2,436 articles
Chindwin
Chindwin River, largest tributary of Myanmar's Ayeyarwady (Irrawaddy), about 900 km long, rising in the Hukawng Valley and joining the Ayeyarwady near Pakokku; basin about 114,000 km2, 15% in India.
Chiriqui
Chiriqui (Chiriquí) names a western Panama province, the Chiriquí and Chiriquí Viejo rivers, the Gulf of Chiriqui, and FEOW freshwater ecoregion 206 on the Pacific slope of southern Costa Rica and western Panama.
Chitrakote Falls (चित्रकोट जलप्रपात)
Chitrakote Falls (चित्रकोट जलप्रपात), also called Chitrakot, is India's widest waterfall, a 300 m horseshoe cataract on the Indravati River in Bastar district, Chhattisgarh, about 38 km from Jagdalpur, nicknamed the Niagara of India.
Chott de Zehrez Gharbi
Chott de Zehrez Gharbi (Zahrez Gharbi), Ramsar site 1295 in Djelfa, Algeria, designated 2003; a 52,200 ha endorheic saline depression on the high plateaus, important for waterbirds, halophytes, salt production, and grazing.
Chott Ech Chergui
Chott Ech Chergui, a large endorheic salt basin on Algeria's High Plateaus; Ramsar site 1052 (2001, 855,500 ha); second largest chott in North Africa, with thermal springs and migratory waterbirds.
Chott El Hodna
Chott El Hodna, a 1,150 km2 endorheic salt lake in central Algeria's Hodna basin, Ramsar site 1053 (362,000 ha, designated 2001), seasonal winter flooding, summer salt crust, salinity source for groundwater, rich waterbird and endemic flora.
Chott El Jerid
Chott El Jerid (Chott el Djerid), Tunisia's largest salt lake at about 5,000 km2 in the northern Sahara between Tozeur and Kebili; Ramsar site 1699 (2007), flamingo wetland, halite and gypsum playa, and lithium-bearing brine resource.
Chott Melghir
Chott Melghir (Chott Melrhir), Algeria's largest salt lake and lowest point at −33 m, an endorheic Ramsar wetland (site 1296, 2003) in the Zone of Chotts, fed by Oued Biskra and Aurès runoff.
Chubut
Chubut River (Río Chubut, Afon Camwy), 1,080 km Andes-to-Atlantic Patagonian river; basin covers over 60% of Chubut Province, mean discharge 1.1 km³/year, regulated by the 1963 Florentino Ameghino dam, supplies over half the province and the Welsh-settled lower valley.
Chukchi Plateau
Chukchi Plateau (Chukchi Cap): submerged continental-crust plateau in the western Arctic Ocean, western part of the Chukchi Borderland, rising from ~3,800 m Canada Basin depths to ~350 m, with 28–29 km crust and glacially scoured seafloor.
Chukchi Sea
Chukchi Sea: Arctic marginal sea between Alaska and Russia's Chukchi Peninsula, linked to the Pacific by Bering Strait; shallow 0–50 m shelf carrying ~0.8–1.1 Sv of Pacific water northward, ice-covered about eight months a year, and warming rapidly.
Chulym
Chulym (Чулым), Siberian river and largest right tributary of the Ob, 1,799 km long with a 134,000 km² basin, formed by the Bely and Chorny Iyus, snow-fed, navigable 1,173 km, distinct from the smaller Novosibirsk Chulym.
Chuna
The Chuna (Чуна), known as the Uda (Уда) upstream, is a 1,203 km river in southeastern Siberia, Russia, that joins the Biryusa to form the Taseeva.
Churchill (lake)
Churchill Lake, northwestern Saskatchewan, Canada, a 213-square-mile headwater lake of the Churchill River at 1,381 ft elevation, linked to Peter Pond Lake and drained south into the Churchill River toward Hudson Bay.
Chuuk Lagoon
Chuuk Lagoon, formerly Truk Lagoon, is a large atoll lagoon in Chuuk State, Federated States of Micronesia. Japan's WWII Combined Fleet base was destroyed by Operation Hailstone in February 1944, leaving over 60 wrecks that made it a premier wreck-diving destination.
Chuya
Chuya (FEOW ecoregion 604) is a Palearctic montane freshwater ecoregion in the Russian Altai, covering the upper Katun', Chuya, and Chulyshman drainages of the Ob headwaters; about 30,000 km2, no endemic fish, dominated by Altai osmans.
Chwaka Bay
Chwaka Bay is a shallow, intertidal bay on the east coast of Unguja Island, Zanzibar, Tanzania, holding Zanzibar's largest mangrove forest and supporting a declining artisanal fishery.
Claire
Claire (Clair) names several North American lakes, chiefly Lake Claire, Alberta, a ~1,436 km2 shallow lake at the center of the Peace-Athabasca Delta, plus smaller Claire/Clair lakes in Ontario, BC, Yukon, Saskatchewan, Michigan, and an Atlanta neighborhood.
Clara Bog
Clara Bog is a raised bog about 2 km south of Clara, County Offaly, Ireland, regarded as the best remaining example of active midland raised bog in Western Europe.
Clark (landform)
Clark (landform) = Lake Clark, Dena'ina Qizhjeh Vena, a glacial lake in southwest Alaska, 41-42 mi long, 870 ft deep, sixth largest in Alaska, namesake of Lake Clark National Park and Preserve.
Clark Fork River
The Clark Fork River, or Clark Fork of the Columbia, is Montana's largest river by volume, flowing more than 280 miles to Lake Pend Oreille in Idaho.
Clear Lake (California)
Clear Lake is a large, shallow lake in Lake County, California, the largest natural lake wholly within the state and one of North America's oldest.
Cley Marshes
Cley Marshes is a coastal wetland nature reserve at Cley next the Sea on the north Norfolk coast, bought in 1926 as the first county Wildlife Trust reserve.
Clinton-Colden
Clinton-Colden Lake (lac Clinton-Colden), ninth largest lake in Canada's Northwest Territories, part of the Lockhart River system; named and first explored by George Back in 1834 after De Witt Clinton and Cadwallader Colden.
Coast
Coast: the region where land meets the sea, from shoreline to first terrain change. Covers coastal definitions, erosion and longshore processes, 40% of humanity living on coasts, and sea level rise adaptation options.
Coastal Amur
Coastal Amur (FEOW ecoregion 615) is a Russian Far East freshwater ecoregion of temperate coastal rivers around the Amur River estuary, Amurskiy Liman, northwest Sakhalin, and the Shantary Islands, draining to the Sea of Okhotsk, with no endemic fish species.
Coastal area
Coastal area: the land-sea transition zone around the shoreline (also coastal zone). About 40% of humanity lives within 100 km of it; managed through ICZM, marine spatial planning, and ecosystem-based adaptation.
Coastal Fujian - Zeijang
Coastal Fujian - Zeijang, FEOW freshwater ecoregion 767, Indo-Malay tropical and subtropical coastal rivers; coastal drainages of Fujian and Zhejiang provinces between the Pearl River and Qiantang River, including the Han, Jiulong, Min, and Ou rivers.
Coastal squeeze
Coastal squeeze is the loss of intertidal habitats such as saltmarshes and mudflats when fixed defenses like sea walls prevent them migrating landward as sea level rises.
Coastal water
Coastal water: near-shore marine and estuarine waters between land and open ocean; also called inshore or nearshore waters. Definitions vary: NOAA forecasts to 100 nautical miles, EPA to the shelf break, EU WFD to 1 nautical mile.