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Java Sea

The Java Sea (Indonesian: Laut Jawa, Javanese: Segara Jawa) is an extensive shallow sea on the Sunda Shelf, between the Indonesian islands of Borneo to the north, Java to the south, Sumatra to the west, and Sulawesi to the east. Karimata Strait to its northwest links it to the South China Sea. It is a part of the western Pacific Ocean.[1][2]

Java Sea
Location of the Java Sea
Java Sea
LocationSunda Shelf
Coordinates5°S 110°E / 5°S 110°E / -5; 110
TypeSea
Primary inflowsBarito, Bengawan Solo, Brantas, Ciliwung, Cimanuk, Citarum, Kahayan, Musi, Sampit River
Basin countriesIndonesia
Max. length1,600 km (990 mi)
Max. width380 km (240 mi)
Surface area320,000 km2 (120,000 sq mi)
Average depth46 m (151 ft)
SettlementsBatulicin, Cirebon, Jakarta, Jepara, Makassar, Pekalongan, Probolinggo, Semarang, Surabaya, Tanjung Pandan, Tegal, Toboali, Tuban

Geography edit

The Java Sea covers the southern section of the 1,790,000 km2 (690,000 sq mi) Sunda Shelf. A shallow sea, it has a mean depth of 46 m (151 ft). It measures about 1,600 km (990 mi) east-west by 380 km (240 mi) north-south[3] and occupies a total surface area of 320,000 km2 (120,000 sq mi).

It formed as sea levels rose at the end of the last ice age.[4] Its almost uniformly flat bottom, and the presence of drainage channels (traceable to the mouths of island rivers), indicate that the Sunda Shelf was once a stable, dry, low-relief land area (peneplain) above which were left standing a few monadnocks (granite hills that, due to their resistance to erosion, form the present islands).

Extent edit

The International Hydrographic Organization (IHO) defines the Java Sea as one of the waters of the East Indian Archipelago, with the following criteria:[5]

On the North. By the Southern limit of the South China Sea [Lucipara Point (3°14′S 106°05′E / 3.233°S 106.083°E / -3.233; 106.083) thence to Tanjong Nanka, the Southwest extremity of Bangka Island, through this island to Tanjong Berikat the Eastern point (2°34′S 106°51′E / 2.567°S 106.850°E / -2.567; 106.850), on to Tanjong Djemang (2°36′S 107°37′E / 2.600°S 107.617°E / -2.600; 107.617) in Billiton, along the North coast of this island to Tanjong Boeroeng Mandi (2°46′S 108°16′E / 2.767°S 108.267°E / -2.767; 108.267) and thence a line to Tanjong Sambar (3°00′S 110°19′E / 3.000°S 110.317°E / -3.000; 110.317) the Southwest extreme of Borneo], the South coast of Borneo and the Southern limit of Makassar Strait [By a line from the Southwestern extreme of Celebes (5°37′S 119°27′E / 5.617°S 119.450°E / -5.617; 119.450), through the Southern point of Tana Keke, to the Southern extreme of Laoet (4°06′S 116°06′E / 4.100°S 116.100°E / -4.100; 116.100) thence up the West coast of that island to Tanjong Kiwi and thence across to Tanjong Petang, Borneo (3°37′S 115°57′E / 3.617°S 115.950°E / -3.617; 115.950) at the Southern end of Laoet Strait].

On the East. By the Western limit of Flores Sea [A line from Tg Sarokaja (8°22′S 117°10′E / 8.367°S 117.167°E / -8.367; 117.167) to the Western Paternoster island (7°26′S 117°08′E / 7.433°S 117.133°E / -7.433; 117.133) thence to the Northeastern Postiljon Island (6°33′S 118°49′E / 6.550°S 118.817°E / -6.550; 118.817) and to the West point of Laikang Bay, Celebes].

