Itoigawa(Mịch ngư xuyên thị,Itoigawa-shi)is acitylocated inNiigata Prefecture,Japan.As of 1 September 2024,the city had an estimatedpopulationof 38,224 living in 17,028 households, and apopulation densityof 51 persons per km2.The total area of the city is 746.24 square kilometres (288.12 sq mi).[1]

Itoigawa
Mịch ngư xuyên thị
Hisui Kaigan ("Jade Beach" Oya-shirazu Lake Takanami & Mt Myojo Charmant Hiuchi Snow Resort
Hisui Kaigan ( "Jade Beach"
Oya-shirazuLake Takanami & Mt Myojo
Charmant Hiuchi Snow Resort
Flag of Itoigawa
Official seal of Itoigawa
Location of Itoigawa in Niigata
Location of Itoigawa in Niigata
Itoigawa is located in Japan
Itoigawa
Itoigawa
Coordinates:37°2′20.5″N137°51′45.6″E/ 37.039028°N 137.862667°E/37.039028; 137.862667
CountryJapan
RegionChūbu(Kōshin'etsu) (Hokuriku)
PrefectureNiigata
First official recorded100 AD
City settledJune 1, 1954
Government
• MayorTōru Yoneda (since April 2005)
Area
• Total
746.24 km2(288.12 sq mi)
Population
(September 1, 2024)
• Total
38,224
• Density51/km2(130/sq mi)
Time zoneUTC+9(Japan Standard Time)
Symbols
• TreeSiebold's beech
• FlowerLilium japonicum
• BirdCommon kingfisher
• StoneJade
Phone number025-552-1511
Address1-2-5 Ichinomiya, Itoigawa-shi, Niigata-ken 941-8501
ClimateCfa
WebsiteOfficial website
Tsutsuishi city scape
Tsutsuishi funaya

Geography

edit

Itoigawa is located in the far southwestern corner of Niigata Prefecture, bordered by theSea of Japanto the north,Nagano Prefectureto the south, andToyama Prefectureto the west. Parts of the city are within the borders of theChūbu-Sangaku National Parkor theMyōkō-Togakushi Renzan National Park.Itoigawa is also famous for its jade which can be found on local beaches. Itoigawa also lends its name to theItoigawa-Shizuoka Tectonic Line,a majorfaultthat runs from Itoigawa, throughLake Suwato the city ofShizuokainShizuoka Prefecture,forming the western border of theFossa Magna.

Surrounding municipalities

edit

Climate

edit

Itoigawa has aHumid climate(KöppenCfa) characterized by warm, wet summers and cold winters with heavy snowfall. The average annual temperature in Itoigawa is 14.4 °C (57.9 °F). The average annual rainfall is 2,901.5 mm (114.23 in) with December as the wettest month. The temperatures are highest on average in August, at around 26.6 °C (79.9 °F), and lowest in January, at around 3.6 °C (38.5 °F).[2]In addition, Itoigawa has the highest record warm daily minimum in Japan, at 31.4 °C (88.5 °F) on August 10, 2023.[3]

Climate data for Itoigawa (1991−2020 normals, extremes 1978−present)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 17.5
(63.5)
23.6
(74.5)
26.0
(78.8)
30.7
(87.3)
31.8
(89.2)
34.7
(94.5)
37.2
(99.0)
39.3
(102.7)
37.6
(99.7)
35.1
(95.2)
27.0
(80.6)
23.5
(74.3)
39.3
(102.7)
Mean daily maximum °C (°F) 7.0
(44.6)
7.4
(45.3)
10.9
(51.6)
16.3
(61.3)
21.2
(70.2)
23.4
(74.1)
28.5
(83.3)
30.3
(86.5)
26.6
(79.9)
21.3
(70.3)
15.7
(60.3)
10.2
(50.4)
18.3
(64.9)
Daily mean °C (°F) 3.6
(38.5)
3.8
(38.8)
6.7
(44.1)
11.8
(53.2)
16.8
(62.2)
20.7
(69.3)
25.0
(77.0)
26.6
(79.9)
22.8
(73.0)
17.3
(63.1)
11.6
(52.9)
6.5
(43.7)
14.4
(57.9)
Mean daily minimum °C (°F) 0.9
(33.6)
0.7
(33.3)
2.9
(37.2)
7.6
(45.7)
12.9
(55.2)
17.7
(63.9)
22.3
(72.1)
23.6
(74.5)
19.7
(67.5)
14.0
(57.2)
8.2
(46.8)
3.4
(38.1)
11.2
(52.2)
Record low °C (°F) −5.3
(22.5)
−5.2
(22.6)
−3.1
(26.4)
−1.3
(29.7)
5.1
(41.2)
10.7
(51.3)
15.4
(59.7)
17.2
(63.0)
11.4
(52.5)
4.8
(40.6)
0.8
(33.4)
−4.2
(24.4)
−5.3
(22.5)
Averageprecipitationmm (inches) 354.8
(13.97)
225.5
(8.88)
204.5
(8.05)
135.1
(5.32)
120.5
(4.74)
168.0
(6.61)
237.8
(9.36)
223.3
(8.79)
251.4
(9.90)
232.4
(9.15)
341.0
(13.43)
407.4
(16.04)
2,901.5
(114.23)
Average precipitation days(≥ 1.0 mm) 24.8 19.8 18.9 13.2 11.4 11.8 14.2 11.7 14.0 15.2 19.1 23.4 197.5
Mean monthlysunshine hours 52.9 85.2 135.4 178.8 205.3 160.4 159.2 195.2 138.9 133.9 99.7 66.6 1,611.5
Source 1: Lý khoa niên biểu
Source 2:Japan Meteorological Agency[2][4]

