
Noer el Hidayah IsmailUniversity of Malaya | UM
Noer el Hidayah Ismail
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Publications (40)
Using the scaling spectral method applied on high resolution aeromagnetic data, we mapped the magnetic basement and estimated the scaling exponents across various lithologies within the Middle Benue Trough of Northcentral Nigeria. We estimated a depth range of 1.8–6.3 km, with an average of 3.7 km to the basement beneath the Cretaceous sediments of...
The geothermal energy potentials of areas around the Akiri hot spring in the Middle Benue Trough of Central Nigeria was assessed using high-resolution aeromagnetic data. The data were processed and analyzed for Curie point depth (CPD) estimation using both the conventional centroid method and the fractal-based modified centroid method. The CPD esti...
Digital edge detector operations using magnetic derivatives in conjunction with spectra depth analysis were performed on high-resolution aeromagnetic signals to enhance the delineation and interpretation of depth, structural, and intrasedimentary features within the Middle Benue Trough (MBT) of North Central Nigeria, which could serve as a guide fo...
The source edge detection (SED) technique was applied to high resolution aeromagnetic data (HRAD) acquired from areas within the middle Benue sedimentary basin in northcentral Nigeria to delineate geological and magnetic source boundaries and map out shapes of intra-sedimentary features regardless of their depth. The International Geomagnetic Refer...
The source edge detection (SED) technique was applied to high resolution aeromagnetic data (HRAD) acquired from areas within the middle Benue sedimentary basin in northcentral Nigeria to delineate geological and magnetic source boundaries and map out shapes of intra-sedimentary features regardless of their depth. The International Geomagnetic Refer...
This paper describes the Ce anomaly observed in granitic soil from the humid, tropical area of Kuantan, Pahang, Peninsular Malaysia. Three granite rock soil profiles from Kuantan, were sampled and all samples were analysed for rare earth elements. All the profiles of the granitic soil samples show prominent positive Ce anomalies, with the Ce/Cerati...
Slope monitoring study using 2-D electrical resistivity imaging method was conducted on a slope where a massive landslide occurred in December 2008 in Bukit Antarabangsa, Kuala Lumpur, Malaysia. The main objective of the study is to determine the subsurface resistivity distribution of the study area and to map the risk/potential zone of landslide i...
Analyses and interpretation of magnetic and gravity fields data acquired
at Bukit Bunuh, Lenggong, Perak, Malaysia have been carried out in this study. The
objective is to identify the meteorite impact crater and possible rebound locations. This
study was instigated by an archaeological investigation carried out by the Centre for
Global Archaeo...
Existence of water flow at urban area will decrease the shear strength and increase hydraulic conductivity of soil which finally caused subsurface problems at this area. To avoid landslide, slope instability and disturbance of the ecosystem, good and detailed planning must be done when developing hilly area. The understanding about geological condi...
This study is carried out with the objective to determine the suitable resistivity inversion method for buried man-made structure (bunker). This study was carried out with two stages. The first stage is suitable array determination using 2-D computerized modeling method. One suitable array is used for the infield resistivity survey to determine the...
Soil's electrical properties are the parameters of natural and artificially created electrical fields in soil and are influenced by distribution of mobile electrical charges, mostly inorganic ions. We aim to determine practically-applicable relations with which to determine soil moisture content and void ratio based on electrical resistivity measur...
Infiltration of water into the soil mostly happens in area near to the ocean or area where rain occurred frequently. This paper explains about the water infiltration process that occurred vertically and horizontally at the subsurface layer. Infiltration act as an indicator of the soil’s ability to allow water movement into and through the soil prof...
Slope is a dynamic system of geo-environmental phenomena that related to the movement of the soil and rock masses. In Pulau Pinang, the occurrence of slope related phenomena such as landslide and rock fall has become a huge issue especially during rainy season as the government would have to invest more for the people safety. 2-D resistivity method...
This paper presents the research design survey of microgravity method in estimating the soil physics density in Penang, Malaysia. This study is conducted using Scintrex CG-5 Autograv. There are many corrections have been applied into the raw data. Some innovative approaches have been made in this study in order to obtain the optimum results. These...
Infiltration is the process by which precipitation or water soaks into subsurface soils and moves into rocks through cracks and pore spaces. This paper explains how the water infiltration will be identified using 2-D resistivity imaging and to differentiate the resistivity value between soil and saltwater. Padang Minden, in Universiti Sains Malaysi...
Magnetic method is to measure magnetic field of the subsurface at Bukit Bunuh, Lenggong, Perak (Malaysia) along North-Souh direction. The total of 6 survey lines was conducted along the Perak River. The spacing between stations for magnetic was 30 m while the separation between each line was 140 m. The magnetic data was processed by utilizing Micro...
The ancient region of Gandhara has produced evidence that unusual and interesting, both in terms of archeology and history. The main objective of this research is to find out about the early development of Hinduism in Gandhara, rebuild prehistory after Kushana period, and build a chronology of history through scientific excavation. Thus, the gradio...