On the South. By the Northern and Northwestern limits of Bali Sea [A line from the Western Paternoster Island to the East point of Sepandjang and thence through this island to the West point of Gedeh Bay on the South coast of Kangean (7°01′S 115°18′E / 7.017°S 115.300°E / -7.017; 115.300). A line from the West point of Gedeh Bay, Kangean Island, to Tg Sedano, the Northeast extreme of Java and down the East coast to Tg Bantenan, the Southeast extreme of the island], the North and West coasts of Java to Java Hoofd (6°46′S 105°12′E / 6.767°S 105.200°E / -6.767; 105.200) its Western point, and thence a line to Vlakke Hoek (5°55′S 104°35′E / 5.917°S 104.583°E / -5.917; 104.583) the Southern extreme of Sumatra.

On the West. The East coast of Sumatra between Vlakke Hoek and Lucipara Point (3°14′S 106°05′E / 3.233°S 106.083°E / -3.233; 106.083).

History edit

 
Coast of Java Sea off Anyer

The Battle of the Java Sea from February to March 1942, was one of the costliest naval battles of World War II. The naval forces of the Netherlands, Britain, Australia, and the United States were nearly destroyed trying to defend Java from Japanese attack.[6][7]

On 28 December 2014, Indonesia AirAsia Flight 8501 crashed into the Java Sea while on route to Singapore from Surabaya, East Java. All 162 passengers and crew were killed.[8]

On 29 October 2018, Lion Air Flight 610 crashed into the Java Sea shortly after takeoff from Soekarno–Hatta International Airport in Jakarta heading towards Depati Amir Airport in Pangkal Pinang. All 189 passengers and crew on board are presumed dead.[9]

On 9 January 2021, a Boeing 737-500 (PK-CLC) operating as Sriwijaya Air Flight 182, crashed, near Laki Island, shortly after taking off from Soekarno–Hatta International Airport, en route to Supadio International Airport, with 50 passengers and 12 crew members aboard.[10]

Economic activities edit

The southern section of the seafloor has long been recognized as geologically similar to northern Java, where oil fields occur and extend under the sea. Prospects are also favorable for oil fields in the waters off southeast Kalimantan. As the site of successful exploration for petroleum and natural gas, the Java Sea has become the basis of Indonesia's export program.

Fishing is an important economic activity in the Java Sea. Over 3,000 species of marine life are found in the area. A number of national parks exist in the area such as Karimunjawa. The Thousand Islands are located north of the national capital Jakarta, and are the city's only regency.

The area around the Java Sea is also a popular tourist destination. Scuba diving offers a chance to explore and photograph underwater caverns, wrecks, coral, sponges, and other marine life.[11]

References edit

  1. ^ AirAsia flight QZ8501: 5 things about Java Sea, where search for plane is taking place. The Straits Times. December 28, 2014
  2. ^ Java Sea. Encyclopædia Britannica.
  3. ^ GoogleEarth
  4. ^ "Pleistocene Sea Level Maps". The Field Museum. 2003.
  5. ^ (PDF). International Hydrographic Organization. 1953. Archived from the original (PDF) on 8 October 2011. Retrieved 28 December 2020.
  6. ^ Oosten, F. C. van The Battle of the Java Sea Publisher: London : I. Allen, 1976. ISBN 0-7110-0615-6
  7. ^ Thomas, David A. Battle of the Java Sea. London: Pan Books, 1971. ISBN 0-330-02608-9
  8. ^ AirAsia flight: teams retrieve bodies from Java Sea. The Guardian. Dec 30, 2014.
  9. ^ Noyes, James Massola, Jenny (29 October 2018). "Lion Air flight crashes in Indonesia". The Sydney Morning Herald. Retrieved 29 October 2018.{{cite web}}: CS1 maint: multiple names: authors list (link)
  10. ^ "Dozens feared dead after Boeing 737 drops 10,000ft into sea off Indonesia". Independent.co.uk. 10 January 2021.
  11. ^ Epton, Nina. The Islands of Indonesia. London, Pitman 1955

Further reading edit

  • Touwen, Jeroen (editor) (2001) Shipping and trade in the Java Sea region, 1870-1940 : a collection of statistics on the major Java Sea ports ISBN 90-6718-162-5
  • (2008) "Java Sea a study on its economic impacts."

