词汇 | example_english_glacial |
释义 | Examples of glacialThese 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 largest glacials were 2, 6, 12, and 16; the warmest interglacials, 1, 5, 9 and 11. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. There is a general correspondence between glacials in different regions. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Extensive evidence now shows that a number of periods of growth and retreat of continental glaciers occurred during the ice age, called glacials and interglacials. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The advent of sediment and ice cores revealed the true situation: glacials are long, interglacials short. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Rapid glacial erosion of mountain belts likely keeps pace with tectonic uplift, thus limiting the height of mountain belts. Viewed from the road above, the crushed glass roof covering and opaque glass skin of the walls dissolve the building into its glacial context. In this landscape a powerful combination of natural and artificial land forms exist of a scale reminiscent of glacial action or volcanic action or flooding. Large granite glacial boulders unearthed in the mining process. There is no systematic correspondence of pluvials to glacials, however. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. There is currently no evidence available for microbes living in glacial ice without initially melting it before analysis. The registry clerk also noted that the glacial rivers were not so dangerous or difficult to cross as later became dominant in the area descriptions. Glacial drift, both as till and fluvial deposits, is a major contributor to a variety of both micro- and macro-landforms. The lake is fed by ephemeral glacial streams during 6 -8 weeks in the summer. Most investigators have accepted a glacial formation, but some prefer a soft-sediment mechanism. On short time scales, there seems to be a rather clear relationship between sedimentation rates and glacial- interglacial cycles. Where, for example, are the predicted pre-glacial micrometazoans? Sediments derive from the submarine erosion of rock outcrops, the reworking of old glacial deposits during post-glacial sea-level rises, glacial outwash, and ice rafting. After a few minutes, remove glacial acetic acid, add distilled water, leave for 10 minutes. iv. The cycles in the isotope ratio were found to correspond to terrestrial evidence of glacials and interglacials. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Repeated glacial activity is described, involving destructive (erosional) processes, together with associated constructional (depositional) events. An attempt to frame a working hypothesis of the cause of glacial periods on an atmospheric basis. The latter include detrital beds with fluvial characteristics that are interpreted as glacial outwash, as well as one or two thin layers of phreatomagmatic tuff. In conclusion, there is no doubt that this (and the previous volume) represents a near state-of-the-art review of most aspects of glacial environments. Techniques used in the analysis of past glacial environments are summarized and a number of research issues are highlighted. The book this is an excellent lead-in to any glacial research topic in which one might be interested. Remodelling by multiple cycles of deep weathering and erosion in preglacial, glacial, and postglacial times paved the way to the present terrain. There is an abundance of rounded, flat landforms resulting from marine, glacial and periglacial erosional processes. Again, this chapter jumps around, from the formation of glacial striae, to beach ridges, to climate change. The book ends with two short chapters, dealing with glacial sedimentation in the past and the influence of glacial sediments within different tectonic settings. The glacial/interglacial record, reviewed and discussed in the fourth chapter, is therefore restricted by comparison to the details in later sections. The task was complicated by the glacial nature of the terrain. Furthermore, this evidence was difficult to date exactly; early theories assumed that the glacials were short compared to the long interglacials. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Despite the difficulties, analysis of ice core and ocean sediment cores has shown periods of glacials and interglacials over the past few million years. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The core we analysed was 5.6 m long and bottomed out in glacial flour. The author tries to answer the question as to where will the discipline of glacial geology go in the future. The abrupt return to base line values of some excursion curves may reflect this glacial period and associated nondeposition. During the late glacial period, environmental change was governed by climate, which was cooler and much drier and suppor ted sparse temperate vegetation. Precambrian tillites generally lack radiometric age constraints sufficient for correlation of glacial episodes. Criteria for identifying ancient glacial deposits are summarized, and their distribution in time and space are reviewed. Trematodes and cestodes were fixed in a mixture of 85% ethanol, 10% glacial acetic acid, and 5% formalin, and nematodes were fixed in 70% ethanol. The majority of glacial boulders are gneisses and amphibolites. They describe its origins in peri-glacial, peri-montane and peri-desert environments, give details of a variety of other characteristics and requirements for its formation. A glaciomarine or fluvio-glacial origin of parts of this formation is indicated. Glacial drainage patterns are likely to follow weak deformation zones and therefore cover important information for the construction of geological models. Pennsylvanian tropical rain forests responded to glacial-interglacial rhythms. Each does, however, serve as facies indicator and so have reinforced the interpretation of discrete glacial events separated by longer non-glacial intervals. 221 strong emphasis is placed upon digital maps of glacial limits. The trace fossils show a strong glacial to interglacial variation in their abundance with a special preference for intervals with low sedimentation rates. The record of the oceans leading up to glaciation is more difficult to construct due to common erosional truncation of sub-glacial strata. In chapter six the author writes of glaciers and glaciation, moving on to glacial erosion and deposition. At the time of retrieval, 25 seeds were fixed in formalin -acetic - alcohol (formaldehyde, glacial acetic acid and denatured ethanol, 10 : 5 : 85 v/v). Further, the route to the continental ice was relatively easy, although the ice-free terrain was hilly and strewn with glacial boulders. During the seventeenth century, farms and vegetation were widespread on sandar, and glacial rivers could usually be crossed. Response to nutrient amendments in contaminated peri-glacial soils: mechanisms and guidelines for maximizing the rate of biodegradation. Moreover, the names are apt to be used interchangeably for glacials, interglacials, stadial, interstadials, or oscillations, leading some scientists to deplore the lack of system. