Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-06-19T11:24:42Z http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 54 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]017-82_01 -58.26,-62.08,-58.26,-62.08-56.46,-64.17,-56.46,-64.17-58.39,-62.14,-58.39,-62.14-58.54,-62.11,-58.54,-62.11 1984-02-01T00:00:00Z 1986-02-01T00:00:00Z 1988-02-01T00:00:00Z 1994-02-01T00:00:00Z 2005-03-26T05:00:00Z

Fossil woods studies found in different Tertiary localities from King George Island. The principal discovery was found in the Fildes Peninsula ("Fossil Hill"), Sufiel Point and the surrounding of ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]154-93_01 -59.37,-62.28,-59.37,-62.28 1996-12-27T00:00:00Z T00:00:00Z 2011-04-07T04:00:00Z

Temperature, salinity, and penetration of light from 0 -200 meters were measured on a weekly basis, depending on sailing conditions. The measurements were taken using a CTD installed at a station ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]148-92_02 -59.43,-62.22,-59.43,-62.22 1992-02-21T00:00:00Z 1992-02-21T00:00:00Z 2007-02-26T05:00:00Z

Deschampsia antarctica plants were collected in Robert Island, Antarctica, and frozen in liquid nitrogen. Polar lipids and the composition of fatty acids in phospholipids and galactolipids were analysed ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]151-92_01 -58.26,-62.08,-58.26,-62.08-58.54,-62.11,-58.54,-62.11-68.23,-67.11,-68.23,-67.11-59.4,-62.32,-59.4,-62.32-59.41,-62.3,-59.41,-62.3-61.21,-62.47,-61.21,-62.47 1993-01-14T00:00:00Z 1993-01-23T00:00:00Z 1994-02-03T00:00:00Z 1994-02-04T00:00:00Z 1995-01-06T00:00:00Z 1995-01-11T00:00:00Z 2009-01-21T05:00:00Z

In 21 places on the South Shetland Islands, that experience similar annual precipitation, the superficial concentration of Cs-137 was determined. For the determination of the distribution, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]012-98_04 -59.13,-62.22,-59.13,-62.22 1999-01-06T00:00:00Z T00:00:00Z 2005-03-26T05:00:00Z

The data is derived from a study of the reaction of Deschampsia to environmental conditions during the Antarctic summer and consists of biochemical analyses of leaves, analyses by HPLC of lipids, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]154-93_03 -59.38,-62.29,-59.38,-62.29 1994-01-02T00:00:00Z T00:00:00Z 2011-04-13T04:00:00Z

From January of 1994 and to date, weekly censuses of birds and marine mammals have been taken in the coastal sector of Chile Bay, between the Caleton Iquique and the English Strait located near Greenwich ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]159-70_02 -62.0,-63.3,-55.3,-63.3 1965-01-01T00:00:00Z 1965-02-28T00:00:00Z 2005-04-27T04:00:00Z

In this study, the petrographic characteristics and distribution of volcanic rocks of the superior cenozoic in the South Shetland Islands are discussed. The geology of the Coppermine Peninsula, on ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]157-93_06 -60.21,-62.28,-60.21,-62.28 1995-01-07T00:00:00Z 1995-01-20T00:00:00Z 2012-10-15T04:00:00Z

A survey of Cora beach was conducted and resulted in the finding 3 sealer settlements and one from the beginning of this century. A recollection of superficial cultural material together with the ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]157-93_05 -60.5,-62.28,-60.5,-62.28 1993-08-11T00:00:00Z 1995-07-30T00:00:00Z 2012-10-15T04:00:00Z

Under a joint project between Chile and Spain, submarine and surface surveys were conducted, in the Cape Shirreff area, to search for the Spanish vessel San Telmo. The San Telmo was lost in September ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]157-93_04 -60.27,-62.37,-60.27,-62.37 1993-08-11T00:00:00Z 1995-07-30T00:00:00Z 2012-10-15T04:00:00Z

Three rock shelters corresponding to the period of 1820-1830 were excavated during this study. One shelter was shown to be a fire place, one shown to be shoe storage, and the last shown to be a ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]157-93_03 -60.77,-62.47,-60.77,-62.47 1994-01-17T00:00:00Z 1994-01-20T00:00:00Z 2012-10-15T04:00:00Z

Half of a rectangular structure and 3 small deposits used for multiple purposes (grain storage, fire place) corresponding to the period 1820-30 were excavated during this study.