java, indonesian, laut, jawa, javanese, segara, jawa, extensive, shallow, sunda, shelf, between, indonesian, islands, borneo, north, java, south, sumatra, west, sulawesi, east, karimata, strait, northwest, links, south, china, part, western, pacific, ocean, lo. The Java Sea Indonesian Laut Jawa Javanese Segara Jawa is an extensive shallow sea on the Sunda Shelf between the Indonesian islands of Borneo to the north Java to the south Sumatra to the west and Sulawesi to the east Karimata Strait to its northwest links it to the South China Sea It is a part of the western Pacific Ocean 1 2 Java SeaLocation of the Java SeaJava SeaLocationSunda ShelfCoordinates5 S 110 E 5 S 110 E 5 110TypeSeaPrimary inflowsBarito Bengawan Solo Brantas Ciliwung Cimanuk Citarum Kahayan Musi Sampit RiverBasin countriesIndonesiaMax length1 600 km 990 mi Max width380 km 240 mi Surface area320 000 km2 120 000 sq mi Average depth46 m 151 ft SettlementsBatulicin Cirebon Jakarta Jepara Makassar Pekalongan Probolinggo Semarang Surabaya Tanjung Pandan Tegal Toboali Tuban Contents 1 Geography 1 1 Extent 2 History 3 Economic activities 4 References 5 Further readingGeography editThe Java Sea covers the southern section of the 1 790 000 km2 690 000 sq mi Sunda Shelf A shallow sea it has a mean depth of 46 m 151 ft It measures about 1 600 km 990 mi east west by 380 km 240 mi north south 3 and occupies a total surface area of 320 000 km2 120 000 sq mi It formed as sea levels rose at the end of the last ice age 4 Its almost uniformly flat bottom and the presence of drainage channels traceable to the mouths of island rivers indicate that the Sunda Shelf was once a stable dry low relief land area peneplain above which were left standing a few monadnocks granite hills that due to their resistance to erosion form the present islands Extent edit The International Hydrographic Organization IHO defines the Java Sea as one of the waters of the East Indian Archipelago with the following criteria 5 On the North By the Southern limit of the South China Sea Lucipara Point 3 14 S 106 05 E 3 233 S 106 083 E 3 233 106 083 thence to Tanjong Nanka the Southwest extremity of Bangka Island through this island to Tanjong Berikat the Eastern point 2 34 S 106 51 E 2 567 S 106 850 E 2 567 106 850 on to Tanjong Djemang 2 36 S 107 37 E 2 600 S 107 617 E 2 600 107 617 in Billiton along the North coast of this island to Tanjong Boeroeng Mandi 2 46 S 108 16 E 2 767 S 108 267 E 2 767 108 267 and thence a line to Tanjong Sambar 3 00 S 110 19 E 3 000 S 110 317 E 3 000 110 317 the Southwest extreme of Borneo the South coast of Borneo and the Southern limit of Makassar Strait By a line from the Southwestern extreme of Celebes 5 37 S 119 27 E 5 617 S 119 450 E 5 617 119 450 through the Southern point of Tana Keke to the Southern extreme of Laoet 4 06 S 116 06 E 4 100 S 116 100 E 4 100 116 100 thence up the West coast of that island to Tanjong Kiwi and thence across to Tanjong Petang Borneo 3 37 S 115 57 E 3 617 S 115 950 E 3 617 115 950 at the Southern end of Laoet Strait On the East By the Western limit of Flores Sea A line from Tg Sarokaja 8 22 S 117 10 E 8 367 S 117 167 E 8 367 117 167 to the Western Paternoster island 7 26 S 117 08 E 7 433 S 117 133 E 7 433 117 133 thence to the Northeastern Postiljon Island 6 33 S 118 49 E 6 550 S 118 817 E 6 550 118 817 and to the West point of Laikang Bay Celebes On the South By the Northern and Northwestern limits of Bali Sea A line from the Western Paternoster Island to the East point of Sepandjang and thence through this island to the West point of Gedeh Bay on the South coast of Kangean 7 01 S 115 18 E 7 017 S 115 300 E 7 017 115 300 A line from the West point of Gedeh Bay Kangean Island to Tg Sedano the Northeast