Agulhas current.

Dec 15, 2023 · The Agulhas Current, like other western boundary currents (WBCs), transports nutrients laterally from the tropics to the subtropics in a subsurface “nutrient stream.” These nutrients are predominantly supplied to surface waters by seasonal convective mixing, to fuel a brief period of productivity before phytoplankton become nutrient-limited. The Agulhas Current is the largest Western Boundary Current in the world's oceans, with an estimated net transport of 70 Sverdrups (70 million cubic meters per ...The Agulhas Current (AC) is a critical component of global ocean circulation. However, due to a lack of multi-decadal observations, it is not clear how the AC has changed in response to ...Jan 1, 2017 · Abstract Strong upwelling events inshore of the Agulhas Current close to 33.5°S are investigated. These events are important to the exchange of shelf and slope waters, potentially enhancing primary productivity and advecting larvae offshore. Using hydrographic observations, this study shows that a wind-driven upwelling event and a current-driven upwelling event can each advect central waters ...

The Agulhas Current core (southwest speeds >1 m·s −1) is shown as a red V-shaped contour and its horizontal shear at the surface is represented by gray velocity vectors measured by the ship-mounted acoustic Doppler current profiler. The horizontal dark gray contour represents the typical depth of the winter mixed layer, which generally ...

Nov 9, 2016 · The Agulhas Current has not intensified since the early 1990s, but has instead broadened as a result of more eddy activity. Climate models suggest that global wind systems will continue to expand ... Agulhas Leakage. The Agulhas Current is the strong western boundary current of the South Indian Ocean. It flows southward along the east coast of southern Africa, but when it passes the southern tip of South Africa, it makes a tight turn (retroflects) and flows back into the Indian Ocean. However, this retroflection short-circuits every few ...

noun - The Agulhas Current is the western boundary current of the southwest Indian Ocean. It flows down the east coast of Africa from 27°S to 40°S. It is narrow, swift and strong. It is even suggested that the Agulhas is the largest western boundary current in the world ocean, with an estimated net transport of 70 Sverdrups (Sv, millions m3/s ...The core of the Agulhas Current is steered by the shelf break (200 m isobaths) along the southeast coast of South Africa. It is the strongest western boundary current in the Southern Hemisphere. The mean position of the Agulhas Retroflection lies between 16° and 20°E and between 38° and 41°S [ 2 ]. A detailed study of the mesoscale structure and variability of the upper 500 m layer of the Agulhas Current off Durban has shown that the Agulhas Current is ...The Agulhas Current (AC) western boundary system is unique, in that it retroflects, with a small portion of the current feeding into the South Atlantic in the form of Agulhas Rings and filaments (estimates ranging from 10–40 Sv, (Gordon, 1986, Speich et al., 2001, van Sebille et al., 2010, Richardson, 2007)) and the majority of the current ...Location of the Agulhas Current system and palaeoclimate archives used as a reference. Base map illustrates Southern Hemisphere annual mean surface temperatures compiled using the Ocean Data View ...

The Agulhas Current provides an ideal natural laboratory to test new remote sensing products such as the ASAR range-directed surface current velocities. With a mean transport of about 70 Sverdrup (1 Sverdrup = 10 6 m 3.s −1) and surface current speeds at times greater than 2 m s −1, ...

Mar 16, 2009 · The Agulhas Current influences rainfall patterns and weather systems in southern Africa. A part of the warm waters are transported around South Africa into the South Atlantic and influence the ...

The Agulhas Current core (southwest speeds >1 m·s −1) is shown as a red V-shaped contour and its horizontal shear at the surface is represented by gray velocity vectors measured by the ship-mounted acoustic Doppler current profiler. The horizontal dark gray contour represents the typical depth of the winter mixed layer, which generally ...Abstract Coupled ocean–atmosphere simulations are carried out for the Mozambique Channel, the Agulhas Current system, and the Benguela upwelling system to assess the ocean surface current feedback to the atmosphere and its impact on the Agulhas Current (AC) retroflection and leakage. Consistent with previous studies, the …Jun 1, 2005 · Using a year-long moored array of current meters and well-sampled synoptic sections, we define the variability and mean structure and transport of the Agulhas current. Nineteen current meter records indicate that time scales for the temporal variability in the alongshore and offshore velocities are 10.2 and 5.4 days, respectively. Good vertical correlation exists between the alongshore or ... Jul 19, 2017 ... The Agulhas Current transports warm tropical Indian Ocean water southwards along the South African coast. It modulates the rainfall along the ...The ruler of the east is the Agulhas Current, the African equivalent of the Gulf Stream, sliding southward at up to five miles an hour (eight kilometers an hour) and shifting warm Indian Ocean ...

