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The Life of Permafrost A History of Frozen Earth in Russian and Soviet Science
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The Life of Permafrost A History of Frozen Earth in ~ The Life of Permafrost provides an intellectual history of permafrost, placing the phenomenon squarely in the political, social, and material context of Russian and Soviet science. Pey-Yi Chu shows that understandings of frozen earth were shaped by two key experiences in the Russian Empire and the Soviet Union.
Russian Land of Permafrost and Mammoths Is Thawing - The ~ Russian Land of Permafrost and Mammoths Is Thawing Global warming is shrinking the permanently frozen ground across Siberia, disrupting everyday life in one of the coldest inhabited places on earth.
Melting Russian permafrost could speed up global warming ~ “Permafrost warming has the potential to amplify global climate change,” scientist Dr Boris K Biskaborn of the Alfred Wegener Institute, a polar and marine research organization, writes in an article published in the journal Nature. “When frozen sediments thaw it unlocks soil organic carbon.”
Permafrost: frozen ground - Eniscuola ~ Permafrost: frozen ground. When the mean annual temperatures of the air remain below zero for long periods of time, the water in the ground is always in the solid state, and the land is permanently frozen.This state is named permafrost (i.e. permanent ice).
To Dig a Well (in Siberia) / Environment & Society Portal ~ Her writings on the history of the earth sciences have appeared in the journal Environmental History and the edited volume The Future of Nature. Currently, she is working to complete her book, The Life of Permafrost: A History of Frozen Earth in Russian and Soviet Science. She was a Carson Fellow at the Rachel Carson Center for Environment and .
Worms frozen in permafrost for up to 42,000 years come ~ The roundworms from two areas of Siberia came back to life in Petri dishes, says a new scientific study. ‘We have obtained the first data demonstrating the capability of multicellular organisms for longterm cryobiosis in permafrost deposits of the Arctic,’ states a report from Russian scientists from four institutions in collaboration with Princetown University.
Permafrost / National Geographic Society ~ Permafrost is a permanently frozen layer on or under Earth's surface. It consists of soil, gravel, and sand, usually bound together by ice. Permafrost usually remains at or below 0°C (32ºF) for at least two years. Permafrost can be found on land and below the ocean floor. It is found in areas where temperatures rarely rise above freezing.
5 Strange Things Uncovered in the Melting Permafrost ~ See, the area all around the end of the earth is filled with natural gas deposits. For thousands of years the gas has been trapped in the ice. But as it melts, the gas is released and the earth above it is “released like a champagne cork,” leaving behind a ginormous pit. Frozen methane bubbles, a remnant of melting permafrost.
Frozen Microscopic Worlds Come Alive as Earth Warms / Live ~ As our planet warms, a world locked in permafrost will come alive, and researchers worry the tiny inhabitants of the frozen soil will start churning out greenhouse gases, magnifying global warming.
Permafrost / geology / Britannica ~ Permafrost, perennially frozen ground, a naturally occurring material with a temperature colder than 0 °C (32 °F) continuously for two or more years. Such a layer of frozen ground is designated exclusively on the basis of temperature. Part or all of its moisture may be unfrozen, depending on the
Permafrost - an overview / ScienceDirect Topics ~ Permafrost, also known as perennially frozen ground, is generally considered to be a thickness of soil, surficial deposits, or bedrock at a variable depth below the surface of the earth in which the temperature of the matrix has existed below the freezing point of water for a period of at least several years. Permafrost therefore may consist of .
Permafrost - Ice content / Britannica ~ Permafrost - Permafrost - Ice content: The ice content of permafrost is probably the most important feature of permafrost affecting human life in the north. Ice in the perennially frozen ground exists in various sizes and shapes and has definite distribution characteristics. The forms of ground ice can be grouped into five main types: (1) pore ice, (2) segregated, or Taber, ice, (3) foliated .
Permafrost and Transformations of Siberia ~ Pey-Yi has held fellowships at the Davis Center for Russian and Eurasian Studies and the Rachel Carson Center for Environment and Society, and her work has appeared in Environmental History and Environment and History. Her first book, The Life of Permafrost: A History of Frozen Earth in Russian and Soviet Science will be published by University .
Land Resources of Russia -- Maps of Permafrost and Ground ~ On Thin Ice: Expedition to a Crumbling Ice Shelf. Scientists blog from Antarctica and provide a glimpse of what it's like to do research in the field.
Pey-Yi Chu / Pomona College in Claremont, California ~ Her first book, The Life of Permafrost: A History of Frozen Earth in Russian and Soviet Science (forthcoming with University of Toronto Press) tells the history of permafrost as a scientific idea in order to uncover its multiple, contested meanings.
10 Amazing Permafrost Discoveries of Mummified Ice Age ~ Its brain, various internal organs, and even the snout, tips of ears, and tail, were well preserved after nearly 9,300 years in the frozen ground. Image Source: Dr. Gennady Boeskorov The four-year-old male bison was discovered in August 2011 by members of Yukagir tribe during their summer activities near Lake Chukchalak in the Yana-Indigirka .
Earth’s permafrost is heating up / Science News for Students ~ In northern North America, permafrost warmed up an average of 0.23 degree C (0.41 degree F). In northern Asia, frozen soil warmed up by 0.33 degree C (0.59 degree F). In mountainous regions, permafrost warmed by 0.19 degree C (0.34 degree F). Worldwide, the planet’s permafrost has warmed an average of about 0.29 degree C (0.52 degree F).
Frozen Giant Virus Still Infectious After - Live Science ~ It's 30,000 years old and still ticking: A giant virus recently discovered deep in the Siberian permafrost reveals that huge ancient viruses are much more diverse than scientists had ever known.
Can Zombie Pathogens Rise From Melting Permafrost And ~ There's a new fear from climate change: bacteria and viruses buried in frozen ground coming back to life as the Arctic warms up. We went digging in permafrost to find out how worried we should be.
Mapping Permafrost Country: Creating an Environmental ~ He also represented frozen earth as a cohesive physical geographic space that he called “the region of permafrost.” Although these ideas were contested, they suited the revolutionary moment in Russian and Soviet history. The notion of permafrost country highlighted the importance of an emerging discipline for Stalinist industrialization.
Anthrax Outbreak In Russia Thought To Be Result Of Thawing ~ Russia is experiencing its first anthrax outbreak in more than 70 years. One child died. Health officials think it might have been triggered by warming permafrost, which unleashed dormant bacteria.
Permafrost Research Program > Engineer Research and ~ Studying Permafrost Dynamics in a Warming ClimateOver 25 percent of the Earth’s land surface is permanently frozen, also known as permafrost. High latitude air temperatures have been rising for the last three decades, and this is prompting concern on what,
The principles of cryostratigraphy - ScienceDirect ~ In the case of permafrost, the near-surface layer that thaws and freezes annually is termed the active layer.Burn (1998) has discussed the terminology and definition of the active layer. In general, active-layer thickness may vary from less than 15–30 cm in peaty terrain and Quaternary-age sediments to over 5.0 m in many igneous and metamorphic rocks exposed to the surface.
Permafrost - Wikipedia ~ Study and classification of permafrost "In contrast to the relative dearth of reports on frozen ground in north America prior to World War II, a vast literature on the engineering aspects of permafrost was available in Russian.Beginning in 1942, Siemon William Muller delved into the relevant Russian literature held by the Library of Congress and the U.S. Geological Survey Library so that he .