The purpose of this study is to assess the performance of an adaptive model (AM) in estimating chlorophyll-a concentration (Chl-a) in optically complex inland waters. Chl-a modeling using remote sensing data is usually based on a single model that generally follows an exponential function. The estimates produced by such models are relatively accurate at high Chl-a concentrations, but accuracy d...

Inland saline groundwater is abundant in various areas of the world but is not suitable for traditional agriculture irrigation and is also not suitable for marine aquaculture mainly because of potassium deficiencies. In the present work, we used marbled spinefoot rabbitfish Siganus rivulatus, as a model organism to investigate whether varying levels of aqueous K affect survival and growth, and ...

Total suspended matter is an important water quality parameter, and plays a key role in water quality evaluation, especially of inland waters. Many different methods have been developed to estimate TSM from remote sensing data, in which empirical methods and model-based methods are two types of commonly used methods. Compared with empirical methods, model-based methods have the advantages of de...

An international Symposium for the Classification of Brackish Waters, sponsored by the International Association of Limnology and the International Union of Biological Sciences, was held in Venice, 8-14 April 1958. From it derived the following statement on the classification of marine saline waters. The complete proceedings of the symposium are to be published soon, prcsumably as an IUBS collo...

The introduction in a number of UN/ECE countries of new legislation to control and reduce water pollution from point sources was aimed at achieving stricter measures for pollution prevention at source, as well as the implementation of add-on measures such as advanced sewage treatment. In countries where such legislation has been introduced, both the relative and the absolute contribution of emi...

A conceptual model was developed for the estimation of chlorophyll a (Chl) in turbid productive waters, based on the optical information in the red and in the near-infra-red (NIR) spectral regions. The calibration of the model with spectral bands of satellite-carried sensors MERIS and MODIS, proved applicable over two orders of magnitude of Chl concentration. The goal of the current work was to...

In the last five year our research group have been starting to explore the unique and extremely different cyanobacteria world, a group of Gram-negative photosynthetic bacteria, able to inhabit any kind of water environment, such as coastal and inland waters. Their name derives from the capacity to produce, during their photosynthetic processes, a blue-green coloured pigment, called c-phycocyani...

In recent years a great deal of research efforts in ship hydromechanics have been devoted to practical navigation problems in moving larger ships safely into existing harbours and inland waterways and to ease congestion in existing shipping routes. The starting point of any navigational or design analysis lies in the accurate determination of the hydrodynamic forces generated on the ship hull m...