More and more elevation data and methods are available to automatically map hydrographic or thalweg networks. However, there are few methods to assess the network quality. The most used method to compare an extracted network to a reference network gives global quality information on only geographic criterion. The method proposed in this paper allows a network assessment compared to a reference ...

Inverse modeling activities in oceanography have recently been intensified, aided by the oncoming observational data stream of WOCE and the advance of computer power. However, interpretations of inverse model results from climatological hydrographic data are far from simple. This thesis examines the behavior of an inverse model in the WOCE CME (Community Modeling Effort) results where the physi...

ii Acknowledgements I would like to thank the following people and organizations for their assistance and support of this research: my adviser, Shengru Tu, as well as my committee members Tamjidul Hoque and Vassil Roussev. for the opportunity of this work. As well as my friends and family for their continuous encouragement.

Ocean (T, S) data analysis/assimilation, conducted in the three-dimensional physical space, is a generalized average of purely observed data (data analysis) or of modeled/observed data (data assimilation). Because of the high nonlinearity of the equation of the state of the seawater and nonuniform vertical distribution of the observational profile data, false static instability may be generated...

This article presents an analysis of the process of industrialization and urbanization of the Sinos Valley in Rio Grande do Sul state, Brazil, starting from the establishment of leather goods and footwear manufacturing in the region during the 19th century when tanneries and factories producing footwear and/or components for footwear began to appear, and with special attention to aspects relate...

Abstract. The geographic distribution of streams and rivers drives a multitude patterns processes in hydrology, geomorphology, geography, ecology. Therefore, hydrographic network that accurately delineates both small large rivers, along with their topographic topological properties, equal precision would be indispensable the earth sciences. Currently, available global hydrographies do not featu...