| 词汇 | example_english_tree-ring |
| 释义 | Examples of tree ringThese 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. Once visible, treering widths were measured to the nearest 0.15 mm under a dissecting scope using a monocular ruler. One hundred years of treering research in the tropics. Long-term treering chronologies from sympatric tropical dry-forest trees: individualistic responses to climatic variation. An introduction to treering dating. An annual ring table or tree-ring calendar is a time series of treering s of dendrochronological art tree. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. As of 2006, these uncertainties were considered too great to allow conclusion on whether the tree ring record diverges from other proxies during this period. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Comparison of overlapping series of tree rings allowed the construction of a continuous sequence of tree-ring data that spanned 8,000 years. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Hundreds of radiocarbon dates have been acquired and have been calibrated on four different curves, the most precise being based on treering sequences. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Additional treering studied were conducted in 1938 and 1964 expanded that knowledge. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The section discussed the divergence problem affecting certain treering data. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Related rigorous statistical methods had already been developed for treering data to produce regional reconstructions of temperatures, and other aspects such as rainfall. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Treering studies indicate that the site was occupied for about twenty years, beginning around 1185. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In some studies this issue has also been found with treering width. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. As a result, it has been possible to date the construction of many of them using treering counting techniques with remarkable accuracy. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Several scientific sources state that the decline being referred to is a decline in treering climate proxy metrics, not temperature. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radiocarbon dating was not introduced yet, and he could only rely on treering dating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Individual proxy records, such as treering widths and densities used in dendroclimatology, are calibrated against the instrumental record for the period of overlap. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. During the 1500s an extended drought, indicated by treering dating, forced the inhabitants to move on. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The use of treering analysis has proven the tree to be at least 2000 years old. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Through this process the treering record can be used to investigate past climatic conditions. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Treering samples have also been used previously to determine the extent of glacier retreat. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Treering studies show that 1601 was cold. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The colony has been estimated to be 80,000 years old, although treering samples date individual, above-ground, trees at only an average of about 130 years. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Most reconstructions shared some data series, particularly treering data, but newer reconstructions used additional data and covered a wider area, using a variety of statistical methods. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Thus, this same three-pulse pattern can be seen from tree rings, glacier advances, and last dates on buildings and monuments in the lowlands. Here we investigate the role of seasonal variation in annual and monthly precipitation and temperature on long-term growth rates measured by tree rings. It was this treering which helped in establishing a missing link in the ability to use tree rings as dating markers, and was the watershed moment in dendrochronology. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The temperature graphs calculated from instrumental temperatures and from these treering proxies thus diverge from one another since the 1950s, which is the origin of the term. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. As a tree grows, only the outermost treering exchanges carbon with its environment, so the age measured for a wood sample depends on where the sample is taken from. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The result would be that treering reconstructions could understate climate variability, and there has been scientific debate about the methodology and validity of these findings. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The amount of variance explained was lower for the tree fall samples than for the tree rings. Unfortunately, tree rings were intermittent in the collected increment cores, with no cores having rings for more than 30% of the length of the core. Hence, this strong geographical component of treering chronologies can be used to source timber samples at archaeological sites to uncover trade routes required for the site construction. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Long-term growth chronologies from tropical tree rings are an appropriate source for understanding several aspects of tropical tree growth. Researchers see it in absolutely everything—tree rings, lake sediments and bubbles trapped in ice cores. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Tree rings are wider when conditions favor growth, narrower when times are difficult. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. One example is that of dating objects, using observable evidence such as tree rings for dendrochronology or carbon-14 for radiometric dating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The concourse features a large wall mural of tree rings. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Dendrochronology can date the time at which tree rings were formed, in many types of wood, to the exact calendar year. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Using tree rings, scientists have estimated many local climates for hundreds to thousands of years previous. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In 1937, analysis of tree rings highlighted long-term climatic changes that have occurred in the region. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Tree rings are the basis of dendrochronology, which dates wooden objects and associated artifacts. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sources of proxy data include historical records (such as farmers' logs), tree rings, corals, fossil pollen, ice cores, and ocean and lake sediments. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Where this applies, a temperature trend extracted from tree rings alone would not show any substantial warming. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In 1955, an increment boring of the tree rings was taken and the tree's age was accurately determined to be 1,015 years. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Paleoclimatology seeks to reconstruct past climates by examining records such as ice cores and tree rings (dendroclimatology). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The variety of climatic proxies is greater than in any other natural recorder of climate, such as tree rings or sediment layers. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He uses natural recorded records such as tree rings. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The divergence might represent changes to other climatic variables to which tree rings are sensitive, such as delayed snowmelt and changes in seasonality. 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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