Shallow Subsurface
Geophysical Investigation For Shallow Subsurface Geotechnical Problems For Eastern Part Of 15Th May City, Cairo, Egypt.
... from subsurface structures such as fault zones, fractures and caves, clay layer which is the main sources for subsidence and cracks for the building and constructions in the study ...the shallow ...
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2-D Electrical Imaging In Delineating Shallow Subsurface Geology
... Two popular traditional DC electric techniques use to image the shallow subsurface are the vertical electric sounding (VES) and the electric profiling (EP) [9]. In practice, both methods commonly employ a ...
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Integrated Geophysical Investigations to Detect the Shallow Subsurface Settings at New Sohag City, Egypt
... A raw estimation of depth is obtained by multiplying the one-way travel time with the average propagation velocity of the GPR pulse inside the geological formation. The GPR method has been increasingly used for ...
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Shallow Subsurface Stratigraphy Inferred from the Use of Vertical Electrical Soundings (VES) Survey in Central Chihuahua, Mexico
... the shallow-subsurface with thicknesses (H) and apparent electrical re- sistivities (ρ) for each individual geoelectrical ...the shallow subsoil and/or salinity of the groundwater [32] [33] ...
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Calibration of Thermal Soil Properties in the Shallow Subsurface
... The ADaptive Hydrology (ADH) numerical model for heat and groundwater transport in the shallow subsurface is produced by the US Army Corps of Engineers [14,15,36,79]. ADH is a finite element code for ...
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Quantifying shallow subsurface water and heat dynamics using coupled hydrological thermal geophysical inversion
... Shallow subsurface moisture and temperature are two pri- mary variables that play key roles in hydrological and bio- geochemical processes in terrestrial ...the subsurface, including respiration of ...
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Assessment of shallow subsurface characterisation with non invasive geophysical methods at the intermediate hill slope scale
... Both maps in Fig. 7 show a comparable pattern of hill- slope partitioning into zones of similar subsurface condi- tions. Based on ecological classification, the study area is characterised by very moist to very ...
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The Effect of Shallow Subsurface Drains on Nitrate-N and Orthophosphorus Losses from Drained Agricultural Lands
... the shallow system was ...the shallow system compared to the deep system was reduced by 55% and the maximum increase in OP export was ...the shallow system (Plot 2) exported less or equal amounts of ...
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Robust Archaeal and Bacterial Communities Inhabit Shallow Subsurface Sediments of the Bonneville Salt Flats
... We identified taxonomic groups en- riched in each layer of the salt crust sediment and revealed that the upper gyp- sum sediment layer found immediately under the uppermost surface halite[r] ...
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Effect of shallow subsurface flow pathway networks on corn yield spatial variation under different weather and nutrient management
... the subsurface flow pathway network ( SFPN) on spa- tial variation in crop development and ...where subsurface preferential flow pathways were delineated, had higher NDVI values in the proximity of the ...
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Geochemical Characterization of Soils and Groundwater Occurring within the Shallow Subsurface Zones in parts of the Interfluves between Burhi Dihing and Noa Dihing rivers, Assam.
... the subsurface soil of this area and geochemical data may be of use in monitoring the changes occurring in the land and also will be helpful in the development project to be undertaken in ...
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Detecting the Shallow Subsurface Chinks below Buildings of District No 27 at 15th May City Using ERT, and SSR, Helwan, Egypt
... The study involves carrying out three main geophysical techniques integrately; the first technique embraces executing two- and three-dimension of electrical resistivity imaging survey in the form of eight parallel ...
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Surface wave attenuation in the shallow subsurface from multichannel–multishot seismic data: a new approach for detecting fractures and lithological discontinuities
... characterize subsurface heterogeneities from field data, we applied our proposed method to a dataset acquired near the MTL in western Shikoku Island, Japan ...
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2 D Resistivity Study: The Horizontal Resolution Improvement by Introducing the Enhancing Horizontal Resolution (EHR) Technique
... the shallow subsurface survey for maintaining the ...for shallow subsurface ...the shallow subsurface (mineral exploration, geology, engineering and environment) using ...
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Application of Geophysical Methods for Geotechnical Parameters Determination at New Borg El Arab Industrial City, Egypt
... the shallow subsurface structure conditions, the dynamic characteristics and geotechnical parameters of subsurface rocks using shallow seismic refraction profiling and electrical resistivity ...
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Passive soil heating using an inexpensive infrared mirror design – a proof of concept
... Comparing the one-mirror 1T values to meteorological variables indicated that the relative cooling in mirror plots was greatest during periods of high atmospheric moisture and following precipitation events when surface ...
9
McKay_unc_0153D_14855.pdf
... Guaymas Basin. Recovery of 16S rRNA gene clones related to Deep Seep 1 Deltaproteobacteria was greatest in the deepest section of the cool core with no microbial mat cover. Previously Deep Seep 1 clones have been ...
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Three Soil Water Potential Strategies to Schedule Irrigation Events using S3DI in Cotton
... and subsurface drip irrigation (SSDI) work well as an irrigation system with ...(shallow subsurface drip irrigation [S3DI]) can significantly reduce rodent damage (Sorensen et ...
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A three component hydrograph separation based on geochemical tracers in a tropical mountainous headwater catchment in northern Thailand
... cator for surface runoff dynamics, Ca 2+ as a groundwater marker. Both may deliver more information on runoff gener- ation if continuously monitored. Other major ions were not found to be useful for geochemical ...
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Effects of Drain Depth on Nitrogen Losses in Drainage in Shallow Water Table Soils
... determine whether shallow subsurface drains would reduce nitrate nitrogen losses in drainage effluent relative to deep subsurface drains. The field study was conducted over a two year period between ...
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