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Suketō River
The , also called the Fukushima River, is a river in Tokushima Prefecture, Japan. Course It starts on the western side of Hyōtan-jima where the Shinmachi River hits the Mitsuai Bridge and runs around to meet the river again to the east. The river passes through the Maegawa, Suketō, Fukushima, and Hyōtan-jima districts, as well as several others. In midstream, the Suketō River branches out into the Ōokagawa and Sumiyoshi-jima Rivers, and is known by some people as the "Fukushima River" in the area where it passes by the district of the same name. The Suketō River is crossed by the Mitsuai, Maegawa, Nishi no Maru, Suketō, New Suketō, Myōjin, Tokusumi, Fukushima, Sumiyoshi, New Fukushima, Nakazu and several other bridges. Ecology According to research in the year 2006, the river has a chemical oxygen demand of around 4–5 parts per million, making it slightly dirtied, but the water is clear to 50 cm in depth and still relatively clean. The Shinmachi Preservation Co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shinmachi River
The is a river found in the heart of Tokushima City in Tokushima Prefecture. The Suketō River, Tamiya River, Sako River, and Sumiyoshijima River are its tributaries. At current, the non-profit organization Shinmachi Preservation Committee is in charge of keeping the river clean and holding tours around the river via boat. History During the Edo period the Shinmachi River was a very busy area due to the travel of boats carrying Indigo Dyeing wares, one of the main trades supporting finance in the region at the time. Geography The Shinmachi River runs through the middle of Tokushima, and passes by many well known tourist spots within the city area. Water Up until the early Shōwa period, the condition of the river was so good as to allow people to swim there during the summertime. However, in the coming years the river became increasingly polluted and thus unsuitable for swimming. Efforts in recent years to clean up the river have improved its overall condition greatly, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Japan
Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north toward the East China Sea, Philippine Sea, and Taiwan in the south. Japan is a part of the Ring of Fire, and spans Japanese archipelago, an archipelago of List of islands of Japan, 6852 islands covering ; the five main islands are Hokkaido, Honshu (the "mainland"), Shikoku, Kyushu, and Okinawa Island, Okinawa. Tokyo is the Capital of Japan, nation's capital and largest city, followed by Yokohama, Osaka, Nagoya, Sapporo, Fukuoka, Kobe, and Kyoto. Japan is the List of countries and dependencies by population, eleventh most populous country in the world, as well as one of the List of countries and dependencies by population density, most densely populated and Urbanization by country, urbanized. About three-fourths of Geography of Japan, the c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tokushima City
is the capital city of Tokushima Prefecture on Shikoku island in Japan. , the city had an estimated population of 249,865 in 122085 households and a population density of 1305 persons per km².The total area of the city is . Geography The city is situated in the north-eastern part of Tokushima Prefecture at the mouth of the Yoshino River. In terms of layout and organization, Tokushima displays the typical characteristics of a Japanese castle town. Most of the city is located in the Tokushima plain and is flat, but the symbol of the city, Mt. Bizan, rises in the center, creating a scenic landscape. The southern part is a mountainous area with forests. Mountains Rivers * Akui River * Imagire River * Shinmachi River * Suketō River * Yoshino River Neighbouring municipalities Tokushima Prefecture * Komatsushima * Katsuura * Matsushige * Kitajima * Aizumi * Ishii * Kamiyama * Sanagōchi Demographics Per Japanese census data, the population of Tokushima has been grow ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tokushima Prefecture
is a prefecture of Japan located on the island of Shikoku. Tokushima Prefecture has a population of 728,633 (1 October 2019) and has a geographic area of 4,146 km2 (1,601 sq mi). Tokushima Prefecture borders Kagawa Prefecture to the north, Ehime Prefecture to the west, and Kōchi Prefecture to the southwest. Tokushima is the capital and largest city of Tokushima Prefecture, with other major cities including Anan, Naruto, and Yoshinogawa. Tokushima Prefecture is located on the Kii Channel, connecting the Pacific Ocean and Seto Inland Sea, across from Wakayama Prefecture on the Kii Peninsula of the island of Honshu. Tokushima Prefecture is connected to Awaji Island across the Naruto Strait by the Ōnaruto Bridge as part of the Kobe-Awaji-Naruto Expressway, connecting the prefecture to the city of Kobe and the San'yō Expressway on Honshu. History Until the Meiji Restoration, Tokushima Prefecture was known as Awa Province. Tokushima Prefecture and Myodo Prefecture In ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chemical Oxygen Demand
