2,436 articles
Teslin (lake)
Teslin Lake, from Inland Tlingit tás ten ("long sewing sinew"), is a 148 km long narrow lake flowing from British Columbia into southeast Yukon, part of the Yukon River drainage, with an oligotrophic lake trout fishery and monitored water levels since 1944.
Tethys Ocean
Tethys Ocean (Téthys): ancient ocean between Gondwana and Laurasia, conceived by Suess; successive Paleo-, Meso-, and Neo-Tethys basins, once ~12,000 km wide, closed by the India-Eurasia collision, leaving the Mediterranean and Caspian as remnants.
Thalweg
Thalweg (Talweg): the line of lowest elevation or deepest channel along a valley or watercourse; in international law, the median line of the main navigable channel used as a river boundary, as in Iowa v. Illinois and the Shatt al-Arab.
Thames Estuary
The Thames Estuary is the 110 km tidal lower Thames from Teddington to the North Sea, a macrotidal waterway (5.2 m spring range at Sheerness) hosting the UK's largest port, the TE2100 flood defence plan protecting 1.51 million people, and major bird conservation sites.
Thane Creek
Thane Creek is a tidal estuary in Maharashtra, India, between Mumbai and Navi Mumbai, designated Ramsar site 2490 on 13 April 2022 (6,521 ha). It hosts the Thane Creek Flamingo Sanctuary, about 20% of India's mangrove species, and over 100,000 wintering waterbirds including flamingos.
The Broads
The Broads (Norfolk and Suffolk Broads): Britain's largest protected wetland, a network of flooded medieval peat diggings in Norfolk and Suffolk with national-park-equivalent status, 125 miles of lock-free waterways, and the Broads Authority as its managing body.
The Dee Estuary
The Dee Estuary (Aber Dyfrdwy) is a macro-tidal estuary between the Wirral and north Wales, designated SAC, SPA, and Ramsar site (1985), famed for 120,000+ wintering waterbirds, saltmarsh, mudflats, and a regulated cockle fishery.
The Exploration of the Pacific
The Exploration of the Pacific is a 1934 history by New Zealand historian John Cawte Beaglehole, covering European exploration from Magellan to Cook and founding his lifelong work on Captain James Cook.
The Fens
The Fens: drained wetlands of eastern England around The Wash, reclaimed from the 17th century by Vermuyden's Bedford Level works into prime arable land, now facing peat subsidence, pumped drainage, and the Fens 2100+ climate program.
The Narrows
The Narrows is the 8 km tidal channel linking Strangford Lough, County Down, to the Irish Sea, with currents up to 8 knots, a centuries-old Strangford–Portaferry ferry, and the SeaGen tidal turbine; the name also applies to narrows in Zion Canyon, New York Harbor, and Puget Sound.
The Senator (tree)
The Senator was a giant bald cypress (Big Tree) in Longwood, Florida, estimated 2,500-3,500 years old and the largest tree east of the Mississippi until it burned on January 16, 2012.
The Wash
The Wash is England's largest tidal embayment, on the Lincolnshire-Norfolk coast, fed by the Great Ouse, Nene, Welland, and Witham. Macrotidal (about 5 m mean range), it hosts the UK's largest overwintering waterbird aggregation, a large common seal colony, and major shrimp, cockle, and mussel fisheries.
Thelon
Thelon River (Kangirjuak; Thílo Dëzé), 940 km river in NWT and Nunavut, largest in Canada flowing into Hudson Bay; 545 km Canadian Heritage River through the 1927 Thelon Wildlife Sanctuary, a muskox and caribou oasis.
Thermopolis, Wyoming
Thermopolis, Wyoming: county seat of Hot Springs County in the Bighorn Basin, home of Hot Springs State Park, Big Spring (3.6 million gallons/day at 135°F), and the free State Bath House guaranteed since the 1896 Shoshone-Arapaho cession.
Thlewiaza
Thlewiaza River, a Chipewyan-named (Dëne Sųłıné) river in northern Manitoba and Nunavut, drains Nueltin Lake through Seal Hole and Edehon lakes to Hudson Bay between Arviat and Churchill; gauge 06HB002 covers 27,430 km².
Thorsberg moor
Thorsberg moor (Thorsberger Moor, Thorsbjerg Mose) is an Iron Age war-booty sacrifice bog near Süderbrarup, Germany, excavated 1858–61 by Conrad Engelhardt; deposits c. 100 BC–5th century AD preserve Roman helmets, mail, and textiles.
Tiber
The Tiber (Tevere, Tiberis) is central Italy's main river, about 405 km long, rising on Mount Fumaiolo and flowing through Rome to the Tyrrhenian Sea; known for its floods, 1870 embankments, Tiber Island, and ancient river port.
Tidal creek
Tidal creek, also called tidal channel or mangrove creek: a small channel network in coastal wetlands, tidal along its entire length, draining watersheds under 50 km2 into estuaries. Known for dendritic tapering channels, nursery habitat for fisheries, and remote-sensing extraction methods.
Tidal freshwater marsh
A tidal freshwater marsh is a herbaceous wetland in the upper estuary or tidal river, where ocean tides move the water twice daily but river discharge keeps it fresh.
Tidal marsh
Tidal marsh (salt marsh): vegetated intertidal coastal wetland, a blue carbon ecosystem burying carbon about 40 times faster than forests. Distinguished from mangroves and seagrass; US tidal marshes lost 1,567 km2 over four decades, driven by sea level rise and extreme weather.
Tidal water
Tidal water is water in a waterbody whose level fluctuates with the tide, covering brackish estuaries, tidal rivers, and tidal creeks, with salinity 0.5–35 ppt and classified circulation types.
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.
Tikahtnu Inlet
Tikahtnu (Tikahtnu Inlet) is the Dena'ina Athabascan name for Cook Inlet, Alaska, a 290 km tidal estuary near Anchorage with tides up to 12.2 m, about 30% of U.S. tidal energy, and Alaska's oldest oil and gas basin.
Timeline of the European colonization of North America
Timeline of European colonization of North America: Spanish contact from 1492 and encomienda by 1502; Jamestown 1607, Quebec 1608, Santa Fe 1609; Dutch New Netherlands 1624; Treaty of Paris 1763; American independence 1776.
Timor Gap
The Timor Gap is an unbounded Timor Sea seabed area between points A12 and A16 of the 1972 Australia-Indonesia boundary, later governed by the 1989 Timor Gap Treaty, the 2002 Timor Sea Treaty, and the 2018 Maritime Boundary Treaty.
Timor Sea
The Timor Sea lies between Timor Island and northwestern Australia between the Indian Ocean and the Banda and Arafura Seas. Known for the Timor Gap boundary dispute, the JPDA, and the Greater Sunrise gas field.
Tinkisso
The Tinkisso is a river in Guinea, West Africa, rising in the highlands near Dabola and Dinguiraye and joining the Niger River near Siguiri.
Tiran Island (جزيرة تيران)
Tiran Island (جزيرة تيران), an uninhabited Red Sea island in the Strait of Tiran at the mouth of the Gulf of Aqaba, transferred from Egyptian administration to Saudi sovereignty by the 2016–2017 maritime delimitation agreement.
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.