Academic literature on the topic 'Always the Same Snow and always the same Uncle'

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Journal articles on the topic "Always the Same Snow and always the same Uncle"

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Perovich, Donald K. "Sunlight, clouds, sea ice, albedo, and the radiative budget: the umbrella versus the blanket." Cryosphere 12, no. 6 (2018): 2159–65. http://dx.doi.org/10.5194/tc-12-2159-2018.

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Abstract. The surface radiation budget of the Arctic Ocean plays a central role in summer ice melt and is governed by clouds and surface albedo. I calculated the net radiation flux for a range of albedos under sunny and cloudy skies and determined the break-even value, where the net radiation is the same for cloudy and sunny skies. Break-even albedos range from 0.30 in September to 0.58 in July. For snow-covered or bare ice, sunny skies always result in less radiative heat input. In contrast, leads always have, and ponds usually have, more radiative input under sunny skies than cloudy skies. S
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Duval, P. "Grain Growth and Mechanical Behaviour of Polar Ice." Annals of Glaciology 6 (1985): 79–82. http://dx.doi.org/10.3189/1985aog6-1-79-82.

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Crystal size in polar ice caps increases with depth from the snow surface down to several hundred meters. Data on crystal growth in isothermal polar snow and ice show the same linear relationship between the size of crystals and their age. This paper reviews the mechanical behavior of polar ice which exhibits grain growth. Grain boundary migration associated with grain growth appears to be an efficient accomodation process for grain boundary sliding and dislocation glide. For grain growth to occur, strain energy must always be lower than the free energy of boundaries. The sintering of ice part
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Duval, P. "Grain Growth and Mechanical Behaviour of Polar Ice." Annals of Glaciology 6 (1985): 79–82. http://dx.doi.org/10.1017/s0260305500010041.

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Crystal size in polar ice caps increases with depth from the snow surface down to several hundred meters. Data on crystal growth in isothermal polar snow and ice show the same linear relationship between the size of crystals and their age. This paper reviews the mechanical behavior of polar ice which exhibits grain growth. Grain boundary migration associated with grain growth appears to be an efficient accomodation process for grain boundary sliding and dislocation glide. For grain growth to occur, strain energy must always be lower than the free energy of boundaries. The sintering of ice part
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4

Neumann, T. A., M. R. Albert, R. Lomonaco, C. Engel, Z. Courville, and F. Perron. "Experimental determination of snow sublimation rate and stable-isotopic exchange." Annals of Glaciology 49 (2008): 1–6. http://dx.doi.org/10.3189/172756408787814825.

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AbstractSnow sublimation is a fundamental process that affects the snow crystal structure and is important for ice-core interpretation, remote sensing, snow hydrology and chemical processes in snow. Prior studies have shown that sublimation can change the isotopic content of the remaining snow; these studies have inferred sublimation rates using field data, and were unable to control many of the environmental parameters that determine sublimation rate (e.g. temperature, relative humidity, snow microstructure). We present sublimation rate measurements on snow samples in the laboratory, where we
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Rose, Brighton A., and Dr V. Chanthiramathi. "Literature as an Enquiry into Hidden Histories: A Study on Uncle Tom’s Cabin and American History." Think India 22, no. 3 (2019): 886–91. http://dx.doi.org/10.26643/think-india.v22i3.8409.

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Literature and History are two branches closely related to each other. Literature has always been the tool of bringing out the outcry of the oppressed class of people whose histories were little known of. History was never real. It is just the manipulation of facts and events by those holding thresholds of power in the society, in order to maintain their unquestionable power over those people subjugated by them. But still the manipulation of histories can be understood by a parallel study of a non-historical text published during the same period, which is brought out in the theory of New Histo
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Musacchio, Chiara, Graziano Coppa, Gaber Begeš, et al. "Effect of snow-covered ground albedo on the accuracy of air temperature measurements." Atmospheric Measurement Techniques 14, no. 9 (2021): 6195–212. http://dx.doi.org/10.5194/amt-14-6195-2021.