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]157-93_01 -60.77,-62.47,-60.77,-62.47 1994-01-07T00:00:00Z 1994-01-15T00:00:00Z 2012-10-15T04:00:00Z

Archaeological excavation of three rock-shelters in Yamana beach, Cape Shirreff, Livingston Island, corresponding to the period 1820-1823.

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]154-93_04 -59.38,-62.29,-59.38,-62.29 1997-01-23T00:00:00Z 1997-02-23T00:00:00Z 2005-03-23T05:00:00Z

For this study, determination of stature, distribution of the sexes, zonation and relative abundance of the population were determined for the Antarctic limpet Nacella concinna in the intertidal ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]018-82_01 -60.77,-62.47,-60.77,-62.47-60.5,-62.28,-60.5,-62.28 1982-11-01T00:00:00Z T00:00:00Z 2004-09-01T04:00:00Z

There are population data of Antarctic fur seal from reproductive season 1982-83 up the present. The first censuses correspond to counts without separation in etarial category, this separation started ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]110-88_02 -59.42,-62.22,-59.42,-62.22 1989-01-05T00:00:00Z 1989-02-20T00:00:00Z 2011-04-07T04:00:00Z

Densitometric analysis (HPTLC) was used to determine the concentrations of phenolic metabolites in thalli of different ages in Umbilicaria antarctica Frey et Lamb. Usnic acid and atranorin concentrations ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]040-87_01 -62.04,-64.31,-62.04,-64.31-68.11,-67.11,-68.11,-67.11 1980-10-15T00:00:00Z T00:00:00Z 2005-01-25T05:00:00Z

The data set contains information about the ecology of the pygoscelidos penguins (Papua, adelie and antarctic). These data consist of a census of nesting groups, chick weight gain, and chick mortality ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]026-82_02 -58.15,-62.03,-58.15,-62.03 1983-01-01T00:00:00Z T00:00:00Z 2012-10-15T04:00:00Z

A superficial collection of materials, archaeological excavation and a map of the stone structure of the historic camp named "Cuatro Pircas" ("Four Structures") was performed. The glass, metallic, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]09-95_01 -60.39,-62.58,-60.39,-62.58 1996-01-01T00:00:00Z 1996-01-19T00:00:00Z 2005-03-11T05:00:00Z

The investigation of the benthic Foraminifera of the South Shetland Island, allowed us to detect the presence of abundant units of E. parva in Caleta Balleneros and Puerto Foster stations (Deception ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]110-88_01 -57.37,-62.28,-57.37,-62.28 1987-02-05T00:00:00Z 1989-12-05T00:00:00Z 2011-04-07T04:00:00Z

In Usnea aurantiaco-atra, growing in the Antarctica, a monthly variation in the usnic acid content, in individual thalli, was studied by means of scanning densitometry (HPTLC). The higher accumulation ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]026-82_01 -58.26,-62.08,-58.26,-62.08 1982-07-01T00:00:00Z 1983-10-20T00:00:00Z 2012-10-15T04:00:00Z

In 1972 the biologist, Dr.Victor Ariel Gallardo, recovered benthonic samples from the bottom of Admiralty and Chile Bay, in the South part of King George Island, for biological purposes. During ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]08-93_02 -65.0,-69.3,-65.0,-69.3 1994-12-10T00:00:00Z 1998-02-11T00:00:00Z 2005-03-10T05:00:00Z

Photographs of fluke's ventral surface of humpback whales (Megaptera novaeangliae) were taken in Bransfield and Gerlache Strait, near Antarctic Peninsula, during four summers seasons (1994/95, 1995/96, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]08-93_03 -65.0,-69.3,-65.0,-69.3 1995-12-29T00:00:00Z 1998-02-11T00:00:00Z 2005-03-11T05:00:00Z

Skin samples for genetic analysis were collected, using a crossbow, from Antarctic Peninsula Humpback Whales from three austral summers (1995/96, 1996/97 and 1997/98). Dr. C. Scott Baker from Auckland ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]110-88_03 -58.15,-62.03,-58.15,-62.03 1993-11-01T00:00:00Z 1993-11-18T00:00:00Z 2011-07-29T04:00:00Z

In Usnea aurantiaco-atra (Jacq)- Bory, a lichen species collected in the Antarctica, the gold content was determined by the cupellation methods, 317 ppb and 1089 ppb dry weight were found in the lichen ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]012-98_03 -59.13,-62.22,-59.13,-62.22 1992-02-15T00:00:00Z T00:00:00Z 2004-11-02T05:00:00Z

