Data

An atlas of the lakes of the Larsemann Hills, Princess Elizabeth Land, Antarctica - ANARE Research Notes 74

Name: An atlas of the lakes of the Larsemann Hills, Princess Elizabeth Land, Antarctica - ANARE Research Notes 74
Published: 2005-04-12

Australian Antarctic Data Centre

BURGESS, JAMES ; GIBSON, JOHN A.E.

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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=info:doi10.4225/15/547BECDE478D9&rft.title=An atlas of the lakes of the Larsemann Hills, Princess Elizabeth Land, Antarctica - ANARE Research Notes 74&rft.identifier=10.4225/15/547BECDE478D9&rft.publisher=Australian Antarctic Data Centre&rft.description=From the abstract of the ANARE Research Note: The Larsemann Hills are a series of granite and gneiss peninsulas extending into Prydz Bay, between the Amery Ice Shelf and the Sorsdal Glacier. They are dissected by steep-sided valleys produced by at least two glacial stages in the Holocene. There are over 150 freshwater lakes in the hills, ranging from small ponds less than 1 m deep, to glacial lakes up to 10 ha and 38 m deep. The lakes are young, with the oldest basins being about 9000 years old. Variations in the characteristics of the lakes reflect deglaciation history, proximity to the continental ice margin and exposure to the ocean. The main source of the water is snow melt, augmented by sea spray into the more exposed lakes. The waters are well mixed by katabatic winds. Most lakes thaw for up to 2 months in summer, but some are permanently frozen. The waters have mainly low conductivity and exceptionally low turbidity, and have near-neutral pH values. The ionic order is Na+ greater than Mg2+ greater than Ca2+ greater than K+. This reflects a strong marine influence, with calcium dominating in a very few catchments. The Larsemann Hills were discovered in 1935 by Captain Klarius Mikkelsen in the Thorshavn. Australian, Chinese and Russian stations were established in the area in the mid-late 1980's. Law (Australia) was commenced in 1986 when an Apple Hut was unloaded from MV Nella Dan. A subsequent visit was made during the 1986 winter. The first Australian scientific expedition visited the area during the 1986-87 austral summer. Progress Station (Russia) was occupied at the time. Building of Zhong Shan commenced in January 1989. ******************* Several files are associated with this metadata record: 1) A PDF copy of the original ANARE Research Note 2) A CSV file containing the data presented in the ANARE Research Note 3) A shapefile of the lakes presented in the ANARE Research Note The fields in this dataset are: lake_id lake_name (text) location (text description) longitude (decimal degrees) latitude (decimal degrees) altitude (m) lake_area (ha) catchment_area (ha) maximum_depth (m) dimensions (m) distance_from_polar_plateau (m) description (text) geology (text) water_temperature (C) pH water_conductivity (micro mho/cm) Eh (reduction potential, mV) ca_concentration (Ca++, ppm) mg_concentration (Mg++, ppm) na_concentration (NA+, ppm) k_concentration (K+, ppm) ionic_ratios_na_ca_mg_k (ionic ratio of na:(ca+mg+mk)) ionic_ratios_ca_na_k_mg (ionic ratio of ca:(na+k+mg)) bottom_sediment_grab_sample (text description of results)&rft.creator=BURGESS, JAMES &rft.creator=GIBSON, JOHN A.E. &rft.date=2005&rft.coverage=northlimit=-69.3; southlimit=-69.7; westlimit=76.1; eastLimit=76.6; projection=WGS84&rft.coverage=northlimit=-69.3; southlimit=-69.7; westlimit=76.1; eastLimit=76.6; projection=WGS84&rft_rights=This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/). Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=ANARE-74 when using these data.&rft_subject=biota&rft_subject=environment&rft_subject=geoscientificInformation&rft_subject=inlandWaters&rft_subject=EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > SURFACE WATER > SURFACE WATER FEATURES > LAKES/RESERVOIRS&rft_subject=WATER DEPTH&rft_subject=EARTH SCIENCE&rft_subject=TERRESTRIAL HYDROSPHERE&rft_subject=SURFACE WATER&rft_subject=CONDUCTIVITY&rft_subject=WATER QUALITY/WATER CHEMISTRY&rft_subject=NUTRIENTS&rft_subject=PH&rft_subject=WATER TEMPERATURE&rft_subject=EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > FRESHWATER ECOSYSTEMS > LAKE/POND&rft_subject=ALTITUDE&rft_subject=CALCIUM&rft_subject=FRESHWATER&rft_subject=DEPTH&rft_subject=EH&rft_subject=GEOLOGY&rft_subject=LARSEMANN HILLS&rft_subject=LAKES&rft_subject=PH&rft_subject=POTASSIUM&rft_subject=MAGNESIUM&rft_subject=SEDIMENT&rft_subject=SODIUM&rft_subject=TEMPERATURE&rft_subject=WATER CHEMISTRY&rft_subject=HELICOPTER&rft_subject=FIELD SURVEYS&rft_subject=CONTINENT > ANTARCTICA > Larsemann Hills&rft_subject=GEOGRAPHIC REGION > POLAR&rft_place=Hobart&rft.type=dataset&rft.language=English Access the data

