Analysis of internal soliton signals and their eastward propagation in the Alboran Sea: exploring the effect of subinertial forcing and fortnightly variability

Bolado-Penagos, Marina; Sala, Iria; Gomiz-Pascual, Juan Jesús; González, Carlos J.; Izquierdo, Alfredo; Álvarez, O.; Vázquez, Águeda; Bruno, Miguel; Haren, Hans van

doi:10.1016/j.pocean.2023.103077

Cited by 6 publications

(5 citation statements)

References 55 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…10.1029/2023JC020152 computation takes into account the angle between the wave front and the moorings orientation which is about 80°( see inset in Figure 2b). The typical time scale of the depression wave is around 30 min, providing a wavelength of 3,240 m, larger than the one of I-waves whose typical wavelength is less than 1 km (Armi & Farmer, 1988;Bolado-Penagos et al, 2023;Wesson & Gregg, 1994). The amplitude of the trough at the 1,030 kg/m 3 pycnocline is about 65 m (Figure 4b).…”

Section: Journal Of Geophysical Research: Oceansmentioning

confidence: 94%

“…Since the control is tide-induced, the slackening of the tidal flood releases the hydraulic jump that propagates eastward as a bore. The highly non-linear dynamics associated with such a process gives rise to non linear internal solitary waves (ISWs) propagating toward the Mediterranean Sea (Bolado-Penagos et al, 2023;Sánchez-Garrido et al, 2008;Vlasenko et al, 2009;Ziegenbein, 1969Ziegenbein, , 1970.…”

Section: Introductionmentioning

confidence: 99%

“…The arrival of remote sensing tools made it possible to observe the horizontal structure of these waves propagating toward the Mediterranean sea (Alpers et al, 1996;Gomez-Enri et al, 2007;Richez, 1994;Watson & Robinson, 1990). ISWs are associated with noticeable vertical currents and isopycnal displacements of typically one hundred meters (Armi & Farmer, 1988;Bolado-Penagos et al, 2023;Ziegenbein, 1969). The strong vertical current triggers convergence/ divergence zones at the surface, associated with the front of the waves, which are the basis for its optical detection from satellites.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Evidence of Reflected Internal Solitary Waves in the Strait of Gibraltar

Roustan,

Bordois,

Garciá‐Lafuente

et al. 2024

JGR Oceans

View full text Add to dashboard Cite

Large‐amplitude internal solitary waves (ISWs) propagating eastward toward the Alboran Sea have long been known in the Strait of Gibraltar. New in‐situ data and satellite images evidence northwestward propagating ISWs. These waves are probably the reflection of the well‐known eastward propagating wave along the Moroccan shelf. A simple 2D‐vertical section, run with the compressible non‐hydrostatic Coastal and Regional Ocean COmmunity model, illustrates that the Moroccan slope is conducive to reflection of incident solitary waves of amplitude observed in the Strait of Gibraltar. A clear signature of these waves in the Tarifa high‐frequency sea level oscillations is depicted that paves the way to studies of the seasonality of ISWs in the Strait of Gibraltar with the long‐time series of sea level at Tarifa. The polarity of the reflected waves, observed with Acoustic Doppler Current Profilers/Conductivity‐Temperature‐Depth array moorings, presents a slight variability possibly due to the internal tide oscillations. The reflected ISWs arrives at the mooring location in phase with the peak of the internal tide. For the strongest tide, the pynocline approaches a critical point where the polarity of the ISWs might reverse.

show abstract

Section: Journal Of Geophysical Research: Oceansmentioning

confidence: 94%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Evidence of Reflected Internal Solitary Waves in the Strait of Gibraltar

Roustan,

Bordois,

Garciá‐Lafuente

et al. 2024

JGR Oceans

View full text Add to dashboard Cite

show abstract

“…There are several explanations for the high productivity of the northern Alboran Sea. On one hand, there is an intense mixing of Atlantic and Mediterranean waters within the Strait of Gibraltar favoured by the strong velocity shear between both currents and the large vertical displacements associated to internal tides (Bolado-Penagos et al, 2023). This mixing is able to fertilize the Atlantic Waters flowing into the Alboran Sea, enhancing the primary production of the surface waters that flow in a northeast direction into the Alboran Sea, approaching its northern coast (Macías et al, 2007(Macías et al, , 2014.…”

Section: Tablementioning

confidence: 99%

A Method to Establish Marine Bio-Regions in the Pelagic Ecosystem Based on Phytoplanktonic Communities. Aplication to the Southern Spanish Coast

Vargas-Yáñez,

Reeves-Bueno,

Fernández-Topham

et al. 2023

Preprint

View full text Add to dashboard Cite

“…In addition, a large array of instruments can be used to sample spatial signals over a long period. However, this deployment would result in a heavy financial burden [42][43][44].…”

Section: Introductionmentioning

confidence: 99%

A Spatial Correlation Identification Model for Coherent Structure Extraction and Three-Dimensional Visualization

Mao,

Yang,

Sun

et al. 2024

JMSE

View full text Add to dashboard Cite

Multi-scale coherent structures have been observed in ocean currents, which are induced by the interaction of shear flows with different velocities. Understanding the spatial configuration and scale characteristics of coherent structures will promote the explanation of physical ocean phenomena. Considering the self-similarity, we propose a spatial correlation identification model for coherent structure extraction and three-dimensional visualization based on the wavelet transform and time-dependent intrinsic correlation method. The spatial and scale distributions of coherent structures are related to the dissipation rate variation. Most large-scale coherent structures, with the largest length scale of 13 m, are found to exist in stable fluid, such as the water column below 50 m. However, small-scale structures are found in chaotic fluids, such as the upper layer. Furthermore, we found that coherent structures of different scales coexist simultaneously in the same depth range, indicating a simultaneous multi-scale structure pattern for turbulent flow investigations.

show abstract

Analysis of internal soliton signals and their eastward propagation in the Alboran Sea: exploring the effect of subinertial forcing and fortnightly variability

Cited by 6 publications

References 55 publications

Evidence of Reflected Internal Solitary Waves in the Strait of Gibraltar

Evidence of Reflected Internal Solitary Waves in the Strait of Gibraltar

A Method to Establish Marine Bio-Regions in the Pelagic Ecosystem Based on Phytoplanktonic Communities. Aplication to the Southern Spanish Coast

A Spatial Correlation Identification Model for Coherent Structure Extraction and Three-Dimensional Visualization

Contact Info

Product

Resources

About