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Kitadaitōjima (北大東島), also spelled as Kita Daitō, Kita-Daitō-shima, and Kitadaitō, is the northernmost island in the Daitō Islands group, located in the Philippine Sea southeast of Okinawa, Japan. It is administered as part of the village of Kitadaitō, Shimajiri District, Okinawa. The island is entirely cultivated for agriculture, although it lacks freshwater sources. The island has no beaches but has a fishing harbor, three ferry docks[1] and an airport (Kitadaito Airport) (airport code "KTD") for local flights.

Kitadaitōjima
Native name:
北大東島
Kitadaitōjima
Aerial Photograph of Kitadaitōjima
Geography
LocationPhilippine Sea
Coordinates25°57′N 131°18′E
ArchipelagoDaitō Islands
Area11.94 km2 (4.61 sq mi)
Length4.85 km (3.014 mi)
Coastline18.3 km (11.37 mi)
Highest elevation75 m (246 ft)
Highest pointDaijinguyama
Administration
Japan
PrefecturesOkinawa Prefecture
DistrictShimajiri District
VillageKitadaitō
Demographics
Population660 (June 2013)
Ethnic groupsRyukyuan, Japanese
Map of Kitadaitō
Map of Kitadaitō

Geography


Kitadaitōjima is a relatively isolated coralline island, located approximately 9 kilometres (4.9 nmi) north of Minamidaitōjima, the largest island of the archipelago, and 360 kilometres (190 nmi) from Naha, Okinawa. As with the other islands in the archipelago, Kitadaitōjima is an uplifted coral atoll with a steep coastal cliff of limestone (the former fringing coral reef of the island), and a depressed center (the former lagoon of the island). The island is roughly oval in shape, with a circumference of about 13.52 kilometres (8.40 mi), length of 4.85 kilometres (3.01 mi) and an area of 11.94 square kilometres (4.61 sq mi). The highest point is 74 metres (243 ft) above sea level.

The 660 (as of June 1, 2013) inhabitants live in a village in the center of the island.




Climate


Kitadaitōjima has a tropical rainforest climate (Köppen climate classification Af) with very warm summers and mild winters. The average annual temperature in Kitadaitōjima is 23.9 °C (75.0 °F). Precipitation is significant throughout the year; the wettest month is May and the driest month is February. The island is subject to frequent typhoons. The average annual rainfall is 1,469.0 mm (57.83 in) with September as the wettest month. The temperatures are highest on average in August, at around 29.2 °C (84.6 °F), and lowest in January, at around 18.5 °C (65.3 °F).[2] Its record high is 34.9 °C (94.8 °F), reached on 7 September 2017, and its record low is 8.2 °C (46.8 °F), reached on 15 February 2015.[3]

Climate data for Kitadaitō (2003−2020 normals, extremes 2003−present)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 26.4
(79.5)
27.0
(80.6)
27.8
(82.0)
29.6
(85.3)
32.4
(90.3)
33.1
(91.6)
33.8
(92.8)
34.5
(94.1)
34.9
(94.8)
32.3
(90.1)
30.3
(86.5)
28.3
(82.9)
34.9
(94.8)
Average high °C (°F) 20.9
(69.6)
21.2
(70.2)
22.3
(72.1)
24.3
(75.7)
26.9
(80.4)
29.7
(85.5)
31.8
(89.2)
31.9
(89.4)
31.2
(88.2)
29.1
(84.4)
26.1
(79.0)
22.5
(72.5)
26.5
(79.7)
Daily mean °C (°F) 18.5
(65.3)
18.8
(65.8)
19.6
(67.3)
21.6
(70.9)
24.4
(75.9)
27.1
(80.8)
29.1
(84.4)
29.2
(84.6)
28.5
(83.3)
26.5
(79.7)
23.7
(74.7)
20.3
(68.5)
23.9
(75.1)
Average low °C (°F) 16.2
(61.2)
16.5
(61.7)
17.5
(63.5)
19.5
(67.1)
22.3
(72.1)
25.2
(77.4)
26.9
(80.4)
27.0
(80.6)
26.3
(79.3)
24.5
(76.1)
21.8
(71.2)
18.2
(64.8)
21.8
(71.3)
Record low °C (°F) 8.6
(47.5)
8.2
(46.8)
9.9
(49.8)
12.0
(53.6)
15.9
(60.6)
20.0
(68.0)
22.5
(72.5)
23.4
(74.1)
20.8
(69.4)
18.2
(64.8)
14.8
(58.6)
10.8
(51.4)
8.2
(46.8)
Average precipitation mm (inches) 67.1
(2.64)
65.7
(2.59)
70.5
(2.78)
112.6
(4.43)
210.5
(8.29)
206.4
(8.13)
79.4
(3.13)
126.1
(4.96)
145.1
(5.71)
175.8
(6.92)
104.7
(4.12)
105.1
(4.14)
1,469
(57.83)
Average precipitation days (≥ 1.0 mm) 8.5 7.2 6.6 7.7 10.8 10.1 6.7 10.2 10.1 10.4 8.2 9.2 105.7
Source: Japan Meteorological Agency[3][2]

