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Meltwater geochemistry and biological characteristics of the Darwin Glacier region of Antarctica
Entry ID: K081_2007_2008_NZ_3


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Summary
Abstract: Freshwater ponds have long been recognised as an important local biodiversity element in the Antarctic landscape. A suite of relatively easily measured chemical and biological variables that provide key information on the structure of Antarctic aquatic ecosystems have been measured at several sites in the Ross Sea region in conjunction with the Latitudinal Gradient Project and were measured more recently in areas around the Darwin glacier. Samples were collected from the following meltwater catchments: Lake Wilson, Diamond Hill, Lake Wellman area, Grant Valley (Lake Hendy),the Foggy Dog Glacier region and Tentacle Ridge. In addition, several moraine based ponds and several supraglacial ponds were sampled opportunistically. Water samples are to be analysed for pH, salinity, conductivity, Na, K, Ca, Mg, Cl, SO4, HCO3, DIC, DOC, Chlor-a, isotopes (O18, D2, Tr3), dissolved nutrients (NO3, DRP, NH3, TDN, and TDP), particulate nutrients (PNPP, PNPC), viruses and bacteria, and selected trace elements. Cyanobacterial mats and sediments will be analysed for species composition (incl. genetics), and invertebrates. The mineralogy of salts precipitated in pond sediments and in soils will also be determined.

Related URL
Link: VIEW PROJECT HOME PAGE


Geographic Coverage
 N: -79.0 S: -80.0  E: 160.0  W: 156.0
 Min Altitude: 127  Max Altitude: 1453  Min Depth: 0  Max Depth: 3

Temporal Coverage
Start Date: 2009-01-13
Stop Date: 2009-01-29


Location Keywords
CONTINENT > ANTARCTICA > DARWIN GLACIER
GEOGRAPHIC REGION > POLAR


Science Keywords
BIOSPHERE >TERRESTRIAL ECOSYSTEMS >WETLANDS    [Definition]
TERRESTRIAL HYDROSPHERE >WATER QUALITY/WATER CHEMISTRY >CONDUCTIVITY    [Definition]
TERRESTRIAL HYDROSPHERE >WATER QUALITY/WATER CHEMISTRY >NUTRIENTS    [Definition]
TERRESTRIAL HYDROSPHERE >WATER QUALITY/WATER CHEMISTRY >PH    [Definition]
TERRESTRIAL HYDROSPHERE >WATER QUALITY/WATER CHEMISTRY >WATER TRACE ELEMENTS    [Definition]
BIOLOGICAL CLASSIFICATION >PLANTS >MICROALGAE    [Definition]
BIOSPHERE >AQUATIC ECOSYSTEMS >LAKES    [Definition]
BIOSPHERE >ECOLOGICAL DYNAMICS >ECOSYSTEM FUNCTIONS >BIOMASS DYNAMICS    [Definition]


ISO Topic Category
BIOTA
INLAND WATERS


Platform
FIELD SURVEYS    [Information]
FIELD INVESTIGATION    [Information]


Project
LTER >Long-Term Ecological Research    [Information]
LGP >Latitudinal Gradient Project    [Information]
EBA >Evolution and Biodiversity in the Antarctic    [Information]


Data Set Progress
IN WORK


Data Center
Antarctica New Zealand, New Zealand Antarctic Institute, New Zealand    [Information]
Data Center URL: http://www.antarcticanz.govt.nz/

Data Center Personnel
Name: SHULAMIT GORDON
Phone: +64 3 358 0200
Fax: +64 3 358 0211
Email: s.gordon at antarcticanz.govt.nz
Contact Address:
Antarctica New Zealand
Private Bag 4745
City: Christchurch
Country: New Zealand


Personnel
BRIAN SORRELL
Role: INVESTIGATOR
Phone: +64 3 343 7802
Fax: +64 3 348 5548
Email: b.sorrell at niwa.co.nz
Contact Address:
NIWA
PO BOX 11-115
City: Christchurch
Country: New Zealand


IAN HAWES
Role: INVESTIGATOR
Email: AquaticResearchSolutions at gmail.com
Email: ian.hawes at canterbury.ac.nz
Contact Address:
Waterways Centre for Freshwater Management
University of Canterbury
City: Christchurch
Country: New Zealand


JENNY WEBSTER BROWN
Role: INVESTIGATOR
Phone: +64 3 364 2987
Fax: +64 3 364 2490
Email: jennifer.webster-brown at canterbury.ac.nz
Contact Address:
Water Resources Management Centre
University of Canterbury
Private Bag 4745
City: Christchurch
Country: New Zealand


CEISHA POIROT
Role: DIF AUTHOR
Phone: +64 3 358 0200
Fax: +64 3 358 0211
Email: c.poirot at antarcticanz.govt.nz
Contact Address:
Antarctica New Zealand
Private Bag 4745
City: Christchurch
Country: New Zealand


SHULAMIT GORDON
Role: DIF AUTHOR
Phone: +64 3 358 0200
Fax: +64 3 358 0211
Email: s.gordon at antarcticanz.govt.nz
Contact Address:
Antarctica New Zealand
Private Bag 4745
City: Christchurch
Country: New Zealand



Creation and Review Dates
DIF Creation Date: 2009-01-09
Last DIF Revision Date: 2010-09-29


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