2,436 articles
Kyushu-Palau Ridge
Kyushu-Palau Ridge (KPR), also Palau-Kyushu Ridge, a ~2,600 km remnant intra-oceanic arc on the Philippine Sea floor from Kyushu to Palau, split from the proto-IBM arc by back-arc spreading; 6–12 km thick crust, subducting beneath Kyushu.
La Grande
La Grande (La Grande Rivière, Cree Tschishasipi/Chisasibi) is an 893-km river in Nord-du-Québec flowing into James Bay, backbone of the 16,527-MW La Grande hydroelectric complex built from 1973, with major diversions, mercury contamination, and Cree relocation to Chisasibi.
La Tembladera
La Tembladera, a 200-hectare Ramsar wetland lagoon in Santa Rosa canton, El Oro, Ecuador, fed by the Arenillas river; also a Peruvian district center, a Veracruz railway station, and a Spanish word for trembling.
Labaz
Labaz (Лабаз, Ozero Labaz) is a 470 km² shallow freshwater lake in the North Siberian Lowland, Taymyr Peninsula, Krasnoyarsk Krai, Russia, at 72°N 99°E, draining via the Kegerdi River into the Khatanga basin; a relic of an ice-dammed pre-Labaz lake and a permafrost paleoclimate research site.
Labrador Current
Labrador Current: cold, low-salinity polar-origin current flowing southeastward along Baffin Island, Labrador, and Newfoundland; seasonal transports of 5-17 Sv; joins the Gulf Stream to form the North Atlantic Current.
Labrador Sea
The Labrador Sea is a North Atlantic marginal sea between Labrador, Greenland, and Newfoundland, the main formation site of Labrador Sea Water through winter deep convection reaching 500–2,500 m, feeding the AMOC and deep-ocean oxygen and carbon uptake.
Lac Fitri
Lac Fitri (Lake Fitri) is a permanent freshwater Sahelian lake in Batha region, central Chad, fed by the seasonal Batha river; a Ramsar site and biosphere reserve (195,000 ha) supporting fishing, flood-recession farming, and dry-season transhumant grazing.
Laccadive Sea
The Laccadive Sea, also called the Lakshadweep Sea, is a body of water in the northern Indian Ocean bordering India, the Maldives, and Sri Lanka.
Lachlan
The Lachlan River, named after Governor Lachlan Macquarie, is Australia's fourth longest river at 1,448 km, flowing from the Great Dividing Range to the Great Cumbung Swamp in NSW.
Lacs des Loups Marins
Lacs des Loups Marins is a system of connected lakes in Nunavik, Quebec, Canada, home to the world's only freshwater subspecies of the harbor seal.
Lady Bird Lake
Lady Bird Lake, formerly Town Lake, is a five-mile reservoir on the Colorado River in Austin, Texas, formed in 1960 by Longhorn Dam as a power plant cooling pond and renamed for Lady Bird Johnson in 2007.
Lady Melville Lake
Lady Melville Lake, an officially named lake in Nunavut, Canada, at 69°8′N 92°30′W on NTS sheet 057C01; name formalized 13 March 1947 and distinct from Labrador's Lake Melville.
Lago Ypoá
Lago Ypoá, a shallow lake and wetland complex in Paraguay's Paraguari, Central, and Neembucu departments; Ramsar site no. 728 (1995, 100,000 ha) and Reserva de Recursos Manejados (119,006 ha), with floating vegetation mats, threatened species, and mostly private land tenure.
Lagoa do Erepecur
Lagoa do Erepecur (Lake Erepecu, Lagoa do Erepecuru) is a 38-km, 109-km² lake in Pará, Brazil, parallel to the lower Rio Trombetas, inside REBIO Trombetas with quilombola communities on its shores.
