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Seif dune
| Глоссарий геологических терминов |
A large, sharp-crested, elongated, longitudinal (linear) dune or chain of sand dunes, oriented parallel, rather than transverse (perpendicular), to the prevailing wind. if unmodified, the crest, in profile, commonly consists of a succession of curved slip faces produced by strong, but infrequent cross winds. a part 629 - glossary 629-69 (430-vi-nssh, 2008) seif dune may be as much as 200 m high and from 400 m to more than 100 km long. compare - longitudinal dune. gg and hp
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Dune, английский
Dune field, английский
An assemblage of moving and/or stabilized dunes, together with sand plains, interdune areas, and the ponds, lakes, or swamps produced by the blocking of waterways by migrating dunes. see dune lake. sw & sss
Dune lake, английский
(a) a lake occupying a deflation basin as in a blowout on a dune. (b) a lake occupying a basin formed by the blocking of a stream by sand dunes migrating along a shore (e.g. moses lake, wa). gg
Dune slack, английский
A damp depression or trough between dunes in a dune field or dune ridges on a shore, caused by intersecting the capillary fringe of the local water table; a moist type of interdune. compare - interdune, dune lake. sw & gg part 629 - glossary 629-27 (430-vi-nssh, 2008)
Dune terrace, английский
Dune tracking, английский
Наблюдения за перемещением дюн
Dunedin, английский
Г. данидин (адм. центр стат. р-на отаго, о. южный, новая зеландия)
Dunemobile, английский
Автомобиль для езды по песчаным дюнам
Dunes, английский
An anglo-saxon word still in use, signifying mounds or ridges of drifted sands. (see downs.)
Dunett, английский
Seif, английский
Seifert, английский
Longitudinal, английский
- Generally parallel to the direction of the wood fibres.
- Продольный
- Generally, parallel to the direction of the wood fibers.
- Продольный, относящийся к долготе, стрингер
- [1] extending in the lengthwise direction, as distinguished from transverse. [2] said of any fore-and-aft structural member, such as a frame or bulkhead.
- Running lengthwise.
- Along the length of a structure.
- Direction parallel to the long axis of an object and perpendicular to its radius — for example, down the length of a cylinder. compare circumferential; radial; transverse. lot tolerance percent defective (ltpd): the poorest quality, in percent defective, individual lot that is acceptable in a sampling plan. ltpd is the percent defective that will be accepted by the sampling plan at most 10 percent of the time. with such a plan, the producer agrees to supply just enough nonconforming product such the consumer will accept the lot using the agreed to sampling plan and acceptable quality level. compare acceptable quality level. lumen (lm): si photometric unit of luminous flux, weighted according to the photopic vision response. one lumen equals the light emitted by one candela (cd) point source into one steradian (sr) solid angle (1 lm = 1 cd/sr).
Transverse, английский
- Across. a transverse section is a section across the length of a building or room.
- Поперечный
- Directions in wood at right angles to the wood fibers
- Perpendicular to the keel (athwartship).
- Across the vessel; athwartships. trim - fore and aft balance of a boat.
- Literally, “across,” usually signifying a direction or plane perpendicular to the direction of working.
Perpendicular, английский
- Перпендикуляр; перпендикулярный
- A right line falling from or standing upon another vertically, and making the angle of 90° on both sides.
- Перпендикуляр
Prevailing, английский
Succession, английский
- A line of happenings, one after the other she had a succession of miscarriages.
- The orderly progression of changes in a community composition that occurs during development of vegetation in any area; from initial colonization to the attainment of the climax typical of a particular geographic area. micro s.: a dying tree, for example forced by winds to break causes a successional chain of events (also known as degrative succession. - see mosaic climax). autotropic s.: a temporal succession of species location principally involving plants. allogenic s.: a temporal succession of species at a location that is driven by external influences which alter conditions (contrary to autogenic); e.g. silt deposits changes a marshland to woodland. autogenic s.: a temporal succession of species at a location that is driven by processes operating with the community (contrary to allogenic), e.g. primary and secondary succession, that occur on newly exposed land. degraditive s.: degradable resources (feces, dead organisms) are utilized successively by a number of species; there is a link between succession on plant litter and soil formation. heterotrophic s.: a temporal succession of species at a location, principally involving animals. primary s.: soon after a region is denuded, a variety of pioneer species begin to colonize the bare ground and they modify the environmental conditions (e.g. a retreating glacier, early organisms provide the soils needed by succesing organisms - facilitation). secundary s.: follows major changes to an established ecosystem. catastrophic weather events, fire, or human activities all disturb the environment. after such an event on land, well-developed soil remains, giving pioneer species an easy foothold, but also on abandoned agricultural areas. order of s.: once an ecosystem is established, succesion does still take place on a smaller, slower, more complex scale. • degrative oos.: dead organic matter (feces etc ) trigger a succesional change of decomposing organisms until substance is completely recycled. • interactive oos.: interaction between species, e.g. herbivores in an habit; birds feed on caterpillar - too many caterpillars feeding on leaves can decrease competitiveness of plant, in which the bird lives. theories of s.: disturbances in ecosystems open up an area with the following scenarios: • facilitated: only certain pioneer species are capable of becoming established in the open space, but if certain species can exist and establish as adults under prevailing conditions, so that either can be: • tolerated: modification of the environment by early occupants has little or no effect on subsequent recruitment of later successional species, or • inhibited: occupants by early organisms make it less suitable for recruitment of late successional species, e.g. ulva sp.
- The passing of property or legal rights after death. the word commonly refers to the distribution of property under a state’s intestate succession laws, which determine who inherits property when someone dies without a valid will. when used in connection with real estate, the word refers to the passing of property by will or inheritance, as opposed to gift, grant, or purchase.
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Semi-bolson, английский
(colloquial: western usa) a wide desert basin or valley that is drained by an intermittent stream, an externally drained (open) intermontane basin. compare - bolson gg
Sedimentary peat [soil taxonomy], английский
An accumulation of organic material that is predominantly the remains of floating aquatic plants (e.g. algae) and the remains and fecal material of aquatic animals, including coprogenous earth. compare - herbaceous peat, moss peat, woody peat, peat, muck, and mucky peat. ssm
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