Global diagnosis completed of ocean regions most sensitive to an iron-rich diet
...picture of the extent of these unique iron-limited ocean regions, an important step in understanding how th...ion and size of nutrient-limited areas in the open ocean has challenged oceanographers for nearly a century. We know where the major iron-limited areas ...New views of tropical thunderstorms and pollution effects on rainfall presented at AGU meeting
...hat thunderstorms over tropical lands can act like ocean storms, pollution can inhibit rainfall, and upper level winds may determine the characteristics of thunderstorms. Some of these findings give promise to better understanding thunderstorm development, and researchers working with NASAs Tropical Rain...7,000 feet under the Sea: LSU scientists take geology to great depths
...ulf, the researchers hope to find the link between ocean changes and hydrate stability and provide a history of gas hydrates and how they affected the atmosphere in the past. The goal of both researchers is to learn about the past and compare those findings with the present to be better prepared for the f...Science's Top 10: genome sequencing named top scientific advance of 2000
...low on Mars and further convincing evidence for an ocean on the Jupiter moon Europa made headlines in 2000....ed crust strengthened the case for a salty, global ocean lurking beneath the moon's icy shell. Since many researchers believe that water is essential for the...New method for studying ocean currents to help fight erosion
...loped a new way to map the ocean currents that erode beaches, cost ... researchers investigating ocean waves, so Lippmann and Shore were able to take advantage of the fact that re...Researchers trace toxins from algal blooms through the marine food web in Monterey Bay
...ammals and birds, said Mary Silver, a professor of ocean sciences at the University of California, Santa Cruz. Among the animals potentially affected by the toxin are several endangered species of whales that feed in Monterey Bay on the organisms Silver found were tainted with domoic acid. While there are ...Earlier water on Earth? Oldest rock suggests hospitable young planet
...sample suggests that early Earth was not a roiling ocean of magma, but instead was cool enough for water, continents, and conditions that could have supported life. The age of the sample may also undermine accepted current views on how and when the moon was formed. The research was supported in part by t...Oldest crystal reveals early Earth
...ggests the early Earth, instead of being a roiling ocean of magma, was cool enough to have water, continents and conditions that could have supported life. Moreover, the age of the 4.4-billion-year-old sample may also undermine accepted views on the formation of the moon. By probing a tiny grain of zircon,...Atmospheric chemistry key to global and local air pollution
...t as an urban city, a rural forest and the Pacific ocean shed light on the fundamental relationships among atmospheric oxidation, ozone production, nitrogen oxide and hydrogen oxides. "The major thrust of atmospheric research is tied into the Earth science," says Brune. "We look at things locally, then re...Study: sea salt seasons chemical brew that destroys Arctic ozone
...ness, ozone in a thin layer of air over the Arctic ocean is completely removed. "This was a big surprise to us, and it indicated that our understanding of atmospheric ozone, and the factors that lead to its production and depletion, is poor," Shepson says. Since then, scientists have found evidenc...Scientists see early indications of lobster decline
...e result of other factors, possibly changes in the ocean environment itself which could affect survival or delivery of the larval stages to the ocean bottom. "Just as we cannot explain the dramatic increase in lobster abundances and landings over t...New group of microorganisms discovered in the open sea
...nts such as high-temperature volcanic vents on the ocean floor, continental hot springs and fumeroles, and highly salty or acidic waters. Now, scientists funded by the National Science Foundation (NSF) have found unexpected, astounding numbers of archaea living in Earth's largest biome, the open sea. ...Story tips from the Department of Energy's Oak Ridge National Laboratory, January 2001
...sts have a clear picture that shows regions of the ocean where limited iron dust deposition may be influencing ocean biological activity. Its significant because scientists know that adding iron to the diet of marine ...February media highlights: Geology and GSA today
...thane hydrates -- solid methane stored deep in the ocean -- was the cause of this dramatic change, releasin...t. Submarine growth and internal structure of ocean island volcanoes based on submarine observations of Mauna Loa volcano, Hawaii. Michael O. Garcia and...UC Davis science newstips Feb 01
... of waste at sea, said Nelson. "If you insult the ocean in a significant way, it will result in a die-off," said Nelson. That could lead to a release of hydrogen sulfide from the seafloor, which could affect fish and other marine animals and plants. Website: http://www.mbari.org/dmo/ventana/ventana.html...Pollen record from Chilean lakes indicates global "togetherness" during last ice age
...emisphere ice sheets and changes in North Atlantic ocean currents. So, if we find similar climate patterns in this region, that indicates the cause must be something global or atmospheric in nature. The North Atlantic ice sheets and iceberg armadas could not be the driving force, explained Lowell. The same...Scientific theory of marine reserves to be released
...ience of marine reserves -- protected areas of the ocean -- takes a major leap forward today with the relea... be highly successful in preserving and increasing ocean life. The group, working together since 1997 to analyze information from all over the world, was ...Coping with natural disasters along the Pacific Rim
...very few years by the occurrence of unusually warm ocean conditions - the phenomenon known as El Ni-o. ``The Pacific Ocean - the world`s largest body of water - is the spawning ground for the planet`s most powerful cyclonic systems,`` says Ernst. He points out that the Pacific receives an enormous input o...A seafood paradox: Will fish farming save or deplete our ocean fisheries?
...ld catches of herring, mackerel, sardine and other ocean varieties. Naylor estimates that nearly two pounds...lain how the aquaculture industry affects not only ocean life but also humans. According to Primavera, shrimp farms frequently displace rice paddies, boat la...