Ocean science

Xem 1-20 trên 45 kết quả Ocean science
  • Chemical Reference Materials: Setting the Standards for Ocean Science is part of an evolving body of work being conducted by scientists and research sponsors interested in ensuring the quality control of oceanographic data. Chemical data collected during ongoing and future global oceanographic studies and time-series efforts must be comparable over time and among laboratories.

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  • Ocean research offers countless benefits, from improving fisheries management to discovering new drugs to enabling early detection of tsunamis and hurricanes.

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  • Earth science (also known as geoscience, the geosciences or the Earth sciences) is an all-embracing term for the sciences related to the planet Earth.[1] It is arguably a special case in planetary science, the Earth being the only known life-bearing planet. There are both reductionist and holistic approaches to Earth sciences. The formal discipline of Earth sciences may include the study of the atmosphere, hydrosphere, oceans and biosphere, as well as the solid earth.

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  • Earth science is an all-embracing term for the sciences related to the planet Earth.[2] It is arguably a special case in planetary science, the Earth being the only known life-bearing planet. There are both reductionist and holistic approaches to Earth sciences. The formal discipline of Earth sciences may include the study of the atmosphere, hydrosphere, oceans and biosphere, as well as the solid earth.

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  • In this paper we prove the global existence and uniqueness (regularity) of strong solutions to the three-dimensional viscous primitive equations, which model large scale ocean and atmosphere dynamics. 1. Introduction Large scale dynamics of oceans and atmosphere is governed by the primitive equations which are derived from the Navier-Stokes equations, with rotation, coupled to thermodynamics and salinity diffusion-transport equations, which account for the buoyancy forces and stratification effects under the Boussinesq approximation. ...

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  • Ebook Life science: Predator and Prey includes about why are predators at the mercy of their prey? What need do all desert animals have in common? What adaptations are common to many animals in polar regions? Sea creatures have different adaptations for survival in the oceans.

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  • The oceans cover over 70% of our planet's surface. Their physical, chemical and biological properties form the basis of the essential controls that facilitate life on Earth. Current concerns such as global climate change, pollution of the world's oceans, declining fish stocks, and the recovery of inorganic and organic chemicals and pharmaceuticals from the oceans call for greater knowledge of this complex medium. This volume brings together a number of experts in marine science and technology to provide a wide-ranging examination of some issues of major environmental impact....

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  • (BQ) Ebook Life science: How Plants and Animals Live helps you know what parts of a bird help it get food? How does a stem help a plant? Camouflage helps some living things stay safe. Write to explain how one living thing in the book uses camouflage to stay safe.

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  • Sometimes, as the boy struck in unison with the rise, he missed his fish, at others he hooked and held it till it broke away, and then again he transferred another to his creel, as intent upon his sport as his uncle was upon his pursuit, but still adding and adding to the contents of the creel for quite an hour. Then, in an interval when the fish had ceased to rise,

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  • Until about a century ago, the deep-ocean floor was completely inaccessible, hidden beneath waters averaging over 3,600 meters deep. Totally without light and subjected to intense pressures hundreds of times greater than at the Earth's surface, the deep-ocean bottom is a hostile environment to humans, in some ways as forbidding and remote as the void of outer space.

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  • Global warming is the rising average temperature of Earth's atmosphere and oceans since the late 19th century and its projected continuation. Since the early 20th century, Earth's average surface temperature has increased by about 0.8 °C, with about two thirds of the increase occurring since 1980. Warming of the climate system is unequivocal, and scientists are more than 90% certain that most of it is caused by increasing concentrations of greenhouse gases produced by human activities such as deforestation and the burning of fossil fuels.

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  • A large amount of information has accumulated on humic acids and related substances, which warrants the creation of an independent science of humic compounds. Two different concepts have emerged from the maze of data, one claiming humic compounds to be operational or fake compounds, produced by the analytical extraction procedures, and the other considering them to be natural compounds occurring in soils, rivers, lakes, oceans and their sediments.

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  • Earth Science is made up of many different areas of geological study. Since the Earth contains everything from clouds (meteorology) and oceans (marine biology) to fossils (paleontology) and earthquakes (geology/plate tectonics), there is a lot to choose from!

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  • Geography is the study of the transformation of spatial location of natural and human phenomena on Earth. Topics include: The location on Earth and in space Civilized areas such as national or local city and Sciences related to geography

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  • Challenges to sustaining the productivity of oceanic and coastal fisheries have become more critical and complex as these fisheries reach the upper limits to ocean harvests. In addition, it is now clear that we are managing interactive and dynamic food webs rather than sets of independent single-species populations.

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  • Eastern Sea of Vietnam is the world's largest semi-open sea and is bounded by archipelagos, islands, mainland and connected partially with Pacific and Indian Ocean. Its total water surface area is about 2,974,600km2. Vietnamese and foreign geoscientists have researched, got samples and mapped the geological map of Eastern Sea since 1960s but no guidance or right method was carried out to map, especially in presenting geological units on geological map.

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  • The Pacific Ocean isn’t just the deepest and largest ocean. It is also home to one of the world’s most amazing natural wonders: the Great Barrier Reef. Located off of the northeastern coast of Australia, the Great Barrier Reef is 210 separate coral reefs that stretch for more than 1,260 miles (2,028 kilometers) around northern Australia. Th e Great Barrier Reef is full of some of the most amazing, beautiful, and deadly sea creatures on the planet, including the Irukandji jellyfi sh and the great white shark....

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  • Subject Geography is the study of variation in the spatial position of natural phenomena and man on Earth.Topics include: The location on Earth and in space, Civilized areas such as national or local city and, The science related to geographical

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  • Having explored and mapped our planet's land masses, vast oceans and the space surrounding it, science is turning inward to the challenging and controversial mapping of the human genome, a collection of genes forming DNA. Each of our genes is a single instruction for the make-up of an individual being. The more we learn, the more we discover to explore - and the more controversy we release in the process.

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  • Annals of Mathematics We study the motion of an incompressible perfect liquid body in vacuum. This can be thought of as a model for the motion of the ocean or a star. The free surface moves with the velocity of the liquid and the pressure vanishes on the free surface. This leads to a free boundary problem for Euler’s equations, where the regularity of the boundary enters to highest order. We prove local existence in Sobolev spaces assuming a “physical condition”, related to the fact that the pressure of a fluid has to be positive. ...

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