Last edited by Gat
Thursday, July 16, 2020 | History

9 edition of The Agulhas Current found in the catalog.

The Agulhas Current

by J.R.E. Lutjeharms

  • 130 Want to read
  • 11 Currently reading

Published by Springer .
Written in English

    Subjects:
  • Oceanography (seas),
  • Science/Mathematics,
  • Science,
  • Earth Sciences - Oceanography,
  • Indian Ocean,
  • Indischer Ozean,
  • Ocean Currents,
  • Ozeanströmung,
  • Schelfzirkulation,
  • Science / Oceanography,
  • Shelf Circulation,
  • Wassermasse,
  • Water Masses,
  • Geophysics

  • The Physical Object
    FormatHardcover
    Number of Pages330
    ID Numbers
    Open LibraryOL9057389M
    ISBN 103540423923
    ISBN 109783540423928

    For a weak Agulhas Current, friction is dominant, and if the Munk boundary layer is thick enough it is possible to have retroflection due to “frictional choking.” When friction decreases, the Agulhas Current becomes stronger and the Munk boundary layer width decreases, leading to an inertial retroflection.   It’s a continent that is 4,km away from Cape Town on a route that follows and traverses one of the fastest current in the world, the Agulhas. This time, though, the SA Agulhas II .

      The Agulhas Current runs close to the shore along the continental shelf and can build up to speeds of 5 knots. It is generally not very wide, usually less than 50 miles, but can be double this. Where the Indian and Atlantic oceans actually meet has been the topic of many heated arguments among South Africans. To root of the confusion is that the point at which the Agulhas current meets the Benguela current tends to fluctuate seasonally between Cape Agulhas and Cape Point, about kilometers east of the Cape of Good Hope.

      The Agulhas Current has not intensified since the early s, but has instead broadened as a result of more eddy activity. Climate models suggest that global wind systems will continue to expand. The Agulhas Current and the Agulhas Retroflection can give rise to immense "rogue waves" that can even threaten supertankers. For that reason, mariners who successfully navigated the Cape of Good Hope frequently breathed a sigh of relief.


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The Agulhas Current by J.R.E. Lutjeharms Download PDF EPUB FB2

The author has succeeded in writing a book that will be considered a standard work for years to come. The book is very well written, nicely bound, and looks extremely attractive inside and out.

This book is a must for everyone working in or on the greater Agulhas Current system." (Will P. de Ruijter, Eos, Vol. 89 (10), )Cited by: Get this from a library. The Agulhas current. [J R E Lutjeharms] -- "A total of more than publications, covering a period from to the present, have been scrutinised and their contents integrated The Agulhas Current book give the reader an authoritative and up to date overview of.

The author has succeeded in writing a book that will be considered a standard work for years to come. The book is very well written, nicely bound, and looks extremely attractive inside and out.

This book is a must for everyone working in or on the greater Agulhas Current system." (Will P. de Ruijter, Eos, Vol. 89 (10), ). About this book. Introduction. The Agulhas Current is one of the major currents of the world ocean.

In the network of currents that connect the major ocean basins, it forms a key link. This linkage may be of critical importance in the way the ocean affects the earth's climate and climate change. Based on the research findings of 60 years, the.

Only 60 miles ( km) wide, the Agulhas Current is estimated to flow at an average rate of to miles ( to km) per hour.

Its velocity depends on variations in the equatorial current velocity, which in turn change with location, depth, and season.

One of the fastest-flowing currents in any ocean, it reaches an estimated top speed of The Agulhas Current book ( km) per hour off the southeast. The Agulhas Current takes its name from the point of the cape, called Cabo das Agulhas (or Cape of Needles) by later Portuguese seafarers.

There are two dominant views on why this name was chosen. The first claims that the sharp rocks and reefs offshore were often described as needles, which combined with the treacherous currents to claim many. Despite this, ships returning to Europe from the East Indies had to come this way, and they used the Agulhas Current to help them come south down Africa's east coast and round the cape.

This current was the highway upon which the Dutchmen must sail to make their westings and this was the gateway through which all must pass who sought to. Sea level observations suggest that western boundary currents, such as the Gulf Stream, contribute to coastal sea-level variability and rise.

Since the influence of the Agulhas Current on coastal sea-level variability and rise has not yet been quantified, this study considers how variations in the transport and position of this current affect sea-level variability along the South African coast.

