151 articles
Orontes
Orontes (Nahr al-Assi, Asi River), a Middle East river rising in Lebanon and flowing through Syria and Turkey to the Mediterranean; also the name of Achaemenid satraps of Armenia and the Orontid dynasty.
Panj
Panj (Панҷ), also Pyanj or Pyandzh: 921-km Central Asian river rising in the Pamirs, forming much of the Afghanistan-Tajikistan border and feeding the Amu Darya; subject of Tajik-Afghan hydrology cooperation, flood hazards, and glacier-fed flow.
Penner
Penner (Penna, Pennar; Pinākini) is a 597 km river of southern India rising at Nandi Hills, Karnataka, flowing through Andhra Pradesh to the Bay of Bengal; basin 55,213 sq km, rain-shadow, water-scarce, heavily dammed.
Ping
Ping River (Mae Ping, แม่น้ำปิง), 740-km Thai river rising in Chiang Mai and joining the Nan at Nakhon Sawan to form the Chao Phraya; 33,898 km² basin, Bhumibol Dam (1964), ~300-year floodplain-stripping cycle.
Pur
Pur (Пур), river in Yamalo-Nenets Autonomous Okrug, Russia; formed by the Pyakupur and Aivasedapur, flows 389 km (1,024 km with Pyakupur) north into Tazovskaya Guba, Kara Sea; basin 112,000 km², discharge 884 m³/s, navigable, gas-producing region.
Pyasina
Pyasina (Пясина), Arctic river in Krasnoyarsk Krai, Russia: 818 km from Lake Pyasino across the Taymyr Peninsula to Pyasina Bay of the Kara Sea; 182,000 km² basin, 354 km tidal reach, Norilsk-linked history.
Red (river)
Red River (Sông Hồng, Sông Cái), a 1,100 km river rising in Yunnan, China, flowing through northern Vietnam to the Gulf of Tonkin; steep, flood-prone, heavily dammed, and central to the diked Red River Delta around Hanoi.
Sabarmati River
Sabarmati River: west-flowing Indian river rising in the Aravalli hills, Rajasthan, 371 km to the Gulf of Khambhat; seasonal monsoon-fed, flows through Ahmedabad, site of the Sabarmati Riverfront project and heavy pollution.
Salween (river, Myanmar)
Salween (Nu Jiang in China, Thanlwin in Myanmar), a 2,820 km transboundary river from the Tibetan Plateau through Yunnan, Shan, Karenni, and Karen States to the Andaman Sea; over 10 million people, 16 ethnic groups, undammed main channel.
Sartang
Sartang (Yakut: Сартаҥ) is a 620 km river in Yakutia, Russia; with the Dulgalakh it forms the Yana, rising from Lake Siskyuele in the Verkhoyansk Range. Also a village in Ilam, Iran, and a language of Arunachal Pradesh.
Selenga
Selenga (Селенга), transboundary river of Mongolia and Siberia, largest tributary of Lake Baikal; 1,024 km, 447,000 km² basin, ~30 km³/yr inflow, large Ramsar delta.
Selennyakh
Selennyakh (Селеннях; Yakut Силээннээх), a 796 km left tributary of the Indigirka in Yakutia, Russia, draining 30,800 km² from the Chersky Range through the Moma-Selennyakh Depression and Aby Lowland; mean discharge about 180-220 m³/s, freezes October to May.
Severnaya Sosva
Severnaya Sosva (Северная Сосьва), Northern Sosva, an 866-km left tributary of the Ob in KHMAO-Yugra, Russia; Ural-fed whitefish river with endemic tugun, historic Mangazeya trade route, and regulated indigenous fishery.
Shatt al-Arab (شط العرب)
Shatt al-Arab (شط العرب), also Arvand Rud, is the Tigris-Euphrates confluence river flowing to the Persian Gulf along the Iran-Iraq border, defined by the 1975 Algiers thalweg boundary, the 1980-88 war, and severe Basra salinity intrusion.
Son
The Son (सोन), also written Sone, is a major ephemeral right-bank tributary of the Ganges in India, rising near Amarkantak and joining it near Patna.
