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UNITED STATES ANTARCTIC RESEARCH PROGRAM FIELD SEASON 1965-1966

KENDALL N. MOULTON1 A second major project was the establishment of a permanent facility at the site of the long-wire an- Office of Antarctic Programs tenna, 21 kilometers (13 miles) from . National Science Foundation This facility houses two men during the first winter and affords researchers the opportunity to expand the program of very-low-frequency (VLF) and extra-low-frequency (ELF) ionospheric studies. The 1965-1966 antarctic field season is the The three air-transportable units which make up eighth since the National Science Foundation ini- the facility and which are similar to those used at tiated the United States Antarctic Research Pro- , were flown by Navy LC-130F gram at the conclusion of the International Geo- aircraft directly to the site in January. The units physical Year. In spite of the difficult logistic were then installed and covered with a steel arch problems posed, this past season was a most suc- to protect them from heavy accumulation. cessful one. The main objectives of the scientific The installation of these air-transportable facili- program were accomplished, and the support of ties points to a trend over the past few seasons to- the many and diverse projects presented the U.S. ward the development of small, compact facilities Naval Support Force, , with one of its that can be easily transported to a site, set up, and greatest challenges since the establishment of the first then moved if required. United States stations in 1955-1956. The challenge was met enthusiastically and effectively. Remote Areas Explored A geological, geophysical, topographical, and bio- Research Station Network Extended logical survey of the Pensacola Mountains carried The highlight of the past season was the further eastward the exploration of the Transantarctic Moun- extension of the United States scientific station tains. Six separate scientific projects with a total of network in Antarctica. The first addition to this 18 scientists were combined to accomplish the survey. network since the IGY was , built in In order to establish such a party approximately the 1962-1963 season. The second was Palmer Sta- 1,700 kilometers (1,050 miles) from McMurdo tion in the , built in early 1964. Station and provide mobility in the field, three This year an eight-man research facility was built on Army UH-113 turbine helicopters were airlifted by the high polar plateau of at 79°15S. Navy LC-130F aircraft to a base camp in the 40°30E. and an elevation of 3,624 meters (11,890 Pensacola Mountains. With the close support of the feet). This station is equipped to support new re- helicopter unit, the research party accomplished in search projects in aurora, geomagnetism, meteorol- one season what would previously have taken several ogy, and very-low-frequency propagation and was years to complete with ground transportation alone. designed to be completely air transportable. The fa- While the Pensacola Mountains were being ex- cility was placed on site by Navy LC-130F aircraft plored, a seven-man party undertook the prelim- during the month of January, assembled, and made inary geologic reconnaissance of the recently dis- fully operational before the last aircraft departed the covered nunataks and mountain ranges bounding station on February 11, 1966. This airborne op- the northwestern edge of the Filchner Ice Shelf at eration was truly an outstanding example of pro- the base of the Antarctic Peninsula. Fielded 2,400 fessional airmanship and demonstrated the quality kilometers (1,550 miles) from McMurdo Station by and effectiveness of the U.S. Navy antarctic logis- LC-130F and LC-117 aircraft and utilizing motor tic capability. toboggans for transportation, the party spent from Concurrently, the operation of Eights Station was November 8, 1965, to January 17, 1966, mapping suspended. Much scientific equipment at the sta- and surveying an area of 13,000 square kilometers tion was transferred to Plateau Station. The rest of (5,000 square miles). the facility has been secured for possible reactivation The second phase of the -Queen during the next period of maximum solar activity. Maud Land Traverse was successfully accom- U.S. Antarctic Research Program Representative, Mc- plished. Recommencing at the Pole of Inaccessibil- Murdo Station, 1965-1966. ity on December 15, 1965, an 11-man research team

