نتایج جستجو برای: including hydrology surface and underground

تعداد نتایج: 16945760  

2017
Shengwu Qin Zhongjun Ma Chuan-Dong Jiang Jun Lin Yiguo Xue Xinlei Shang Zhiqiang Li

Due to its unique sensitivity to hydrogen protons, magnetic resonance sounding (MRS) is the only geophysical method that directly detects water and can provide nondestructive information on subsurface aquifer properties. The relationship between the surface MRS signal and the location and characteristics of aquifers using large-coil (typically 50-150 m) sensors has been discussed based on forwa...

2018
Hyung-Jun Kim Dong Sop Rhee Chang Geun Song

Extreme rainfall causes surface runoff to flow towards lowlands and subterranean facilities, such as subway stations and buildings with underground spaces in densely packed urban areas. These facilities and areas are therefore vulnerable to catastrophic submergence. However, flood modeling of underground space has not yet been adequately studied because there are difficulties in reproducing the...

2001
Linlin Ge Chris Rizos Makoto Omura Shigeki Kobayashi

Ground subsidence monitoring is of paramount importance in relation to the safety and efficiency of underground mining operations. Moreover, in established coal fields in eastern Australia, it has become harder and harder to select underground minesites which can avoid major engineering structures both on the surface and underground (highways, bridges, buildings, abandoned workings of old under...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده فنی 1393

a problem of computer vision applications is to detect regions of interest under dif- ferent imaging conditions. the state-of-the-art maximally stable extremal regions (mser) detects affine covariant regions by applying all possible thresholds on the input image, and through three main steps including: 1) making a component tree of extremal regions’ evolution (enumeration), 2) obtaining region ...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده علوم انسانی 1390

abstract al- muntazam by ibn al -jawzi is one of the greatest the book ancient book of texts on history of islam in the 6th century.it is very important one;because of including rare reports which are not found any where.in addition to historical reports,his outlook , in which embodies information on mythologies, milal wa nihal (sects and creeds), geography, and political, social and religiou...

Journal: :IOP conference series 2021

Abstract In most cases, taking into account the local geology and hydrology, water entering system of humidified mobile irrigation from underground sources, such as depth artesian wells, has an initial temperature below 12 degrees. Low adversely affects growth absorption activity plant roots, life microorganisms, impairing supply plants with nutrients, mainly nitrogen. As a result, use aquifers...

Journal: :Current Biology 2017
Jasminca Behrmann-Godel Arne W. Nolte Joachim Kreiselmaier Roland Berka Jörg Freyhof

Subterranean biodiversity in Europe is spectacularly rich, with the Western Balkans being home to about 400 cave species, representing the highest number of species per area worldwide [1]. Nonetheless, cave fishes, which are the most commonly found vertebrates in underground habitats [2], have not been described from Europe so far [3]. Here, we report the first European record of a cave fish po...

Maryam Morakabatchian , Mehdi Mokhtari , Mohammad Reza Barzegar , Seyed Ali Almodaressi ,

Introduction: Optimization of waste collection systems can reduce waste management costs. In this study, optimization of the waste collection system of district 3 of Yazd municipality of Iran has been investigated using underground containers. Materials and Methods: In this research, after collecting information and performing field inspections, the statistical and raster information obtained ...

2015
Christian Massari Luca Brocca Tommaso Moramarco Simone Gabellani Clement Albergel Patricia De Rosnay Silvia Puca Okke Batelaan

The ever-increasing availability of new remote sensing and land surface model datasets opens new opportunities for hydrologists to improve flood forecasting systems. The current study investigates the performance of two operational soil moisture (SM) products provided by the “EUMETSATSatellite Application Facility in Support of Operational Hydrology and Water Management” (H-SAF, http://hsaf.met...

Excess pore pressure under seismic loadings has always been a main concern in geotechnical engineering practices. Undergoing the phenomenon in a soil can cause the effective stress and hence the shear strength of the soil to decrease considerably and large deformations happen in the area. Generally, increasing the pore pressure occurs under the undrained condition. If it can be formed the drain...

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