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  • 2020-2024  (12)
Publikationsart
Schlagwörter
Erscheinungszeitraum
Jahr
  • 1
    Publikationsdatum: 2023-01-13
    Beschreibung: Processed data from 8 instruments deployed in a current meter mooring in the equatorial Atlantic. Instrument 1 was an ADCP and instruments 2 to 8 vector averaging current meters (VACM).
    Schlagwort(e): Current velocity, east-west; Current velocity, north-south; DATE/TIME; DEPTH, water; Flag; KPO_0560; MOOR; Mooring; Pressure, water; Sample code/label
    Materialart: Dataset
    Format: text/tab-separated-values, 410408 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 2
    Publikationsdatum: 2023-01-13
    Beschreibung: Processed data from 8 instruments deployed in a current meter mooring in the equatorial Atlantic. Instrument 1 was an ADCP and instruments 2 to 8 vector averaging current meters (VACM).
    Schlagwort(e): Current velocity, east-west; Current velocity, north-south; DATE/TIME; DEPTH, water; Flag; KPO_0561; MOOR; Mooring; Pressure, water; Sample code/label
    Materialart: Dataset
    Format: text/tab-separated-values, 225008 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 3
    Publikationsdatum: 2024-01-02
    Beschreibung: The processing was done as described in Bunge et al. (2008) and in Bourlès Bernard et al (2020): French PIRATA cruises: MOORING ADCP data. SEANOE. https://doi.org/10.17882/51557
    Schlagwort(e): Current velocity, east-west; Current velocity, north-south; DATE/TIME; DEPTH, water; Flag; KPO_0611; MOOR; Mooring; Pressure, water; Sample code/label
    Materialart: Dataset
    Format: text/tab-separated-values, 518944 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 4
    Publikationsdatum: 2024-01-02
    Beschreibung: The processing was done as described in Bunge et al. (2008) and in Bourlès Bernard et al (2020): French PIRATA cruises: MOORING ADCP data. SEANOE. https://doi.org/10.17882/51557
    Schlagwort(e): Current velocity, east-west; Current velocity, north-south; DATE/TIME; DEPTH, water; Flag; KPO_0612; MOOR; Mooring; Pressure, water; Sample code/label
    Materialart: Dataset
    Format: text/tab-separated-values, 1465496 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 5
    Publikationsdatum: 2024-01-02
    Beschreibung: The processing was done as described in Bunge et al. (2008) and in Bourlès Bernard et al (2020): French PIRATA cruises: MOORING ADCP data. SEANOE. https://doi.org/10.17882/51557
    Schlagwort(e): Current velocity, east-west; Current velocity, north-south; DATE/TIME; DEPTH, water; Flag; KPO_0613; MOOR; Mooring; Pressure, water; Sample code/label; Temperature, water
    Materialart: Dataset
    Format: text/tab-separated-values, 1364420 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 6
    Publikationsdatum: 2024-04-20
    Beschreibung: Since 2001, current velocities have been measured continuously as part of a multilateral collaboration, the Prediction and Research Moored Array in the Tropical Atlantic (PIRATA), that regularly services a moored observatory located at 0°N, 23°W. Here, we present an update of 20 years of full-depth current velocity observations at 0°N, 23°W. With the presented current velocity data product, we aim to provide an important and accessible reference data set against which models and reanalysis output could be validated. The velocity time series will also be helpful for studies focusing on long-term climate variability to search for connections with changes in the equatorial circulation over the last 20 years. Earlier versions of this data product have already been used in a variety of studies and provided a significant contribution to an overall improved understanding of equatorial ocean dynamics. The moored observatory at 0°N, 23°W is an ongoing example of a successful multinational collaboration extending over more than two decades.
