Articles tagged with Salinity
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Researchers identified canyon maple's salt tolerance as a result of its native semiarid woodland habitat. The tree showed better resistance to leaf damage and salinity than bigleaf maple, but was more affected at higher salt concentrations.
A study found that 'Tete-a-Tete', 'Dutch Master', and 'Ice Follies' daffodils can tolerate high levels of salt without compromising their visual quality. The cultivars demonstrated ability to maintain K+:Na+ ratio above 1, helping them resist negative effects of Na+, making them suitable for cut flower production and landscapes.
Breeding salt-tolerant crops could be a game-changer in addressing soil salinity issues, threatening 3 hectares of usable land every minute. Researchers propose using 'salt bladders' to deposit excess salt, inspired by naturally salt-loving plants.
Researchers at MIT and Saudi Arabia have developed a method to remove salt from produced water using electrodialysis, which can be economically viable for treating extremely high-salinity water. The technology could reduce the need for fresh water from other sources and minimize contaminated water disposal.
A study by SDSU biologist Jeremy Long found that scale insects have a complex effect on cordgrass growth, with salinity being a key factor. In fresh water, infested plants grew taller, but in salt water, the effect was reversed. The research suggests that plants can overcompensate for grazing when not stressed by salinity.
A new study of shark teeth from a coastal Arctic Ocean site provides insight into Eocene marine life and suggests that sharks may be able to cope with decreasing salinity. The findings also shed light on the potential impacts of Arctic warming on shark populations.
Researchers evaluated 18 Earth-Kind rose varieties for salt tolerance in two locations, finding that 'Belinda's Dream', 'Climbing Pinkie', and 'Mrs. Dudley Cross' were the most tolerant. The study recommends these cultivars for landscapes with high soil salinity.
A new study reveals that ancient Arctic sand tiger sharks were able to tolerate brackish water conditions 50 million years ago, unlike modern sand tiger sharks which require much higher salinity levels. This finding has significant implications for how today's sharks might fare in a warming Arctic region.
A team of researchers studied the genome of a Dead Sea fungus to understand its survival strategy in salty environments. The study found that the fungus needs to control cell membrane transport under tight conditions to cope with extreme salt levels.
Researchers studied various locations across North America, including the Black Canyon of Gunnison, Colorado, and the Sierra Nevada batholith. They found that spatio-temporal variability in fluvial incision rates provides data on uplift and denudation histories of landscapes.
Researchers used ancient DNA to reconstruct past plankton communities in the Black Sea, shedding light on climate-driven changes and human impact. The study found that marine ecosystems are highly sensitive to climate change and human disturbances.
The Aquarius instrument captures the first full year of surface salinity data, revealing rapid evolutions of salt patterns in the tropics. Salinity variations drive ocean circulation and provide valuable insights into global climate change.
Scientists discovered a diversion of the Gulf Stream's path south of New England in late 2011, resulting in unusually high surface water temperatures and strong currents. The researchers found that the warm waters were carried by the Gulf Stream itself, rather than just transient warm core rings.
Researchers reconstruct 9,000-year record of delta's growth and find evidence of human impact on the entire Black Sea basin. The team finds that human deforestation and agriculture led to increased nutrient availability in the sea.
A Duke University study suggests naturally occurring pathways allowed salts and gases from the Marcellus shale formation to migrate into shallow drinking water aquifers. The study found elevated levels of salinity with similar geochemistry to deep Marcellus brine in drinking water samples.
A binational team of researchers from the University of Arizona monitored conditions in Ciénega de Santa Clara before, during and after the plant's pilot run, finding no significant changes to hydrology, water quality, vegetation, or marsh birds. The wetland appears resilient in the face of short-term disturbances.
Australian scientists detected changes in ocean salinity, indicating an acceleration in the global rainfall and evaporation cycle. The water cycle has strengthened by four percent from 1950-2000, with high rainfall regions becoming wetter and arid areas drier due to global warming.
Research suggests that Burmese pythons from the Florida Everglades can survive in marine and estuarine environments for several months, raising concerns about their potential spread to nearby islands. The study found that hatchling pythons could live up to five months with only salt water to drink.
A Duke University study found increased salinity and trace elements in the Upper Mud River due to multiple surface coal mines. The research provides evidence of the cumulative effects of mountaintop mining on a river network.
CSIRO scientists rely on international cooperation to deploy Argo ocean and climate monitoring instruments, as Somali pirates operate in the region. The program offers crucial data for understanding Australian and south Asian weather patterns.
A new study by Virginia Institute of Marine Science researchers suggests that disease-resistant oysters are thriving in the high-salinity areas of Chesapeake Bay, where MSX and Dermo parasites thrive. Restoration efforts should focus on these areas to increase resistance, rather than low-salinity refugia.
Researchers at Duke University have traced rising salinity levels in the Yorktown aquifer to ancient fossil seawater, providing a long-term solution for desalinated tap water. The study found that reverse osmosis membranes can still effectively remove most dissolved salts, but may require additional treatment for boron and arsenic.
