b a c k g r o u n d & aim: following the bam earthquake, relief teams and individual volunteers’influx in the scene. we conducted this survey to determine the needs and health status of relief workers when they were in the scene. methods  & materials:   this  was a concurrent  nested  mixed-method  survey  that  the qualitative nested   in  a  quantitative   approach.   interviews   were   thro...

The soil roughness at the field level is an easy visually perceptible notion, but difficult to describe numerically. The objective of this paper is to propose a method to establish quantitative and descriptive soil roughness indices. A measurement system was developed using a laptop-computer and a laser cell. The elevation data are measured on the ground along a square array. They are treated w...

Catchment morphology and drainage density are strongly influenced by hillslope processes. The consequences of several different hillslope process laws are explored in a series of experiments with a numerical model of drainage basin evolution. Five different models are considered , including a simple diffusive-advective process transition, a runoff-generation threshold, an erosion threshold, and...

Large format digital camera (LFDC) systems are becoming more broadly available and regularly collect image data over large areas. Spectral and radiometric attributes of imagery from LFDC systems make this type of image data appropriate for semi-automated change detection. However, achieving accurate spatial co-registration between multitemporal image sets is necessary for semi-automated change ...

Background & aim: Giving birth is a painful process, which exposes women to a lot of stress. It is the responsibility of the healthcare practitioners to make this process less burdensome. In this regard, the present study aimed to investigate the attitudes of postpartum mothers towards labor pain relief. Methods: This descriptive cross-sectional study was conducted on 153 females with spontaneo...

We present a method for synthesizing high reliefs, a sculpting technique that attaches 3D objects onto a 2D surface within a limited depth range. The main challenges are the preservation of distinct scene parts by preserving depth discontinuities, the fine details of the shape, and the overall continuity of the scene. Bas relief depth compression methods such as gradient compression and depth r...