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Cam Loch, Sutherland
Cam Loch (the crooked loch) is an irregularly-shaped freshwater loch, about 5 km long, on a north-west to south-east orientation, located slightly north of the village of Elphin, in the Assynt district of Sutherland, Scotland. The loch is located in an area along with neighbouring Coigach, as the ''Assynt-Coigach National Scenic Area'', one of 40 such areas in Scotland. Geography Located immediately to the south-west of Cam Loch, and at a slightly lower level, is Loch Veyatie, which is roughly parallel to it. The two lochs are connected by Abhainn Mhòr, which consists of extensions of the two lochs with a waterfall between them. It is an area that holds several large lochs, for example the irregular-shaped Loch Sionascaig, directly to the west. The loch is overlooked by the twin peaks of Cùl Mòr at 849m to the south-west. Directly south of the loch is Canisp at 847m. To the south-east, is the steep-sides ridge that forms the mountain of Suilven at 723m. Cam Loch sits in an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Suilven
Suilven ( gd, Sùilebheinn) is a mountain in Scotland. Lying in a remote area in the west of Sutherland, it rises from a wilderness landscape of moorland, bogs, and lochans known as Inverpolly National Nature Reserve. Suilven forms a steep-sided ridge some in length. The highest point, Caisteal Liath ("Grey Castle" in Scottish Gaelic), lies at the northwest end of this ridge. There are two other summits: Meall Meadhonach ("Middle Round Hill") at the central point of the ridge is high, whilst Meall Beag ("Little Round Hill") lies at the southeastern end. Geology Geologically, Suilven is formed of Torridonian sandstone, sitting on a landscape of Lewisian gneiss. The surrounding rocks were eroded during an episode of glaciation. Suilven was covered by the last British and Irish Ice Sheet. Prior research described Suilven and many other mountains in Northwest Scotland as nunataks, but cosmogenic isotope dating of mountaintop erratics has since disproved this hypothesis. The ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Loch Urigill
Loch Urigill is a freshwater loch near Elphin at the southern tip of the Assynt District in north-west Sutherland, Scotland Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a border with England to the southeast and is otherwise surrounded by the Atlantic Ocean to th .... It's 2 miles from Elphin and 1 mile from Ledmore. It is not directly linked to any main roads; however, small trails lead to the loch. The Loch is nearly 2 miles across and yet very rarely reaches over 5 metres in depth therefore making it easy for weeds and plants to grow inside the shallower ends of the loch. Geography Flowing out of the Loch is the Na Luirgean River a short river that only lasts for about 1.5 miles before flowing into the Ledmore River. Flowing in there is a collection of small streams and many small hills and peaks are around the loch but no large mountains. Tourism Fishing is p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Freshwater Lochs Of Scotland
Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. Although the term specifically excludes seawater and brackish water, it does include non- salty mineral-rich waters such as chalybeate springs. Fresh water may encompass frozen and meltwater in ice sheets, ice caps, glaciers, snowfields and icebergs, natural precipitations such as rainfall, snowfall, hail/ sleet and graupel, and surface runoffs that form inland bodies of water such as wetlands, ponds, lakes, rivers, streams, as well as groundwater contained in aquifers, subterranean rivers and lakes. Fresh water is the water resource that is of the most and immediate use to humans. Water is critical to the survival of all living organisms. Many organisms can thrive on salt water, but the great majority of higher plants and most insects, amphibians, reptiles, mammals and birds need fresh water to survive. Fresh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stratigraphy
Stratigraphy is a branch of geology concerned with the study of rock layers ( strata) and layering (stratification). It is primarily used in the study of sedimentary and layered volcanic rocks. Stratigraphy has three related subfields: lithostratigraphy (lithologic stratigraphy), biostratigraphy (biologic stratigraphy), and chronostratigraphy (stratigraphy by age). Historical development Catholic priest Nicholas Steno established the theoretical basis for stratigraphy when he introduced the law of superposition, the principle of original horizontality and the principle of lateral continuity in a 1669 work on the fossilization of organic remains in layers of sediment. The first practical large-scale application of stratigraphy was by William Smith in the 1790s and early 19th century. Known as the "Father of English geology", Smith recognized the significance of strata or rock layering and the importance of fossil markers for correlating strata; he created the first ge ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Diatom
A diatom (New Latin, Neo-Latin ''diatoma''), "a cutting through, a severance", from el, διάτομος, diátomos, "cut in half, divided equally" from el, διατέμνω, diatémno, "to cut in twain". is any member of a large group comprising several Genus, genera of algae, specifically microalgae, found in the oceans, waterways and soils of the world. Living diatoms make up a significant portion of the Earth's Biomass (ecology), biomass: they generate about 20 to 50 percent of the oxygen produced on the planet each year, take in over 6.7 billion metric tons of silicon each year from the waters in which they live, and constitute nearly half of the organic material found in the oceans. The Protist shell, shells of dead diatoms can reach as much as a half-mile (800 m) deep on the ocean floor, and the entire Amazon basin is fertilized annually by 27 million tons of diatom shell dust transported by transatlantic winds from the African Sahara, much of it from the Bodélé Dep ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Palynology
