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By Malcolm Mellor

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Published via the yankee Geophysical Union as a part of the Antarctic study Series.

Glaciology, now greatly outlined because the research of ice in all kinds, is frequently considered as a a few what esoteric topic, even though it takes little concept to dispel the thought. The sheer volume of ice in the world, including its earlier and current results on geophysical techniques and human task, instructions cognizance, whereas while ice itself proves to be an amazing fabric for learning techniques and houses that contain nearly the full box of classical physics. With the belated marriage ceremony of educational ice physics and glacier learn, glaciology is contributing considerably to geophysics and fabrics technology, as is evidenced through persisted help for examine either within the laboratory and within the box.

Some ninety according to cent of the world's ice is inside the Antarctic ice sheet, a glacier of continental proportions approximately which little used to be identified ahead of the overseas Geophysical 12 months. on account that 1957 the us, by way of keeping in the course of the nationwide technology origin a full of life Antarctic glaciological application, has made a magnificent contribution of data that's mirrored partially through the papers and references during this quantity. by way of coming into heartily into the spirit of overseas cooperation that has so brightened contemporary Antarctic endeavors, the U.S. has made one more contribution: to human figuring out and to the diffusion of information. This too is mirrored right here, for greater than half the authors got here into this system from international international locations. a lot has been discovered, yet extra is still studied, because, as learn may still, the investigations have raised new questions as quickly as outdated ones have been spoke back. ahead of efforts are renewed in strength, in spite of the fact that, there can be a few evaluate of the huge difficulties and of the tools to be had for his or her answer; during this appreciate the subsequent number of papers might be necessary.

Glaciology, now generally outlined because the learn of ice in all varieties, is frequently considered as a slightly esoteric topic, even though it takes little inspiration to dispel the concept. The sheer volume of ice in the world, including its earlier and current results on geophysical tactics and human job, instructions cognizance, whereas even as ice itself proves to be a fantastic fabric for learning tactics and houses that contain virtually the total box of classical physics. With the belated marriage ceremony of educational ice physics and glacier learn, glaciology is contributing considerably to geophysics and fabrics technology, as is evidenced through endured aid for study either within the laboratory and within the box.

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In selecting sites for the movement markers more high than low areas were chosen, so that the elevation Between stakes 8A and 8B there is a change in profile in Figure 17 is more nearly a maximum movement direction of nearly 8 degrees,whereas elevation profile. between stakes 11 and 8B the maximum change For the calculation of the volume of ice discharge between adjacent stakes is lessthan 3 degrees,and the glacier is consideredto be a floating body, even between stakes 8A and 4 the maximum change be- though some evidence suggeststhat it may be tween adjacent stakes is 5x• degrees (stakes 7 and grounded as far out as stake 8A.

5-1 C 1-2 and a mechanic--made the trip in three Sno-Cats. D >2 Ice thickness studies, altimctry, glaciological studies, geomagneticobservations,and weather ob- Snow density. Using CRREL •' snow density tubes, servations were conducted along the traverse. Gen- samples were taken horizontally from the surface erally, a day- or overnight-stop station was set to the pit bottom. Geographicposition, and 500 cms in volume. The separation of each topographicfeatures, and somegeophysicaldescrip- sample, from 5 to 15 cm, depended on the strations of day- or overnight-stopstations are shown tiffcation.

2 SHIMIZU Snow Crystal Observation made with a microscope, and photomicrographs Snow crystal (precipitation) observations were made at the glaciology laboratory, a Sno-Cat lo- were taken. cated about 300 meters east of the station. This Sno-Cat headed into the prevailing wind, north-northeast, and was connectedby a guide rope with the main hatch entrance of the station. For snow crystal observation,the back door, generally the lee side, was opened,and a glassplate was set inside near the door to obtain a sample.

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