نتایج جستجو برای: floodplains
تعداد نتایج: 1171 فیلتر نتایج به سال:
There is an increasing awareness that rivers need more room in order to safeguard flood safety under climate change conditions. Contemporary river management is creating room in the floodplains and allowing, within certain bounds, natural processes of sedimentation and erosion. One of the aims is to restore dynamic conditions, so as to get a sustainable and more diverse river ecosystem that can...
Floodplains are among the most valuable ecosystems of the world. In the Netherlands they have a double function, serving both safety and nature, recreational purposes. Safety standards for flood protection of this densely populated country are the highest world-wide, protecting against events expected to occur with an annual probability of 1/10,000. Rivers in the Netherlands are all embanked by...
Water and suspended sediment fluxes are considered during the period 2000–2008 in a region including the full Amazon River from the confluence of the Negro River to Santarém, the end part of the Solimões River, and the lower part of the Madeira River. Three types of data are used: water discharge estimated from field measurements, and suspended sediment obtained from field measurements and deri...
Flume studies have been carried out to investigate flow structure for relatively low velocities and inundation for vegetation typical to floodplains and wetlands, such as grasses and bushes. Mean velocity profiles and turbulence characteristics from flume experiments on three different natural vegetal roughness types are reported. Two relatively new approaches for describing vertical velocity p...
Background The coastal floodplains of northern Australia are fire-prone, but the impact fire on floodplain biota is not well understood.Aims In this study, we sought to characterise history six adjacent in Northern Territory, Australia.Methods We built a fine-scale 31-year (1988–2018) compare regimes across land tenures and with surrounding savanna regime, determine extent which current meeting...
From 1975 to 2000, the water buffalo population in the Brazilian Amazon increased at nearly 13% per year, making it one of the fastest growing herds in the world. On the floodplains of the Amazon River buffalo are managed in a similar manner to cattle, but often earn superior production figures. This production advantage, however, is tempered by the role buffalo play in conflicts between landow...
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