Lagoa Mirim
Lagoa Mirim (Mirim Lagoon), a 180-km-long freshwater coastal lagoon on the Brazil-Uruguay border in Rio Grande do Sul, draining via the São Gonçalo Channel to Lagoa dos Patos; basin about 62,250 km², rice irrigation, 1977 dam-lock, 1977 Lagoa Mirim Treaty.
Lagoon
Lagoon: a shallow body of water separated from the sea or ocean by a barrier; two types, atoll lagoons inside coral rings and coastal lagoons behind sand barriers, with salinity from fresh to hypersaline.
Lagos Poopó y Uru Uru
Lagos Poopó y Uru Uru, Bolivian Ramsar site BO1181RIS designated 11 July 2002, protects two brackish Altiplano lakes in Oruro department covering 967,607 ha, home to some 120,000 flamingos; Lake Poopó has since largely dried.
Laguna de Llancanelo
Laguna de Llancanelo, Ramsar site 759 in Malargüe, Mendoza, Argentina, is an endorheic saline wetland designated in 1995 and extended to 91,365 ha in 2020, famed for over 100,000 waterbirds and Chilean flamingos.
Laguna de Tamiahua
Laguna de Tamiahua, a shallow coastal lagoon in northern Veracruz, Mexico; Ramsar site 1596 (2005), 88,000 ha, third largest coastal lagoon in Mexico, with major mangrove forests, oyster fisheries, and protected turtles, fish, and seahorses.
Lahontan
Lahontan: Pleistocene Lake Lahontan of northwestern Nevada, its remnant closed basin and freshwater ecoregion, California's Lahontan water-quality Region 6, the Lahontan cutthroat trout, and a French commune.
Lake
Lake: a standing body of water in a landscape depression, fed by runoff and groundwater; also called inland still water, distinct from manmade reservoirs behind dams. Stores about 87% of liquid surface freshwater; stratifies into epilimnion and hypolimnion; warming up to 0.45°C per decade.
Lake Agassiz
Lake Agassiz was the largest glacial lake in North America, formed by the retreating Laurentide Ice Sheet. Its meltwater rerouting is linked to the Younger Dryas cooling and the 8.2 ka event.
Lake Allatoona
Lake Allatoona: 11,862-acre USACE reservoir on the Etowah River near Cartersville, Georgia, impounded 1949 by Allatoona Dam for flood control, hydropower (83-85 MW), and water supply; nearly 7 million annual visitors.
Lake Argyle
Lake Argyle, Western Australia's largest and Australia's second-largest freshwater lake, is an Ord River reservoir created by the Argyle Dam (opened 1972), storing 11,000,000 megalitres for irrigation, hydroelectricity, and the Ramsar-listed Lakes Argyle and Kununurra wetlands.
Lake Atitlán
Lake Atitlán (Spanish: Lago de Atitlán) is a deep caldera lake in Guatemala's western highlands, filling a volcanic collapse basin and ringed by the volcanoes Atitlán, San Pedro, and Tolimán.
Lake Austin
Lake Austin, formerly Lake McDonald, is a constant-level Highland Lakes reservoir on the Colorado River in west Austin, Texas, formed by Tom Miller Dam (1939) and serving as a major Austin drinking water source.
Lake Baikal
Lake Baikal is a rift lake in south-east Siberia, Russia, the oldest and deepest lake in the world at about 25 million years and 1,700 m deep.
Lake Balaton
Lake Balaton (Balaton) is Hungary's large shallow freshwater lake, the largest in Central Europe, about 80 km long and 3.7 m deep. Known for 19th-century Hunyady resort origins, the 'communist Riviera' era, eutrophication and recovery, and the 2019 record algal bloom.
Lake basin
Lake basin: the depression holding a lake and the land draining into it; also called catchment or watershed. Covers origin types (11 forces), watershed-to-lake area ratio, endorheic basins, and datasets like LakeCat.
Lake bed
A lake bed, also written lakebed, is the bottom of a lake, often implying a dry lake; it is where sediment accumulates and fossils are found.