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The Galactic cosmic ray spectrum manifests pronounced variations over the 11-year sunspot cycle and more subtle variations over the 22-year solar magnetic cycle.
The Galactic cosmic ray spectrum manifests pronounced variations over the 11-year sunspot cycle and more subtle variations over the 22-year solar magnetic cycle.
The Galactic cosmic-ray spectrum manifests pronounced variations over the 11 yr sunspot cycle and more subtle variations over the 22 yr solar magnetic cycle. An important tool to study these variations is repeated latitude surveys with neutron monitors (NMs)…
Polar communities are expected to experience the impacts of ocean acidification sooner and more heavily than other regions, and serve as indicators of the consequences we can expect from increasing ocean CO2 concentrations.
Line setters are used with integrated weight (IW) (50 g m–1 lead core) longlines by some autoline vessels in the Kerguelen and Crozet Islands Patagonian toothfish (Dissostichus eleginoides) fisheries to deter seabirds, ostensibly by expediting gear sink rates.
Spatial Data Infrastructures (SDIs) have been developing in some countries for over 10 years but still suffer from … having a relatively small installed base. Most SDIs will soon converge around a service-oriented-architecture (SOA)…
This study examines the molecular-genetic divergence and evolution of Australian aquatic micro-Crustacea Daphnia … and Daphniopsis. The results indicate that species of Daphniopsis are accommodated within the genus Daphnia. Although their phyletic integrity is no longer supported…
The origins of the freshwater fauna that inhabits Antarctic lakes are poorly known. The species … present today could be relict species that have survived Quaternary glaciations on the continent, or … Holocene migrants from more temperate regions.
The collapse of the Larsen A and B and other ice shelves fringing the Antarctic Peninsula … coastline raises questions about the status of ice shelves in other parts of the continent. Are … the large ice shelves along the East Antarctic coast also in danger of permanent collapse…
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.
We describe a preliminary analysis of small-scale temperature perturbations in the stratosphere produced by long wavelength gravity waves, as measured globally during the CRISTA-SPAS missions. We focus on enhanced activity observed at the equator and near the southern tip of South America.