118 ANTARCTIC JOURNAL traveled 1,340 kilometers (725 n. miles) on a zigzag large-scale survey there. A special program to course to the new Plateau Station. The vehicles had study antarctic cirques (steep-walled recesses in been left at the at the comple- mountains caused by glacial erosion) of the Royal tion of last years traverse and were readied in the Society Range was inaugurated in an area between field for this years project. the Koettlitz and Mackay Glaciers. A study of the This program of geophysical exploration in- stratigraphy, deposition, and petrography of the Bea- cluded ice depth soundings, magnetic observations, con sediments was made in the dry valley area. The gravity readings, glaciological studies, altimetry, and paleomagnetic properties of volcanic rocks in the surface weather observations along the following McMurdo Sound area were examined. route: 82°07S. 55°06E. (Pole of Inaccessibility) The long-term patterned ground studies near to 82 0 00S. 09 0 06E., to 79°15S. 40°30E. (Plateau McMurdo Station were continued. These programs Station). At the conclusion of the traverse, vehicles in the vicinity of McMurdo made use of 585 were loaded aboard U.S. Navy LC-130F aircraft and hours of local Navy helicopter support and were flown to McMurdo Station for servicing. The take- further assisted by the completion of an offs from Plateau Station at 3,624 meters (11,890 sciences laboratory facility at McMurdo Station. feet) were accomplished without JATO at a maxi- Glaciology—A six-man field party remeasured mum cargo weight of 23,000 pounds per aircraft and strain stakes laid out between Ross Island and set a record for Navy Air Development Squadron Six Roosevelt Island during the 1962-1963 season. The LC-1 30F operations in Antarctica. party, using four motor toboggans and eight Nansen Significant ice thickness data were obtained by sledges, left McMurdo November 18, 1965, traveled the traverse personnel on the polar plateau, using approximately 1,050 kilometers (650 miles), and radio sounding equipment. The results compared arrived at its pickup point south of Roosevelt Island favorably with traditional seismic sounding meth- on January 7, 1966. They were supplied by LC-117 ods and proved conclusively that this method of aircraft operating from McMurdo Station and were measuring the ice thickness and detailing the rock picked up at their destination and returned to Mc- surface beneath the ice is reliable. Successful de- Murdo by an LC-130F aircraft on a routine cargo velopment of this equipment and its application to flight from Byrd Station. Antarctica will contribute greatly to future geo- A glaciological project was initiated this season physical investigations, particularly in East Ant- at the Meserve Glacier in the lower Wright Valley arctica, where relatively little work has been com- west of McMurdo Sound. The glacier, like several pleted. Further, if the sounding method proves to others in the dry valleys, is independent of the operate reliably from a long-range aircraft, a tech- antarctic ice sheet itself. Nourished by the névé nique to map antarctic sub-ice features quickly and fields in the hills between the ice-free valleys, the efficiently will be available for future exploration. glacier is in an apparent state of balance between accumulation and ablation. To study the mechanics Individual Research Projects of this unique glacier, a tunnel was dug at its base In addition to the seasonal highlights described and continued some 40 meters (130 feet) into the above, many individual research projects were car- ice, allowing samples and data to be taken inside the ried out. Some of these were continuations of past glacier as well as on its surface. years work. Some of them inaugurated new studies. A study to measure the amount of lead pollutants Most of them occurred, however, in geographical in antarctic snow was carried out. Samples, which areas where the reconnaissance surveys were already will be analyzed in the United States, were obtained completed and where specific, more detailed, and near Byrd Station and at a site 200 kilometers often more basic research is required. (125 miles) from Byrd Station. Geology—A study of ancient, glacial tillites A glaciological party reexamined the chain of (nonsorted, nonstratifled sediments deposited by a surface triangulation markers extending from Byrd glacier and cemented into rock form) in the Ohio Station 320 kilometers (200 miles) to the Whit- and Wisconsin Ranges of the Transantarctic Moun- more Mountains. It is planned to obtain aerial tains continued a program begun last year in the photography over this network in the 1966-1967 Falkland Islands. This study is directed toward un- season to determine horizontal ice movement and derstanding the geologic relationship of Antarctica strain along the survey line. Movement and accumu- to other continents of the Southern Hemisphere. lation stake networks were also remeasured at Byrd, Pursuing a parallel objective, a study of plant fos- Eights, and Pole Stations as a part of the long-term sils was conducted in the same area and in selected study of the direction and rate of the movement of areas of Victoria Land. Both of these projects were ice in these areas. extended to the Pensacola Mountains as part of the Biology—The seasonal biological program cen-

July-August, 1966 119 ANTARCTIC ACTIVITIES 1965-1966 United States Antarctic Research Program

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SOUTH PACIFIC

OCEAN I Go 0 100 200 300 400 500 goo

STATUTE MILES LEGEND STATION DESCRIPTION U.S., U.S. Cooperat;- Static- PEALLEPT ForeignStti LIII A.661 Photography for Mapping LONG. LONI LONG. LONG. LONG. Topographic Map Compilation SEA LEVEL G.I;I Field Parties

South Maud Land Traverse I (1964-65) ICE MORAINE ASH ICE ICE MEMO OF AIR 11 South Pole- Traverse 11(1965-66) SEAAIR AIR SEA AIR MR SUPPLY SEA

NUMBER OF 15 10 2 a it BUILDINGS MEAN ANNUAL Map CftI -14.6 N1.2 -36.7 TEMPERATURE (F) Biological Field XXXX Ice Shelf Survey WINTER PERSONNEL •..i Skip-Based Biological NAW) 17 STATION ONLY 260 Geophysical Investigations Al DISTANCE FROM WMURDO (STATUTE MILES) us

