</term>
<term>Oceanic</term>
<term>Oceanic research</term>
<term>Oceanographic features</term>
<term>Oscillation index</term>
<term>Partition</term>
<term>Phytoplankton</term>
<term>Platt</term>
<term>Polar front</term>
<term>Polar provinces</term>
<term>Present methodology</term>
<term>Present study</term>
<term>Primary production</term>
<term>Prog</term>
<term>Province</term>
<term>Province nadr</term>
<term>Recent decades</term>
<term>Recherches halieutiques</term>
<term>Reference bgcp</term>
<term>Reference matrices</term>
<term>Reference matrix</term>
<term>Reference province</term>
<term>Remote sens</term>
<term>Reygondeau</term>
<term>Sathyendranath</term>
<term>Seasonal changes</term>
<term>Seasonal extent</term>
<term>Seasonal extents</term>
<term>Seasonal variability</term>
<term>September</term>
<term>Sheries management</term>
<term>Simpson index</term>
<term>Southern ocean</term>
<term>Spatial distribution</term>
<term>Spatial variability</term>
<term>Subtropical</term>
<term>Subtropical convergence area</term>
<term>Subtropical gyres</term>
<term>Surface salinity</term>
<term>Surface temperature</term>
<term>Surface water masses</term>
<term>Thermocline depth</term>
<term>Time series</term>
<term>Time series analysis</term>
<term>Time variability</term>
<term>Total area</term>
<term>Trade wind biomes</term>
<term>Tropical provinces</term>
<term>Variability</term>
<term>Vichi</term>
<term>Warm pool</term>
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<term>Westerly wind biomes</term>
<term>World ocean atlas</term>
</keywords>
<keywords scheme="Teeft" xml:lang="en"><term>Adjacent provinces</term>
<term>Animation</term>
<term>Atlantic ocean</term>
<term>Bathymetry</term>
<term>Beaugrand</term>
<term>Bgcp</term>
<term>Bgcp distribution</term>
<term>Bgcp partition</term>
<term>Bgcps</term>
<term>Biogeochemical</term>
<term>Biogeochemical province</term>
<term>Biogeochemical provinces</term>
<term>Biogeography</term>
<term>Biome</term>
<term>Climatic events</term>
<term>Coastal</term>
<term>Continental shelves</term>
<term>December</term>
<term>Decimal degree</term>
<term>Devred</term>
<term>Dynamic biogeochemical provinces</term>
<term>Dynamic biogeochemical provinces figure</term>
<term>Dynamic biogeography</term>
<term>Ecological</term>
<term>Ecological geography</term>
<term>Ecological partition</term>
<term>Ecological provinces</term>
<term>Ecological studies</term>
<term>Ecosystem</term>
<term>Enso</term>
<term>Enso events</term>
<term>Environmental</term>
<term>Environmental characteristics</term>
<term>Environmental conditions</term>
<term>Environmental data sets</term>
<term>Environmental envelope</term>
<term>Environmental envelopes</term>
<term>Environmental factors</term>
<term>Environmental gradients</term>
<term>Environmental parameter</term>
<term>Environmental parameters</term>
<term>Frontal structure</term>
<term>General bathymetric chart</term>
<term>Geographic cell</term>
<term>Geographical cell</term>
<term>Geographical cells</term>
<term>Geographical reference</term>
<term>Geophys</term>
<term>Global</term>
<term>Global biogeochem</term>
<term>Global distribution</term>
<term>Global ocean</term>
<term>Global partition</term>
<term>Global scale</term>
<term>Gulf stream</term>
<term>Gyre</term>
<term>High latitudes</term>
<term>High resolution radiometer</term>
<term>Higher proportion</term>
<term>Index value</term>
<term>India coast</term>
<term>Indian ocean</term>
<term>Indian oceans</term>
<term>Interannual</term>
<term>Interannual changes</term>
<term>International ocean colour</term>
<term>Ioccg</term>
<term>Irwin</term>
<term>Large marine ecosystems</term>
<term>Latitudinal</term>
<term>Longhurst</term>
<term>Longitude</term>
<term>Marine ecoregions</term>
<term>Marine ecosystems</term>
<term>Matrix</term>
<term>Methodology</term>
<term>Minimum number</term>
<term>Monthly climatology</term>
<term>Monthly time series</term>
<term>Nadr</term>
<term>Niche model</term>
<term>Normal conditions</term>
<term>Nppen</term>
<term>Nppen method</term>
<term>Observation density</term>
<term>Ocean dynamics</term>
<term>Oceanic</term>
<term>Oceanic research</term>
<term>Oceanographic features</term>
<term>Oscillation index</term>
<term>Partition</term>
<term>Phytoplankton</term>
<term>Platt</term>
<term>Polar front</term>
<term>Polar provinces</term>
<term>Present methodology</term>
<term>Present study</term>
<term>Primary production</term>
<term>Prog</term>
<term>Province</term>
<term>Province nadr</term>
<term>Recent decades</term>
<term>Recherches halieutiques</term>
<term>Reference bgcp</term>
<term>Reference matrices</term>
<term>Reference matrix</term>
<term>Reference province</term>
<term>Remote sens</term>
<term>Reygondeau</term>
<term>Sathyendranath</term>
<term>Seasonal changes</term>
<term>Seasonal extent</term>
<term>Seasonal extents</term>
<term>Seasonal variability</term>
<term>September</term>
<term>Sheries management</term>
<term>Simpson index</term>
<term>Southern ocean</term>
<term>Spatial distribution</term>
<term>Spatial variability</term>
<term>Subtropical</term>
<term>Subtropical convergence area</term>
<term>Subtropical gyres</term>
<term>Surface salinity</term>
<term>Surface temperature</term>
<term>Surface water masses</term>
<term>Thermocline depth</term>
<term>Time series</term>
<term>Time series analysis</term>
<term>Time variability</term>
<term>Total area</term>
<term>Trade wind biomes</term>
<term>Tropical provinces</term>
<term>Variability</term>
<term>Vichi</term>
<term>Warm pool</term>
<term>Westerlies provinces</term>
<term>Westerly wind biomes</term>
<term>World ocean atlas</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>écosystème</term>
<term>Province</term>
</keywords>
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<front><div type="abstract">In recent decades, it has been found useful to partition the pelagic environment using the concept of biogeochemical provinces, or BGCPs, within each of which it is assumed that environmental conditions are distinguishable and unique at global scale. The boundaries between provinces respond to features of physical oceanography and, ideally, should follow seasonal and interannual changes in ocean dynamics. But this ideal has not been fulfilled except for small regions of the oceans. Moreover, BGCPs have been used only as static entities having boundaries that were originally established to compute global primary production. In the present study, a new statistical methodology based on non‐parametric procedures is implemented to capture the environmental characteristics within 56 BGCPs. Four main environmental parameters (bathymetry, chlorophyll a concentration, surface temperature, and salinity) are used to infer the spatial distribution of each BGCP over 1997–2007. The resulting dynamic partition allows us to integrate changes in the distribution of BGCPs at seasonal and interannual timescales, and so introduces the possibility of detecting spatial shifts in environmental conditions.</div>
</front>
</TEI>
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