نتایج جستجو برای: introductionidentification of active tectonic areas

تعداد نتایج: 21202986  

2006
K. Ş. Kavak

Earth observation phenomena include monitoring of disasters originated from tectonic movements. Detecting land cover and climatic changes, the studies of atmosphere, biodiversity, oceans, ecosystems and land management processes are the other important application areas of earth science and environmental earth observation programs. Nowadays, remote sensing satellites are also vital important de...

2017
Fátima Viveiros Márcio Marcos Carlos Faria João L. Gaspar Teresa Ferreira Catarina Silva

The Azores archipelago is composed of nine volcanic islands located at the triple junction between the North American, Eurasian, and Nubian plates. Nowadays the volcanic activity in the archipelago is characterized by the presence of secondary manifestations of volcanism, such as hydrothermal fumaroles, thermal and cold CO2-rich springs as well as soil diffuse degassing areas, and low magnitude...

2016
Dawei Lv Xiaoyan Wu Zengxue Li Tingting Feng Haiyan Liu Dongdong Wang Luyang Zhao

The association of coal and oil shale had been a hot topic for a long time. Various types of association of coal and oil shale can be found in one basin, for instance, the coal can act as the roof or floor or interlayer of the oil shale, etc. The most crucial factor for the formation of oil shale is stratification and seasonal blooming of lower plankton, while the final formation of the coal st...

1999
D. W. Burbank N. Pinter

The last decade has witnessed a resurrection of historical decadal geodetic rates provide a reasonable proxy for the long-term rates of plate motions (Donnellan et al., 1993; concepts and controversies concerning the evolution of landscapes in active tectonic regimes. New insights into Abdrakhmatov et al., 1996). If true, geodetic measurements provide an accurate snapshot of the tectonic forcin...

2003
Alexander T Basilevsky James W Head

Venus is a planet that is similar to Earth in terms of some important planetary parameters (size, mass, position in the solar system, presence of atmosphere) and different in terms of other, equally important ones (absence of an intrinsic magnetic field, large atmospheric mass, carbon dioxide composition of the atmosphere, lack of water, very high surface pressure and temperature). The surface ...

2007
Jonathan H. Tomkin

[1] Climate change indirectly alters the distribution of tectonic uplift at active orogens by modifying the action of surface processes, which in turn alters mountain topography. The impact of alpine glaciation on tectonic activity is explored here. The predictions of previous analytical, critical wedge models are compared with the output of a numerical model that explicitly couples rock uplift...

ژورنال: کواترنری ایران 2018
Aali, Abolfazl , Pollard, Mark , Vahdati nasab, Hamed,

Modern plate tectonic theory, the development of earthquake prediction and the mitigation of earthquake hazards are based on the study of earthquakes during the twentieth century. Investigation of earthquakes over a much longer period, although in no way invalidating the global importance of plate tectonics, shows that patterns of seismic activity do change with time and that areas of intense s...

2017
Hagar Hecht Takashi Oguchi

Understanding the mechanisms and controlling factors of erosion rates is essential in order to sufficiently comprehend bigger processes such as landscape evolution. For decades, scientists have been researching erosion rates where one of the main objectives was to find the controlling factors. A variety of parameters have been suggested ranging from climate-related, basin morphometry and the te...

Abedini, Moosa, madadi, aghil, Nouhi, Mohammad,

Aims & Backgrounds: Alluvial fans are one of the most prominent phenomena in fluvial geomorphology, which are found mostly on the mountain front. These landforms are affected by climate change and tectonic activity and record their effects. Therefore, we can use them to understand climate change and tectonic activities. The aim of this study was to determine the tectonic activity in the northe...

Journal: :جغرافیا و مخاطرات محیطی 0
زهرا گوهری محمد تاج بخش محبوبه سربازی سید ناصر نعیمی قصابیان

1. introduction the analysis of drainage networks is a powerful tool to detect recent tectonic activity and uplift, as river channels are very sensitive to changes in the parameters that control their shapes and. climate changes, tectonics and lithology affect river equilibrium conditions and hence, river geometry. a river is in dynamic equilibrium when erosion keeps pace with sedimentation and...

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