Studies related to the content of non-structural sweeten in Desachampsia antarctica, have been made since 1992. It has been found that the plant accumulates high levels of saccharose and fructose. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]148-92_01 -59.43,-62.22,-59.43,-62.22 1993-01-01T00:00:00Z 1993-01-30T00:00:00Z 2007-02-26T05:00:00Z

The distribution and size structure of tussocks of the population of Deschampsia antarctica Desv. was studied in the Coppermine Peninsula, Robert Island. Different study sites showed predominance ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]136-89_01 -58.15,-62.03,-58.15,-62.03 1991-01-19T00:00:00Z T00:00:00Z 2009-06-11T04:00:00Z

LARC is an acronym, which stands for Laboratorio Antartico de Radiacion Cosmica (Antarctic Laboratory for Cosmic Rays). LARC project started about ten years ago ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]012-98_02 -59.13,-62.22,-59.13,-62.22 1993-01-07T00:00:00Z 1993-01-30T00:00:00Z 2004-11-02T05:00:00Z

Data set consists of a statistical analysis (census count) of Deschampsia antarctica population on Robert Island in the South Shetland Islands.

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]018-82_13 -60.77,-62.47,-60.77,-62.47 1998-12-06T00:00:00Z T00:00:00Z 2004-11-02T05:00:00Z

Data consist of genetic studies from skin samples of Antarctic fur and Weddell seals found both dead and alive.

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]018-82_14 -60.77,-62.47,-60.77,-62.47 1998-12-06T00:00:00Z T00:00:00Z 2004-11-02T05:00:00Z

Data consist of studies of blood samples from Antarctic fur and Weddell seals found both dead and alive. The studies involve searching for the presence of bacterial diseases.

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]018-82_15 -60.77,-62.47,-60.77,-62.47 1997-12-16T00:00:00Z T00:00:00Z 2011-04-13T04:00:00Z

The data consist of eight patterns of face coloration in pups, which can be indicator of the genetics of the population on the Cape.

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]018-94_01 -60.77,-62.47,-60.77,-62.47 1994-11-24T00:00:00Z T00:00:00Z 2011-04-07T04:00:00Z

This data set contains information related to the collection of waste at the coast of Cape Shirreff, Livingston Island. The material collected corresponds only to the wastes generated off-shore as ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]018-82_11 -60.77,-62.47,-60.77,-62.47 1996-12-11T00:00:00Z T00:00:00Z 2004-11-02T05:00:00Z

The data consist in samples of male and female Antarctic fur seal faeces, collected for studying their diet. During the season 1998/99 the harvesting of Weddell seals' faeces were added.

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]018-82_12 -60.77,-62.47,-60.77,-62.47 1998-12-06T00:00:00Z T00:00:00Z 2004-11-02T05:00:00Z

Data originates from a collection of different tissue samples of dead Antarctic fur seals, including some seals found on beaches of the Cape. Tissue samples were collected for the purpose of studying ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]018-93_01 -60.77,-62.47,-60.77,-62.47 1994-11-24T00:00:00Z T00:00:00Z 2004-11-04T05:00:00Z

The data set contains information on the main meteorological and micro-climatic variables of the Cape Shirreff area in Livingston Island. Three stations were installed in Daniel Beach, Paso Ancho ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]01-95_01 -61.22,-62.68,-60.9,-62.58 1997-01-10T00:00:00Z 1997-01-30T00:00:00Z 1998-01-07T00:00:00Z 1998-01-07T00:00:00Z 2004-11-04T05:00:00Z

During this campaign, 50 volcanic and subvolcanic rock samples were collected, which were described petrographically. In general they are porphyritic rocks composed of phenocrysts of plagioclase, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]01-95_02 -61.13,-62.4,-60.54,-62.34 1997-01-10T00:00:00Z 1997-01-30T00:00:00Z 1998-01-07T00:00:00Z 1998-01-07T00:00:00Z 2004-12-09T05:00:00Z

In this field campaign 59 samples of volcanic and subvolcanic rocks were collected. Ten of these samples were analyzed via ICP at the Department of Geology, U. de Chile. The samples are subalkaline ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]012-98_01 -59.13,-62.22,-59.13,-62.22 1992-02-15T00:00:00Z 1992-02-27T00:00:00Z 2004-11-02T05:00:00Z

The data set consists of the following: - Biochemical analysis of Deschampsia leaves and root; - Chromatographic Analysis of membrane lipids (lipid profile); - Statistical Analysis; and - ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]159-96_01 -58.25,-62.5,-58.25,-62.5 1999-01-12T00:00:00Z 1999-02-12T00:00:00Z 2005-03-25T05:00:00Z

