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In the mid 1920’s, Sir Alister Hardy developed a radical new method for sampling plankton continuously, rather than taking spot samples using conventional plankton nets. The CPR was first used in Antarctic waters during the 1925-27 Discovery expedition…
A numerical procedure is presented for analysis of backscatter spectra recorded by an atmospheric Doppler lidar experiment. The recorded spectra are modelled by an analytic function of five parameters.
Spatio-temporal variability of zooplankton community structure off east Antarctica (90 to 160°E) was studied from 1988 to 1996 based on samples collected by the Japanese icebreaker Shirase. Three community groups with distinctive species compositions were obtained by cluster analysis.
Global thunderstorm activity maintains a variable potential difference … of the order of 250 kV between the quasi-equipotentials of the lower … reaches of the ionosphere and the Earth.