# Radok Lake

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{{short description|Lake in Antarctica}}
{{Infobox body of water
| name               = Radok Lake
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| location           = [Mac.Robertson Land](/source/Mac.Robertson_Land), [Antarctica](/source/Antarctica)
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| coordinates        = {{coord|70|52|S|68|00|E|region:AQ_type:landmark|display =inline,title}}<!-- {{coord|DD|MM|SS|N|DD|MM|SS|W|region:ZZ_type:waterbody|display =inline,title}} -->
| type               = [Meltwater](/source/Meltwater) [lake](/source/lake)
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| part_of            = 
| inflow = [Battye Glacier](/source/Battye_Glacier) and Glossopteris Gully
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| outflow = Pagodroma Gorge
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| length = ~
{{convert|10|km|mi|abbr=on}}<ref>[http://www.springerlink.com/en/article/radok-lake Radok Lake], on ''springerlink.com''</ref> 
| width = max.
{{convert|3|km|mi|abbr=on}}<ref>[http://www.springerlink.com/en/article/radok-lake Radok Lake], on ''springerlink.com''</ref>
| area =
{{convert|19.9|km2|sqmi|abbr=on}}<ref>[https://figshare.utas.edu.au/en/article/radok-lake Radok Lake], on ''utas.edu.au''</ref>
| depth              = <!-- {{convert|VALUE|UNITS}} must be used -->
| max-depth =
{{convert|367|m|ft|abbr=on}}<ref>[https://figshare.utas.edu.au/en/article/radok-lake Radok Lake], on ''utas.edu.au''</ref>
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{{convert|7|m|ft|abbr=on}}<ref>[http://www.springerlink.com/en/article/radok-lake Radok Lake], on ''springerlink.com''</ref>
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| pushpin_map             = Antarctica
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| pushpin_map_alt         = Location of Radok Lake in Antarctica.
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'''Radok Lake''' is a [meltwater](/source/meltwater) [lake](/source/lake) in [Antarctica](/source/Antarctica), {{convert|3|mi|spell=in}} southwest of [Beaver Lake](/source/Beaver_Lake_(Antarctica)) and {{convert|15|mi}} southeast of the [Aramis Range](/source/Aramis_Range), [Prince Charles Mountains](/source/Prince_Charles_Mountains). It is about {{convert|4|mi|spell=in}} long and marked by a slender [glacier](/source/glacier) tongue feeding into it from the west. It was plotted by Australian National Antarctic Research Expeditions ([ANARE](/source/ANARE)) from air photos taken by the [RAAF Antarctic Flight](/source/Antarctic_Flight_RAAF) in 1956. The lake was named for Uwe Radok, Reader (head) of [Meteorology](/source/Meteorology) Department at the [University of Melbourne](/source/University_of_Melbourne), who greatly assisted [Australian National Antarctic Research Expeditions](/source/Australian_National_Antarctic_Research_Expeditions) (ANARE)'s glaciological program.<ref>{{cite gnis|type=antarid|id=12299|name=Radok Lake|accessdate=2010-07-29}}</ref>

With a depth of {{convert|362|m}}, Radok Lake is the deepest known surface lake on the Antarctic continent<ref>[http://epic.awi.de/Publications/BerPolarforsch2003460.pdf The Expeditions Amery Oasis, East Antarctica, in 2001/02 and Taylor Valley, Southern Victoria Land, in 2002] {{webarchive|url=https://web.archive.org/web/20110724181052/http://epic.awi.de/Publications/BerPolarforsch2003460.pdf |date=2011-07-24 }}</ref> (whereas [Lake Vostok](/source/Lake_Vostok) is the continent's deepest [subglacial lake](/source/subglacial_lake)) and the only known [freshwater](/source/freshwater) lake to host a floating ice tongue glacier (the [Battye Glacier](/source/Battye_Glacier)).<ref>{{Cite web |url=http://www.aad.gov.au/default.asp?casid=2565 |title=The Amery Oasis, Northern Prince Charles Mountains |access-date=2010-07-29 |archive-date=2009-09-30 |archive-url=https://web.archive.org/web/20090930182447/http://www.aad.gov.au/default.asp?casid=2565 |url-status=dead }}</ref> It is drained by {{convert|3|mi|km|adj=mid|-long|spell=in}} Pagodroma Gorge in to Beaver Lake. Radok Lake is an [isothermal](/source/Isothermal_process), non-stratified lake (i.e., a homogeneous water body).<ref>Wand U, Hermichen WD, Brüggemann E, Zierath R, Klokov VD. ''Stable isotope and hydrogeochemical studies of Beaver Lake and Radok Lake, MacRobertson Land, East Antarctica.'', Isotopes Environ Health Stud. 2011 Dec;47(4):407-14. https://doi.org/10.1080/10256016.2011.630465. Epub 2011 Nov 17.</ref>

Bainmedart Cove ({{Coord|70|51|S|68|3|E|source:GNIS}}) is a [cove](/source/cove) about {{convert|1|nmi|km|0}} long in eastern Radok Lake. The cove leads to the narrow Pagodroma Gorge. The name is a composite one made from the names of C. Bain, A. Medvecky, and J. Dart who spent a month at the cove studying the geology of the lakes area during the ANARE [Prince Charles Mountains](/source/Prince_Charles_Mountains) survey in January–February, 1969.