History


It is uncertain when Minamidaitōjima was discovered. It is the most likely that their first sighting was by the Spanish navigator Bernardo de la Torre in 1543, in between 25 September and 2 October, during his abortive attempt to reach New Spain from the Philippines with the San Juan de Letran. It was then charted, together with Kitadaitōjima, as Las Dos Hermanas (The Two Sisters). There is little doubt that Minamidaitōjima and Kitadaitōjima were again sighted by the Spanish on 28 July 1587, by Pedro de Unamuno who named them Islas sin Probecho (Useless Islands).[4] However, on 2 July 1820, the Russian vessel Borodino surveyed the two Daitō islands and named the south as "South Borodino Island".

The island remained uninhabited until claimed by the Empire of Japan in 1885. In 1900, a team of pioneers from Hachijōjima, an island located 287 kilometres (178 mi) south of Tokyo led by Tamaoki Han'emon (1838 1910), who had pioneered settlement on Minamidaitōjima, became the first human inhabitants of the island, and started the cultivation of sugar cane from 1903.

During this period until World War II, Kitadaitōjima was owned in its entirety by Dai Nippon Sugar (now Dai Nippon Meiji Sugar), which also operated mines for the extraction of guano for use in fertilizer. Many of the inhabitants were seasonal workers from Okinawa and Taiwan. After World War II, the island was occupied by the United States. The use of increased mechanization increased phosphate yields marginally until the deposits were exhausted by the mid-1950s. The island was returned to Japan in 1972.


References


  1. "南大東漁港 北大東地区/北大東漁港/掘込漁港/待避港の情報".
  2. 気象庁 / 平年値(年・月ごとの値). JMA. Retrieved March 17, 2022.
  3. 観測史上1~10位の値(年間を通じての値). JMA. Retrieved March 17, 2022.
  4. Welsch, Bernard (Jun 2004). "Was Marcus Island Discovered by Bernardo de la Torre in 1543?". The Journal of Pacific History. Taylor & Francis. Ltd. 39 (1): 114, 120. doi:10.1080/00223340410001684886. S2CID 219627973.



На других языках


[de] Kita-daitō

Kita-daitō (japanisch 北大東島, -jima[1] / -shima[2], wörtlich: „Nord-Daitō-Insel“, früher: Nord-Borodino-Insel) ist die zweitgrößte und nördlichste Insel der japanischen Daitō-Inseln in der Philippinensee. Administrativ gehört die Insel zur Präfektur Okinawa und bildet dort, gemeinsam mit der unbewohnten Insel Oki-daitō, die Gemeinde Kitadaitō (北大東村).
- [en] Kitadaitōjima

[fr] Kitadaitō-jima

Kitadaitō-jima (北大東島?) est une des îles Daitō dans l'archipel Nansei, au Japon, en mer des Philippines.

[it] Kitadaitō

Kitadaitō (北大東島 Kitadaitō-jima?, lett. "isola Daitō settentrionale") è la più settentrionale delle tre isole che costituiscono l'arcipelago delle isole Daitō, in Giappone.

[ru] Северный Бородино

Северный Бородино или Китадайто (яп. 北大東島 Китадайто:-дзима, «остров Северный Дайто») — остров на юге Японского архипелага. За исключением соседнего острова Южный Бородино (Минамидайто), поблизости от Северного Бородино нет никакой обитаемой земли на расстоянии 400 км, а сам он был необитаем до периода Мэйдзи[1]. На острове находится село Китадайто, административно относящееся к уезду Симадзири префектуры Окинава.



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