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. To illuminate these seemingly glacial movements, we need to study popular protest over the long term, thereby bringing together several centuries of accumulated perceptions. The glacials in the following tables show "historical" usages, are a simplification of a much more complex cycle of variation in climate and terrain, and are generally no longer used. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Despite these superlatives, the lake has yet to be sampled directly, owing to the logistics involved with penetrating the nearly 4 km of glacial ice that overlies it. The origin of the overlying diamictite (tillite vs. debris-flow) is not constrained by the presence of glacial striations and most probably was deposited some time after striation formation. A study of the nature and incidence of density currents in a shallow glacial lake. Temperature depression in the lowland tropics in glacial times. Overall, this is an excellent book and certainly represents compulsory reading for undergraduate and postgraduate students who wish to carry out fieldwork in glaciology and glacial geomorphology. However, a newly discovered c. 2.5 mm thick zone of brecciation under rare polished striations indicates a hard substrate during formation and thus a glacial origin for the striations. Clearly, a significant amount of geochronological and chemostratigraphic work on many glacial/interglacial deposits worldwide is still required before we can be entirely sure of global correlations. He looked me straight in the eye with his glacial blue stare as he tore the announcement in two, and then into four, and flung it on the floor. The remainder of the book is divided into superbly comprehensive chapters on a variety of techniques in glaciology and those used to investigate and map glacial geomorphology. The role of oceanatmosphere reorganizations in glacial cycles. Also, the rigid seniority/no retirement system that produced a glacial pace of command turnover was suspended under the urgent wartime need to find energetic commanders. Because, in passing through the interface between glacial and vitreous humors, all of the rays are refractively funneled in proper, corresponding order, into the hollow optic nerve. Nematodes were fixed in glacial acetic acid, rinsed several times in 70% ethyl alcohol and preserved in 95 parts 70% ethyl alcohol and 5 parts pure glycerine. Simplified diagram showing relations between the eustatic sea-level curve, glacial episodes (indicated by diamictite occurrences), stratigraphic gaps, and periods of deposition in non-glaciated regions (corresponding to interglacials). Post-glacial cap carbonates provide a robust geochemical record of the seawater upon deglaciation, though the potential influence of local hydrological and depositional variability must be considered. Innumerable boulders, relics of the glacial period encumbered the track, the only sound we heard was the croak of the curlew the whistle of the golden plover. Moving at a glacial pace, always ahead. On the return journey he was able to complete the soundings and thus achieve the first and remarkably detailed profile of the ice and sub-glacial terrain. Bacterial recovery from ancient glacial ice. Thermal waters: structural and glacial control. Earth's glacial record and its tectonic setting. Laplandian glacial horizons and their analogs. We are facing floods, desertification, water shortages, forest fires, glacial meltdown, and changes in the flora. From Europarl Parallel Corpus - English The progress has rightly been described as glacial in that there has been virtually no movement at all. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Overlying the bedrock are fluvial and glacial deposits, which are highly variable in their composition, density, porousness and other relevant properties. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 One must remember that a farmer's livelihood is just as important as the facility to view a glacial till. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The area consists of one side of a typical glacial river valley. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Base-of-overburden samples may be taken where glacial deposits are widespread or there is reason to suspect transport of elements of interest. Temperatures initially were slightly warmer than during the last glacial maximum. The concentration on arid and glacial regions was probably also partly instrumental in the development of climatic geomorphology. Despite the glacial pace of mantle motions, could these be sufficiently free to organize themselves to maximize entropy production ? However, viable algae have not been isolated from ancient glacial ice. Samples from the normal smooth surface of the gneiss boulder show that the surface has been ground and polished during glacial transportation. The processes as monitored by stable isotopes seem too slow to generate distinct glacial periods. Trematodes were fixed in glacial acetic acid and pressed between two slides, and preserved in 70% ethyl alcohol. In many cases the substrate to the diamictites would have been relatively soft, allowing both debris-flow and glacial movements to have formed large gouges. The parent material consists mainly of fluvio-glacial sandstone which is deeply weathered. A drop of 100% methanol and 75% acetic acid followed by a drop of 100% methanol and glacial acetic acid were placed on the embryos. When half of the thiocyanate solution was added, 25 ml of glacial acetic acid was dropped and the solution was stirred for two more hours. All comparative samples were macerated in a 2:1 mixture of 30% hydrogen peroxide and glacial acetic acid. The area still has potential for the discovery of mineralisation but the relief with thick glacial deposits which hamper exploration. His intellectual ability had a profound influence on the geological theories of many of his colleagues, especially in the field of glacial deposits. 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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