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Abstract. Solar radiation is one of the main factors which introduce significant deviations between thermometers reading and true air temperature value. Techniques to protect the sensors from direct radiative influence have been adopted almost since the beginning of meteorological observations. Reflected radiation from a snow-covered surface can also cause extra warming to thermometers hosted in solar shields, which are not always optimised to protect the sensors from this further radiative heat transfer. This phenomenon can cause errors in near-surface temperature measurements results, with a
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Pang, Shixuan, and Hartmut Graßl. "High-Frequency Single-Board Doppler Minisodar for Precipitation Measurements. Part I: Rainfall and Hail." Journal of Atmospheric and Oceanic Technology 22, no. 4 (2005): 421–32. http://dx.doi.org/10.1175/jtech1706.1.

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Abstract A high-frequency Doppler sodar for precipitation measurements has been developed. Such a Doppler sodar (6–20 kHz) can almost always measure precipitation and turbulence spectra simultaneously. Therefore, the mean vertical wind and spectral broadening effects can be directly removed. As the acoustic refractive indices for ice and liquid water are almost the same, the acoustic retrieval of precipitation can also be applied to rain with small hail (e.g., diameter D < 10 mm) or large hail, but for the latter, neglecting the effects of different orientations and shapes of hailstones
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Ghan, Steven J., and Timothy Shippert. "Physically Based Global Downscaling: Climate Change Projections for a Full Century." Journal of Climate 19, no. 9 (2006): 1589–604. http://dx.doi.org/10.1175/jcli3701.1.

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Abstract A global atmosphere–land model with an embedded subgrid orography scheme is used to simulate the period 1977–2100 using ocean surface conditions and radiative constituent concentrations for a climate change scenario. Climate variables simulated for multiple elevation classes are mapped according to a high-resolution elevation dataset in 10 regions with complex terrain. Analysis of changes in the simulated climate leads to the following conclusions. Changes in surface air temperature and precipitation differ from region to region in a manner similar to simulations without the subgrid s
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Nakaegawa, Tosiyuki. "Comparison of Water-Related Land Cover Types in Six 1-km Global Land Cover Datasets." Journal of Hydrometeorology 13, no. 2 (2012): 649–64. http://dx.doi.org/10.1175/jhm-d-10-05036.1.

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Abstract Land cover classification is a fundamental and vital activity that is helpful for understanding natural dynamics and the human impacts of land surface processes. Available multiple 1-km global land cover datasets have been compared to identify classification accuracy and uncertainties for vegetation land cover types, but they have not been adequately compared for water-related land cover types. Six 1-km global land cover datasets were comprehensively examined by focusing on three water-related land cover types (snow and ice, wetlands, and open water). The global mean per-pixel agreeme
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Ushio, Shuki. "Factors affecting fast-ice break-up frequency in Lützow-Holm Bay, Antarctica." Annals of Glaciology 44 (2006): 177–82. http://dx.doi.org/10.3189/172756406781811835.

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AbstractAntarctic fast-ice variation is investigated using satellite images and ship’s ice navigation logs, focusing on break-up phenomena in Lützow-Holm Bay. Although spatio-temporal scales for breakup events vary somewhat for each event, their commencement is generally in autumn and almost always in the same region. Specifically, the 1997/98 break-up event occurred over a wide area and continued for a long time after the initial break-up. Since then, break-ups have recurred until 2004, and a total of 20 annual events have been detected and monitored since 1980. Moreover, information from ice
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Conference papers on the topic "Always the Same Snow and always the same Uncle"

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Marani, Pietro, and Cristian Ferrari. "Suppression of High Frequency Oscillations on Suspension System of Snow Groomer With Evolutionary Algorithms Optimization." In 9th FPNI Ph.D. Symposium on Fluid Power. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/fpni2016-1534.

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In current engineering practice for the design and dimensioning of hydropneumatic suspension systems, the effect of main parameters is considered; this approach can be used to implement approximate models basically suitable to describe low frequency and high amplitude oscillations of the machine. The target of this study is a Snow Groomer, a tracked vehicle driven by diesel engines and equipped in front with a shovel and behind with a cutter. When the machine drives over a snowfield, it pushes snow ahead of it and, at the same time, smooths out any surface unevenness. The suspension system is
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