阿古拉斯洋流（Agulhas current）是印度洋西南部的西边界流（western boundary current），沿着非洲东岸从27°S 流至 40°S。 该洋流窄、急而强；有人甚至认为它可能是 世界大洋 中最大的西边界流，其净流量大概为100 斯维尔德鲁普 (Sv)，其它可与之相比的西边界流流量都 ... Mozambique Current. The Mozambique Current is an ocean current in the Indian Ocean, usually defined as warm surface waters flowing south along the African east coast in the Mozambique Channel, between Mozambique and the island of Madagascar . The classical definition of the Mozambique Current is that it is a strong, steady, western boundary ...阿古拉斯洋流（Agulhas current）是印度洋西南部的西边界流（western boundary current），沿着非洲东岸从27°S 流至 40°S。 该洋流窄、急而强；有人甚至认为它可能是 世界大洋 中最大的西边界流，其净流量大概为100 斯维尔德鲁普 (Sv)，其它可与之相比的西边界流流量都 ... The Agulhas Current also plays a critical role in global ocean circulation which is why it’s considered important for climatic conditions across the world. This is due to a process known as the Agulhas Leakage. The current flows along the east coast of South Africa and then turns back on itself flowing into the Indian Ocean.Nov 1, 2006 · Abstract Recent observations taken at four principal latitudes in the Agulhas Current show that the watermass properties on either side of its dynamical core are significantly different. Inshore of its velocity core are found waters of predominantly Arabian Sea, Red Sea, and equatorial Indian Ocean origin, while offshore waters are generally from the Atlantic Ocean, the Southern Ocean, and the ... 1. Introduction [2] The Agulhas Current (AC) is the most intense western boundary current of the southern hemisphere and a key component of the global climate [Beal et al., 2011].Despite its importance at both global and regional scales, little remains known of the AC's variability with an ongoing debate on its seasonality.

The Agulhas Current, which is the western boundary current of the South Indian Ocean, is here considered as an integral part of the subtropical gyre whose ...

Ocean current. Distinctive white lines trace the flow of surface currents around the world. Visualization showing global ocean currents from January 1, 2010, to December 31, 2012, at sea level, then at 2,000 m (6,600 ft) below sea level. An ocean current is a continuous, directed movement of seawater generated by a number of forces acting upon ...This may have an impact on the magnitude of the Agulhas Current leakage (Figure 1j; Beal et al., 2011), which regulates the exchanges between the Indian and the Atlantic Oceans (Talley, 2013). On the other hand, the EMC is also connected with the SICC (Menezes et al., 2016). The SICC is a shallow permanent current flowing from …Sep 21, 2022 · The Agulhas Current is a powerful and complex ocean current system in the Indian Ocean, off the coast of South Africa, that influences local weather and climate in the Southern Hemisphere and beyond. However, its long-term monitoring and research are hampered by a lack of data, funding and resources, and the current is not well understood by the global scientific community. Oct 2, 2015 ... First Paragraph. The ocean is composed of interlocking regions, each with their own unique characteristics and advocates. All are special and ...noun - The Agulhas Current is the western boundary current of the southwest Indian Ocean. It flows down the east coast of Africa from 27°S to 40°S. It is narrow, swift and strong. It is even suggested that the Agulhas is the largest western boundary current in the world ocean, with an estimated net transport of 70 Sverdrups (Sv, millions m3/s ...The Agulhas Current system has a profound impact on regional weather and climate and on the marine ecosystem [ Lutjeharms, 2006 ]. It creates a coastal …Western boundary currents—such as the Agulhas Current in the Indian Ocean—carry heat poleward, moderating Earth’s climate and fuelling the mid-latitude storm tracks 1, 2. They could exacerbate...This is the first continuous record of hydrographic variability (SST; δ18Osw) from the Agulhas Current core region spanning the past 270,000 years. The data set ...Feb 14, 2014 ... This visualization from January 1, 2011 to December 31, 2013 shows sea surface temperatures (SST) associated with the Agulhas Current near ...

The Agulhas Current ( / əˈɡʌləs /) is the western boundary current of the southwest Indian Ocean. It flows south along the east coast of Africa from 27°S to 40°S. It is narrow, swift and strong.

