All Rights Reserved. Sentence with the word permafrost The temperature in the permafrost is rising in Alaska, northwest Canada, Siberia and Northern Europe. This isn’t so preposterious a senario, because there is an est. : In regions influenced by permafrost, water migrates along the thermal gradient from warm to cold, thereby feeding ice in the frozen core. This has enormous implications for the infrastructure in this area of continuous permafrost. • An estimated 50% of surface permafrost will melt by 2050, and 90% by 2100. • Methane is more than 20 times as strong a greenhouse gas as CO2-the sudden release of just 35 billion tons of methane would be like doubling the CO2 in the air. Some 15, 000 years ago the permafrost began to melt. The shape of the buffer section has the maximum diameter of the frost valve on a permafrost side and a pipe laying standard cross section on a non-permafrost side. Permafrost definition: Permafrost is land that is permanently frozen to a great depth. ASTIS includes all subjects, and covers all of Canada north of the southern limit of discontinuous permafrost as well as adjacent marine areas. "Beyond affecting the humans and wildlife that call the area home, the Arctic's warmer temperatures and decreases in permafrost, snow cover, glaciers and sea ice also have wide-ranging consequences for the physical and biological systems in other parts of the world," NOAA Administrator Jane Lubchenco said in a statement. 32. So maybe warming thaws the permafrost, which in turn produces more greenhouse gases, and more warming. The word usage examples above have been gathered from various sources to reflect current and historial usage. Permafrost occupies nearly a quarter of the Northern Hemisphere, but as global temperatures rise, it's melting. Silly environmentalists are concerned about permafrost melting, which goes to show just how rational environmentalists really are. : Increased snow and ice melt have caused higher rivers while thawing permafrost has wreaked havoc … – something my grandparents (who also lived in Alaska) never saw in there lifetimes. In the summer, the cold temperatures kept permanent layers of ice on the ground, permafrost, which turned to mud on warmer days. I am from Alaska where the permafrost is now melting (” perma” frost – it never melts – but wait? , Without human interference, permafrost will stay frozen all year. 「カテゴリ」「情報源」を複数指定しての検索が可能になりました。（プレミアム会員限定）, The shape of the buffer section has the maximum diameter of the frost valve on a permafrost side and a pipe laying standard cross section on a non-permafrost side.例文帳に追加, 緩衝区間の形状は、永久凍土側ではフロストバルブの最大径とし、非永久凍土側ではパイプ埋設標準断面とする。 - 特許庁, One fifth of the earth's surface is covered by permafrost.例文帳に追加, To provide a laying method of a chilled gas pipe line in which bending stress produced in a boundary between permafrost and non-permafrost can be suppressed in a chilled gas pipeline laid in a permafrost area.例文帳に追加, 永久凍土地帯に敷設されたチルドガスパイプラインにおいて永久凍土と非永久凍土の境界部に発生する曲げ応力を抑制できるチルドガスパイプラインの敷設方法を提供すること。 - 特許庁, The fruit tissue was excavated from squirrel burrows 38 meters underground in the Siberian permafrost in Russia.例文帳に追加, その実の組織はロシア・シベリアの永久凍土の地下38メートルにあるリスの巣穴から発掘された。 - 浜島書店 Catch a Wave, “This success may enable us to bring back to life the mammoths sleeping in the permafrost of Russia,” said Professor Iritani Akira of Kinki University.例文帳に追加, 「この成功によって，我々はロシアの永久凍土に眠るマンモスをよみがえらせることができるかもしれない。」と近畿大学の入(いり)谷(たに)明(あきら)教授は語った。 - 浜島書店 Catch a Wave. :In regions influenced by permafrost, water migrates along the thermal gradient from warm to cold, thereby … Copyright © Japan Patent office. Much of the Arctic Circle is covered with permafrost, which is defined as any rock or soil that maintains a below-freezing temperature for at least two years. The combination of ground temperatures only slightly below zero, high ice contents and steep slopes, makes mountain permafrost particularly vulnerable to changes. , When the permafrost does melt, it can create hazardous environmental conditions. '9 Though Presbyterians are unanimous in adopting the general system of church polity as here outlined, and in claiming New 1 Phil. Choose a language, then type a word below to get example sentences for that word. permafrost in a sentence. Until recently, permafrost has locked carbon and methane beneath the surface of the planet. © 2020 UseEnglishWords.com. Permafrost, a component of the cryosphere, plays an important role in the climate system. 400 billion tons of methane locked up in permafrost ice, and an est. In some areas, permafrost is now emitting carbon, which could potentially accelerate the greenhouse effect and global warming. In the subarctic regions, changes are obvious as large areas of permafrost begin to melt and ice-free sea passages increase. never? permafrost in a sentence That would have put the victims 3 feet into eternal permafrost. huh? : 2. Because of the permafrost, Aikhal was built on steel poles for support. Copyright © 2020 LoveToKnow. The temperature in the permafrost is rising in Alaska, northwest Canada, Siberia and Northern Europe. All Rights Reserved. permafrost conditions prevailed during glacial periods. The region is characterized by permafrost, and smectite and kaolinite are the common authigenic … The “flip-side” of having large amounts of methane gas gradually escape the Arctic’s thawing permafrost is that some of it could eventually be harnessed to generate electricity. : The rest of the year what little soil there is on the surface is rock hard above permafrost. permafrost meaning: 1. an area of land that is permanently frozen below the surface 2. an area of land that is…. Within a few decades, if we don’t curb fossil fuel use. Thermoprobes are non-structural, high-capacity, two-phase thermosyphons that provide passive refrigeration to maintain, or create, Subarctic climates are cold with continuous, In Southeast Asia, many smaller mountain glaciers formed, and, Release of methane and carbon dioxide stored in, Potential methane release from the region, especially through the thawing of, These hills appear to have been formed during the last ice age under, A severe threat to tundra is global warming, which causes, The idea here is that rising air and soil temperatures thaw, Drunken trees leaning in random directions are often found in spruce forests where discontinuous, The gravel will keep the steel pipe from sinking, even if underlying, Miners initially sank shafts to prospect for the pay streaks by building a fire atop the, By drift mining, miners were able to recover much of the gold buried under the, During winter season Lower Tunguska contains little water as its basin lies in the region of, Cause of this was the strong freezing and thawing of the bottom due to deeply thawed, Most maternity dens are in snowdrifts, but may also be made underground in, Thermal erosion is the result of melting and weakening, For example, these so-called thermosyphons are in use in the Alaskan oil pipeline, in order to keep the heat from the pipes from melting the, In joint research with Canada, Japan succeeded in producing such gas from, This alone would however not have been enough to create a widespread glaciation or, Summer warmth is insufficient to thaw more than a few surface feet, so, The region is of paleontological significance, as it contains bodies of prehistoric animals from the Pleistocene Epoch, preserved in ice or.