DEM-based topographic characterization and quantification of surface depression storage are critical to hydrologic and environmental modeling. Mixed conclusions have been obtained from previous studies on the relationship between maximum depression storage (MDS) and DEM grid spacing, which is affected by different factors, such as topographic characteristics, surface delineation methods and DEM...

This paper reports the response of trabecular meshwork (TM) endothelial cells to various topographical cues at microscale and nanoscale. Cells are cultured on substrates with aligned and random features fabricated using electrospinning and microfabrication. The expression of myocilin, a characteristic protein of TM cells, is examined. The results show that all the topographic surfaces up-regula...

A topographic-awareness and situational-perception based mobility model with path optimization for tactical MANET is proposed in this paper. Firstly, a formalized process is constructed to generate a random acceleration on nodes as the disturbance caused by small-scale topographic factors in the battlefield. Secondly, a path optimization method with the artificial bee colony algorithm is introd...

Digital terrain models (DTMs) are not commonly used to integrate for landscape spatial analysis. Two dimensional patch-corridor-matrix models are prototypes in landscape spatial ecology analysis. Previous studies have motivated ecologists to integrate terrain models in landscape analysis through 1) adjusting areas and distance calculations prior computing landscape indices; 2) designing new ind...

Topographic maps represent the delineation of features of interest in a terrain by means of contour lines. There are several benefits of maintaining topographic maps in sensor networks they can be used for resolving spatial queries, visualizing available resources in the network, and understanding spatio-temporal characteristics about the events being monitored. In this paper, we consider the p...

Soil conservation and control of erosion is a basic problem in all countries. The goal of this research is to estimate erosion and sediment yield in Ekbatan Dam drainage basin by Erosion Potential Method (EPM), using Geographic Information System (GIS). The basin is located in Hamedan Province, west of Iran, in a cold and semi- arid region, with an average annual rainfall of 334mm. The study ar...

The use of GPS and Inertial Navigation Systems in combination with topographic sensors are discussed. Topographic data are acquired using scanning laser range finders and high-resolution digital cameras. The use of reflectance data from the laser scanner is also mentioned. Characteristics of laser range data is described and a strategy for automatic interpretation is derived from that character...