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An approach to polar research   /   Jones, T.O.
Arctic, v. 16, no. 3, Sept. 1963, p. 151-157, ill.
ASTIS record 9904
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Discusses role of the National Science Foundation in U.S. research in the Arctic and Antarctic. For the latter NSF has fostered a coordinated basic research program. Some features of it and techniques developed might be utilized in a bipolar program on problems of common interest, e.g. conjugate phenomena of the upper atmosphere, international cooperation, etc. Proposals for basic research in the Arctic are welcomed.


Changing patterns of Indian trapping in the Canadian Subarctic   /   VanStone, J.W.
Arctic, v. 16, no. 3, Sept. 1963, p. 158-174, ill., maps
ASTIS record 9905
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Describes changes observed among Chipewyans at Snowdrift in southwestern Mackenzie District in 1960-1961, and considers their duplication and significance throughout the Subarctic. At Snowdrift, trapping has decreased in area, intensity, and popularity. Among the factors responsible are other sources of income (mainly government), establishment of a school, improved village housing, and fluctuations in fur prices. Trapping patterns in various other communities examined from the literature indicate a general decline in the western and, to a lesser extent, eastern Subarctic. Some factors however, especially lack of other job opportunities, tend to foster continued trapping.


Entomological studies in the Lake Hazen area, Ellesmere Island, including lists of species of arachnida, collembola, and insecta   /   Oliver, D.R.
Arctic, v. 16, no. 3, Sept. 1963, p. 175-180
ASTIS record 9906
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Notes investigations in 1961 and 1962 at Camp Hazen and lists the species collected in 1961: 11 arachnid, 14 collembole, and 189 insect species; 25 others were collected in 1962. Species previously recorded in the Queen Elizabeth Islands are indicated; and a second list is given of those (15 arachnid, 17 collumbole, and 39 insects) recorded on the Islands but not taken at Camp Hazen.


Variation of soil temperatures in Ogotoruk Valley, Alaska   /   Weedfall, R.O.
Arctic, v. 16, no. 3, Sept. 1963, p. 181-194, ill.
ASTIS record 9907
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The study on which this paper is based was made under the auspices of the U.S. Atomic Energy Commission. Its purpose was to provide sufficient meteorological and climatological information about Ogotoruk Valley so that any changes in the biosphere and ecology of the valley after the proposed atomic excavation of the harbour could be more easily related to variations in the climate rather than to radiation aftereffects. ... The micrometeorological station network (Fig. 1) extended from the mouth of Ogotoruk Creek on the Chukchi Sea up to 6.5 miles inland, and the stations were spread on both sides of the 2-mile-wide valley. Specialized instrumentation was necessary only for the soil thermometers and pyrheliographs. The soil thermometers were of the hydrocarbon-in-steel type, manufactured by the Palmer Thermometer Company and permitted daily reading of the maximum and minimum temperature since the preceding observation. They were clamped between radiation shields for measuring air temperatures at 5 and 50 cm. above the ground and were buried at 5-, 10-, 20-, and 50-cm. depths in the soil at each of the stations. Solar radiation was measured by pyrheliographs with 7-day clockworks furnished by the Belfort Instrument Company. Almost two full summers of weather and soil temperature data were collected during 1960 and 1961. ...


Notes on the shoreline recession along the coast of the Yukon Territory   /   Mackay, J.R.
Arctic, v. 16, no. 3, Sept. 1963, p. 195-197, figures
ASTIS record 9908
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The 150-km.-long stretch of the coast between Herschel Island and the Mackenzie Delta terminates in bluffs cut into Pleistocene silts, sands, and gravels. No bedrock has yet been observed; if present, its occurrence must be very local. The coastal bluffs which are up to 50 m. high, are constantly being undermined by waves and by the melting of numerous thick tabular ground-ice sheets lying close to sea-level. As the ice sheets are found only in fine-grained sediments, coastal retreat is especially rapid long silty to clayey bluffs. Similarly rapid recession has taken place along the northern coast of Alaska and from the Mackenzie Delta east to Langton Bay. It is the purpose of this note to describe some of the geomorphological and historical evidence fo recession of the coast of the Yukon Territory. The field observations were made while the writer was carrying out studies for the Geographical Branch, Department of Mines and Technical Surveys, Ottawa.