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This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/). Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=ANARE-74 when using these data.

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A pdf copy of the research note, a spreadsheet (in csv format) of the data contained in the ANARE Research Note, and a shapefile representing the lakes are available for download from the URLs given below. The shapefile has been formatted according to the SCAR Feature Catalogue, which includes data quality information.

Brief description

From the abstract of the ANARE Research Note: The Larsemann Hills are a series of granite and gneiss peninsulas extending into Prydz Bay, between the Amery Ice Shelf and the Sorsdal Glacier. They are dissected by steep-sided valleys produced by at least two glacial stages in the Holocene. There are over 150 freshwater lakes in the hills, ranging from small ponds less than 1 m deep, to glacial lakes up to 10 ha and 38 m deep. The lakes are young, with the oldest basins being about 9000 years old. Variations in the characteristics of the lakes reflect deglaciation history, proximity to the continental ice margin and exposure to the ocean. The main source of the water is snow melt, augmented by sea spray into the more exposed lakes. The waters are well mixed by katabatic winds. Most lakes thaw for up to 2 months in summer, but some are permanently frozen. The waters have mainly low conductivity and exceptionally low turbidity, and have near-neutral pH values. The ionic order is Na+ greater than Mg2+ greater than Ca2+ greater than K+. This reflects a strong marine influence, with calcium dominating in a very few catchments. The Larsemann Hills were discovered in 1935 by Captain Klarius Mikkelsen in the Thorshavn. Australian, Chinese and Russian stations were established in the area in the mid-late 1980's. Law (Australia) was commenced in 1986 when an Apple Hut was unloaded from MV Nella Dan. A subsequent visit was made during the 1986 winter. The first Australian scientific expedition visited the area during the 1986-87 austral summer. Progress Station (Russia) was occupied at the time. Building of Zhong Shan commenced in January 1989. ******************* Several files are associated with this metadata record: 1) A PDF copy of the original ANARE Research Note 2) A CSV file containing the data presented in the ANARE Research Note 3) A shapefile of the lakes presented in the ANARE Research Note The fields in this dataset are: lake_id lake_name (text) location (text description) longitude (decimal degrees) latitude (decimal degrees) altitude (m) lake_area (ha) catchment_area (ha) maximum_depth (m) dimensions (m) distance_from_polar_plateau (m) description (text) geology (text) water_temperature (C) pH water_conductivity (micro mho/cm) Eh (reduction potential, mV) ca_concentration (Ca++, ppm) mg_concentration (Mg++, ppm) na_concentration (NA+, ppm) k_concentration (K+, ppm) ionic_ratios_na_ca_mg_k (ionic ratio of na:(ca+mg+mk)) ionic_ratios_ca_na_k_mg (ionic ratio of ca:(na+k+mg)) bottom_sediment_grab_sample (text description of results)

Issued: 2005-04-12

Data time period: 1987-01-01 to 1987-02-28

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text: northlimit=-69.3; southlimit=-69.7; westlimit=76.1; eastLimit=76.6; projection=WGS84

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AU-ANL:PEAU : http://nla.gov.au/nla.party-617536 NLA Link

Identifiers

URI : data.aad.gov.au/metadata/records/ANARE-74
Local : ANARE-74
DOI : 10.4225/15/547BECDE478D9
global : 9a56792a-7b76-44b0-8df9-8b3b6ad3cc4d

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