Search

Latest publications

Results 4826 to 4850 of 13317

Ambient UV radiation levels negatively affect the endemic Antarctic moss, Grimmia antarctici. Abstracts from the International Botanical Congress, Vienna, July 2005, 2005 (Ref: 12327)
Category 3: Verbal presentation

Over recent decades, Antarctic plants have been exposed to the … largest relative increase in UV-B exposure as a result of ozone … depletion. Open-sided plexiglass screens were used to reduce UV … levels by 77% over turves of the endemic Antarctic bryophyte, Grimmia antarctici…

The feasibility of using remote sensing to map and monitor vegetation change on sub-Antarctic Heard Island. Thesis, B.Sc. (Honours), University of Wollongong, 2005 (Ref: 12329)
Authors:
Category 3: Thesis, higher degree

This study represents the first investigation into the feasibility of using remote sensing to map and monitor the vegetation of sub-Antarctic islands. There have previously been no studies using satellite technology to remotely sense vegetation change in the Antarctic or sub-Antarctic regions…

Susceptibility of Antarctic Mosses to UV-B induced DNA damage. Abstracts of the International Botanical Congress, Vienna, July 2005, 2005 (Ref: 12331)
Category 3: Poster

Antarctic vegetation is exposed to elevated levels of UV-B … radiation (UVBR) as a result of ozone depletion. Three species of … co-occurring Antarctic bryophytes, Bryum pseudotriquetrum…

Investigation of evaporation and biodegradation of fuel spills in Antarctica: I - a chemical approach using GC-FID Chemosphere, 2005 (Ref: 12320)
Category 1: Peer-reviewed literature

Abstract … Little effort has been devoted to differentiating between hydrocarbon losses through evaporation and biodegradation … in treatability studies of fuel-contaminated Antarctic soils. When natural attenuation is being considered as a treatment … option…

First measurements of the infrared sky brightness at Dome C, Antarctica. Publications of the Astronomical Society of the Pacific, 2005 (Ref: 12302)
Category 1: Peer-reviewed literature

Dome C, Antarctica (75 S, 123 E; 3250 meters) is one of the coldest and driestlocations on Earth, with exceptionally low winds throughout the atmosphere. It therefore has the potential to be an ideal site for astronomical observations.

Astronomy from Antarctica. Antarctic Science, 2005 (Ref: 12301)
Authors:
Category 1: Peer-reviewed literature

Astronomers have always sought the very best locations for their telescopes. From … observatories in city centres, astronomers moved first to nearby mountain tops, then to … remote sites in distant countries, to aircraft, and into space.

A remote, autonomous laboratory for Antarctica with hybrid power generation. Australian Journal of Electrical & Electronics Engineering, 2005 (Ref: 12298)
Category 1: Peer-reviewed literature

The AASTINO (Automated Astrophysical Site Testing INternational Observatory) is a remote … laboratory that has been operating at Dome C station on the Antarctic plateau since January 2003. It … is designed to run throughout the Antarctic winter without intervention…

Largest GLE in Half a Century: Neutron Monitor Observations of the January 20, 2005 Event. Proceedings of the 29th International Cosmic Ray Conference, Pune, India, 2005 (Ref: 12309)
Category 3: Conference paper

Within a 6-minute span on January 20, 2005, the count rate registered by a neutron monitor at the sea level … station of McMurdo, Antarctica increased by a factor of 30, while the rate at the high-altitude (2820 m) site … of South Pole increased by a factor of 56.

Latitude surveys with a calibration neutron monitor. Proceedings of the 29th International Cosmic Ray Conference, Pune, India, 2005 (Ref: 12308)
Category 3: Conference paper

Two calibration neutron monitors were completed in September 2002. These instruments are designed to … provide an intercalibration between the 40-odd neutron monitors around the world, so that rigidity spectra … can be calculated from them.

Relativistic Particle Injection and Interplanetary Transport during the January 20, 2005 Ground Level Enhancement. Proceedings of the 29th International Cosmic Ray Conference, Pune, India, 2005 (Ref: 12307)
Category 3: Conference paper

Besides producing the largest ground level enhancement (GLE) in half a century, the relativistic solar particles … detected during the event of January 20, 2005 showed some interesting temporal and directional features, including extreme anisotropy.

Planetary wave coupling from the stratosphere to the thermosphere during the 2002 Southern Hemisphere pre-stratwarm period. Geophysical Research Letters, 2005 (Ref: 12228)
Category 1: Peer-reviewed literature

[1] Temperature observations between 20 and 120 km … from the SABER instrument on the TIMED spacecraft are … used to investigate the nature of planetary wave activity … during the 60 days prior to the midwinter stratospheric … warming that commenced on 26 September…

Stable carbon and nitrogen isotope analysis reveals seasonal variation in the diet of leopard seals. Marine Ecology Progress Series, 2005 (Ref: 12266)
Category 1: Peer-reviewed literature

In order to assess seasonal and spatial changes in diet, the ä15N and ä13C signatures of … vibrissae from leopard seals Hydrurga leptonyx obtained from Prydz Bay, Eastern Antarctica, were … compared with those of a captive seal on a known diet. Using the isotopic signatures of known prey…

Serum proteins in the leopard seal, Hydrurga leptonyx, in Prydz Bay, Eastern Antarctica and the coast of NSW, Australia. Comparative Biochemistry and Physiology, Part B, 2005 (Ref: 12263)
Category 1: Peer-reviewed literature

Blood protein analysis including total serum protein and albumin by chemical methods, fibrinogen estimation and serum protein electrophoresis (SPE) was performed on the leopard seal, Hydrurga leptonyx. The most commonly observed SPE pattern was eight fractions designated albumin, a1a, a1b, a2a, a2b…

Comparison of southern elephant seal populations, and observations of a population on a demographic knife-edge. Marine Ecology Progress Series, 2005 (Ref: 12283)
Category 1: Peer-reviewed literature

The dynamics of animal populations are determined by several key demographic parameters, which vary over time with resultant changes in the status of the population. When managing … declining populations, the identification of the parameters that drive such change are a high priority…

Borehole imagery of meteoric and marine ice layers in the Amery Ice Shelf, East Antarctica. Journal of Glaciology, 2005 (Ref: 12279)
Category 1: Peer-reviewed literature

A real-time video camera probe was deployed in a hot-water drilled borehole through the … Amery Ice Shelf, East Antarctica, where a total ice thickness of 480m included at least 200m of basal … marine ice.

Is there a casual relationship between cosmic noise absorption and PMSE? Geophysical Research Letters, 2005 (Ref: 12270)
Category 1: Peer-reviewed literature

We report on the first Southern Hemisphere comparison between polar mesosphere summer echoes (PMSE) and cosmic noise absorption (CNA). Observations were obtained during the austral summer of 2003–2004 from a 55 MHz MST radar, a 38.

on