The micrometeorological tower at Resolute, N.W.T.   /   Munn, R.E.
Arctic, v. 16, no. 3, Sept. 1963, p. 198-200, ill., figure
ASTIS record 9909
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Describes this tower in the Canadian Arctic Islands, and summarizes data, obtained Aug. 1957-Feb. 1961, on vertical profiles of temperature. Average hourly and monthly differences in temperature at 100 and 6.4 ft are presented. These show a temperature drop with increased height in daylight, and a rise with height during darkness, also an unexplained inversion in mid-afternoons, Apr.-June.


A thermograph for use in the Arctic   /   Adhav, R.S.
Arctic, v. 16, no. 3, Sept. 1963, p. 200-202, ill.
ASTIS record 9910
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Describes a portable, battery-operated instrument designed to record long-term temperate variation of the permafrost. The four-part unit can operate unattended, on a one-hr/day basis for up to 240 days. Temperatures in four ranges from -25 to +25 C can be recorded at six depths with an accuracy of two percent of the range.


Some soil-inhabiting, freshwater, and plant-parasitic nematodes from the Canadian Arctic and Alaska   /   Mulvey, R.H.
Arctic, v. 16, no. 3, Sept. 1963, p. 202-204
ASTIS record 9911
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Lists nematode genera (and the number of species in each) collected on the Canadian Arctic Expedition in 1915-1916, and at Lake Hazen, Ellesmere Island, in 1962. The former collection, identified by N.A. Cobb, but not hitherto reported (cf. No. 2817 pt. F), comprises 22 genera containing 47 species, about half of which are cosmopolitan. The Lake Hazen collection is the first the the High Arctic; it contains at least 30 described and several undescribed genera, comprising 60 or more species. Gen. Plectus is abundant in both collections.


A note on Ice Island WH-5   /   Nutt, D.C.   Coachman, L.K.
Arctic, v. 16, no. 3, Sept. 1963, p. 204-206
ASTIS record 55400
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As reported by Hattersley-Smith, Ice Island WH-5, the easternmost and largest (approximately 20 by 9 km.) of the islands resulting from the massive calving of the Ward Hunt Ice Shelf during the winter 1961-2, drifted eastward, whereas the other four islands drifted westward. WH-5, tracked through radar photography by the U.S. Navy "Birdseye" ice reconnaissance flights, continued its eastward movement during the winter 1962-3. It entered the Lincoln Sea, moved south through Robeson Channel and between February 24 and 28, 1963 became lodged across Kennedy Channel, with one end resting against the shore of Ellesmere Island and the other end held by mid-channel Hans Island. In this position the ice island formed an effective barrier to the southward movement of sea-ice from the Arctic Ocean. Open water soon appeared south of the obstruction and by May extended well into Kane Basin. In a study of WH-5 during the summer of 1963 emphasis was placed on physical oceanography, both to observe the local influence of the ice island and to take advantage of the unusual presence of open water in an area where ice normally restricts ship operations. The study was directed by D. C. Nutt and L. K. Coachman and was sponsored by the Arctic Institute with support from the U.S. Office of Naval Research and the U.S. Coast Guard and the collaboration of the Woods Hole Oceanographic Institution, the U.S. Naval Oceanographic Office, the U.S. Military Sea Transportation Service and the U.S. Air Force at Thule, Greenland. ... This brief note, based only on data immediately available, is being published to provide timely information on the recent drift and break-up of ice island WH-5. A more comprehensive report will follow. ...


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