Pagodroma Gorge is a steep-sided [gorge](/source/gorge) 3&nbsp;mi long which joins Radok and Beaver Lakes. Photographed from ANARE aircraft in 1956. The gorge was traveled by A. Medvecky, ANARE [geologist](/source/geologist) in January–February, 1969. Named by ANCA after the [snow petrels](/source/Snow_petrel) (''Pagodroma nivea'') which nest in the weathered [sandstone](/source/sandstone) walls of the gorge.<ref>{{cite gnis|type=antarid|id=11274|name=Pagodroma Gorge|accessdate=2010-07-30}}</ref>

Glossopteris Gully ({{coord|70|51|S|68|6|E|source:GNIS}}) is a steep-sided, narrow gully on the east side of Bainmedart Cove. It was named by ANCA after the ''[Glossopteris](/source/Glossopteris)'' fossil plant found in the upper part of the gully.

Fossil Wood Point ({{coord|70|50|S|68|2|E|source:GNIS}}) is a point of land between Bainmedart Cove and Radok Lake. It was so named because deposits of fossil wood were found on the point.

== Further reading ==
*  Bernd Wagner, Holger Cremer, ''[https://link.springer.com/chapter/10.1007/3-540-32934-X_57 Limnology and Sedimentary Record of Radok Lake, Amery Oasis, East Antarctica]'', In: Fütterer D.K., Damaske D., Kleinschmidt G., Miller H., Tessensohn F. (eds) Antarctica PP 447–454. Springer, Berlin, Heidelberg, https://doi.org/10.1007/3-540-32934-X_57
*  McKelvey, B., & Stephenson, N. ''[https://www.cambridge.org/core/journals/antarctic-science/article/geological-reconnaissance-of-the-radok-lake-area-amery-oasis-prince-charles-mountains/CEE3F1BBE5930248A1C06A743BD33867 A geological reconnaissance of the Radok Lake area, Amery Oasis, Prince Charles Mountains]'', Antarctic Science, 2(1), 53–66. https://doi.org/10.1017/S0954102090000062
* Wand U, Hermichen WD, Brüggemann E, Zierath R, Klokov VD. ''[https://www.ncbi.nlm.nih.gov/pubmed/22092172 Stable isotope and hydrogeochemical studies of Beaver Lake and Radok Lake, MacRobertson Land, East Antarctica.]'', Isotopes Environ Health Stud. 2011 Dec;47(4):407-14. https://doi.org/10.1080/10256016.2011.630465. Epub 2011 Nov 17.
* K.R. Walker and A. Mond, ''[https://d28rz98at9flks.cloudfront.net/12645/Rec1971_108.pdf MICA LAMPROPHYRE (ALNOITE) FROM RADOK LAKE, PRINCE CHARLES MOUNTAINS, ANTARCTICA]'', RECORD 1911/108

== External links ==

* [https://geonames.usgs.gov/apex/f?p=gnispq:5:0::NO::P5_ANTAR_ID:12299 Radok Lake] {{Webarchive|url=https://web.archive.org/web/20200122043849/https://geonames.usgs.gov/apex/f?p=gnispq:5:0::NO::P5_ANTAR_ID:12299 |date=2020-01-22 }} on [USGS](/source/USGS) website
* [https://data.aad.gov.au/aadc/gaz/display_name.cfm?gaz_id=1231 Radok Lake] on [AADC](/source/Australian_Antarctic_Data_Centre) website
* [https://data.aad.gov.au/aadc/gaz/scar/search_names_action.cfm?search_text=11822&feature_type_code=0&country_id=0&relic_options=include_relics&north=-45.0&south=-90.0&west=-180.0&east=180.0&search_near=&radius=0.5&gazetteers=SCAR Radok Lake] on [SCAR](/source/Scientific_Committee_on_Antarctic_Research) website
* [http://rses.anu.edu.au/~rich/bverairpics.htm Aerial photos of Radok Lake, Pagodroma Gorge and Beaver Lake] {{Webarchive|url=https://web.archive.org/web/20250328193108/http://rses.anu.edu.au/~rich/bverairpics.htm|date=2025-03-28}}
* [https://geographic.org/geographic_names/antname.php?uni=12299&fid=antgeo_119 Satellite image]

== References ==
{{reflist}}
{{USGS}}

Category:Lakes of Antarctica
Category:Bodies of water of Mac. Robertson Land

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Adapted from the Wikipedia article [Radok Lake](https://en.wikipedia.org/wiki/Radok_Lake) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Radok_Lake?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.