By National Research Council, Division on Earth and Life Studies, Environment and Resources Commission on Geosciences, Ocean Studies Board
This e-book describes the advance of ocean sciences during the last 50 years, highlighting the contributions of the nationwide technological know-how origin (NSF) to the field's development. some of the people who participated within the fascinating discoveries in organic oceanography, chemical oceanography, actual oceanography, and marine geology and geophysics describe within the booklet how the discoveries have been made attainable by way of mixtures of insightful members, new expertise, and in certain cases, serendipity.
as well as describing the improvement of ocean technology, the e-book examines the institutional buildings and expertise that made the advances attainable and offers visions of the field's destiny. This publication is the first-ever documentation of the background of NSFâ€™s department of Ocean Sciences, how the constitution of the department developed to its current shape, and the people who were accountable for ocean sciences at NSF as â€œrotatorsâ€ and profession employees over the last 50 years.
Read or Download 50 Years of Ocean Discovery: National Science Foundation 1950-2000 PDF
Best oceanography books
The first objective here's to offer a treatise at the importance and price of coarse clastic carbonate sediments (i. e. huge coral boulders) on tropical coastlines for realizing either sleek and pre-historical (Holocene) high-magnitude marine inundation occasions. there was a fast groundswell of curiosity in huge carbonate blocks on tropical coasts during the last decade, but it isn't extensively liked that such positive factors have been saw and recorded again within the early explorations of Matthew Flinders at the nice Barrier Reef within the 1800s.
Coastal constructions are a tremendous part in any coastal defense scheme. They at once keep watch over wave and typhoon surge motion or to stabilize a seashore which supplies safeguard to the coast. This booklet presents the main updated technical advances at the layout and building of coastal constructions and sea defenses.
A scientific examine of chaotic ray dynamics in underwater acoustic waveguides all started within the mid-1990s whilst it used to be discovered that this issue performs a vital function in long-range sound propagation within the ocean. The phenomenon of ray chaos and its manifestation at a finite wavelength -- wave chaos -- were investigated via combining equipment from the idea of wave propagation and the speculation of dynamical and quantum chaos.
Built in partnership with the nationwide Geographic Society, market-leading OCEANOGRAPHY: a call for participation TO MARINE technological know-how, 9e supplies a simple knowing of the clinical questions, complexities, and uncertainties serious about ocean use-as good because the position and significance of the sea in nurturing and maintaining existence in the world.
- Oceanography and marine biology. : volume 26 an annual review
- Atmosphere, Ocean and Climate Dynamics: An Introductory Text
- Historical geology
- Oceanic Migration: Paths, Sequence, Timing and Range of Prehistoric Migration in the Pacific and Indian Oceans
- Frontiers in Turbulence and Coherent Structures: Proceedings of the Cosnet Csiro Workshop on Turbulence and Coherent Structures in Fluids, Plasmas and ... Lecture Notes in Complex Systems)
- Illuminating the Hidden Planet: The Future of Seafloor Observatory Science
Additional info for 50 Years of Ocean Discovery: National Science Foundation 1950-2000
J. Heirtzler had identified magnetic anomalies on both sides of the Mid-Atlantic Ridge along a transect across the South Atlantic and had estimated the ages of the anomalies by extrapolating back into the Late Cretaceous the radiometric ages of magnetic reversals in Neogene lava flows on land, assuming uniform spreading rates. Two geophysicists, Art Maxwell and Dick 34 35 von Herzen, were designated as co-chief scientists. Drilling showed a near-perfect match between magnetically predicted basement ages and paleontologically determined ages of basal sediments, and for this reason alone the leg was a triumph.
Almost concurrent with the start of drilling, an empirical relation was established, using an early version of the magnetic anomaly time scale, for the age of oceanic crust and its depth below the sea surface. The empirical curve, with correction for isostatic loading by sediments, fits closely to a simple curve D = D0 + K(Age1/2), where D is the depth of oceanic crust, D0 is the depth at the spreading center and K is a constant, generally about 350. The curve is applicable out to crust about 80 million years old, where it begins to flatten.
S. Geological Survey. CaMrill maintained position by monitoring deviations from the vertical of a taut wire from the vessel to an anchor on the seafloor. The data went to a computer that controlled four large outboard motors on the four "corners" of the ship and kept the ship on station. The cores (recovery about 25-70 percent) from the six drill sites nicely documented the Cenozoic drowning history of the old Cretaceous carbonate platform, but everyone understood that the taut-wire station-keeping system would not be applicable to operations in the deep sea, the place everyone wanted to go.