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Laclavère Plateau

Coordinates:63°27′S57°47′W / 63.450°S 57.783°W /-63.450; -57.783 (Laclavère Plateau)
From Wikipedia, the free encyclopedia
(Redirected fromDabnik Peak)
Plateau in Antarctica
Laclavère Plateau
Plateau
Laclavère Plateau is located in Antarctica
Laclavère Plateau
Coordinates:63°27′S57°47′W / 63.450°S 57.783°W /-63.450; -57.783 (Laclavère Plateau)
LocationTrinity Peninsula, Graham Land

Laclavère Plateau (63°27′S57°47′W / 63.450°S 57.783°W /-63.450; -57.783 (Laclavère Plateau)) is a plateau, 10 nautical miles (19 km; 12 mi) long and from 1 to 3 nautical miles (1.9 to 5.6 km; 1.2 to 3.5 mi) wide, rising to 1,035 metres (3,396 ft) between Misty Pass and Theodolite Hill,Trinity Peninsula, Antarctica. The plateau rises south ofSchmidt Peninsula and the Chilean scientific station,Base General Bernardo O'Higgins Riquelme.[1]

Location

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Trinity Peninsula, Antarctic Peninsula. Laclavère Plateau towards northeast end

Laclavère Plateau is inGraham Land towards the north of theTrinity Peninsula, which forms the tip of theAntarctic Peninsula.It is southeast of theHuon Bay, south of theDuroch Islands andSchmidt Peninsula, west of theMott Snowfield andDuse Bay and north ofBroad Valley.Named features include Misty Pass in the west and Theodolite Hill in the east.[2][3]

Name

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Laclavère Plateau was named by theUK Antarctic Place-Names Committee (UK-APC; 1963) after French cartographerGeorges R. Laclavère, President of theScientific Committee on Antarctic Research (SCAR), 1958–63.[1]

Features

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Named features, from west to east, include:

Misty Pass

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63°29′S57°59′W / 63.483°S 57.983°W /-63.483; -57.983. A pass, 700 metres (2,300 ft) high, between the head ofBroad Valley and a valley descending north toBransfield Strait, situated 8 nautical miles (15 km; 9.2 mi) southeast ofCape Ducorps. Mapped by theFalkland Islands Dependencies Survey (FIDS) in 1946, and so named because clouds pouring east through the pass had been noted by the survey party to herald bad weather.[4]

Prilep Knoll

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63°29′15″S57°58′45″W / 63.48750°S 57.97917°W /-63.48750; -57.97917An ice-covered hill rising to 713 metres (2,339 ft). Situated at the south entrance to Misty Pass west of Laclavère Plateau, 2.39 kilometres (1.49 mi) east ofMorro del Paso Peak, 1.41 kilometres (0.88 mi) south by west of Dabnik Peak, 10.08 kilometres (6.26 mi) west of Kanitz Nunatak and 6.72 kilometres (4.18 mi) north of Yarlovo Nunatak. Surmounting Broad Valley to the southeast. German-British mapping in 1996. Named after the settlement ofPrilep in Southeastern Bulgaria.[5]

Dabnik Peak

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63°28′31″S57°58′17″W / 63.47528°S 57.97139°W /-63.47528; -57.97139.A peak rising to 1,038 metres (3,406 ft)[6] high off the west extremity of Laclavère Plateau on Trinity Peninsula, Antarctic Peninsula. Situated on the east side of Misty Pass, 14.2 kilometres (8.8 mi) southeast of Cape Ducorps, 11.14 kilometres (6.92 mi) southwest of Ami Boué Peak and 9.81 kilometres (6.10 mi) west-northwest of Kanitz Nunatak. Surmounting Broad Valley to the south and Ogoya Glacier to the NW. German-British mapping in 1996. Named after the town ofDolni Dabnik in Northern Bulgaria.[7]

Ami Boué Peak

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63°25′01″S57°47′23″W / 63.41694°S 57.78972°W /-63.41694; -57.78972.A peak rising to 808 metres (2,651 ft)[8] high in the north extremity of Laclavère Plateau.Situated 8.79 kilometres (5.46 mi) south-southeast of Mount Jacquinot, 11.14 kilometres (6.92 mi) northeast of Dabnik Peak, 8.43 kilometres (5.24 mi) north of Kanitz Nunatak and 12.56 kilometres (7.80 mi) west-southwest of Fidase Peak. German-British mapping in 1996. Named after the French explorer of the BalkansAmi Boué (1794-1881).[9]