The result of observations and the aeromagnetic profiles through the gravimetric river basin, along with the geologic studies throughout the coasts of the South Shetland Islands, as well as registered ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]20-82_01 -59.44,-62.3,-59.44,-62.3 1984-01-13T00:00:00Z 1991-02-06T00:00:00Z 2005-03-25T05:00:00Z

A new asterosaponin, named santiagoside, has been isolated from the Antarctic starfish Neosmilaster georgianus and, its structure elucidated on the basic of extensive spectroscopic experiments and ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]018-82_10 -71.0,-62.0,-60.0,-52.0 1991-11-27T00:00:00Z T00:00:00Z 2004-10-27T04:00:00Z

The data consist of marine mammals (cetaceans and pinipeds) registries obtained during sightings during navigation to and from Cape Shirreff. Data also consist of observations of cetaceans in Cape ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]018-82_09 -60.77,-62.47,-60.77,-62.47 1993-12-12T00:00:00Z T00:00:00Z 2004-11-02T05:00:00Z

The data consist of the duration of the feeding trips by female Antarctic fur seal, as well as of its land permanence, measured indirectly according to the presence or absence of the female next to ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]20-82_02_INACH -58.15,-62.03,-58.15,-62.03 1984-01-13T00:00:00Z T00:00:00Z 2005-04-06T04:00:00Z

Two new asterosaponins, validosides A and B, were isolated from the butanolic extract of the starfish Odontaster validus and their structures established as (24S)-24-O-[2,4-di-O-methyl-B-xylopyranosyl-(1-2)-a-arabinofuranosyl]-5a-chol-e ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]018-82_07 -60.77,-62.47,-60.77,-62.47 1993-12-09T00:00:00Z T00:00:00Z 2004-11-02T05:00:00Z

The data consist iof general information of the behavior of males, females and puppies of this species, including childbirth, copulas, breast-feeding periods and fights, as well as their duration. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]018-82_08 -60.77,-62.47,-60.77,-62.47 1993-12-09T00:00:00Z T00:00:00Z 2011-04-07T04:00:00Z

The data consist of measurement of the behavior of males sultans, females and puppies on Daniel Beach, obtained through instantaneous focus animal registries.

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]154-93_02 -59.37,-62.28,-59.37,-62.28 1994-02-28T00:00:00Z T00:00:00Z 2005-03-26T05:00:00Z

During summer to the beginning of autumn, samples of zooplankton were gathered between water depths 0 and 200 meters weekly from a fixed station in the English Strait, Chile Bay. Samples were collected ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]018-82_04 -60.77,-62.47,-60.77,-62.47 1991-12-16T00:00:00Z T00:00:00Z 2004-11-02T05:00:00Z

The data show the weighing of pups following the standard method of CCAMLR (Commission for the Conservation of Antarctic Marine Living Resources) C2, version B. 50 males and 50 females are weight ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]018-82_05 -60.77,-62.47,-60.77,-62.47 1993-12-03T00:00:00Z T00:00:00Z 2004-11-02T05:00:00Z

The data is related to periodic weighing (between 5 and 10 days) of pups of both sexes throughout the season. The data includes the corporal measures of the puppies (total length and pectoral width), ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]018-82_02 -60.77,-62.47,-60.77,-62.47 1994-11-29T00:00:00Z T00:00:00Z 2004-11-02T05:00:00Z

Periodic censuses (daily, every second day and every two days) of fur seal in focal beaches in cape Shirreff, Livingston Island, Antarctica in three beaches (Daniel, Copihue and Lober?a, respectively), ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]001-93_01 -58.15,-62.03,-58.15,-62.03 1994-02-04T00:00:00Z 1995-12-31T00:00:00Z 2004-12-22T05:00:00Z

The taxonomic placement of four antarctic species of the marine red algal family Phyllophoraceae (Gigartinales) is assessed within a preliminary molecular phylogeny of the family based on direct sequence ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]003-94_01 -58.15,-62.03,-58.15,-62.03-59.44,-62.3,-59.44,-62.3-59.3,-62.24,-59.3,-62.24-60.27,-62.37,-60.27,-62.37 1966-02-01T00:00:00Z 1996-02-01T00:00:00Z 2004-08-06T04:00:00Z

The absorbing properties of UV radiation of lichen phenols agree with their photoprotector capacity determined by in vivo and in vitro methods. The photostability that characterizes these compounds ...