Global Change Master Directorygsfc-gcmduso@mail.nasa.gov502013-05-24T12:50:32Zeba Search: Parameters|TERRESTRIAL HYDROSPHEREhttp://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 20 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K043_2008_2012_NZ_5Community composition survey at Terra Nova Bay with similar samples collected at Cape Evans Cape Armitage and Turtle Rock164.1231,-72.695,164.1231,-72.695166.399,-77.636,166.399,-77.636166.635,-77.851,166.635,-77.851166.4,-77.633,166.4,-77.633166.7757,-77.7443,166.7757,-77.7443166.24,-77.38,166.24,-77.38164.13,-74.38,164.13,-74.382008-11-24T00:00:00ZT00:00:00Z2012-06-29T04:00:00ZFive ice cores were collected from Terra Nova bay in the vicinity of Gondwana station. From each core the top, middle and bottom sections were sectioned and processed as described earlier. In addition, ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K081_2007_2008_NZ_3Meltwater geochemistry and biological characteristics of the Darwin Glacier region of Antarctica156.0,-80.0,160.0,-79.02009-01-13T00:00:00Z2009-01-29T00:00:00Z2010-09-29T04:00:00ZFreshwater 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 ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K043_2008_2009_NZ_2The biomass, productivity and biodiversity of algae and bacteria in Granite Harbour and the physical parameters of their environment162.89,-77.015,162.89,-77.0152008-11-15T00:00:00Z2008-11-27T00:00:00Z2009-11-16T00:00:00Z2009-12-29T00:00:00Z2010-09-20T04:00:00ZThe total biomass, productivity and biodiversity of algae and bacteria from the sea ice and the water column was investigated in Granite Harbour. Sampling sites in the Granite Harbour area were used ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K043_2007_2008_NZ_1The biomass, productivity, physiology and grazing pressures of phytoplankton during the polar winter in the Ross Sea region166.6667,-77.85,166.6667,-77.85166.4,-77.6333,166.4,-77.63332007-08-24T00:00:00Z2007-09-27T00:00:00Z2008-09-04T00:00:00Z2008-10-05T00:00:00Z2009-08-25T00:00:00Z2009-10-09T00:00:00Z2010-09-20T04:00:00ZWhat happens to primary production during the long polar night was investigated in the Ross Sea region. Phytoplankton samples were obtained from the water column at Cape Armitage and Cape Evans. Phytoplankton ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K043_2008_2009_NZ_3The response of sea ice and brine water algae and bacteria to changes in salinity, temperature, light and UVB in Granite Harbour162.89,-77.015,162.89,-77.0152008-11-15T00:00:00Z2008-11-27T00:00:00Z2009-11-16T00:00:00Z2009-12-29T00:00:00Z2010-09-20T04:00:00ZIn the 2008/2009 season, samples of the bottom ice algae and brine algae (within 30cm of the top of the ice) were subjected to temperature, salinity, light and UVB experiments and analysed with PAM ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K081_2005_2006_NZ_1Microbial mat development and production variation in relation to physio-chemical variation in 13 ponds that all originated from one greater pond near Bratina Island on the McMurdo Ice Shelf165.3333,-78.0,165.3333,-78.02005-12-19T00:00:00Z2005-12-28T00:00:00Z2010-08-30T04:00:00ZMicrobial mat development and production varies from pond to pond due to the physio-chemical variation amongst the ponds. To study this variation a series of 13 ponds were selected that had originated ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K081_2005_2006_NZ_2Sampling based chemical and biogeochemical stratification profiles of melt water ponds at Bratina Island, McMurdo Ice Shelf165.3333,-78.0,165.3333,-78.02005-12-19T00:00:00Z2005-12-28T00:00:00Z2007-01-16T00:00:00Z2007-01-29T00:00:00Z2010-02-23T05:00:00ZA comprehensive suite of geochemical samples and measurements from a selection of meltwater ponds at Bratina Island was collected in the 2005/06 and 2006/07 seasons. The purpose was to help identify ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K123_2003_2005_NZ_1Soil and groundwater description, characterisation and sampling at various sites at Cape Hallett170.2167,-72.3167,170.2167,-72.31672003-12-12T00:00:00Z2004-01-21T00:00:00Z2004-12-03T00:00:00Z2005-01-21T00:00:00Z2010-02-23T05:00:00ZThe soil and groundwater at Seabee Hook, Cape Hallet was described and characterised. Soil Investigation: Soil pits were dug east of Willett Cove on low mounds on disturbed and undisturbed sites, ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K043_2003_2005_NZ_2The bacterial biomass of sea ice from Seabees Hook, Cape Hallett region170.2666,-72.3166,170.2666,-72.31662003-11-19T00:00:00Z2003-12-16T00:00:00Z2004-11-12T00:00:00Z2004-12-07T00:00:00Z2010-02-23T05:00:00ZA taxonomic assessment of sea ice bacteria abundance and their response to climate induced stress was investigated from the sea ice around Seabee Hook, Cape Hallett. Four sites at different points ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K043_2006_2008_NZ_1The biomass, productivity and biodiversity of algae and bacteria in Terra Nova Bay and the physical parameters of their environment164.5,-74.8333,164.5,-74.83332006-11-03T00:00:00Z2006-12-09T00:00:00Z2007-11-10T00:00:00Z2007-12-10T00:00:00Z2010-02-23T05:00:00ZThe