نتایج جستجو برای: deep geophysical profiles
تعداد نتایج: 368889 فیلتر نتایج به سال:
BACKGROUND AND PURPOSE In this study we compared risk factors, clinical features, and stroke recurrence in a large series of patients with large subcortical, cortical, or small deep infarcts. METHODS Patients with a transient or minor ischemic attack (modified Rankin Scale grade of < or =3) who had a single relevant supratentorial infarct of presumed noncardioembolic origin on CT were classif...
Paleoceanographic proxies indicate that the ocean state during the Last Glacial Maximum (LGM) differed from the modern ocean state. Depth profiles of ocean sediment pore fluid dO and [Cl] have been used to reconstruct the dO and salinity at the LGM. Here, it is investigated whether pore fluid profiles can constrain ocean dO and salinity at other times and, simultaneously, their ability to const...
With the majority of coal mines in uncovered and semi-covered strata now explored developed, most undiscovered coal-bearing are concealed. Compared with expensive drilling, deep targets such as concealed can be more efficiently cost-effectively discovered through geophysical methods. We designed an integrated exploration approach to detect Yangjiazhangzi (YJZZ) area. Large-scale magnetotelluric...
A Simple Algorithm for Large-Scale Mapping of Evergreen Forests in Tropical America, Africa and Asia
The areal extent and spatial distribution of evergreen forests in the tropical zones are important for the study of climate, carbon cycle and biodiversity. However, frequent cloud cover in the tropical regions makes mapping evergreen forests a challenging task. In this study we developed a simple and novel mapping algorithm that is based on the temporal profile analysis of Land Surface Water In...
The 2015 Mw8.3 Illapel, Chile earthquake is the latest megathrust event on the central segment of that subduction zone. It generated strong ground motions and a large (up to 11m runup) tsunami which prompted the evacuation of more than 1 million people in the first hours following the event. Observations during recent earthquakes suggest that these phenomena can be associated with rupture on di...
The investigated study area locates about 72 km from Jeddah City, Makkah District, Kingdom of Saudi Arabia. mainly aimed to define the most significant zones possible mineralization and outline their subsurface parameters (location strike) in southeast Jabal Al-Qashah. Several geophysical methods have been conducted carry out goal, including ground magnetic, self-potential (SP), induced polariz...
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