Identification of photosynthesis-light models for aquatic systems II. Application to a macrophyte dominated stream

TL;DR: A review of the role of uncertainty in the identification of mathematical models of water quality and in the application of these models to problems of prediction can be found in this paper, where four problem areas are examined in detail: uncertainty about model structure, uncertainty in estimated model parameter values, the propagation of prediction errors, and the design of experiments in order to reduce the critical uncertainties associated with a model.

TL;DR: In this paper, an ensemble Kalman filter (EnKF) was used to link a series of measurements with a simple box model of C transformations, and the assimilation process reduced the uncertainties associated with using data or model alone and the forecasts of NEE were statistically unbiased estimates.

TL;DR: In this paper, a review of the algorithms used to describe these relationships are reviewed, with emphasis placed on aquatic plants in freshwater ecosystems, and the robustness of macrophyte simulation models is largely dependent on the rigour with which they are calibrated and verified against natural data representing a broad range of environmental conditions.

TL;DR: In this article, a nonlinear model relating CO2 exchange to light and temperature is derived from experimental curves determined in other investigations, which are useful for comparing responses to light, population heterogeneity, or species variation.

TL;DR: In this paper, an instrumental variable (IV) technique is proposed to identify a dynamic process from its normal operating data, which does not require a priori information on the signal and noise statistics.

TL;DR: In this paper, a galvanic cell consisting of a silver-lead couple separated from the test sample by an oxygen permeable plastic membrane provides the basis of a simple oxygen analyzer, whose current generated, while directly proportional to the amount of oxygen in the sample, also depends upon factors such as temperature, membrane thickness, kind and concentration of the supporting electrolyte, and the geometry of the cell.

TL;DR: The accuracy of the Winkler method, modified to prevent the loss of iodine vapour, has been confirmed using gaseous oxygen as a standard as mentioned in this paper, and the approach to equilibrium using these values was consistent with the law of Adeney & Becker.