Nonlinear Internal Waves in Lakes
Seiten
2011
|
2012
Springer Berlin (Verlag)
978-3-642-23437-8 (ISBN)
Springer Berlin (Verlag)
978-3-642-23437-8 (ISBN)
Internal wave dynamics in lakes (and oceans) is an important physical element in the geophysical fluid mechanics of the world's 'quiescent' water bodies. This volume examines the issue through cutting-edge nonlinear internal dynamics and field case studies.
Internal wave dynamics in lakes (and oceans) is an important physical component of geophysical fluid mechanics of 'quiescent' water bodies of the Globe. The formation of internal waves requires seasonal stratification of the water bodies and generation by (primarily) wind forces. Because they propagate in basins of variable depth, a generated wave field often experiences transformation from large basin-wide scales to smaller scales. As long as this fission is hydrodynamically stable, nothing dramatic will happen. However, if vertical density gradients and shearing of the horizontal currents in the metalimnion combine to a Richardson number sufficiently small (< ¼), the light epilimnion water mixes with the water of the hypolimnion, giving rise to vertical diffusion of substances into lower depths. This meromixis is chiefly responsible for the ventilation of the deeper waters and the homogenization of the water through the lake depth. These processes are mainly formed as a result of the physical conditions, but they play biologically an important role in the trophicational state of the lake.
Internal wave dynamics in lakes (and oceans) is an important physical component of geophysical fluid mechanics of 'quiescent' water bodies of the Globe. The formation of internal waves requires seasonal stratification of the water bodies and generation by (primarily) wind forces. Because they propagate in basins of variable depth, a generated wave field often experiences transformation from large basin-wide scales to smaller scales. As long as this fission is hydrodynamically stable, nothing dramatic will happen. However, if vertical density gradients and shearing of the horizontal currents in the metalimnion combine to a Richardson number sufficiently small (< ¼), the light epilimnion water mixes with the water of the hypolimnion, giving rise to vertical diffusion of substances into lower depths. This meromixis is chiefly responsible for the ventilation of the deeper waters and the homogenization of the water through the lake depth. These processes are mainly formed as a result of the physical conditions, but they play biologically an important role in the trophicational state of the lake.
Internal Waves in Lakes: Generation, Transformation, Meromixis.- Field Studies of Non-linear Internal Waves in Lakes on the Globe.- Laboratory Modelling on Transformation of Large Amplitude Internal Waves by Topographic Obstructions.- Numerical Simulations of the Non-hydrostatic Transformation of Basic-scale Internal Gravity Waves and Wave-Enhanced Meromixis in Lakes
Erscheint lt. Verlag | 26.11.2011 |
---|---|
Reihe/Serie | Advances in Geophysical and Environmental Mechanics and Mathematics |
Zusatzinfo | XVI, 280 p. |
Verlagsort | Berlin |
Sprache | englisch |
Maße | 155 x 235 mm |
Gewicht | 579 g |
Themenwelt | Naturwissenschaften ► Geowissenschaften ► Geologie |
Naturwissenschaften ► Geowissenschaften ► Geophysik | |
Schlagworte | fluid mechanics • Geodäsie • Geophysik • marine and freshwater sciences • meromixis • Nonlinear waves • Wave dynamics |
ISBN-10 | 3-642-23437-2 / 3642234372 |
ISBN-13 | 978-3-642-23437-8 / 9783642234378 |
Zustand | Neuware |
Haben Sie eine Frage zum Produkt? |
Mehr entdecken
aus dem Bereich
aus dem Bereich
Mit Hightech auf der Suche nach Öl, Gas und Erdwärme
Buch | Softcover (2022)
Springer (Verlag)
24,99 €