| 词汇 | example_english_sabkha |
| 释义 | Examples of sabkhaThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. The lower-rank cycles in the saline pan/sabkha deposits consist of alternating dark and lighter gypsum, consisting of microgranular gypsum grown within shales and vertically aligned gypsum crystals, respectively. The climate variations lead to the very dynamic nature of a sabkha. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In drier parts of the sabkha the gypsum can be altered to anhydrite and the aragonite can be dolomitized diagenetically. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In the "khor-lagoon-sabkha" model, an initial rise in sea-level floods coastal areas and creates shallow water features. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Mature sabkhas are only flooded after heavy rainstorms and may eventually coalesce to form a sabkha coastal plain. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. As the sea withdrew around 230 million years ago, fluvial, mudflat, sabkha, and shallow marine environments developed, depositing gypsum (from lagoon evaporites), mudstones, limestones, sandstones, shales, and siltstones. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Halite is deposited on the surface of the sabkha and gypsum and aragonite precipitate in the subsurface via capillary action from brines brought up from the water table. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The net rate of evaporation from the sabkha can be as much as an order of magnitude less and has averaged 6 cm for the last 4,000 to 5,000 years. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. An immature sabkha will be inundated during higher than normal spring tides, after rainstorms, or when driving winds push seawater onshore to a depth of a few centimeters. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, after rains and flash-floods, the sabkha fill with shallow layers of water, and can not be crossed until they dry out to form a new crust. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Evaporites are classified as primary, secondary and tertiary, 'secondary' corresponding to diagenetic (including sabkha textures and mineralogies) and 'tertiary' to evaporites in the exhumation stage. The reason for this was probably that the sediments were deposited largely under sabkha conditions and therefore were particularly prone to exposure and freshwater flushing. During subsequent episodes of sulphate and chloride deposition, dense, residual brines were formed in saline lagoon, sabkha and playa environments. Complete cycles were produced by the upward gradation from central to marginal environments of the lake or saline pan-sabkha system. The sediment samples studied have a distinctive spectral signature owing to the vibration absorption features and photosynthetic pigments of the stratified microbial community that populate the sabkha environment. The prevailing north and northeastern winds influence the movement of water in the coastal inlets to the adjacent sabkhas, especially during storms. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The sabkhas can be as wide as 15 km when seaward of dune fields supplying large amounts of sediment. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Depositional environments may have included restricted marine bodies and ephemeral lakes (gypsum), hypersaline waters (limestone), hypersaline microbial mats (oil shale), and sabkhas (dolomite). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Inland of this are the supratidal sabkhas. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. East of the city, the salt-crusted coastal plains, known as "sabkha", give way to a north-south running line of dunes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The lagoons continue to fill until the lagoon floor is exposed at low tide, and the sabkha begins to form. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The flatness of a sabkha is enhanced by aeolian siliciclastic dust being deposited in the topographic lows with most of the relief caused by evaporites. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Other outdoor habitats designed that are yet to be constructed include wadi, sabkha, central fog desert and sand desert. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. You can see white deposits of salt covering the surface of the sabkha. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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