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Tracer and Timescale Methods for Passive and Reactive Transport in Fluid Flows
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Geophysical, environmental, and urban fluid flows (i.e., flows developing in oceans, seas, estuaries, rivers, aquifers, reservoirs, etc.) exhibit a wide range of reactive and transport processes. Therefore, identifying key phenomena, understanding their relative importance, and establishing causal relationships between them is no trivial task. Analysis of primitive variables (e.g., velocity components, pressure, temperature, concentration) is not always conducive to the most fruitful interpretations. Examining auxiliary variables introduced for diagnostic purposes is an option worth considering. In this respect, tracer and timescale methods are proving to be very effective. Such methods can help address questions such as, "where does a fluid-born dissolved or particulate substance come from and where will it go?" or, "how fast are the transport and reaction phenomena controlling the appearance and disappearance such substances?" These issues have been dealt with since the 19th century, essentially by means of ad hoc approaches. However, over the past three decades, methods resting on solid theoretical foundations have been developed, which permit the evaluation of tracer concentrations and diagnostic timescales (age, residence/exposure time, etc.) across space and time and using numerical models and field data. This book comprises research and review articles, introducing state-of-the-art diagnostic theories and their applications to domains ranging from shallow human-made reservoirs to lakes, river networks, marine domains, and subsurface flows
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Keywords
- ADCP measurement
- Age
- age distribution function
- antimony 125 (125Sb)
- biogeochemical
- Biology, Life Sciences
- Biscay Bay
- boundary conditions
- cart
- coastal
- coupled wave–ocean models
- Data Collection
- delft3d
- density current
- diagnostic timescales
- dispersion
- ecological
- English channel
- Estuary
- exposure time
- Floating structures
- Floodplain
- flushing time
- geophysical and environmental fluid flows
- hydrodynamic
- hydrodynamic model
- hydrogeological tracer test
- interpretation methods
- kinetics
- Lagrangian transport modelling
- macro-tidal
- Mahakam Delta
- Marina
- Mathematics & science
- meteorological influence
- model skills
- modeling
- n/a
- North Sea
- numerical modeling
- ocean drifters
- Partial Differential equations
- partitioning
- passive tracers
- Pearl River estuary
- radionuclide
- reactive tracers
- Reactive transport
- Reference, information & interdisciplinary subjects
- Research & information: general
- residence time
- return coefficient
- return-flow
- Reynolds stress
- Sacramento–San Joaquin Delta
- San Francisco Estuary
- shallow lake
- shallow reservoir
- source water fingerprinting
- Stable isotopes
- sub-basins
- tailor-made tracer design
- terrestrial dissolved substances
- Three Gorges Reservoir
- tidal hydrodynamics
- timescale
- tracer
- transport
- transport process
- transport time scales
- transport timescales
- tributary bay
- tritium (3H)
- Turbulence
- water age
- water level regulation
- water renewal
- wave bias
- wave-induced processes
- wind influence
Links
DOI: 10.3390/books978-3-0365-3522-7Editions