The deepest layer of the world's oceans gets no sunlight at all. This dark ocean layer is called the midnight zone or the aphotic zone (aphotic means "no light" in Greek). The depth of this zone depends on the clarity or murkiness of the water. Why is there little life at the bott...
Midnight ionosphere collapse at Arecibo and its relationship to the neutral wind, electric field, and ambipolar diffusion We report the analysis of “midnight collapse,” a large drop in the F-layer peak height (HmF2) around midnight, observed at Arecibo during Jan. 14–22, 20... Y Gong,...
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In daytime, polar cod of all sizes (7–95g) formed a dense aggregation in the deep inverse thermocline (160–230m, 1.0 to 0°C). From December (polar night) to April (18-h daylight), small polar cod <25g migrated into the isothermal cold intermediate layer (90–150m, 1.4°C) at...
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您指的是 “stearthly branch: 11 p.m.-1 a.m., midnight,withsolar month , year of the rat” 吗? ▾ 英语-中文正在建设中 例子: 1st earthly branch: 11 p.m.-1 a.m., midnight, 11th solar month (7th December 5th January), year of the Rat— ...
Zooplankton vertical migration enhances the efficiency of the ocean biological pump by translocating carbon (C) and nitrogen (N) below the mixed layer through respiration and excretion at depth. We measured C and N active transport due to diel vertical migration (DVM) in a Svalbard fjord at 79...
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