Arctic scientists on a 24|hour 'night shift' to measure effects of light ...

Arctic scientists on a 24-hour 'night shift' to measure effects of light ...

The team found that fish and zooplankton exhibited an almost instantaneous response when suddenly exposed to artificial light. What's more, this ...

What Does 24 Hours Of Light Do To People? | Up Here Publishing

While the movie uses the midnight sun as a set piece, the effects of all that sunlight on the human mind aren't too far off. In 2001, a Milanese doctor released ...

Satellite-derived data on artificial light at night indicate rapidly ...

More than 5% of the Arctic shows signs of human activity · Effects on terrestrial ecosystems and regional sustainability · Documenting industrial ...

An exploratory study examining the associations between sunlight ...

Thus, in Arctic, Antarctic and subarctic environments during seasonal periods of increased natural sunlight, increased day length has been ...

The role of circadian phase in sleep and performance during ...

The Antarctic environment presents an extreme variation in the natural light‐dark cycle which can cause variability in the alignment of the circadian ...

Artificial light at night reveals hotspots and rapid development of ...

In this study, we utilize satellite-derived artificial light at night (ALAN) data to quantify the hotspots and the development of light-emitting ...

Marine organisms illuminate the Arctic during polar night

Images taken during a recent 24-hour light measurement study revealed interesting differences in the sky throughout the day. At noon, the sky was perfectly ...

optics – What On Earth - NASA Blogs

What to Expect from the Arctic · “The light that's not reflected will heat the ocean, accelerating the warming and accelerating the melting of the sea ice.” · “As ...

Arctic scientists on a 24-hour 'night shift' to measure effects of light ...

Marine scientists have used the cover of darkness to expose how 'light pollution' is affecting creatures in the Arctic Ocean. Click here for original story, ...

Climate change is leading to Arctic light pollution and disrupting ...

Thanks to climate change, more humans are able to pass through the Arctic, and they're making the region's once black polar night brighter. A ...

Human seasonal and circadian studies in Antarctica (Halley, 75°S)

The melatonin rhythm is delayed during the Polar winter with no natural sunlight. Sleep timing is delayed during the winter, especially at weekends.

Circadian Rhythms in Polar Bears

... polar night and 24 hours of sunlight? Until recently, this question was surprisingly difficult for scientists to answer. Polar bears prefer to spend their ...

Individual light history matters to deal with the Antarctic summer

The effect of light, main zeitgeber of the circadian system, depends on the time of day it is received. A brief trip to the Antarctic summer ...

Polar night – Chronicles from Concordia - ESA's blogs

Corbett, R.W. et al: An hour of bright white light in the early morning improves performance and advances sleep and circadian phase during the ...

Arctic Polar Night Isn't for Sleep, Researchers Say - Sci.News

The Arctic polar night is not a period without any biological activity as had been assumed, says a large international team of biologists led by Norwegian ...

Saliva cortisol levels in construction workers in the Arctic (78° N)

In the period with 24 hours light per day (April/May) the workers who were on night shift had significantly higher cortisol levels at awakening (Estimate=1.092( ...

Night-shift work in antarctica: Sleep characteristics and bright light ...

Changes in sleep parameters during and after night-shift and the effects of bright white (2500–3000 1x) and dim red (>500 1x) light treatment on re ...

Considerations on how to light the night-shift - Sage Journals

The melanopic equivalent daylight illuminance (MEDI) measured at the eye of users complements the photopic illuminance measured at the desk. And ...

Artificial light during the polar night disrupts Arctic fish and ... - Nature

Other well-known examples of how artificial light affects organisms include the disorientation experienced by species that use natural light ...

Night work, season and alertness as occupational safety hazards in ...

The primary aim is to determine whether seasonal variations in temperature and light affect the detrimental effect of consecutive night shifts on sleep, ...