Sea level observations suggest that western boundary currents, such as the Gulf Stream, contribute to coastal sea-level variability and rise.

Since th. This Agulhas Current follows the east African subcontinental shelf from Maputo to the tip of the Agulhas Bank, or Cabo das Agulhas (Cape of Needles), where the swiftly south flowing current slams into the western African currents stemming from the Angola current, a strong current running south along the western African coast—this latter cuirrent was the one early Portuguese sailors used.

He also compared the properties of the Agulhas Current and the Gulf Stream and described the Agulhas Current as a branch of the Atlantic circulation. WikiMatrix These types of mesoscale eddies have been observed in many of major ocean currents, including the Gulf Stream, the Agulhas Current, the Kuroshio Current, and the Antarctic Circumpolar.

The Agulhas current. [J R E Lutjeharms] -- The Agulhas Current is one of the major currents of the world ocean. Electronic books: Additional Physical Format: Print version: Lutjeharms, J.R.E.

Agulhas current. [Cape Town]: Springer, © (OCoLC) Material Type: Document, Internet resource: Document Type: Internet Resource. 1 Introduction.

The Agulhas Current is the strongest southern hemisphere western boundary current, transporting around 70 Sverdrup (Sv, 1Sv = 10 6 m 3 s −1; Beal & Bryden, ) of warm Indian Ocean water along the southeast coast of for the Gulf Stream and the Kuroshio, the Agulhas Current is warmer than the surrounding ocean, and this leads to high turbulent sensible.

The changing current speeds are related features of the large Agulhas Current. This warm, narrow and fast current flows down the East coast of Africa from from 27°S to 40°S, reaching the southern tip of the continent and interacting there with the mains currents of the West Wind Drift, flowing Eastwards along the South Atlantic and the.

The interannual eddy kinetic energy modulations in the Agulhas Return Current region are affected by the upstream Agulhas Current volume transports mainly via the barotropic instability. The wind stress curl forcing in the subtropical Indian Ocean is regarded as the major factor to modulate the Agulhas Current volume transport.

This article is based on the book chapter “Meyer, I., L. Braby, M. Krug and B. Backeberg (), Mapping the ocean current strength and persistence in the Agulhas to inform marine energy development, In Marine Renewable Energy: Resource Characterization and Physical Effects, Springer, Cham.”.

Cycle calendar (past and current missions) Calendar days or julian days; Product information. Aviso+ user handbooks; Data format; Citation and Aviso+ products licence; Information about mono and multi-mission processing; Updates and reprocessing; CALVAL.

Overview; Latest results; Missions performances; In-situ; Wind/Waves; Cryosphere; Orbit. Coast B&B provides accommodation with free WiFi in Agulhas, conveniently situated metres from SANP Office (Agulhas National Park).

The property is a 3-minute walk from L'Agulhas Lighthouse Info. The accommodation offers two public outdoor saltwater tidal pools. Bird watching, swimming, fishing and hiking are among the activities that guests of Coast B&B can find nearby.

The remainder of the waters of the Agulhas Current flows back into the South Indian Ocean as the Agulhas Return Current see Fig. 1.Ž. The trajectory of the Agulhas Return Current has not, to date, been determined with any degree of reliability and may in fact be very variable.

Drifting buoys have shown Grundlingh, ; Daniault andŽ ¨. The average ship-drift derived surface velocity plot shows two major source regions for the Agulhas current: (1) from the Mozambique channel to the north and along the coast; and (2) from the east including a major contribution from the Madagascar current.

The average SST image shows the Agulhas current bringing warm water poleward. The Agulhas Current time series (ACT) array (Beal et al. ) is designed to produce a hydrographic record of the Agulhas Current that can be used to calibrate a coincident altimetry track for long-term monitoring.

Because of the inferred anticorrelation between current transport and leakage.Easy Webs The Agulhas Current PDF books. Free Register. The Agulhas Current. The Agulhas Current is one of the major currents of the world ocean. In the network of currents that connect the major ocean basins, it forms a key link.

This linkage may be of critical importance in the way the ocean affects the earth's climate and climate change. The Agulhas current system around South Africa forms a key component of the global thermohaline ocean circulation.

Through what is known as the Agulhas leakage, the current .