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- West Northwall Firn adalah badan es yang terletak di dekat Puncak Jaya (kadang disebut Puncak Carstensz atau Piramida Carstensz), sebuah gunung di Barisan Sudirman di daratan tinggi barat tengah Papua, Indonesia. Gletser ini berada di ketinggian 4.750 meter (15.580 ft) dan 3 kilometer (1,9 mi) di sebelah utara Puncak Jaya. Northwall Firn terpecah menjadi beberapa gletser sejak 1936, dua pecahan terbesar adalah East Northwall Firn dan West Northwall Firn. Penelitian citra satelit tahun 2004 di kawasan glasier Nugini menunjukkan bahwa dalam waktu dua tahun mulai 2000 sampai 2002, West Northwall Firn telah kehilangan 19,4% permukaannya. Ekspedisi di sisa gletser Puncak Jaya pada tahun 2010 menemukan bahwa es di gletser setebal 32 meter (105 ft) dan menipis 7 meter (23 ft) setiap tahunnya. Jika tingkat penipisan ini berlanjut, sisa gletser di kawasan dekat Puncak Jaya diperkirakan hilang pada tahun 2015. West Northwall Firn adalah bagian dari daratan es yang terbentuk sekitar 5.000 tahun yang lalu. Sedikitnya satu daratan es pernah terbentuk di daerah ini antara 7.000 dan 15.000 tahun yang lalu. Diperkirakan daratan es tersebut sempat mencair dan hilang. (in)
- The West Northwall Firn was a glacial body on Mount Carstensz in the Sudirman Range on the island of New Guinea in Central Papua province, Indonesia. The glacier was situated at an elevation of approximately 4,600 metres (15,100 ft) to 4,750 metres (15,580 ft), centered a little over 3 kilometres (1.9 mi) northwest of Ngga Pulu and 5 kilometres (3.1 mi) of Puncak Jaya (Carstensz Pyramid), the highest peak of Oceania. Sometime between 1936 and 1962, a single Northwall Firn split into several separate glaciers, the largest being the West Northwall Firn and the East Northwall Firn. Research presented in 2004 of IKONOS satellite imagery of the New Guinean glaciers indicated that in the two years from 2000 to 2002, the West Northwall Firn had lost a further 19.4% of its surface area. An expedition to the remaining glaciers on Puncak Jaya in 2010 found that the glacial ice was about 32 metres (105 ft) thick and thinning at a rate of 7 metres (23 ft) annually. At that rate, the remaining glaciers in the immediate region near Puncak Jaya were expected to last only to the year 2015. Indeed, in or before 2017, the West Northwall Firn had completely disappeared. The West Northwall Firn was a remnant glacier of an icecap that in 1850 measured about 20 km2 (7.7 sq mi) and had developed approximately 5,000 years ago. At least one previous icecap also existed in the region between 15,000 and 7,000 years ago, when it also apparently melted away and disappeared. (en)
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- 3666 (xsd:nonNegativeInteger)
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- Puncak Jaya, Sudirman Range, Central Papua province, Indonesia (en)
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- GrasbergMine ISS011-E-9620.jpg (en)
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- The West Northwall Firn is the small patch of ice at right center in this 2005 image. The circular depression to the left is the Grasberg mine, the world's largest gold mine (en)
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- Vanished in or before 2017 (en)
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- West Northwall Firn adalah badan es yang terletak di dekat Puncak Jaya (kadang disebut Puncak Carstensz atau Piramida Carstensz), sebuah gunung di Barisan Sudirman di daratan tinggi barat tengah Papua, Indonesia. Gletser ini berada di ketinggian 4.750 meter (15.580 ft) dan 3 kilometer (1,9 mi) di sebelah utara Puncak Jaya. West Northwall Firn adalah bagian dari daratan es yang terbentuk sekitar 5.000 tahun yang lalu. Sedikitnya satu daratan es pernah terbentuk di daerah ini antara 7.000 dan 15.000 tahun yang lalu. Diperkirakan daratan es tersebut sempat mencair dan hilang. (in)
- The West Northwall Firn was a glacial body on Mount Carstensz in the Sudirman Range on the island of New Guinea in Central Papua province, Indonesia. The glacier was situated at an elevation of approximately 4,600 metres (15,100 ft) to 4,750 metres (15,580 ft), centered a little over 3 kilometres (1.9 mi) northwest of Ngga Pulu and 5 kilometres (3.1 mi) of Puncak Jaya (Carstensz Pyramid), the highest peak of Oceania. (en)
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- West Northwall Firn (in)
- West Northwall Firn (en)
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- POINT(137.15942382812 -4.0510249137878)
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