Department of Earth & Environmental Science: Recent submissions

Now showing items 1-20 of 41

Comparative analyses of seismic site conditions and microzonation of the major cities in Gangwon Province, Korea

Abid Ali; Ki Young Kim (Bahria University Islamabad Campus, 2018)

To determine the seismic site conditions and microzonation of Chuncheon, Wonju and Gangneung cities in the Gangwon Province, Korea, the dispersion curves of Rayleigh waves were derived at 313 sites by the extended spatial ...
Enhancement of ciprofloxacin sorption on chitosan/biochar hydrogel beads

Muhammad Zaheer Afzal; Xue-Fei Sun; Jun Liu; Chao Song; Shu-Guang Wang; Asif Javed (Bahria University Islamabad Campus, 2018)

Biochar is effective in water treatment but it is hard to retrieve or separate biochar powder from aqueous solutions. In this study, the removal of ciprofloxacin fromaqueous solutionswas investigated using chitosan/biochar ...
Occupational exposure and consequent health impairments due to potential incidental nanoparticles in leather tanneries: An evidential appraisal of south Asian developing countries

Fiza Sarwara; Riffat Naseem Malika; Chung Wai Chowb; Khan Alam (Bahria University Islamabad Campus, 2018)

The incidental nanoparticles' (INPs) emission at work and the consequent health impairments is a burning issue of occupational toxicology. The present study is a thorough review of available literature marking an assortment ...
Determination of Total Organic Carbon (TOC) of Chichali Formation through well logs. Case study: Chanda oil & gas fields in KP, Pakistan

Syed Mamoon Siyar; Muhammad Zafar; Syed Anjum Shah; Tahseenullah Khan; Urooj Shakir; Waqar Ahmad (Bahria University Islamabad Campus, 2018)

Total organic carbon (TOC) present in source rocks can significantly affect the response of various wireline logs. This paper discusses the well logs anomalies caused by TOC in Chichali Formation of Cretaceous age. The ...
Total organic carbon content and total porosity estimation in unconventional resource play using integrated approach through seismic inversion and well logs analysis within the Talhar Shale, Pakistan

Muhammad Fahad Mahmood; Zulfiqar Ahmad; Muhsan Ehsan (Bahria University Islamabad Campus, 2018)

Around the globe, the organic rich shale has become an increasingly important hydrocarbon resource due to the rapid depletion of conventional hydrocarbon reservoirs. The successful exploration and production schemes for ...
Morphological, biochemical and molecular characterization of culturable epilithic and endolithic bacteria from rocks of Ayubia (Murree), lower Himalaya, Pakistan

Imran Khan; Wasim Sajjad (Bahria University Islamabad Campus, 2018)

Murree and Ayubia hills are parts of the lower Himalaya Mountain range in Pakistan. The rocks of these hills are younger and mostly limestone in nature. In this study, geomicrobiological investigation of the selected samples ...
Weed control measures for controlling the density of Canada thistle (Cirsium arvense (L.) scop. In wheat (Triticum aestivum L.)

Muhammad Ramzan Anser; Ijaz Ahmad; Sabir Hussain Shah; Muhammad Khubaib Abuzar; Muhammad Sohail Raza; Muhammad Azim Malik (Bahria University Islamabad Campus, 2018)

Canada thistle [Cirsium arvense (L.) Scop.] is a major weed in semi-arid areas of Punjab, Pakistan. studies were conducted during 2010-11 and 2011-12 at University Research Farm, Chakwal road, Rawalpindi to study Canada ...
Low-18O mantle-derived magma in Panjal Traps overprinted by hydrothermal alteration and Himalayan UHP metamorphism: revealed by SIMS zircon analysis

Hafiz Ur Rehman; Kouki Kitajima; John W. Valley; Sun-Lin Chung; Hao-Yang Lee; Hiroshi Yamamoto; Tahseenullah Khan (Bahria University Islamabad Campus, 2018)

We report two generations of low-18O zircons from the Himalayan eclogites and their host gneisses. In situ SIMS 18O analyses on single zircon crystals (with known age and Hf isotope ratios) from two populations of ...
Petrology of calc-alkaline/adakitic basement hosting A-type Neoproterozoic granites of the Malani igneous suite in Nagar Parkar, SE Sindh, Pakistan

