نتایج جستجو برای: floodplains
تعداد نتایج: 1171 فیلتر نتایج به سال:
This paper explores the environmental inequalities of living in the floodplains of England and Wales and the differences in flood awareness of those 'at risk'. An area comparison is made between an etic, objective flood risk exposure, and an emic, subjective perception of that risk by social class. In all areas except the Midlands, the working classes were more likely to reside in the floodplai...
In rural settlements of the floodplains in Bangladesh, an intrinsic element is the homestead. The homestead layout is defined by the courtyard, formed by the arrangement of dwelling units and ancillary buildings around a rectangular open space. The courtyard has important physical and functional characteristics derived from local climatic requirements and living patterns. However, particularly ...
Floodplains are composed of complex depositional patterns of ancient and recent stream sediments, and research is needed to address the manner in which coarse floodplain materials affect stream/groundwater exchange patterns. Efforts to understand the heterogeneity of aquifers have utilized numerous techniques typically focused on point-scale measurements; however, in highly heterogeneous settin...
Rivers of the Coastal Plain of the southeastern United States are characteristically low-gradient meandering systems that develop broad floodplains subjected to frequent and prolonged flooding. These floodplains support a relatively unique forested wetland (Bottomland Hardwoods), which have received considerable ecological study, but distinctly less hydrogeomorphic study. The hydroperiod, or an...
The hydraulic resistance of vegetation can play a major role in the hydrodynamics of vegetated streams or rivers with extensive natural floodplains. Contrary to commonly used wall roughness methods, vegetation penetrates the flow field causing drag and, subsequently, additional energy losses. Klopstra et al. (1997) derived an analytical solution of the flow velocity profile over and through a f...
-Habitat selection in the darkling beetle Eleodes hispilabris Say (Coleoptera: Tenebrionidae) on the shortgrass prairie of the central United States was nonrandom at both a broad (km2) and a fine (cm2) scale, relative to the abundance of broadly defined habitat types and, within these, microhabitats. On a broad habitat scale, darkling beetles were more numerous and had longer residence times (a...
Throughout the latter half of the twentieth century, wildlife habitat destruction and species extinctions have greatly increased. As the number of endangered species grows, the use of reintroduction as a conservation tool against species extinction increases. This study focuses on a 16-month study on marsh deer reintroduced in the Jataí Ecological Station. The animals were radio tagged and trac...
Numerous sources of overtopping and flood events suggest different cross-sectional land characteristics the river urban water systems. Multiple stages floodplains in compound channels are viable areas to facilitate bank slope stability a higher discharge capacity for flow rates. The complexity contiguous floodplains’ channel flows manifold with interactive geometry roughness surrounding floodpl...
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