Song Hong
Song Hong (Sông Hồng, Red River), FEOW freshwater ecoregion 761, covers the whole Red River basin in Vietnam, China, and Laos, draining to the Gulf of Tonkin, with 16 endemic fish species and a heavily dammed, sediment-starved delta.
Songhua Jiang
Songhua Jiang (松花江), the Songhua River, is China's third largest river by discharge and the Amur's largest tributary, draining a 556,800 km² basin in northeast China with the Nenjiang and Second Songhua as sources.
Sutlej (सतलुज)
Sutlej (सतलुज, Satluj), easternmost and longest of the five Punjab rivers, an Indus tributary rising in Tibet at 4,572 m, dammed by Bhakra, allocated to India under the 1960 Indus Waters Treaty, joining the Indus via the Panjnad near Mithankot.
Syr Darya (سیردریا)
Syr Darya (سیردریا), ancient Jaxartes, is a major Central Asian river rising in Kyrgyzstan and flowing to the Aral Sea; heavily diverted for Soviet irrigation, it drove the Aral's shrinkage and is now managed under transboundary agreements.
Tapti River
The Tapti River, also called Tapi, is a 724 km west-flowing river of peninsular India, rising in the Satpura range in Madhya Pradesh and emptying into the Gulf of Khambhat.
Tarim
Tarim: the Tarim River (塔里木河), China's longest inland river at 1,321 km, and its endorheic basin around the Taklamakan Desert in Xinjiang; fed by Khotan, Yarkand, and Aqsu rivers, historically ending at Lop Nor or Taitema Lake, with ecological water diversion restoring the lower reaches since 2000.
Taz
Taz (Таз), a 1,401 km river in Western Siberia's Yamalo-Nenets Okrug flowing from the Siberian Uvaly to the Kara Sea's Tazovskaya Guba; a pristine permafrost river with 150,000 km² basin, spring snowmelt flood, and 815 km of navigation.
Teesta River (তিস্তা নদী)
Teesta River (তিস্তা নদী), a transboundary Himalayan river of Sikkim, West Bengal, and Bangladesh joining the Brahmaputra; known for the unsigned 2011 India-Bangladesh water-sharing agreement, the Gajaldoba and Dalia barrages, Sikkim hydropower dams, and Bangladesh's largest irrigation project.
Tigris (دجلة)
Tigris (دجلة, Dejla; Sumerian Idigna): major Middle Eastern river, about 2,032 km, rising in Turkey's Taurus mountains and flowing through Iraq to the Persian Gulf; snowmelt-fed, core of Mesopotamia, now severely reduced by upstream dams and drought.
Tigris–Euphrates river system
The Tigris–Euphrates river system is the paired river system of Western Asia, where the Tigris and Euphrates rise in eastern Turkey and flow through Syria and Iraq to the Persian Gulf.
Tobol
Tobol (Тобыл, Tobyl), 1,591-km left tributary of the Irtysh rising in Kostanay Region, Kazakhstan, flowing through Kurgan to Tobolsk; snow-fed, reservoir-regulated, transboundary with Russia, supplying Kostanay's water.
Tom
Tom (Томь), a right-bank tributary of the Ob River in western Siberia, flowing past Novokuznetsk, Kemerovo, Yurga, and Tomsk; name from the Ket word 'Toom', meaning the river; heavily affected by industrial pollution and sediment dredging.
Tungabhadra River (ತುಂಗಭದ್ರಾ ನದಿ)
Tungabhadra River (ತುಂಗಭದ್ರಾ ನದಿ), also called the Tunga-Bhadra, is a 531 km Krishna tributary formed at Koodli, Karnataka, flowing past Hampi and impounded by the Tungabhadra Dam near Hospet.
Tuo
Tuo (沱) names several Chinese rivers: the Tuojiang, a ~638 km upper-Yangtze tributary in Sichuan; a 112 km Huaihe tributary in Anhui; and the Tuotuo River, a Yangtze source-region river on the Qinghai-Tibet Plateau.
Tyung
Tyung (Тюнг, Түҥ) is a 1,092 km left tributary of the Vilyuy River in Yakutia, Russia, draining 49,800 km² into the Lena basin, with 180 m³/s mean discharge and Cretaceous fossil outcrops.