Articles tagged with Sea Level Change
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The article discusses the complexity and influence of Alaska glaciers, highlighting the need for integrating field observations and glacier simulation models to better understand process changes. Rapid mass loss of Alaska glaciers since the mid-1990s poses a significant threat to coastal communities, particularly in developing countries.
A study on fossil corals found that reef ecosystems persisted through massive environmental changes, including sharply falling sea levels. The research suggests that coral reefs can survive adverse conditions given suitable shallow rocky habitat, and complex ecosystems were maintained during less optimal periods.
A new UC Davis study finds that sudden shifts in Earth's natural systems can occur with no warning, making it difficult to prevent or prepare for major changes. The study suggests that some effects of climate change on ecosystems may only be seen once the effects are dramatic, making return to a desirable state nearly impossible.
A new study by University of Southampton researchers found that sea levels have been rising across the south coast of England, substantially increasing the risk of flooding during storms. The team's data set covers over 150 years of historic sea level change, revealing a steady rise of 1.2-2.2 mm per year.
Researchers will use optically stimulated luminescence (OSL) dating techniques to determine the past thickness of the Antarctic ice sheet. They aim to understand how ice sheets respond to sea level and climate change by collecting samples from beach deposits along the coast.
The new report emphasizes the urgent need for climate action, citing the Southwest as a region particularly susceptible to the effects of global warming. Rising temperatures and water scarcity are projected to exacerbate issues like wildfires, invasive species, and flooding, threatening agriculture, recreation, and urban areas.
Researchers found that island ecosystems have eight to nine times the biodiversity of continental ecosystems. The study highlights the importance of protecting these unique habitats to preserve rare and endemic species.
The Integrated Ocean Drilling Program (IODP) will conduct scientific ocean drilling operations aboard three platforms in 2009. Scheduled operations include riser drilling, riserless operations, and mission-specific operations to explore climate change, sea level change, and oceanic plateau formation.
A Rutgers-led team reports a steady millimeter-per-year rise in sea levels from 5,000 years ago until about 200 years ago, contrasting with the current two-millimeter annual increase. The findings argue against widely held tenets of geological science and provide a new baseline for addressing global warming.
A recent study revealed that Larsen B Ice Shelf was stable for at least 10,000 years before disintegrating in 35 days due to global warming. The loss of this ice shelf could lead to a surge in glaciers, causing more melt and altering global sea levels.
Researchers find evidence of massive submarine sand avalances that carried sediments into deep-water Gulf of Mexico, accumulating in bowl-shaped basins. The discovery will aid understanding of how deeply buried reservoirs are formed and how oil and gas can be drained from them.
Researchers have discovered evidence of large fluctuations in sea levels over thousands of years, not just during glacial periods, using a new method of dating corals. This finding suggests that sea levels may be more variable than previously thought, with changes occurring on shorter time scales.
A study by NASA and NOAA researchers reveals new climate patterns in the North Pacific Ocean, which differ from the traditional Pacific Decadal Oscillation (PDO) pattern. The findings suggest that a single index like PDO is incomplete for characterizing the state of the North Pacific climate system.
Scientists found large and rapid sea-level changes during the Late Cretaceous greenhouse world, contradicting previous assumptions. The research suggests that ice sheets on Antarctica grew and decayed rapidly, significantly altering global sea levels.
A new study found that global warming could lead to abrupt changes in climate and sea level, with potential societal disruptions. The researchers discovered an Antarctic melting event that raised sea levels by 70 feet in under 500 years, causing widespread warming in the Northern Hemisphere.
New measurements show that Greenland ice sheet flow speeds up from 31.3 cm/day in winter to a peak of 40 cm/day in summer, correlated with surface melting timing and intensity. The observed process may have contributed to the demise of past ice sheets and could impact sea level rise.
Researchers are studying Mulinia congesta to determine change in organism shape and size due to environmental changes. The study focuses on a gradual environmental change in Southeastern Virginia over 500,000 years.
A geologist is helping to revive the 'layer cake' model of stratigraphy by tracing major events from Ontario and New York into Ohio, Indiana, and Kentucky using advanced techniques. These methods allow for high-resolution recognition of events and tracking of small-scale events over large areas.
Numerical simulations by U of T physicists suggest sea-level changes exceeding 100 meters can occur, contradicting previous assumptions linking them to ocean floor elevation changes. The 'wobbling' of the Earth's rotation axis produces regional sea-level variations, requiring a reevaluation of long-term climate studies.