extreme of Java and down the East coast to Tg Bantenan the Southeast extreme of the island the North and West coasts of Java to Java Hoofd 6 46 S 105 12 E 6 767 S 105 200 E 6 767 105 200 its Western point and thence a line to Vlakke Hoek 5 55 S 104 35 E 5 917 S 104 583 E 5 917 104 583 the Southern extreme of Sumatra On the West The East coast of Sumatra between Vlakke Hoek and Lucipara Point 3 14 S 106 05 E 3 233 S 106 083 E 3 233 106 083 History edit nbsp Coast of Java Sea off AnyerThe Battle of the Java Sea from February to March 1942 was one of the costliest naval battles of World War II The naval forces of the Netherlands Britain Australia and the United States were nearly destroyed trying to defend Java from Japanese attack 6 7 On 28 December 2014 Indonesia AirAsia Flight 8501 crashed into the Java Sea while on route to Singapore from Surabaya East Java All 162 passengers and crew were killed 8 On 29 October 2018 Lion Air Flight 610 crashed into the Java Sea shortly after takeoff from Soekarno Hatta International Airport in Jakarta heading towards Depati Amir Airport in Pangkal Pinang All 189 passengers and crew on board are presumed dead 9 On 9 January 2021 a Boeing 737 500 PK CLC operating as Sriwijaya Air Flight 182 crashed near Laki Island shortly after taking off from Soekarno Hatta International Airport en route to Supadio International Airport with 50 passengers and 12 crew members aboard 10 Economic activities editThe southern section of the seafloor has long been recognized as geologically similar to northern Java where oil fields occur and extend under the sea Prospects are also favorable for oil fields in the waters off southeast Kalimantan As the site of successful exploration for petroleum and natural gas the Java Sea has become the basis of Indonesia s export program Fishing is an important economic activity in the Java Sea Over 3 000 species of marine life are found in the area A number of national parks exist in the area such as Karimunjawa The Thousand Islands are located north of the national capital Jakarta and are the city s only regency The area around the Java Sea is also a popular tourist destination Scuba diving offers a chance to explore and photograph underwater caverns wrecks coral sponges and other marine life 11 References edit AirAsia flight QZ8501 5 things about Java Sea where search for plane is taking place The Straits Times December 28 2014 Java Sea Encyclopaedia Britannica GoogleEarth Pleistocene Sea Level Maps The Field Museum 2003 Limits of Oceans and Seas 3rd edition PDF International Hydrographic Organization 1953 Archived from the original PDF on 8 October 2011 Retrieved 28 December 2020 Oosten F C van The Battle of the Java Sea Publisher London I Allen 1976 ISBN 0 7110 0615 6 Thomas David A Battle of the Java Sea London Pan Books 1971 ISBN 0 330 02608 9 AirAsia flight teams retrieve bodies from Java Sea The Guardian Dec 30 2014 Noyes James Massola Jenny 29 October 2018 Lion Air flight crashes in Indonesia The Sydney Morning Herald Retrieved 29 October 2018 a href Template Cite web html title Template Cite web cite web a CS1 maint multiple names authors list link Dozens feared dead after Boeing 737 drops 10 000ft into sea off Indonesia Independent co uk 10 January 2021 Epton Nina The Islands of Indonesia London Pitman 1955Further reading editTouwen Jeroen editor 2001 Shipping and trade in the Java Sea region 1870 1940 a collection of statistics on the major Java Sea ports ISBN 90 6718 162 5 2008 Java Sea a study on its economic impacts nbsp Indonesia portal Retrieved from https en wikipedia org w index php title Java Sea amp oldid 1175961574, wikipedia, wiki, book, books, library,

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