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THE CHINA MAIL SATURDAY, NOVEMBER 11, 1950,

BLASTING GLACIERS TO UNLOCK WEATHER SECRETS

FROM THE EDGE of the ice fleld, which is squeezing, through a defile, Melvin G. Marcus and Maynard Miller look down into

Taku valley and Twin Glacier lake An explanation of banding on Twin Glacier was one of the studies undertaken during trip,

CIENTISTS studying the Arctic ico

warmer change in climate in the last few decades, resulting in glacial recession. In addition, they believe, when this informa tion fa correlated with other dată from all parts of the world explaining how glaciers were born, it may be possible to forecast. the general trend of the world's - climate for a century‘or more,

Shields declare there has been definite,

Weather information, vital to the arm. ed servicos as well as to scientists, will be immonsurably advanced by an expedition to Alaska planned by the American Geogra phical Society of New York. A continua- tion of a 1941 and 1948-49 ́series of studies, the field trip will allow scientista to penetrate deeper into the secrets of the Juneau Ice Field

Supported by the U.S. Office of Naval Research, and headed by Maynard Miller, explorer and geologist, the expedition is returning to the creeping mountains of ice to determine their depths, how they are je formed.

SUPPLIES are loaded into a Navy PBY patrol bomber at Juneau to be dropped by parachu at field camps. Members of

expedition were Rawit 2010 innding area on the ita feld's edge but had to haul their equipment in on their backs, and sledstvil

CROSSING A CREVASSE in Juneau Lee Field calls for utmost caution. Sometimes the snow bridge may look solld

but give way under the slightest weight. Studies of crevasse walls yield information on annual snow deposit.

SEIMMOLOGISTS S. W. Miller and C. F. Allen adjust equipment used for depth sounding on Taku Cilacier. Bicycle wheel is atted

with crelometer for measuring distance travelled. surface. Deepest depth sounded was 1,554 feet on

Arctic Experts Measure Movement of the Ice Field and Obtain Detailed Technical Information on the Earth's Climatic Variations

“for mirtirkor STUW

dda dyn is scattered over surface av budo

iation during following winter.

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