|
Ófærufoss
Ófærufoss () is a waterfall situated in the Eldgjá chasm in the western part of Vatnajökull National Park, Iceland. Until the early 1990s a natural bridge spanned the falls, but it collapsed from natural causes. See also * List of waterfalls This list of notable waterfalls of the world is sorted by continent, then country, then province, state or territory. A waterfall is included if it is at least tall and has an existing Wikipedia article, or it is considered historically sig ... * List of waterfalls in Iceland References Collapsed arches Katla (volcano) Waterfalls of Iceland {{Waterfall-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eldgjá
Eldgjá (, "fire canyon") is a volcano and a canyon in Iceland. Eldgjá is part of the Katla volcano; it is a segment of a long chain of volcanic craters and fissure vents that extends northeast away from Katla volcano almost to the Vatnajökull ice cap. This fissure experienced a major eruption around 939 CE, which was the largest effusive eruption in recent history. It covered about of land with of lava from two major lava flows. While Icelandic records about the effects of the eruption are sparse, paleoclimate proxies and historical records from China, Europe and the Islamic world describe widespread impacts on the Northern Hemisphere’s climate. The Eldgjá eruption produced a noticeable cooling of the climate, with resulting cold winters and food crises across Eurasia. Geology The interaction between the Mid-Atlantic Ridge and the Iceland hotspot has given rise to the stack of volcanic rocks that forms Iceland. Volcanoes on Iceland occur in four volcanic zones; th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vatnajökull National Park
Vatnajökull National Park ( ) is one of three national parks in Iceland, and is the largest one. It encompasses all of Vatnajökull glacier and extensive surrounding areas. These include the national parks previously existing at Skaftafell in the southwest and Jökulsárgljúfur in the north. The unique qualities of Vatnajökull National Park are primarily its great variety of landscape features, created by the combined forces of rivers, glacial ice, and volcanic and geothermal activity. The park spans 14% of the country's area and is Europe's second largest national park in terms of area after Yugyd Va in the Ural Mountains of Russia. The glacier itself is the largest in Europe at . In 2019 the park was enlarged to the north. On 5 July 2019 Vatnajökull National Park was inscribed as a World Heritage Site. History Vatnajökull National Park was established on 7 June 2008. When established, the park covered an area of 12,000 km2, but with later additions of LakagÃga ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Natural Arch
A natural arch, natural bridge, or (less commonly) rock arch is a natural landform where an arch has formed with an opening underneath. Natural arches commonly form where inland cliffs, Cliffed coast, coastal cliffs, Fin (geology), fins or Stack (geology), stacks are subject to erosion from the sea, rivers or weathering (subaerial processes). Most natural arches are formed from narrow fins and sea stacks composed of sandstone or limestone with steep, often vertical, cliff faces. The formations become narrower due to erosion over geologic time scales. The softer rock stratum erodes away creating rock shelters, or alcoves, on opposite sides of the formation beneath the relatively harder stratum, or caprock, above it. The alcoves erode further into the formation eventually meeting underneath the harder caprock layer, thus creating an arch. The erosional processes exploit weaknesses in the softer rock layers making cracks larger and removing material more quickly than the caprock; ho ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Waterfalls
This list of notable waterfalls of the world is sorted by continent, then country, then province, state or territory. A waterfall is included if it is at least tall and has an existing Wikipedia article, or it is considered historically significant based on multiple reliable references. There is no standard way to measure the height or width of a waterfall. No ranking of waterfalls should be assumed because of the heights or widths provided in the list. Many numbers are estimated and measurements may be imprecise. See additional lists of waterfalls by List of waterfalls by height, height, List of waterfalls by flow rate, flow rate and List of waterfalls by type, type. Africa Angola * Kalandula Falls – high Burundi * Kagera waterfalls, Kagera Falls * Rusumo Falls Central African Republic * Boali, Boali Falls Chad * Gauthiot Falls Democratic Republic of the Congo * Boyoma Falls – formerly known as Stanley Falls; highest flow rate in the world * Inga ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Waterfalls In Iceland
