[1] Continental-scale hydrologic routing models, also known as macrohydrological routing models, have evolved considerably in the past few years. As the models have become more sophisticated, they have represented a variety of new processes and expanded their data requirements-either as input data or as validation for the model output. This paper presents a new data set of large-scale hydrological river flow routing parameters for the Amazon and Tocantins basins. Part of this data set was required by the development of the continentalscale hydrological routing model HYDRA and its application to the Amazon Basin. HYDRA represents phenomenalike floods, backwater effects, and seasonal hydrograph much more realistically than the previous generation of macrohydrological routing models. The data set contains data on (1) river network at 5-min ($9 km) resolution, (2) time series of monthly means of river discharge and river stage for 122 fluviometric stations spread throughout the basin, (3) sinuosity of each of the main rivers measured at 111 river sections in the basin, and (4) depth to the water table and transmissivity of the aquifer derived from measurements taken at 81 points throughout the basin.

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A significant number of promising applications for vehicular ad hoc networks (VANETs) are becoming a reality. Most of these applications require a variety of heterogenous content to be delivered to vehicles and to their on-board users. However, the task of content delivery in such dynamic and large-scale networks is easier said than done. In this article, we propose a classification of content delivery solutions applied to VANETs while highlighting their new characteristics and describing their underlying architectural design. First, the two fundamental building blocks that are part of an entire content delivery system are identified: replica allocation and content delivery. The related solutions are then classified according to their architectural definition. Within each category, solutions are described based on the techniques and strategies that have been adopted. As result, we present an in-depth discussion on the architecture, techniques, and strategies adopted by studies in the literature that tackle problems related to vehicular content delivery networks. . 2016. Vehicular networks: A new challenge for content delivery-based applications.