Palynology is the "study of dust" (from grc-gre, παλύνω, palynō, "strew, sprinkle" and ''-logy'') or of "particles that are strewn". A classic palynologist analyses particulate samples collected from the air, from water, or from deposits including sediments of any age. The condition and identification of those particles, organic and inorganic, give the palynologist clues to the life, environment, and energetic conditions that produced them. The term is commonly used to refer to a subset of the discipline, which is defined as "the study of microscopic objects of macromolecular organic composition (i.e., compounds of carbon, hydrogen, nitrogen and oxygen), not capable of dissolution in hydrochloric or hydrofluoric acids". It is the science that studies contemporary and fossil #Palynomorphs, palynomorphs (paleopalynology), including pollen, spores, orbicules, dinocysts, acritarchs, chitinozoans and Scolecodonts, scolecodonts, together with particulate organic matter (POM) an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Organic Geochemistry
Organic geochemistry is the study of the impacts and processes that organisms have had on the Earth. It is mainly concerned with the composition and mode of origin of organic matter in rocks and in bodies of water. The study of organic geochemistry is traced to the work of Alfred E. Treibs, "the father of organic geochemistry." Treibs first isolated metalloporphyrins from petroleum. This discovery established the biological origin of petroleum, which was previously poorly understood. Metalloporphyrins in general are highly stable organic compounds, and the detailed structures of the extracted derivatives made clear that they originated from chlorophyll. Applications Energy Petroleum The relationship between the occurrence of organic compounds in sedimentary deposits and petroleum deposits has long been of interest. Studies of ancient sediments and rock provide insights into the origins and sources of oil and petroleum, as well as the biochemical antecedents of life. Oil spills in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Before Present
Before Present (BP) years, or "years before present", is a time scale used mainly in archaeology, geology and other scientific disciplines to specify when events occurred relative to the origin of practical radiocarbon dating in the 1950s. Because the "present" time changes, standard practice is to use 1 January 1950 as the commencement date ( epoch) of the age scale. The abbreviation "BP" has been interpreted retrospectively as "Before Physics", which refers to the time before nuclear weapons testing artificially altered the proportion of the carbon isotopes in the atmosphere, which scientists must now account for. In a convention that is not always observed, many sources restrict the use of BP dates to those produced with radiocarbon dating; the alternative notation RCYBP stands for the explicit "radio carbon years before present". Usage The BP scale is sometimes used for dates established by means other than radiocarbon dating, such as stratigraphy. This usage differs from ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sediment
Sediment is a naturally occurring material that is broken down by processes of weathering and erosion, and is subsequently transported by the action of wind, water, or ice or by the force of gravity acting on the particles. For example, sand and silt can be carried in suspension in river water and on reaching the sea bed deposited by sedimentation; if buried, they may eventually become sandstone and siltstone (sedimentary rocks) through lithification. Sediments are most often transported by water ( fluvial processes), but also wind ( aeolian processes) and glaciers. Beach sands and river channel deposits are examples of fluvial transport and deposition, though sediment also often settles out of slow-moving or standing water in lakes and oceans. Desert sand dunes and loess are examples of aeolian transport and deposition. Glacial moraine deposits and till are ice-transported sediments. Classification Sediment can be classified based on its grain size, grain sh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Western Europe
Western Europe is the western region of Europe. The region's countries and territories vary depending on context. The concept of "the West" appeared in Europe in juxtaposition to "the East" and originally applied to the ancient Mediterranean world, the Roman Empire ( Western Roman Empire and Eastern Roman Empire), and medieval " Christendom" ( Western Christianity and Eastern Christianity). Beginning with the Renaissance and the Age of Discovery, roughly from the 15th century, the concept of ''Europe'' as "the West" slowly became distinguished from and eventually replaced the dominant use of "Christendom" as the preferred endonym within the region. By the Age of Enlightenment and the Industrial Revolution, the concepts of "Eastern Europe" and "Western Europe" were more regularly used. Historical divisions Classical antiquity and medieval origins Prior to the Roman conquest, a large part of Western Europe had adopted the newly developed La Tène culture. As the Roman ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Freshwater Biological Association
The Freshwater Biological Association (FBA) is an independent scientific organisation founded in 1929 in Cumbria by Felix Eugen Fritsch, William Harold Pearsall, Francis Balfour-Browne, and Robert Gurney among others. Whilst originally created to be a research station it has evolved into a learned society whose mission is "to promote the sustainable management of freshwater ecosystems and resources, using the best available science". It works closely alongside other organisations, notably Natural Environment Research Council. The FBA promotes freshwater science through innovative research, maintained specialist scientific facilities, a programme of scientific meetings, production of publications, and by providing sound independent scientific opinion. As of 2010, the FBA hosted both published and unpublished collections, two specialist libraries and varieties of long term data sets from sites of scientific significance. It is managed by the Chief Executive who was assisted by 25 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
