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Frozen Planet is a 2011 British nature documentary series. It was produced as a co-production between the BBC Natural History Unit, Discovery Channel, Antena 3 Television S.A., ZDF, Skai tv and The Open University, in association with Discovery Channel Canada. [2]
Whilst the Arctic region is one of many natural sources of the greenhouse gas methane, there is nowadays also a human component to this due to the effects of climate change. [2] In the Arctic, the main human-influenced sources of methane are thawing permafrost, Arctic sea ice melting, clathrate breakdown and Greenland ice sheet melting.
'Chicago Beach Keeps Locals Warm During Polar Vortex' – video new report from Voice of America. Chicago river frozen during 2019 polar vortex February 1, 2019. In the Chicago area, temperatures plummeted as low as −23 °F (−31 °C) at O'Hare International Airport on January 30, with a windchill of −52 °F (−47 °C).
Arctic warming negatively affects the foraging and breeding ecology of native Arctic mammals, such as Arctic foxes or Arctic reindeer. [91] In July 2019, 200 Svalbard reindeer were found starved to death apparently due to low precipitation related to climate change. [92] This was only one episode in the long-term decline of the species.
Water was the original coolant for internal combustion engines. It is cheap, nontoxic, and has a high heat capacity. It however has only a 100 Kelvin liquid range, and it expands upon freezing. To address these problems, alternative coolants with improved properties were developed.
The Arctic Ocean is the mass of water positioned approximately above latitude 65° N. Arctic Sea Ice refers to the area of the Arctic Ocean covered by ice. The Arctic sea ice minimum is the day in a given year when Arctic sea ice reaches its smallest extent, occurring at the end of the summer melting season, normally during September.
The crumb problem was solved with the addition of a gelatin coating on the foods to lock in and prevent crumbs. [13] Disease-producing bacteria and toxins were reduced by quality control and the development of the Hazard Analysis and Critical Control Points (HACCP) plan, which is widely used today to evaluate food material before, during, and ...
1770–1771: Samuel Hearne traces the Coppermine River to the Arctic Ocean; 1773: Ivan Lyakhov discovered Kotelny Island; 1773: The Phipps expedition towards the North Pole reaches 80° 37 ′ N, north of Spitsbergen. [1] This was the first Arctic expedition to carry out scientific research. [2]