نتایج جستجو برای: antecedent rainfall
تعداد نتایج: 37719 فیلتر نتایج به سال:
The main aim of this study was to assess the ability of simple geometric measures of thunderstorm rainfall in explaining the runoff response from the watershed. For calculation of storm geometric properties (e.g. areal coverage of storm, areal coverage of the high-intensity portion of the storm, position of storm centroid and the movement of storm centroid in time), spatial information of rainf...
Although plot-scale erosion experiments are numerous, there few studies on constructed landforms. This limits the understanding of their long-term stability, which is especially important for planning mined land rehabilitation. The objective this study was to gain insight into processes in a 30 × m trial plot mine waste rock dump tropical northern Australia. relationships between rainfall, runo...
It is known that at the event scale, evaporation losses of rainfall intercepted by canopy are a few millimeters, which often not much in comparison to other stocks water balance. Nevertheless, yearly number times filled and then depleted can be so large interception flux may become an important fraction rainfall. Many accurate models describe wet have been proposed. However, they require parame...
Recent events worldwide demonstrate how coastal communities of integrated natural and human systems are exposed to hydrological flooding processes. Standard flood hazard assessment practices account independently for rainfall-runoff, tides, storm surge not the non-linear combination commonly defined as compound flooding. This research evaluates zones past, present, future (c. 1890–2090) conditi...
Thresholds in precipitation-runoff relationships have been observed numerous studies using scatter plots comparing meteorological factors and hydrologic response metrics. Most thresholds reported the literature identified from between that quantify volumes or depths of water (e.g., total event rainfall) metrics capturing magnitude runoff ratio), with a strong emphasis on hillslopes catchments t...
This study aims to evaluate the impact of extreme rainfall events on landslides under current and past climate scenarios. Rainfall-triggered are analyzed by estimates, derived using statistics events. It is established that recent changes, mainly temperature patterns have significantly increased rainfall-induced landslide hazards in Rangamati district, Bangladesh. also observed had gradually du...
Soil water is a critical factor closely related to hydrological and ecological processes. Owing the complex surface conditions with heterogeneous soil thickness abundant underlying fissures, in karst region has been complicated issue. In this study, dynamic changes of vertical profile selected grassland, farmland bare land on yellow hillslope southwest China were monitored at five depths includ...
Debris flows can grow greatly in size and hazardous potential by eroding bed bank materials. However, erosion mechanisms are poorly understood because debris complex hybrids between a fluid flow moving mass of colliding particles, erodibility varies events, field measurements hard to obtain. Here, we (i) quantify the spatio-temporal patterns deposition (ii) identify key controls on debris-flow ...
The Dustbowl Era drought in the 1930s was the principal Midwest drought of the twentieth century, occurring primarily in late spring–summer [April–August (AMJJA)] when 70% of annual rainfall normally occurred. Another major Midwest drought occurred in the 1950s but primarily in fall–early winter [September–December (SOND)] when normal rainfall was 1/2 as much. Optimized canonical correlation an...
Abstract. Landslides are an impacting natural hazard in alpine regions, calling for effective forecasting and warning systems. Here we compare two methods (physically based probabilistic) the prediction of shallow rainfall-induced landslides application to Switzerland, with a specific focus on value antecedent soil wetness. First, show that landslide susceptibility predicted by factor safety in...
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