Knowledge of permafrost structure, with accumulations free natural gas and hydrates, is indispensable for coping spontaneous emission other problems related to exploration production drilling in Arctic petroleum provinces. The existing geophysical methods have different potentialities imaging the base geometry, vertical fluid conduits (permeable zones), taliks, pockets, hydrate continental area...

To investigate the route choice behavior of travelers under unexpected accidents, this study designs four different scenarios travelers’ experiments according to severity accidents. The bounded rationality characteristics travelers, such as time perception difference coefficient, psychological threshold effect and scale effect, are introduced into generalized random regret minimization (GRRM) m...