What is IPY
Displaying items by tag: Land
Saturday, 30 December 2006 06:52
ANDRILL (ANtarctic geologic DRILLing) is a multinational collaboration of over 200 scientists, drillers, engineers, technicians, students and educators from Germany, Italy, New Zealand and the United States. The goal is to recover long stratigraphic records along the continental margins of Antarctica by drilling from an ice shelf or sea ice platform. By interpreting these sedimentary rock records, scientists can understand how Antarctica’s ice sheet has advanced and retreated over time. The ANDRILL website has a fantastic range of information for scientists, teachers, and media.
Saturday, 30 December 2006 06:19
Climate warming is resulting from disruption of the global carbon (C) cycle. The Arctic is already warming significantly and the region governs some critical feedbacks in global change, including release of huge C stores from high-latitude soils, shift in albedo due to changes in vegetation and snow cover, and potential effects on the thermohaline circulation as a result of alterations in river discharge to the Arctic Ocean. However, the links between climate, the C cycle, energy balance, and hydrology are complex and our understanding of them – and their impact on Arctic ecosystems – is poor. ABACUS aims to provide answers to these critical questions.
Saturday, 30 December 2006 06:16
The polar environments are rapidly changing and leaving a lasting impact on the freshwater and terrestrial ecosystems within them. However the region is so vast and diverse that the knowledge of what drives these changes is limited. This project will assess how terrestrial and freshwater ecosystems and environments have changed in the past and record their current status and biodiversity. IPY provides a timely opportunity for passing on knowledge to new generations of researchers and forming a new and authoritative baseline of environmental characteristics with which to examine future changes. Among the sites to be studied are some first examined during the ICSU-sponsored International Biological Programme, which will allow some assessment of changes over recent decades.
Saturday, 30 December 2006 06:15
There is increasing recognition that multiple environmental changes are occurring in the northern regions of Europe. Some of these environmental changes, for example climate warming, levels of UV-B radiation, and habitat fragmentation, are projected to continue leading to impacts on the lands of the Nordic countries unprecedented since deglaciation some 10,000 year ago. Three ENVISNAR projects studying these processes are profiled below:
Saturday, 30 December 2006 06:11
Saturday, 30 December 2006 06:10
The International Tundra Experiment is a network of researchers examining the impacts of climate change on tundra vegetation throughout the Arctic, Antarctic and Alpine regions of the world. The goals of the networks are to document, understand and forecast changes in the tundra biome. Most members of the network do research at sites established in the early 1990s using standardized measurement protocols and a common warming experiment. The power of the network allows researchers to pool their data and make statements about the fate of the tundra biome as a whole. The four main areas of activity as part of the International Polar Year are: 1 vegetation change; 2 changes in the timing of key biological events (phenology); 3 changes in nutrient cycling; and 4 changes in carbon balance. Each of these areas is described below with a photograph and caption.
Saturday, 30 December 2006 06:07
POLENET will deploy an ambitious array of geophysical instruments across the polar regions in order to study the complex interplay between climate, ice sheets, geodynamics, and global sea level change. POLENET geodetic and seismic observations, paired with other types of geophysical measurements, will greatly improve our understanding of high latitude Earth systems. This international collaboration of 24 countries will involve scientists, students and educators at all levels, and will further advance our capability to deploy autonomous instruments in extreme environments
Saturday, 30 December 2006 05:56
Internationally Coordinated Studies on Antarctic Environmental Status , Biodiversity and Ecosystems EBESA will study the effects of climatic and environmental changes, and the impact of man-made contaminants, on organisms and ecosystems of northern Victoria Land, James Ross Island, and Patagonia. We intend to establish possible sources, deposition patterns, and biological effects of persistant pollutants. We will also collect key organisms, such as moss and lichens, in order to study their origin and evolutionary response to different climate and environment.
Saturday, 30 December 2006 06:00
As human travel continues to increase, the impact of the non-native (alien) species that they often accidentally carry with them on ecosystems across the globe is becoming one of the major environmental challenges of the 21st Century. The impact of these alien species ranges from minor transient introductions to substantial loss of biodiversity and ecosystem changes. The Antarctic is not immune from the risk of invasive species, although to date impacts have been restricted to the milder sub-Antarctic islands. But as parts of the continent warm, it will become easier for non-native species to gain a foothold. It is also now easier for humans (and their unintended living cargo) to travel to and around the Antarctic than it ever has been, and many more people are doing so. Focusing on the annual migration of scientists and tourists to the Antarctic in 2007, this project will take samples from clothing and equipment to provide a unique snapshot of the number of spores, seeds, invertebrates and eggs transported to the continent: the first time that an assessment of the extent of transfer of alien species into an entire biome has ever been made.
Saturday, 30 December 2006 06:00
The network for present and future circumpolar freshwater lake research and data management (NORLAKES 4 Future) is a multidisciplinary and –national network under the International Polar Year initiative that seek to connect activities and data of complementary research groups that are or will perform limnological research in the Arctic.
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