Showing 1 - 10 of 278
Uranium exploration once again is in a ''boom'' cycle. The energy needs of the OPEC and non-OPEC countries alike have created a demand for uranium which appears certain to increase in future years. In turn, this demand has stimulated a dramatic rise in both the price of uranium and the...
Persistent link: https://www.econbiz.de/10009436666
An important problem in pattern recognition is the effect of limited training samples on classification performance. When the ratio of the number of training samples to the dimensionality is small, parameter estimates become highly variable, causing the deterioration of classification...
Persistent link: https://www.econbiz.de/10009430479
This study has been carried out to analyze and report the river bank erosion hazard due to morphometric change of the Ganga River (also called Ganges in English) in the upstream of Farakka Barrage up to Rajmahal. Morphometric parameters, such as, Sinuosity, Braidedness Index, and percentage of...
Persistent link: https://www.econbiz.de/10010995616
Land subsidence is one of the frequent geological hazards worldwide. Urban areas and agricultural industries are the entities most affected by the consequences of land subsidence. The main objective of this study was to estimate the land subsidence (sinkhole) hazards at the Kinta Valley of...
Persistent link: https://www.econbiz.de/10010995626
The paper focuses on automatic extraction of building stock information for quantifying physical exposure and its vulnerability from High and Very High Resolution (VHR) optical satellite imagery. We use two case studies. In Sana’a (Yemen), we use automatic techniques to extract the building...
Persistent link: https://www.econbiz.de/10010995645
Earthquakes and other sudden onset natural disasters require quick and efficient emergency response. Earth observation (EO) data can make a valuable contribution to emergency response efforts if provided within hours and at the most days after the event. Mechanisms like the International Charter...
Persistent link: https://www.econbiz.de/10010995657
Satellite thermal infrared images contain valuable earthquake precursor information. Past studies concluded that such information appeared only a few days or dozens of days before an earthquake would occur. In our study, though, we observed that the time intervals between the thermal infrared...
Persistent link: https://www.econbiz.de/10010995672
Soil erosion is a serious environmental and production problem in China. In particular, natural conditions and human impact have made the Chinese Loess Plateau particularly prone to intense soil erosion area. To decrease the risk on environmental impacts, there is an increasing demand for sound,...
Persistent link: https://www.econbiz.de/10010995675
After the catastrophic failure of a red mud reservoir in Hungary, we performed a persistent scatterer radar interferometry (PSI) deformation analysis to investigate the stability and motion history of the entire area focusing on the dam walls of the collapsed structure. Our aim was to contribute...
Persistent link: https://www.econbiz.de/10010995745
The city of Bursa in Turkey is surrounded by major and secondary fault branches which splay from the North Anatolian Fault. Nonetheless, as their traces were not exactly known in the alluvial land of the Bursa basin, until this study, they were not plotted in the official active fault map of...
Persistent link: https://www.econbiz.de/10010995765