Demographics

edit

Per Japanese census data,[5]the population of Itoigawa has declined steadily over the past 70 years and is now less than it was a century ago.

Historical population
YearPop.±%
192058,580
193063,103+7.7%
194064,019+1.5%
195078,727+23.0%
196077,641−1.4%
197067,785−12.7%
198061,488−9.3%
199056,803−7.6%
200053,021−6.7%
201047,702−10.0%
202040,765−14.5%

History

edit

The area of present-day Itoigawa was part of ancientEchigo Province.Historically, Itoigawa lies at the end of theshio no michi(salt road) that supplied salt from the Sea of Japan toEdoviaShinano Province.During theEdo period,Itoigawa was thecastle townforItoigawa Domain.After theMeiji restoration,with the establishment of the modern municipalities system on April 1, 1889, Itoigawa became a town withinNishikubiki District, Niigata.

The modern city was created on June 1, 1954 when the former town of Itoigawa absorbed the villages of Uramoto, Shimohayakawa, Kamihayakawa, Yamatogawa, Saikai, Ōno (Daino), Nechi and Kotati (Otaki) to elevate city status. On April 1, 2005, the towns ofandŌmi(both fromNishikubiki District) were merged into Itoigawa.

Oldest known jadeite-using culture

edit

A great manyjadeitebeads and axe heads as well as the remains of jadeite workshops from theNeolithic erahave been uncovered in Itoigawa. These beads and axes were traded throughout Japan and the Korean Peninsula and were produced by the world's oldest known jadeite-using culture, centered on the Itoigawa region.[6][7]

Government

edit

Itoigawa has amayor-councilform of government with a directly elected mayor and aunicameralcity legislature of 20 members. Itoigawa contributes one member to the Niigata Prefectural Assembly. In terms of national politics, the city is part ofNiigata 6th districtof thelower houseof theDiet of Japan.

Economy

edit

Commercial fishingand the production oflimestoneand cement are the mainstays of the local economy.

Education

edit

Itoigawa has 14 public elementary schools and four public middle schools operated by the city government, and three public high schools operated by the Niigata Prefectural Bureau of Education. The city and prefecture also operate one special education school each for the handicapped.

Transportation

edit

Railway

edit

Hokuriku Shinkansen

JR West-Ōito Line

Echigo Tokimeki Railway-Nihonkai Hisui Line

Ainokaze Toyama Railway

Highway

edit

Local attractions

edit
  • The entire territory of Itoigawa is "Itoigawa GlobalGeopark"which is a member of theJapanese Geoparks NetworkandGlobal Geoparks Networkon account of its outstanding geological heritage, educational programs and projects, and promotion ofgeotourism.[8]
  • The city is known for its distinctive black-coloredyakisoba.[9]
  • Itoigawa is also known for its uniquebugaku,a variety oftraditional Japanese performance art.Itoigawa Bugaku can be seen at festivals taking place at Hakusan Shrine and Amatsu Shrine, and has been nationally designated as an Important Intangible Cultural Asset.

National Historic Sites

edit

Notable people from Itoigawa

edit

References

edit
  1. ^"Itoigawa official statistics".Itoigawa City. 1 January 2021.Retrieved11 September2024.
  2. ^ab "Bình niên trị ( niên ・ nguyệt ごとの trị )".Japan Meteorological Agency.Retrieved2012-08-10.
  3. ^Tối cao khí ôn の đê い phương から ( các địa điểm の quan trắc sử thượng 1 vị の trị を sử ってランキングを tác thành )
  4. ^ "Quan trắc sử thượng 1~10 vị の trị ( niên gian を thông じての trị )".Japan Meteorological Agency.Retrieved2012-08-10.
  5. ^Itoigawa population statistics
  6. ^Kijima, Tsutomu.Phỉ thúy chế đại châu の gia công と lưu thông(in Japanese).
  7. ^Pearson, Richard."International Jomon Culture Conference Bulletin 1 2004 (English version)".Retrieved2016-06-30.
  8. ^Itoigawa Global Geopark
  9. ^Trautlein, Steve, "The chow-down tour of Kanto's local dishesArchived2012-09-27 at theWayback Machine",Japan Times,24 August 2012, p. 15
  10. ^One Robe, One Bowl; the Zen poetry of Ryokan. transl. John Stevens. 9th Ed. John Weatherhill, Inc., Tokyo. 1988.
edit