Slope has obvious scale-dependent characteristics and it changes with the change in DEM resolution, which brings uncertainty to evaluation process of regional resource environment. In this paper, one typical county each six water erosion regions China was selected as sample area, respectively. Based on data ALOS DEM, ASTER GDEM SRTM different spatial resolutions, slope characteristics, such gra...

abstract the proper management of a watershed depends on recognition of effective elements and investigation of their behavior in different conditions. till date, many researches have studied the role of topographical general characteristics on hydrologic behaviors. whereas, the changeability of hydrologic properties under different conditions, especially in iranian watershed has been rarely ta...

As a new type of intelligent monitoring network, the wireless sensor network rapidly growing in order to study many technical personnel relevant level analyze and think from multiple angles, combining world application center. In research stage, combined with experience former researchers, this article combines variety algorithms, including (WSN) layer routing protocols, such as BP neural other...

With the rapid development of China’s economic construction, large-scale infrastructure construction has been carried out in slope area. However, due to poor geological environment, concentrated rainfall, and limited land resources region, a large number toe excavation graded cutting are process engineering construction. The unreasonable method destroys original shape affects stability slope, w...

The addition of multimodal feedback during navigation in a virtual environment is fundamental when aiming at fully immersive and realistic simulations. Several visual, acoustic, haptic or vibrotactile perceptual cues can be generated when walking over a ground surface. Such sensory feedback can provide crucial and varied information regarding either the ground material itself, the properties of...

Massively parallel programming languages, like StarLogo, provide a rich environment for introducing differential equations to students with an unsophisticated mathematical background. In this paper we describe the basic software for simulating and monitoring various population dynamics. Simple differential equations that describe the observed dynamics are introduced. The same environment is the...