A total of 420 magnetic stations with resolution of 3 m × 3 m, conducted at Great Water Tank Kashmir Smast. It also known as Kashmir Cave and is one of the most impressive and unique creations of nature in Pakistan. The main objectives of the survey are to map the magnetic anomalies of these sites and to explore the sites potential from the proto-h...
2-D resistivity method is to measure the apparent resistivity of the subsurface at Bukit Bunuh, Lenggong, Perak (Malaysia) along North-South (8 km), West-East (8 km), Northwest-Southeast (6.61 km) and Southwest-Northeast (1.84 km). The survey line was covered using Pole-dipole array with 5 m minimum electrode spacing. The purpose of the 2-D resisti...
Lenggong is believed to be meteorite impact craters in Malaysia. Geophysical investigations are best utilized to study subsurface characterization. Geophysical studies of subsurface crater structure may assists in studying of deformation and fracturing of target rocks. With the aim of determine and characterized the shallow subsurface geology in a...
2D resistivity is carried out to detect spread saturated zone and subsurface problems cause by the presence of underground river, which resulted from selected urban area at Selangor, Malaysia. Six 2D resistivity survey lines with minimum 5 m electrode spacing were executed using Pole-dipole array. Borehole was carried out at multiple locations in t...
The purpose of this study was to locate the geological contact using 2D resistivity method for Light Rail Transit (LRT) track alignment. The resistivity method was conducted on eight survey lines with the length of line 1 was 600m. The length of line 2, 3, 4, 5, 6, and 7 were 200m each while line 8 is 115m. All the survey used minimum electrode spa...
Earth’s magnetic fields are recorded in the rocks. Iron-bearing minerals contain in many rocks act as tiny magnets. From igneous rocks to sedimentary rocks, all rocks have a magnetic record. Magnetic
gradiometer survey was used to study the difference between magnetic field value of granite geology and sedimentary
geology.
Magnetic
gradiometer...
Geophysical survey in archaeology most often refers to the ground-based physical sensing methods used for archaeological mapping or imaging. Here, in Bukit Bunuh, Malaysia, Lenggong is expected to be meteorite impact craters. The study is to justify the features and identity of subsurface geological structures which is due to meteorite impact. A ge...
The magnetic data over Northwestern Perak, Bukit Bunuh were acquired on ground magnetic survey using Geometrics G-856 Proton Precision Magnetometer to study the subsurface of a possible meteorite impact crater area. The impact event can be deadliest and related with the archaeological study of migration of human out of the area. Magnetic data were...
Lenggong is believed to be meteorite impact craters in Malaysia. Geophysical studies of subsurface crater structure may assists in studying of deformation and fracturing of target rocks. With the aim of determine and characterized the shallow subsurface geology in a nondestructive manner, a geophysical investigation including magnetic and 2-D resis...
A shallow alluvial landscape was investigated with 2-D resistivity with EHR technique to determine the thickness of alluvium at the Lembah Bujang, Kedah (Malaysia). In this paper, resistivity technique will be developing in order to get detail penetration. By enhancing resistivity horizontal resolution to establish targets, most of the required inf...
Bukit Bunuh is situated in Lenggong valley, Perak (Malaysia) surrounded by mountainous terrain underlain by granitic formation of Bintang range. A few geophysical investigations are carried out to study the unrevealed impact crater for the area. Gravity is one of the methods applied to contour the variations of density distribution. A survey area o...
Geophysical methods have been used to investigate variations properties of materials especially in developing geotechnical subsurface exploration for highway design, construction and maintenance. The practicability of using geophysical techniques in mapping bedrock geology, overburden and nature of the subsurface characterization was tested along a...
Geophysical study was conducted to provide supported data for engineering and environmental works. The study was to determine depth of bedrock, overburden and near surface structures such as faults and cavities. 2-D resistivity method is to measure the apparent resistivity of the subsurface including effects of any or all of the following: soil typ...
2-D resistivity imaging method is one of the geophysical methods applied in subsurface study for meteorite impact at Bukit Bunuh, Perak. The study line was N-S direction, parallel to Sungai Perak and two mountain ranges, Bintang Range and Titiwangsa Range. A survey line of 8km was done using Pole-dipole array with 5m minimum electrode spacing. The...
Located parallel to Sungai Perak and two mountain ranges- the Bintang Range and the Titiwangsa Range, a few geophysical methods were applied to study the impact crater at Bukit Bunuh, Lenggong, Perak (Malaysia). Seismic refraction and drilling techniques were used. A survey line of 8 km was covered using sledgehammer as a source and the ABEM MK8 se...
Application of resistivity is usually used to determine depth to bedrock, nature of overburden materials and near surface structures such as sinkholes, cavities, voids, faults and boulders. Resistivity method is predominantly used in shallow subsurface investigations and it is nondestructive and non-invasive. In this study, 2D resistivity technique...
Spatial variability of the bedrock with reference to the ground surface is vital for many applications in geotechnical engineering to decide the type of foundation of a structure. A study was done within the development area of Mutiara Damansara utilising the seismic refraction method using ABEM MK8 24 channel seismograph. The geological features o...