414 articles
Floating treatment wetland
A floating treatment wetland is a buoyant, vegetated system in which plants on a floating frame remove nutrients and pollutants from ponds, lakes, and reservoirs.
Flood Plain Lower Ringarooma River
Flood Plain Lower Ringarooma River, Ramsar Site no. 257, is a 3,534-hectare Tasmanian wetland designated in 1982, meeting Ramsar criteria 1-4 with six threatened species and 11 migratory bird species.
Fly Geyser
Fly Geyser (Fly Ranch Geyser) is a small, constantly erupting geothermal geyser on private Fly Ranch in Washoe County, Nevada, about 20 miles north of Gerlach, created accidentally by a 1964 geothermal test well and now owned by the Burning Man Project.
Gambie-Koulountou
Gambie-Koulountou (Ramsar Site 1578) is a 368,193-hectare wetland in Boké region, Guinea, on the Senegal border, covering the Koulountou River floodplain, the Gambia River's main tributary, designated 14 November 2005.
Gavkhouni (گاوخونی)
Gavkhouni (گاوخونی), also Gavkhuni or Gavkhooni, is a shallow saline Ramsar wetland (476 km2, designated 1975) east of Isfahan, Iran, terminal to the Zayandeh-Rud River, now almost completely dry from over-abstraction and drought.
Geothermal areas of Yellowstone
Geothermal areas of Yellowstone: about 120 thermal areas in Yellowstone National Park holding over 10,000 hot springs, geysers, mudpots, and fumaroles, including half of Earth's active geysers, heated by a magma chamber 5 to 10 miles below the surface.
Geyser eruptive mechanics
Geyser eruptive mechanics is the study of how geysers work: the subsurface reservoirs, constricted conduits, and boiling processes behind their periodic eruptions of water and steam.
Geyser types
Geyser types are the two classes of Earth's geysers: fountain geysers, which erupt from pools, and cone geysers, which erupt from mounds of siliceous sinter called geyserite.
Geysir
Geysir (Great Geysir) is the famous geyser of Haukadalur, South Iceland, whose name gave English the word "geyser"; first recorded in the 13th century, historically erupting up to 70 m, now mostly dormant beside the active Strokkur.
Ginnie Springs
Ginnie Springs: privately owned group of springs on the Santa Fe River near High Springs, Florida, feeding about 10% of the river's flow; famed cave-diving park whose aquifer water is bottled under a contested Seven Springs/BlueTriton permit.
Glastonbury Lake Village
Glastonbury Lake Village is an Iron Age crannog settlement of 90 mounds and 40 roundhouses on the Somerset Levels near Godney, discovered in 1892 by Arthur Bulleid, excavated 1892–1907, occupied roughly 200–50 BC.
Gocta
Gocta (Catarata de Gocta) is a two-tiered waterfall in Peru's Amazonas region, dropping 771 meters near Cocachimba and San Pablo and becoming internationally known after 2005.
Govater Bay and Hur-e-Bahu
Govater Bay and Hur-e-Bahu is a 75,000-hectare Ramsar wetland in southeast Iran on the Gulf of Oman coast, designated in 1999, home to marsh crocodiles and Dalmatian pelicans.
Grand Kankakee Marsh
Grand Kankakee Marsh, the "Everglades of the North," was a vast Kankakee River wetland in Indiana and Illinois, over 500,000 acres, drained for farmland from 1869 to the 1920s; only about 13 percent of the basin's wetlands remain.
Grand Prismatic Spring
Grand Prismatic Spring, in Midway Geyser Basin, Yellowstone National Park, is the largest hot spring in the United States and third largest in the world, famed for rainbow thermophile color bands.
Grande Sebkha d'Oran
Grande Sebkha d'Oran (Great Sebkha of Oran) is a 56,870-ha closed saline depression south of Oran, Algeria; Ramsar site 1055 since 2001, an IBA for greater flamingo, fed by a 1,890 km² endorheic basin with brine near 180 g/L chlorides.
Grauballe Man
Grauballe Man (Grauballemanden) is a Danish Iron Age bog body found in Nebelgaard Bog in 1952, dated around 390 BC, executed by throat-cutting, and displayed at Moesgaard Museum as the world's best-preserved bog body.
Great Dismal Swamp
The Great Dismal Swamp is a 113,000-acre forested peatland refuge in southeastern Virginia and northeastern North Carolina, the largest remnant of a once million-acre wetland, drained by 150 miles of ditches, home to Lake Drummond and historic maroon communities, now being rewetted through 64 water-control structures.
Greenhouse gas emissions from wetlands
Greenhouse gas emissions from wetlands: methane, CO2, and N2O fluxes from waterlogged soils. Wetlands emit ~159 Tg CH4/yr, the largest natural methane source, controlled by water table, temperature, and substrates.
Guaíra Falls
Guaíra Falls (Sete Quedas, Saltos del Guairá) was a Paraná River waterfall on the Brazil–Paraguay border, 18 cataracts averaging 13,309 m³/s, submerged in October 1982 by the Itaipu Dam reservoir and later dynamited.
Gullfoss
Gullfoss (Golden Falls) is a two-tiered waterfall on the Hvítá river in southwest Iceland, dropping 32 meters on the Golden Circle route; protected as a nature reserve since 1979 after Sigríður Tómasdóttir's campaign against hydropower developers.
Gur Swamps
The Gur Swamps are the wetlands of the Gur River, an Amur tributary in Khabarovsk Krai in the Russian Far East, protected within the Gursky zakaznik for fish conservation.
Hammar Marsh
Hammar Marsh (Hawr al-Hammar), one of the three Mesopotamian marshes of southern Iraq south of the Euphrates; drained in the 1990s, reflooded after 2003, Ramsar site since 2014.
Haraldskær Woman
Haraldskær Woman (Haraldskærkvinden), also long called Queen Gunhild, is a Danish Iron Age bog body found 20 October 1835 in Haraldskær Mose near Vejle; about 40 years old at death, strangled, never conserved, displayed at Kulturmuseet Vejle.
Havasu Falls
Havasu Falls (Havasuw Hagjahgeevma) is a waterfall on Havasu Creek in Havasu Canyon, on the Havasupai Indian Reservation in Arizona, known for its blue-green water and travertine pools.
Hawizeh Marsh
Hawizeh Marsh (Haur Al-Hawizeh), a transboundary Mesopotamian wetland on the Iraq–Iran border (Iranian part Haur Al-Azim), Iraq's first Ramsar site (2007, 137,700 ha), Montreux Record 2010, degraded by dams and drought.
Hinatuan Enchanted River
The Hinatuan Enchanted River, also called the Enchanted River, is a deep blue river in Hinatuan, Surigao del Sur, Mindanao, Philippines, a leading tourist attraction since 2010.
Hogenakkal Falls
Hogenakkal Falls (ஒகேனக்கல் நீர்வீழ்ச்சி) is a waterfall and bathing site on the Cauvery river in Tamil Nadu, India, at the river's entry from Karnataka, known for coracle rides.
Hong Kong Wetland Park (香港湿地公园)
Hong Kong Wetland Park (香港湿地公园), opened 20 May 2006 in Tin Shui Wai, is a 61-hectare ecotourism and conservation facility with a 10,000 m² Visitor Centre and 60-hectare Wetland Reserve built on an ecological mitigation area.
Hoplobatrachus tigerinus
Hoplobatrachus tigerinus, the Indian bullfrog (formerly Rana tigerina), is a large dicroglossid frog native to South Asian wetlands, Least Concern by IUCN, CITES Appendix II since 1985, and invasive in the Andamans, Madagascar, and Maldives.