In environmental chemistry, the chemical oxygen demand (COD) is an indicative measure of the amount of oxygen that can be consumed by reactions in a measured solution. It is commonly expressed in mass of oxygen consumed over volume of solution which in SI units is milligrams per litre ( mg/ L). A COD test can be used to easily quantify the amount of organics in water. The most common application of COD is in quantifying the amount of oxidizable pollutants found in surface water (e.g. lakes and rivers) or wastewater. COD is useful in terms of water quality by providing a metric to determine the effect an effluent will have on the receiving body, much like biochemical oxygen demand (BOD). Overview The basis for the COD test is that nearly all organic compounds can be fully oxidized to carbon dioxide with a strong oxidizing agent under acidic conditions. The amount of oxygen required to oxidize an organic compound to carbon dioxide, ammonia, and water is given by: :\mbox_n\mbox_a\mb ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shinmachi Preservation Committee
Shinmachi (新町) was a in Osaka, built between 1615 and 1623, and operating until its destruction in World War II. It was situated roughly two kilometers southwest of Nakanoshima. Today, it is mostly a tourist attraction and historical site. Throughout the Edo period (1603–1868), there was widespread male and female prostitution throughout the cities of Kyoto, Edo, and Osaka. The Tokugawa shogunate attempted to control this by restricting prostitution to designated city districts, known as ''yūkaku''. These districts were Shimabara in Kyōto (est. 1640Anne Louise Avery, ''Flowers of the Floating World: Geisha and Courtesans in Japanese Prints and Photographs, 1772–1926'' (Sanders of Oxford Exhibition Catalogue, March 2006)), Shinmachi in Osaka (est. 1624–1644) and Yoshiwara in Edo (est. 1617). These restrictions and controls did not derive from a moral opposition to prostitution, but out of a desire to compartmentalize certain types of activity within the cities. Kabuki ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stingray
Stingrays are a group of sea rays, which are cartilaginous fish related to sharks. They are classified in the suborder Myliobatoidei of the order Myliobatiformes and consist of eight families: Hexatrygonidae (sixgill stingray), Plesiobatidae (deepwater stingray), Urolophidae (stingarees), Urotrygonidae (round rays), Dasyatidae (whiptail stingrays), Potamotrygonidae (river stingrays), Gymnuridae (butterfly rays) and Myliobatidae (eagle rays). There are about 220 known stingray species organized into 29 genera. Stingrays are common in coastal tropical and subtropical marine waters throughout the world. Some species, such as the thorntail stingray (''Dasyatis thetidis''), are found in warmer temperate oceans and others, such as the deepwater stingray (''Plesiobatis daviesi''), are found in the deep ocean. The river stingrays and a number of whiptail stingrays (such as the Niger stingray (''Fontitrygon garouaensis'')) are restricted to fresh water. Most myliobatoids are demersa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Yoshino River
The Yoshino River (吉野川 ''Yoshino-gawa'') is a river on the island of Shikoku, Japan. It is long and has a watershed of . It is the second longest river in Shikoku (slightly shorter than the Shimanto), and is the only river whose watershed spreads over the four prefectures of the island. It is regarded as one of the three greatest rivers of Japan along with the Tone and the Chikugo, and is nicknamed Shikoku Saburō (四国三郎; ''Saburō'' is a popular given name for a third son). The Yoshino rises from Mount Kamegamori (瓶ケ森) in Ino, Kōchi Prefecture and flows to the east. In Ōtoyo it turns to the north and crosses the Shikoku Mountains. The gorge, named Ōboke Koboke, is a famous tourist attraction of Shikoku. In Ikeda, Tokushima Prefecture it turns to the east again and pours into the Kii Channel at the north of Tokushima city. Its major tributaries include Ananai, Iya, Dōzan, Sadamitsu, and Anabuki. The river has some "submerged bridges" (潜水橋 ''S ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rivers Of Tokushima Prefecture
A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of water. Small rivers can be referred to using names such as creek, brook, rivulet, and rill. There are no official definitions for the generic term river as applied to geographic features, although in some countries or communities a stream is defined by its size. Many names for small rivers are specific to geographic location; examples are "run" in some parts of the United States, "burn" in Scotland and northeast England, and "beck" in northern England. Sometimes a river is defined as being larger than a creek, but not always: the language is vague. Rivers are part of the water cycle. Water generally collects in a river from precipitation through a drainage basin from surface runoff and other sources such as groundwater recharge, springs, an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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