Titlebook: Oceanic Circulation Models: Combining Data and Dynamics; David L. T. Anderson,Jürgen Willebrand Book 1989 Kluwer Academic Publishers 1989

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Model of the Nutrient and Carbon Cycles in the North Atlantic an Application of Linear Programming well and poorly determined model parameters and the important (or redundant) parts of the input data. Often it is possible to infer what additional information is needed to better determine certain model parameters.

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,Driving of Non-Linear Time-Dependent Ocean Models by Observation of Transient Tracers—A Problem of bles. The optimization is performed iteratively: first an initial guess of . is taken, then the distance function . is evaluated by integrating the ocean model for a time interval in which tracer (or other) measurements are available. The gradient of . with respect to . is calculated with the aid of

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The Role of Real-Time Four-Dimensional Data Assimilation in the Quality Control, Interpretation, ann systems..Based on experience with FGGE and TOGA, it is clear that there will be a strong demand for the production of timely gridded III-a analyses of all the World Climate Research Programme (WCRP) data. The efficiency of the observing systems, and of the scientific work, will be considerably enh

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On Oceanic Boundary Conditions for Tritium, on Tritiugenic 3He, and on the Tritium-3He Age Concept,red and compared with that for regular transient tracers. A tendency of age distributions to develop towards stationarity is found. A case is made that tritium-.He age distributions are suitable for evaluation by inverse modelling. The case is discussed for tritium-.He age distributions in the lower

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Instabilities and Multiple Steady States of the Thermohaline Circulation,6) investigated box models, Marotzke .. (1988) a 2-dimensional model with T-S advection and diffusion, a simplified momentum balance and purely thermo haline forcing. Bryan (1986) found that the 3-dimensional GFDL model, with symmetric thermohaline and wind forcing, has an asymmetric steady state.

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Subgridscale Representation, approximated by perturbation analyses. And if we can’t carry out all the steps by purely analytical means, the computer can carry out numerics. Importantly, in the end we can feel that we have proceeded carefully, as mathematical, physical sorts of scientists should. Until we come to ocean modellin

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Book 1989and it is crucial to use appropriate methods in order to extract the maximum amount of information from observations. The book contains a thorough analysis of methods to combine data of val‘ious types with dynamical concepts, and to assimilate data directly into ocean models. The properties of geocl

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Dirk Olberstive or purely economic, since, by varying only the collection of goods, other (social, etc.) factors must be held constant. By changing these other factors, a different utility possibility frontier may emerge. Conceptually, this generalisation can easily be taken into account by taking the outer en