Evidence for an Antarctic winter coastal polynya
Satellite infra-red imagery and meteorological data suggest the presence of winter open water (polynya) in the coastal pack ice to the north and west of the Brunt Ice Shelf. Satellite […]
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Satellite infra-red imagery and meteorological data suggest the presence of winter open water (polynya) in the coastal pack ice to the north and west of the Brunt Ice Shelf. Satellite […]
Both the injection of energetic particles at geostationary orbit and ground magnetic observations of Pi 2 wave activity are characteristic indicators of the onset of the substorm expansion phase. Occurrence […]
The observed polarisation of the horizontal magnetic components of whistler mode signals received at Halley, Antarctica (L≈ 4.3), is in many cases that expected from a simple model of the […]
Line-of-sight Doppler velocity V∗ and three-dimensional apparent echolocation (XL, YL, ZL), are among the principal parameters available for each ionospheric echo from most observing modes of the dynasonde. An ensemble […]
1. An automatic respirometer is described which has been developed to measure the rate of oxygen consumption by small arthropods in closed chambers. 2. The instrument removes 0.5 mul subsamples […]
Lead concentrations from an Antarctic snow pit show the pattern of Pb reaching the Antarctic atmosphere over the last 70 years. Between 1920 and 1950, the Pb concentration shows significant […]