نتایج جستجو برای: urban floods
تعداد نتایج: 181048 فیلتر نتایج به سال:
Introduction: Urban floods were addressed as a separate disaster after the historical 2005 Mumbai floods. flood peaks are 2-8 times and volume 6 when compared with rural We now handling multiple disasters simultaneously due to Covid-19 Pandemic. The river plains of north India prone in monsoon season geographical location Prayagraj doubles damage because it faces wrath from two sides. Very few ...
Determining the role of different precipitation periods for peak discharge generation is crucial for both projecting future changes in flood probability and for shortand medium-range flood forecasting. In this study, catchmentaveraged daily precipitation time series are analyzed prior to annual peak discharge events (floods) in Switzerland. The high number of floods considered – more than 4000 ...
This study analyzed the spatiotemporal pattern of settlement expansion in Abuja, Nigeria, one of West Africa’s fastest developing cities, using geoinformation and ancillary datasets. Three epochs of Land-use Land-cover (LULC) maps for 1986, 2001 and 2014 were derived from Landsat images using support vector machines (SVM). Accuracy assessment (AA) of the LULC maps based on the pixel count resul...
Quantifying Urban Sprawl with Spatial Autocorrelation Techniques using Multi-Temporal Satellite Data
This study deals with the use of satellite TM multi-temporal data coupled with statistical analyses to quantitatively estimate urban expansion and soil consumption for small towns in southern Italy. The investigated area is close to Bari and was selected because highly representative for Italian urban areas. To cope with the fact that small changes have to be captured and extracted from TM mult...
Floods and tsunamis cause few severe injuries, but those injuries can overwhelm local areas, depending on the magnitude of the disaster. Most injuries are extremity fractures, lacerations, and sprains. Because of the mechanism of soft tissue and bone injuries, infection is a significant risk. Aspiration pneumonias are also associated with tsunamis. Appropriate precautionary interventions preven...
Spatial and temporal patterns of transported organic matter (seston) and macroinvertebrates (drift) and benthic macroinvertebrate densities were examined before, during, and shortly after each of a series of scheduled, experimental floods in a flow-regulated river in the Swiss National Park. Temporal patterns in the lateral transfer of seston, drift, and benthic macroinvertebrates were evaluate...
BACKGROUND Floods are the most common type of global natural disaster. Floods have a negative impact on mental health. Comprehensive evaluation and review of the literature are lacking. OBJECTIVE To systematically map and review available scientific evidence on mental health impacts of floods caused by extended periods of heavy rain in river catchments. METHODS We performed a systematic map...
[1] The Martian outflow channels were carved by the eruption of catastrophic floods from groundwater aquifers. This study models the time evolution of a typical outflow channel flood originating within a chaos region. The flood initiates when superlithostatic pore pressures within a confined aquifer lead to the propagation of hydrofractures through the confining cryosphere to the surface. The p...
At the beginning of new year in Iran) Nowruz 1398), the precipitation system has caused floods in the north, northwest, and south of the country. The system has affected 24 provinces, 213 cities, 209 districts, and 5900 villages in total. These rains have been occurring for several consecutive periods. The first period began on March 26, 2019 and involved Qom, Golestan, Ilam, and North Khorasan...
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