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FMI - Weather and Climate - Climate in Finland - The seasons
In the northernmost extremity of Finland, the polar night lasts for 51 days. In southern ... earlier than the south coast. The regions north of the Arctic Circle are characterized by 'polar days', when the sun does not set at all. The northernmost parts of Finland have ...
fmi.fi

Borge Ousland and Mike Horn's Trek to the North Pole - National Geographic Adventure Magazine
Text by Brad Wieners Photographs by Kjell Ove Storvik; Sebastian Devenish POLAR OPPOSITES: Børge Ousland (left) and Mike Horn will have to ... the North Pole in the pitch black 24-hour dark of polar night. They depart around January 15. ONLINE EXCLUSIVE: Listen to an audio ... North Pole and back in 1995. The two departed in the polar night, on February 12, but still a month closer to sunlight than ...
nationalgeographic.com

Reports to the Nation on Our Changing Planet: Our Ozone Shield
In the prelude to ozone depletion, ice particles form during the polar night, when several months of darkness descend on Antarctica and temperatures plummet below -80 degrees (C ... the Montreal Protocol -- such as methylbromide, which is used widely as a fumigant? How will polar ozone destruction affect populated countries? Will the Antarctic hole cause ozone declines over Chile, ...
www.ogp.noaa.gov

Why the banning of Chlorofluorocarbons is paranoia.
Perhaps the erosion of this ozone during the polar night is due to the same interaction of the solar wind with the Earth magnetic field ...
ourcivilisation.com

remote sensing
Vertical Sounder (TOVS) measures radiances. Since all these satellites are polar orbiters, there may be gaps in data on any given ... , and ClONO3. Unlike data from TOMS, CLAES can provide data at night, since it measures emitted radiation rather than solar radiance. However, ... cloudless conditions. The NOAA satellite that carries TOVS is a polar orbiter that passes close enough to the poles to give ...
www.cotf.edu

NASA Scatterometer Climate Record Pathfinder (Center for Remote Sensing - BYU)
Because the scatterometer radar signal can penetrate the surface, a scatterometer ... (1999+), and SeaWinds on ADEOS-II/Midori2 (2003). With their rapid global coverage, day or night and all-weather operation, scatterometers offer a unique tool for long-term climate studies. The ...
www.scp.byu.edu

NOAA/NGDC - Earth Observation Group - Defense Meteorological Satellite Progam, Boulder
Each DMSP satellite has a 101 minute, sun-synchronous near-polar orbit at an altitude of 830km above the surface of ... , providing global coverage twice per day. The combination of day/night and dawn/dusk satellites allows monitoring of global information such ... creation of an archive. Currently, data from 4 satellites (3 day/night, 1 dawn/dusk) are added to the archive each day. NGDC home ...
www.ngdc.noaa.gov

Toxic chemicals used as flame retardants are rapidly building up in the bodies of people and wildlife around the world
PCB's and DDT did. Even polar bears near the North Pole and sperm whales feeding in deep ocean waters are contaminated ... a special wish. The gift that is remembered every time they look up at the night sky. Useful Tips Make this your default browser page. Internet Explorer, Netscape Navigator. Bookmark This ...
ecolivingcenter.com

Polar bear control and management, Ursus arctos
Polar bears sleep about 7 to 8 hours a day. They tend to be more active at ``night'' during the ... threat posed by polar bears. Legends and artwork portray conflicts between northern people and polar bears. In recent times, polar bears have ... an expensive program, the polar bear jail at Churchill has reduced the number of polar bear problems and polar bear mortalities. Relocating problem ...
icwdm.org

The night sky in the World -  Pierantonio Cinzano
Maps of the artificial night sky brightness Maps of the total night sky brightness Maps ... Thiene, Italy All rights reserved The night sky in the World Satellite monitoring of the artificial night sky brightness and the stellar ... sun-synchronous polar orbits with an orbital period of 101 minutes. With 14 orbits per day they generate a global night time and ...
lightpollution.it