120 ANTARCTIC JOURNAL tered around the biology laboratory at McMurdo U.S. Antarctic Research Program Station, where numerous projects continued the pattern of research that has been productively Field Personnel, Summer 1965-1966 pursued over the past several years. A long-term —Eastwiiid Expedition study of the Adélie penguin was supplemented by Angle, J. Phillip, Biology, Smithsonian Inst. a study of the adaptive mechanisms of the emperor Dunser. Wolfgang S., Biology, Univ. of Miami penguin, making use of field research facilities at Fell, Jack W., Biology, Univ. of Miami Cape Crozier. In addition, a biologist at Hallett Flint, Oliver S., Jr., Biology, Smithsonian Inst. Station continued his analysis of parent-chick individ- Gressitt, J. Linsley, Biology, Bishop Museum Iippert, George E., Biology, Bishop Museum ual recognition in the Adélie penguin. A compara- Llano, George A., USARP Rep., Nail. Science Found. tive biochemical study of protein in the Adélie pen- Martin, Christopher, Biology, Univ. of Miami guin egg was carried on for the second consecutive Pastula, Edward J., Jr., Biology, Florida State Univ. summer, and endoparasites in antarctic penguins and Pawson, David L., Biology, Smithsonian Inst. Richter, Joseph J., Biology, Florida State Univ. antarctic fish, collected in the vicinity of McMurdo Squires, Donald F., Biology, Smithsonian Inst. Station, were studied. : strong, Jack E., Biology, Bishop Museum A new study of the thermal-metabolic relationships Walsh, John J., Biology, Univ. of Miami in antarctic stenothermal fishes was begun, utilizing Warnke, Detlef A., Biology, Florida State Univ. Watson, George E., Biology, Smithsonian Inst. scuba diving techniques at McMurdo to obtain speci- Yeater, Larry W., Biology, Florida State Univ. mens for study. A long-term entomological study of the antarctic area, with particular emphasis on Vic- Pensacola Mountains toria Land, was continued at Terra Nova Bay, Cape Behrendt, John C., Geophysics, U.S. Geol. Survey Boyd, Walter W., Geology, U.S. Geol. Survey Hallett, and in the Royal Society Range west of Ford, Arthur B., Geology, U.S. Geol. Survey (Calif.) McMurdo. The study of the submarine ecology, Heiser, James R., Topo Engineer, U.S. Geol. Survey acoustics, and parasitology of certain antarctic seals Henderson, John R., Geophysics, U.S. Geol. Survey was continued utilizing the sub-ice observation cham- Huffman, Jerry W., USARP Rep., Nail. Science Found. Meister, Laurent J., Geophysics, U.S. Geol. Survey ber at McMurdo Station. In connection with this Nelson, Willis H., Geology, U.S. Geol. Survey (Calif.) work, a two-week biological survey was made of the Rambo, William L., Geophysics, U.S. Geol. Survey Victoria Land coast from the Burton Rosser, Earl W., Topo Engineer, U.S. Geol. Survey Island in January. In addition to the seal studies, Ruthven, Richard W., Topo Engineer, U.S. Geol. Survey Schmidt. Dwight L., Geology, U.S. Geol. Survey collections of algae and insects were obtained using Soza, Ezekiel R., Topo Engineer, U.S. Geol. Survey shipboard helicopters. Wanous. Richard E., Geophysics, U.S. Geol. Survey Weher, Max K., Topo Engineer, U.S. Geol. Survey International Cooperation Wilkes, Owen, Biology, Bishop Museum Included in the U.S. Antarctic Research Program South Pole-Queen Maud Land Traverse II for the 1965-1966 summer were a number of co- l3ehling, Robert E., Glaciology, Ohio State Univ. operative activities involving scientists of other Beitzel, John F., Geophysics, Univ. of Wisconsin countries. A Norwegian glaciologist accompanied Boman, William M., Traverse Engineer, Univ. of Wisconsin the South Pole-Queen Maud Land Traverse II. Four Clough, John W., Geophysics, Univ. of Wisconsin Japanese limnologists continued studies of the lakes Elvers, Douglas J., Geomag., U.S. Coast & Geod. Survey Isherwood, William F., Geophysics, Uni. of Wisconsin in the dry valleys, and a Belgian geologist con- Kane, H. Scott, Glaciology, Ohio State Univ. ducted glacial geology studies in the same area. A Orheini, Olav, Glaciology, Norsk Polarinstitutt (Norway) New Zealand team conducted a snow and ice craft Parrish, Edward N., Traverse Engineer, Univ. of Wisconsin school at McMurdo Station for members of USARP Picciotto, Edgard F., Glaciology, Free Univ. of Brussels field projects and for the pararescue team of the (Belgium) Robinson, Richard R., Traverse Engineer, Univ. of Wis- Navys Air Development Squadron Six. consin U.S. Antarctic Research Program personnel also Ohio Range-Wisconsin Range joined foreign research expeditions. A representa- Frakes, Lawrence A., Geology, Univ. of California, L.A. tive of the U.S. Antarctic Research Program par- Matthews, Jerry L., Geology, Univ. of California, L.A. ticipated in the recommencement of Japanese field Neder. Irving R., Geology, Univ. of California, L.A. activities and the reopening of Showa Station. United Skinner, Courtney J., Geology, Univ. of California, L.A. States biologists visited a king penguin study area of Ross Ice Shelf Survey the Australians at Macquarie Island. A United States Dorrer, Egon, Glaciology, Grand Valley State College meteorologist joined the South African reconnais- Nottarp, Klemens J., Glaciology, Grand Valley State Col. sance of Bouvet Island. New Zealand and Chilean OHara, Norbert W., Glaciology, Grand Valley State Col. Reinwarth, Oskar, Glaciology, Grand Valley State College research personnel continued to participate in the Seufert, Wilfried, Glaciology, Grand Valley State College cruises of Eltanin. Stelling, David W., Glaciology, Grand Valley State College

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