Kanitz Nunatak

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63°29′33″S57°46′41″W / 63.49250°S 57.77806°W /-63.49250; -57.77806.A rocky peak rising to 659 metres (2,162 ft)[10] high in the southern foothills of Laclavère Plateau. Situated 8.43 kilometres (5.24 mi) south of Ami Boué Peak, 9.81 kilometres (6.10 mi) east-southeast of Dabnik Peak, 6.15 kilometres (3.82 mi) north ofCain Nunatak and 9.84 kilometres (6.11 mi) west by south of Theodolite Hill. Overlooking Broad Valley to the S. German-British mapping in 1996. Named after the settlement of Kanitz in Northwestern Bulgaria, in connection with the Austro-Hungarian geographer and ethnographer Felix Kanitz (1829-1904).[11]

Theodolite Hill

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63°29′S57°35′W / 63.483°S 57.583°W /-63.483; -57.583. A hill, 680 metres (2,230 ft) high, with a small rock outcrop at its summit, standing at the southeast corner of a plateau-type mountain 5 nautical miles (9.3 km; 5.8 mi) west of the northwest end ofDuse Bay, in the northeast part of Trinity Peninsula. Discovered by the FIDS, 1946, and so named during their survey of the area because it served as an important theodolite station.[12]

Urguri Nunatak

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63°26′28″S57°34′10″W / 63.44111°S 57.56944°W /-63.44111; -57.56944.A rocky hill rising to 574 metres (1,883 ft).[13] Situated in the east foothills of Laclavère Plateau, 2.49 kilometres (1.55 mi) west by north of Abrit Nunatak, 3.72 kilometres (2.31 mi) north of Theodolite Hill and 7.5 kilometres (4.7 mi) south of Fidase Peak. OverlookingMott Snowfield to the north. German-British mapping in 1996. Named after the ancient and medieval fortress ofUrguri in Southeastern Bulgaria.[14]

Abrit Nunatak

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63°26′46″S57°31′10″W / 63.44611°S 57.51944°W /-63.44611; -57.51944.A rocky hill rising to over 556 metres (1,824 ft).[15]Situated east of Laclavère Plateau and south of Mott Snowfield, 4.47 kilometres (2.78 mi) northeast of Theodolite Hill, 2.49 kilometres (1.55 mi) east by south of Urguri Nunatak, 8.2 kilometres (5.1 mi) south by east ofFidase Peak and 4.83 kilometres (3.00 mi) southwest ofCamel Nunataks. Overlooking Mott Snowfield to the north and Retizhe Cove to the SE. German-British mapping in 1996. Named after the settlement of Abrit in Northeastern Bulgaria.[16]

References

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  1. ^abAlberts 1995, p. 410.
  2. ^Trinity Peninsula AG and BAS.
  3. ^Graham Land and South Shetland BAS.
  4. ^Alberts 1995, p. 496.
  5. ^Prilep Knoll SCAR.
  6. ^Antarctic REMA Explorer, 63°28′31″S 57°58′17″W.
  7. ^Dabnik Peak SCAR.
  8. ^Antarctic REMA Explorer, 63°25′01″S 57°47′23″W.
  9. ^Ami Boué Peak SCAR.
  10. ^Antarctic REMA Explorer, 63°29′33″S 57°46′41″W.
  11. ^Kanitz Nunatak SCAR.
  12. ^Alberts 1995, p. 741.
  13. ^Antarctic REMA Explorer, 63°26′28″S 57°34′10″W.
  14. ^Urguri Nunatak SCAR.
  15. ^Antarctic REMA Explorer, 63°26′46″S 57°31′10″W.
  16. ^Abrit Nunatak SCAR.

Sources

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REMA Explorer
TheReference Elevation Model of Antarctica (REMA) gives ice surface measurements of most of the continent. When a feature is ice-covered, the ice surface will differ from the underlying rock surface and will change over time. To see ice surface contours and elevation of a feature as of the last REMA update,
  • Open theAntarctic REMA Explorer
  • Enter the feature's coordinates in the box at the top left that says "Find address or place", then press enter
    The coordinates should be in DMS format, e.g. 65°05'03"S 64°01'02"W. If you only have degrees and minutes, you may not be able to locate the feature.
  • Hover over the icons at the left of the screen
  • Find "Hillshade" and click on that
    In the bottom right of the screen, set "Shading Factor" to 0 to get a clearer image
  • Find "Contour" and click on that
    In the "Contour properties" box, select Contour Interval = 1m
    You can zoom in and out to see the ice surface contours of the feature and nearby features
  • Find "Identify" and click on that
    Click the point where the contour lines seem to indicate the top of the feature
    The "Identify" box will appear to the top left. The Orthometric height is the elevation of the ice surface of the feature at this point.

Public Domain This article incorporatespublic domain material from websites or documents of theUnited States Geological Survey.

Coasts and plateaus of theAntarctic Peninsula
North to south:Feature • Coast •Feature • Coast • ...
West coast
Graham Land
Palmer Land
Ellsworth Land
East coast
Graham Land
Palmer Land
Ellsworth Land
Central plateaus
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