    Schlagwort(e): Climate - Biogeochemistry Interactions in the Tropical Ocean; Equatorial Atlantic; Physical oceanographic data; PIRATA; Prediction and Research Moored Array in the Tropical Atlantic; RACE; Regional Atlantic Circulation and global Change; SFB754; TRIATLAS; Tropical and South Atlantic climate-based marine ecosystem predictions for sustainable management
    Materialart: Dataset
    Format: 24 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 7
    Publikationsdatum: 2024-04-20
    Schlagwort(e): Binary Object; Binary Object (File Size); Binary Object (Media Type); Climate - Biogeochemistry Interactions in the Tropical Ocean; Description; Equatorial Atlantic; Physical oceanographic data; PIRATA; Prediction and Research Moored Array in the Tropical Atlantic; RACE; Regional Atlantic Circulation and global Change; SFB754; TRIATLAS; Tropical and South Atlantic climate-based marine ecosystem predictions for sustainable management
    Materialart: Dataset
    Format: text/tab-separated-values, 2 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 8
    Publikationsdatum: 2024-04-20
    Beschreibung: Since 2001, current velocities have been measured continuously as part of a multilateral collaboration, the Prediction and Research Moored Array in the Tropical Atlantic (PIRATA), that regularly services a moored observatory located at 0°N, 23°W. Here, we present 20 years of full-depth current velocity observations at 0°N, 23°W. With the presented current velocity data product, we aim to provide an important and accessible reference data set against which models and reanalysis output could be validated. The velocity time series will also be helpful for studies focusing on long-term climate variability to search for connections with changes in the equatorial circulation over the last 20 years. Earlier versions of this data product have already been used in a variety of studies and provided a significant contribution to an overall improved understanding of equatorial ocean dynamics. The moored observatory at 0°N, 23°W is an ongoing example of a successful multinational collaboration extending over more than two decades.
    Schlagwort(e): Climate - Biogeochemistry Interactions in the Tropical Ocean; Enhancing Prediction of Tropical Atlantic Climate and its Impact; Equatorial Atlantic; Physical oceanographic data; PIRATA; Prediction and Research Moored Array in the Tropical Atlantic; PREFACE; RACE; Regional Atlantic Circulation and global Change; SFB754; TRIATLAS; Tropical and South Atlantic climate-based marine ecosystem predictions for sustainable management
    Materialart: Dataset
    Format: 23 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 9
    Publikationsdatum: 2024-02-07
    Beschreibung: Several years of moored turbulence measurements from xpods at three sites in the equatorial cold tongues of Atlantic and Pacific Oceans yield new insights into proxy estimates of turbulence that specifically target the cold tongues. They also reveal previously unknown wind dependencies of diurnally varying turbulence in the near-critical stratified shear layers beneath the mixed layer and above the core of the Equatorial Undercurrent that we have come to understand as deep cycle (DC) turbulence. Isolated by the mixed layer above, the DC layer is only indirectly linked to surface forcing. Yet, it varies diurnally in concert with daily changes in heating/cooling. Diurnal composites computed from 10-min averaged data at fixed xpod depths show that transitions from daytime to nighttime mixing regimes are increasingly delayed with weakening wind stress t. These transitions are also delayed with respect to depth such that they follow a descent rate of roughly 6 m h-1, independent of t. We hypothesize that this wind-dependent delay is a direct result of wind-dependent diurnal warm layer deepening, which acts as the trigger to DC layer instability by bringing shear from the surface down-ward but at rates much slower than 6 m h-1. This delay in initiation of DC layer instability contributes to a reduction in daily averaged values of turbulence dissipation. Both the absence of descending turbulence in the sheared DC layer prior to arrival of the diurnal warm layer shear and the magnitude of the subsequent descent rate after arrival are roughly predicted by laboratory experiments on entrainment in stratified shear flows.
    Materialart: Article , PeerReviewed , info:eu-repo/semantics/article
    Format: text
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 10
    Publikationsdatum: 2024-02-07
    Beschreibung: Multiyear turbulence measurements from oceanographic moorings in equatorial Atlantic and Pacific cold tongues reveal similarities in deep cycle turbulence (DCT) beneath the mixed layer (ML) and above the Equatorial Undercurrent (EUC) core. Diurnal composites of turbulence kinetic energy dissipation rate, ϵ, clearly show the diurnal cycles of turbulence beneath the ML in both cold tongues. Despite differences in surface forcing, EUC strength and core depth DCT occurs, and is consistent in amplitude and timing, at all three sites. Time-mean values of ϵ at 30 m depth are nearly identical at all three sites. Variations of averaged values of ϵ in the deep cycle layer below 30 m range to a factor of 10 between sites. A proposed scaling in depth that isolates the deep cycle layers and of ϵ by the product of wind stress and current shear collapses vertical profiles at all sites to within a factor of 2.
    Materialart: Article , PeerReviewed , info:eu-repo/semantics/article
    Format: text
    Standort Signatur Einschränkungen Verfügbarkeit
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