total biomass, productivity and biodiversity of algae and bacteria from the sea ice and the water column was investigated in Terra Nova Bay. Sampling sites in the Terra Nova Bay area were used ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K043_2006_2008_NZ_4The response of sea ice and brine water algae and bacteria to changes in salinity, temperature, light and UVB in Terra Nova Bay164.5,-74.8333,164.5,-74.83332006-11-03T00:00:00Z2006-12-09T00:00:00Z2007-11-10T00:00:00Z2007-12-10T00:00:00Z2010-02-23T05:00:00ZSamples of the bottom ice algae and brine algae (within 30cm of the top of the ice) were subjected to temperature, salinity, light and UVB experiments and analysed with PAM rapid light curves to determine ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K043_2008_2009_NZ_5Community composition survey at Terra Nova Bay with similar samples collected at Cape Evans and Cape Armitage164.1231,-72.695,164.1231,-72.695166.399,-77.636,166.399,-77.636166.635,-77.851,166.635,-77.8512008-11-24T00:00:00Z2008-11-24T00:00:00Z2009-07-02T04:00:00ZFive ice cores were collected from Terra Nova bay in the vicinity of Gondwana station. From each core the top, middle and bottom sections were sectioned and processed as described earlier. In addition, ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K043_2006_2008_NZ_2Algal response to transplantation with a ice core flipping experiment, Terra Nova Bay, Ross Sea164.5,-74.8333,164.5,-74.83332006-11-03T00:00:00Z2006-12-09T00:00:00Z2009-03-16T04:00:00ZThree ice cores were drilled in sea ice (2.1 m thick) in the region of Gondwana Station in Terra Nova Bay during the 06-07 season. The cores were stored in black plastic bags and then replaced back ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K136_1999_2002_NZ_1The effects of UVB on growth and productivity and photoadaptations of bottom ice algae at Cape Evans, McMurdo Sound166.3833,-77.6833,166.3833,-77.6833166.75,-77.85,166.75,-77.851999-10-25T00:00:00Z1999-11-15T00:00:00Z2001-10-11T00:00:00Z2001-11-09T00:00:00Z2009-03-16T04:00:00ZSea ice hosts a large community of algae which is released into the food chain when the ice melts. The sea ice algae grow rapidly in the Antarctic spring at a time that coincides with the ozone hole ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K043_2006_2008_NZ_3The role of grazing on sea ice algae and sea ice bacteria by ciliates and flagellated (zooplankton) in Terra Nova Bay164.5,-74.8333,164.5,-74.83332006-11-03T00:00:00Z2006-12-09T00:00:00Z2007-11-10T00:00:00Z2007-12-10T00:00:00Z2009-03-16T04:00:00ZSea water was collected from a depth of 2 meters below the sea ice in the region of Gondwana Station in Terra Nova Bay. Initial measurements of chlorophyll along with presence and abundance of ciliates ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K043_2002_2004_NZ_1Sea ice productivity in the Mertz Glacier Region143.46,-65.42,147.24,-63.652002-09-16T00:00:00Z2002-11-20T00:00:00Z2009-02-27T05:00:00ZEastern Antarctic sea ice algal biomass were measured in the spring of 2002, 2003 and 2004. Productivity was measured by 14C in 2002 and by oxygen electrodes in 2002 and 2004. Biomass was low, in ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K043_2003_2005_NZ_1The biomass, productivity and biodiversity of algae in the Cape Hallett region170.2666,-72.3166,170.2666,-72.31662003-11-19T00:00:00Z2003-12-16T00:00:00Z2004-11-12T00:00:00Z2004-12-07T00:00:00Z2009-02-27T05:00:00ZThe distribution and biodiversity of algae was assessed to enable possible future predictions of the effects of global warming. Sites (5 in the first season, 4 in the second) were established around ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K124_2003_2004_NZ_1Distribution data and samples of non-marine algae for culture and DNA analysis to determine evolution and dispersal of algae along a latitudinal gradient170.2166,-72.3333,170.25,-72.3166165.3,-78.0,165.3,-78.0164.1667,-78.0333,164.1667,-78.0333164.0,-78.1,164.0,-78.1163.0,-77.6167,163.0,-77.61672004-01-11T00:00:00Z2004-01-19T00:00:00Z2009-01-26T05:00:00ZAlgae populations at different points on a latitudinal gradient within the Ross Sea sector were investigated. At Cape Hallett, the distribution of the different algal communities were mapped by a ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K081_2004_2005_NZ_3Water nutrient chemistry of ponds on Bratina Island, Antarctica165.3333,-78.0,165.3333,-78.02005-01-21T00:00:00Z2005-01-29T00:00:00Z2008-10-08T04:00:00ZTweleve ponds on the McMurdo Ice Shelf were sampled to create and annual data set of water nutrient chemistry (DRP, NH4-N, NO3-N, TDN, TDP), pH, conductivity, temperature, phytoplankton chlorophyll ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K002_Latitudinal_Gradient_Project_LGPLatitudinal Gradient Project (LGP)180.0,-86.0,150.0,-72.02007-02-25T05:00:00ZThe Latitudinal Gradient Project (LGP) ("http://www.lgp.aq/") is aimed at
increasing the understanding of the coastal marine, freshwater and terrestrial
ecosystems that exist along the Victoria Land ...