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Damodar River (দামোদর নদ)
Damodar River (দামোদর নদ), the 'River of Sorrows', rises in Jharkhand's Palamu Hills and flows 540 km to the Hugli near Kolkata; recurrent floods led to the Damodar Valley Corporation, India's first multipurpose river valley project (1948).
Dampier Strait
Dampier Strait, also Selat Dampier, names two straits charted by William Dampier in 1700: one between Waigeo and Batanta in Raja Ampat, Indonesia, a strong-current diving hotspot within a 353,385-hectare marine protected area, and one between New Britain and New Guinea, Papua New Guinea.
Dan River coal ash spill
The Dan River coal ash spill occurred on February 2, 2014, when a stormwater pipe failed at Duke Energy's retired Dan River Steam Station in Eden, North Carolina.
Danish Plant Communities
Danish plant communities (plantesamfund), a term coined by Warming in 1895, are recurring species groupings classified nationally via Danveg's 130 communities and legally via CORINE and the EU Habitats Directive.
Danube
The Danube is Europe's second longest river, 2,857 km from Germany's Black Forest to the Black Sea, draining an 800,000 km² basin shared by 19 countries, with major navigation, Iron Gate hydropower, the Danube Delta, and the Roman limes frontier.
Danube Delta
The Danube Delta, where the Danube meets the Black Sea across Romania and Ukraine, is Europe's largest and best-preserved delta: a 580,000-ha UNESCO biosphere reserve with Chilia, Sulina, and Sfântu Gheorghe branches, over 300 bird species, and heavy human modification.
Darbel Bay
Darbel Bay (Marin Darbel Bay) is a bay on the Loubet Coast, west Graham Land, Antarctic Peninsula, at 66°30'S 65°55'W, bounded by Cape Bellue and the Darbel Islands and studied for its tidewater glaciers and seafloor moraines.
Dardanelles
Dardanelles (Çanakkale Boğazı), ancient Hellespont: Turkish strait linking the Aegean and Sea of Marmara, about 62 km long with a two-layer exchange flow, governed by the 1936 Montreux Convention and site of the 1915 Gallipoli campaign.
Darling River
Darling, also known as Baaka, most commonly refers to the Darling River, a major river beginning in northern New South Wales and flowing southwest to join the Murray at Wentworth.
Darnley Bay
Darnley Bay, a roughly 45 km Arctic inlet off Amundsen Gulf, Northwest Territories, Canada, near Paulatuk; home of the Anguniaqvia Niqiqyuam Marine Protected Area, Hornaday River Arctic char, and Cape Parry seabird colonies.
Dasht-e Nawar
Dasht-e Nawar (Dašt-e Nāwor, "plain of the lake") is a 3,100 m high basin with a brackish lake about 60 km west of Ghazni, Afghanistan, known for Paleolithic sites, Afghanistan's only obsidian source, destroyed Kushan trilingual inscriptions, and a lithium-bearing playa.
Daugava
Daugava (Western Dvina, Западная Двина), largest Latvian river: 1,020 km from Russia's Tver region through Belarus to the Baltic Sea; transboundary basin, three HPPs, Staburags flooding, 1987 protest legacy.
Davao Gulf
Davao Gulf (Tagalook) is a gulf in southeastern Mindanao, Philippines, bounded by Davao City and the Davao Region. Over 1,200 fish species, dugongs, whale sharks; annual June-August closed season since 2014 protects small pelagic fisheries.
Davie Ridge
Davie Ridge: 1,200-km submarine ridge in the Mozambique Channel, the topographic expression of the Davie Fracture Zone transform along which Madagascar drifted south; continental crust fragments separating Somali and Mozambique basins.
Davis Lake
Davis Lake, Oregon: a Deschutes County lake dammed by a Holocene andesite lava flow of the Davis Lake Volcanic Field, three cones erupted about 5,000 years ago; low threat, monitored by the USGS Cascades Volcano Observatory.
Davis Sea
Davis Sea is a body of water off East Antarctica along Queen Mary Land and Wilhelm II Land, named by Douglas Mawson in 1912 for Captain John King Davis.
Davis Strait
Davis Strait is the sea passage between Baffin Island and Greenland, linking Baffin Bay to the Labrador Sea; named for John Davis (1585), it is a major Arctic gateway for freshwater and sea ice export.
De Biesbosch National Park
De Biesbosch National Park (Nationaal Park De Biesbosch) is Europe's largest freshwater tidal area, in North Brabant and South Holland, formed by the 1421 St. Elizabeth flood, a national park since 1994, home to about 300 beavers.
Deception Pass
Deception Pass is a narrow, tide-swept strait separating Whidbey Island from Fidalgo Island in Puget Sound, Washington, known for its fast tidal currents and 1935 bridges.
Deepwater Horizon oil spill
Deepwater Horizon oil spill: April 20, 2010 BP rig explosion and Macondo well blowout in the Gulf of Mexico, killing 11 and releasing 134 million gallons of oil; largest U.S. offshore spill, $20.8 billion settlement.
Delaware Bay
Delaware Bay, the estuary of the Delaware River between Delaware and New Jersey, a large coastal plain estuary with salinity from 0.2 to 31.8 ppt, managed salt front, and the world's densest horseshoe crab spawning grounds.
Delaware Estuary
The Delaware Estuary is the tidal reach of the Delaware River, running 134 miles from Trenton, New Jersey, to the Atlantic between Cape May and Cape Henlopen.
Delaware River
The Delaware River is a 330-mile river rising in New York's Catskills and flowing through Pennsylvania, New Jersey, and Delaware to Delaware Bay; Lenape homeland, Washington's 1776 crossing, DRBC-managed, with a tide-monitored salt front.
Delaware River Basin Commission
The Delaware River Basin Commission (DRBC) is a federal-interstate agency that manages the water resources of the Delaware River Basin, created by compact in 1961.
Denmark Strait
Denmark Strait, between Greenland and Iceland, is the widest deep passage of the Greenland-Scotland Ridge. Its dense overflow (DSOW, about 3.2 Sv) feeds the AMOC's lower limb and forms the Denmark Strait cataract, an undersea cascade of about 11,500 feet.
Desaguadero
Desaguadero (Río Desaguadero): the only outlet of Lake Titicaca, a ~390–398 km Andean river on the Peru–Bolivia border flowing south to Lake Poopó in the TDPS endorheic basin, with Holocene terrace records, salinity of 1–2 g/l, and binational management by the ALT.
Desert Hot Springs, California
Desert Hot Springs, California: a Riverside County city in the northern Coachella Valley, incorporated 1963, famed for hot mineral spring spa resorts, the Desert Hot Springs Subbasin aquifer, and a 2026 data center moratorium.
Desna
Desna (Десна), longest left tributary of the Dnipro, rising in Russia's Smolensk Highland and joining the Dnipro 6 km above Kyiv; 1,130 km long, 88,900 km² basin, mean discharge 360 m³/s, main tributaries Seim, Sudost, Snov, Oster.
Detroit River
The Detroit River is a 51-kilometer strait in the Great Lakes that carries water from Lake St. Clair down to Lake Erie and forms the US–Canada boundary.
Devil's Sea (魔の海)
The Devil's Sea (魔の海), also known as the Dragon's Triangle or Formosa Triangle, is a Pacific region south of Japan likened to the Bermuda Triangle for reported disappearances.