Iceland is well suited for waterfalls (Icelandic: s. ''foss,'' pl. ''fossar''). This Nordic island country lies along the Mid-Atlantic Ridge which separates North America and Europe near where the North Atlantic and Arctic Oceans meet. Frequent rain and snow is caused by its near-Arctic location. Large glaciers exist throughout the country whose summer melts feed many rivers. As a result, it is home to a number of large and powerful waterfalls. It is estimated that there are more than 10.000 waterfalls in Iceland. North * Dettifoss is the most powerful waterfall in Iceland. * Gljúfursárfoss * Selfoss * Hafragilsfoss * Goðafoss * Aldeyjarfoss South * Faxi or Vatnsleysufoss in Tungufljót river * Foss á SÃðu * Gluggafoss * Gljúfrafoss * Gjáin has many small waterfalls * Gullfoss (''Golden Falls'') * Háifoss (''High Falls'') * Hjálparfoss * Kvernufoss * Merkjárfoss * Ófærufoss used to be noted for the natural bridge which stood above the falls, bu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Iceland
Iceland is a Nordic countries, Nordic island country between the Atlantic Ocean, North Atlantic and Arctic Oceans, on the Mid-Atlantic Ridge between North America and Europe. It is culturally and politically linked with Europe and is the region's westernmost and most list of countries and dependencies by population density, sparsely populated country. Its Capital city, capital and largest city is ReykjavÃk, which is home to about 36% of the country's roughly 380,000 residents (excluding nearby towns/suburbs, which are separate municipalities). The official language of the country is Icelandic language, Icelandic. Iceland is on a rift between Plate tectonics, tectonic plates, and its geologic activity includes geysers and frequent Types of volcanic eruptions, volcanic eruptions. The interior consists of a volcanic plateau with sand and lava fields, mountains and glaciers, and many Glacial stream, glacial rivers flow to the sea through the Upland and lowland, lowlands. Iceland i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Waterfall
A waterfall is any point in a river or stream where water flows over a vertical drop or a series of steep drops. Waterfalls also occur where meltwater drops over the edge of a tabular iceberg or ice shelf. Waterfalls can be formed in several ways, but the most common method of formation is that a river courses over a top layer of resistant bedrock before falling onto softer rock, which erodes faster, leading to an increasingly high fall. Waterfalls have been studied for their impact on species living in and around them. Humans have had a distinct relationship with waterfalls since prehistory, travelling to see them, exploring and naming them. They can present formidable barriers to navigation along rivers. Waterfalls are religious sites in many cultures. Since the 18th century, they have received increased attention as tourist destinations, sources of hydropower, andparticularly since the mid-20th centuryas subjects of research. Definition and terminology A waterfal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Collapsed Arches
Collapse or its variants may refer to: Concepts * Collapse (structural) * Collapse (topology), a mathematical concept * Collapsing manifold * Collapse, the action of collapsing or telescoping objects * Collapsing user interface elements ** Accordion (GUI) -- collapsing list items ** Code folding -- collapsing subsections of programs or text ** Outliner -- supporting folding and unfolding subsections * Ecosystem collapse or Ecological collapse * Economic collapse * Gravitational collapse creating astronomical objects * Societal collapse ** Dissolution of the Soviet Union, the collapse of Soviet federalism ** State collapse * Wave function collapse, in physics Medicine and biology In medicine, collapse can refer to various forms of transient loss of consciousness such as syncope, or loss of postural muscle tone without loss of consciousness. It can also refer to: * Circulatory collapse * Lung collapse * Hydrophobic collapse in protein folding Art, entertainment and media ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Katla (volcano)
Katla () is an active subglacial volcano in Farthings of Iceland, southern Iceland. This volcano has been very active historically with at least twenty documented major eruptions since 2920 BC. In its recent history though, Katla has been less active as the last major eruption occurred in 1918. These eruptions have had a Volcanic Explosivity Index (VEI) of between 4 and 5 on a scale of 0 to 8. In comparison, the Eyjafjallajökull 2010 eruption had a VEI of 4. Larger VEI-5 eruptions are comparable to Mount St. Helens 1980 eruption of Mount St. Helens, 1980 eruption. These eruptions have produced very large glacial outburst floods. Several smaller (minor) events measuring Volcanic explosivity index, VEI-1 and below have occurred since. Katla is one of the largest volcanic sources of Carbon dioxide, carbon dioxide (CO2) on Earth, accounting for up to 4% of total global volcanic carbon dioxide emissions. Geography and physical appearances Katla is one of the largest volcanoes in I ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