The Agulhas Current is the largest and strongest Western Boundary Current (WBC) in the Southern Hemisphere (Roberts et al., 2010; Bryden et al., 2005).It flows southwestward along the east coast of South Africa (Fig. 1), forming the intensified western limb of the South Indian Ocean subtropical gyre (Imawaki et al., 2013).The Agulhas …

Dec 14, 2022 · The Agulhas Current system is realistically simulated by BRAN2020, but the representation of Agulhas leakage has not been analyzed in detail 67. It is noteworthy that, in contrast to the non ... The Agulhas Current system has a profound impact on regional weather and climate and on the marine ecosystem [Lutjeharms, 2006]. It creates a coastal dynamic upwelling. Agulhas water leakage around South Africa controls the exchange of heat and salt between the Indian and Atlantic Oceans and has a role in the Atlantic meridional …Nov 26, 2022 ... southern Indian Ocean Agulhas Current, surface oceanic current that forms the western boundary current of the southern Indian Ocean.Jan 6, 2024 ... 2018). The results confirmed earlier work that the core of the Agulhas Current is associated with sharp gradients in SST and sea-level pressure, ...The Agulhas Current is the major western boundary current of the Southern Hemisphere. South of Africa it retroflects back into the southwest Indian Ocean, transporting relatively warm water into ...1. Introduction [2] The Agulhas Current (AC) is the most intense western boundary current of the southern hemisphere and a key component of the global climate [Beal et al., 2011].Despite its importance at both global and regional scales, little remains known of the AC's variability with an ongoing debate on its seasonality.Jan 1, 2017 · Abstract Strong upwelling events inshore of the Agulhas Current close to 33.5°S are investigated. These events are important to the exchange of shelf and slope waters, potentially enhancing primary productivity and advecting larvae offshore. Using hydrographic observations, this study shows that a wind-driven upwelling event and a current-driven upwelling event can each advect central waters ...

The Agulhas Current retroflection 6 The southern termination of the Agulhas Current is unique for a western boundary current in this respect that it takes place at the meridional extremity of the adjacent continent. This is unlike the continental con-straints to which the comparable Gulf Stream, the Kuroshio or the Brazil Currents are subject ...The mean Agulhas Current transport estimated from time-series current meter measurements is used to constrain the geostrophic transport in the western boundary region in order to re-evaluate the circulation, heat and freshwater transports across 32°S. The Indonesian Throughflow is taken to be 12 Sv at an average temperature of 18°C.the Agulhas Current, the Agulhas Retroflection, the Agulhas Return Current, the generation of Agulhas Rings and their drift into the South Atlantic [Penven et al., 2006]. For this inter-annual simulation, the model is forced by the 1958– 2001 SODA ocean reanalysis [Carton et al., 2005] with a temporal sampling of 1 month at its open ...Instagram:https://instagram. indigopaints share pricesoundlcoud downloadernote card makergun to the head Off the east coast of South Africa, robotic ocean gliders deployed in the Agulhas Current capture new data that help us better understand how energy dissipates in the ocean. by M. Krug, S. Swart ... bitcoins store near mebite force of a lion Meanders in the Agulhas Current (Lutjeharms, 2006) with an offshore extent of 30–300 km, propagate south-westwards along the east coast of South Africa (Fig. 1).They generally form off KwaZulu-Natal and to the north, but they may also form downstream of Algoa Bay (Lutjeharms et al., 1989).Very large solitary meanders, with amplitudes of … download torrent movie downloader for pc The Agulhas Current (AC)—the subtropical western boundary current of the Southern Indian Ocean (e.g., Imawaki et al., 2013; Lutjeharms, 2006)—flows poleward along the eastern coast of South Africa with a mean volume transport up to 84 Sv (1 Sv = 10 6 m s −3) and the maximum surface velocity exceeding 2 m s −1 (Beal & Bryden, 1999; …The core of the Agulhas Current is steered by the shelf break (200 m isobaths) along the southeast coast of South Africa. It is the strongest western boundary current in the Southern Hemisphere. The mean position of the Agulhas Retroflection lies between 16° and 20°E and between 38° and 41°S [ 2 ]. The Agulhas Current (/əˈɡʌləs/) is the western boundary current of the southwest Indian Ocean. It flows south along the east coast of Africa from 27°S to 40°S. It is narrow, swift and strong. It is suggested that it is the largest western boundary current in the world ocean, with an estimated net tr