Researchers have recorded a 0.15°C drop in subtropical Atlantic water temperature between 1998 and 2006, attributed to wind-induced circulation. This finding challenges climate change theories, highlighting the significance of ocean natural variability.
The Malaspina 2010 expedition aims to assess the impact of global change on the ocean and explore its biodiversity. Over 250 researchers will study temperature, salinity, and nutrient concentration in various ocean regions.
Scientists studied soil moisture, porewater salinity, and hydrological relationships in a historically freshwater floodplain forest to develop restoration plans. They found that conditions in the vadose zone are crucial for seedling survival in coastal floodplain ecosystems.
Research shows surface ocean freshened in rainfall-dominated regions and saltier in evaporation-dominant areas. Ocean warming has changed deep-ocean salinity patterns, extending beyond the surface.
Researchers at the University of Gothenburg suspect climate change is behind the shipworm's emergence in the Baltic Sea, posing a threat to 100,000 well-preserved shipwrecks. The group aims to develop methods to protect these treasures, including covering them with geotextile and bottom sediment.
The launch of SMOS will improve understanding of water transportation around the Earth, leading to more accurate weather forecasts and climate simulations. Global measurements of salinity and soil moisture will also inform predictions of floods, droughts, and future climate changes.
Researchers use GM technique to contain salt in plant parts, reducing damage and increasing tolerance. The technology holds promise for crops like rice, wheat, and barley, improving global food security.
Scientists have developed a new equation of state for seawater based on Absolute Salinity, which is expected to provide more accurate thermodynamic calculations. The new approach aims to improve the understanding of seawater's properties and its role in the global heat engine.
Researchers from Penn State and University of Maryland studied Chesapeake Bay's salinity changes due to sea-level rise. They found an increasing trend in salinity, supporting the hypothesis that climate change is impacting the Bay's ecosystem.
A feedback mechanism between North Atlantic and tropical hydrology of Central America amplifies the effects of climate change on oceanic circulation. This mechanism, highlighted by scientists at CEREGE1, shows that changes in oceanic circulation influence global water cycle patterns and climatic equator shifts.
Scientists reconstructed a 45,000- to 60,000-year-old record of ocean temperature and salinity using chemical traces in fossil shells. They found the Atlantic got saltier during cold periods and fresher during warm intervals.
Research finds rapid changes in North Atlantic Ocean salinity linked to sudden shifts in Greenland temperatures and tropical rainfall patterns during the last ice age. This provides evidence that climate change can have a direct and rapid impact on ocean circulation and chemistry.
Climate scientist Michael Schlesinger warns of catastrophic consequences of inaction on global warming, citing the shutdown of Atlantic thermohaline circulation. The professor's book emphasizes human-induced climate change and its devastating impact on sea levels and coastal cities.
The Gaza Strip faces a severe contaminated water crisis, with the only source being unsuitable for drinking due to high levels of salinity and pollution. A proposed management plan aims to provide a win-win situation but requires cooperation between Israel and Palestine.
Long-term data shows that road salt is accumulating in ground water and aquifers, causing year-round increases in freshwater salinity. This has detrimental effects on aquatic ecosystems, even in rural areas with low road density.
Researchers estimate that excess fresh water entered the North Atlantic Ocean, causing salinity changes and potentially slowing the ocean conveyor. The study suggests that a freshening threshold could be reached in a century, affecting heat transport and climate.
Researchers monitoring two PennDOT-installed data loggers measure high salt levels in runoff wetland, reaching half the salinity of seawater. The effects on species and soil quality are still unknown but may include decreased midge populations and increased algae growth.
A giant fossil coral found in Vanuatu provides evidence of the Younger Dryas period's significant cooling event, which affected the tropics. The coral's growth rate and chemical composition reveal that sea surface temperatures were on average 4.5°C lower than present during this time.
A University of California study suggests that melting Greenland ice could lead to a significant drop in North Atlantic Ocean salinity, triggering colder climates in Northern Europe and Eastern Canada. The research found that elevated Caribbean salinity, transported by the Gulf Stream, amplifies heat transport systems.
Researchers track freshwater discharge from Arctic Ocean to North Atlantic, measuring ocean currents, temperature, and salinity. The study, funded by $2 million NSF grant, aims to understand the crucial role of Arctic freshwater in controlling Earth's climate.
Scientists studying the western Pacific Ocean find regional changes in saltiness correspond to changes in upper ocean heat content before an El Nino event. Observing salinity improves predictions, suggesting a lag time of six to 12 months for modifications in ocean layers.
The Waddenzee's water quality has changed significantly over the past 140 years, with a doubling of freshwater quantity contributing to increased nutrient levels. This shift affects species composition and plankton growth, with algal blooms continuing to increase.
Recent research reveals a mix of natural and human-induced changes in Florida Bay, with a significant increase in the mussel species Brachidontes exustus and a decline in molluscan diversity. Understanding natural variability is crucial to restore ecosystems to their natural state.