M. Qasim Jan; Amanullah Laghari; M. Asif Khan; M. Hassan Agheem; Tahseenullah Khan (Bahria University Islamabad Campus, 2018)

The Nagar Parkar area contains three distinct groups of rocks, from oldest to youngest, (1) basement rocks ranging in composition from mafic to (quartz)diorite, tonalite, granite, and younger granodiorite, (2) granite ...
Ozone Disinfection Efficiency for Indicator Microorganisms at Different pH Values and Temperatures

Asma Jamila; Shaukat Farooqb; Imran Hashmib (Bahria University Islamabad Campus, 2017)

Disinfection efficiency of ozone was determined in various types of water at different pH (6, 7 and 8) values and temperatures (15, 25 and 35 °C) for E. coli and Salmonella. Three different applied ozone concentrations ...
Probabilistic neural network approach for porosity prediction in Balkassar area: a case study

Muhammad Fahad Mahmood; Urooj Shakir; Muhammad Khubaib Abuzar; Mumtaz Ali Khan; NimatUllah Khattak; Hafiz Shahid Hussain; Abdul Rehman Tahir (Bahria University Islamabad Campus, 2017)

This study is intended to build a stratigraphic architecture through demarcation of potentially prospective zones through porosity prediction using the Artificial Neural Network. Artificial Neural Network has gained a ...
Comparative Analysis of Water Quantity and Quality in Relation to Vegetation Cover in Himalayan Moist Temperate Forests of Galliyat

Asif Javed; Adnan Saleem Khan; Anwar Qadir; Salman Khan; Salim Shehzad (Bahria University Islamabad Campus, 2017)

The aim of this work was to study the impact of deforestation on water quality and quantity in and around Ayubia National Park-Galliyat, Pakistan. Streams from three vegetation zones (HDZ high density vegetation zones, MDZ ...
The case of geo thermal energy from productive, depleted and abandoned oil and gas wells

Humera Farah (Bahria University Islamabad Campus, 2017)
Causes and effects of temporal groundwater level change in the alluvial aquifer of Dera Ismail Khan area, Pakistan

Anwar Qadir; Zulfiqar Ahmad; Tahseenullah Khan; Muhammad Zafar (Bahria University Islamabad Campus, 2014)

The Chashma Right Bank Canal (CRBC) Stage-II Command Area lies in the Dera Ismail Khan District of Lower Indus Basin. The Indus River and tube wells were used in the past for irrigation purpose, which are now changed to ...
Oxygen isotopes in Indian Plate eclogites (Kaghan Valley, Pakistan): Negative δ18O values from a high latitude protolith reset by Himalayan metamorphism

Hafiz Ur Rehmana; Ryoji Tanaka; Patrick J. O'Brien; Katsura Kobayashi; Tatsuki Tsujimori; Eizo Nakamura; Hiroshi Yamamoto; Tahseenullah Khan; Yoshiyuki Kaneko (Bahria University Islamabad Campus, 2014)

Oxygen isotope compositions are reported for the first time for the Himalayan metabasites of the Kaghan Valley, Pakistan in this study. The highest metamorphic grades are recorded in the north of the valley, near the India– ...
Origin of the mafic dykes in Nagarparker area of Pakistan

Tahseenullah Khan; Mamoru Murata; Muhammad Zafar; Hafiz Ur Rehman (Bahria University Islamabad Campus, 2014)

The Nagarparker area of Pakistan comprises igneous and metamorphic rocks dissected by coarse-grained gabbro dykes and medium- to fine-grained dolerites at Karai, Dhedvero, and the central part of the area. The gabbro dykes ...
Physicochemical and chemical quality of mailsi city groundwater

S Abbas; Mashiatullah, A. Mashiatullah; Asif Javed; Sahrish Saleem (Bahria University Islamabad Campus, 2014)

Quality of groundwater samples in Mailsi city of district Vehari was assessed using physico-chemical and chemical parameters. Twenty seven (27) groundwater samples were collected for physico-chemical and major ion analysis. ...
Causes and effects of temporal groundwater level change in the alluvial aquifer of Dera Ismail Khan area, Pakistan

Anwar Qadir; Zulfiqar Ahmad; Tahseenullah Khan; Muhammad Zafar (Bahria University Islamabad Campus, 2014)

The Chashma Right Bank Canal (CRBC) Stage-II Command Area lies in the Dera Ismail Khan District of Lower Indus Basin. The Indus River and tube wells were used in the past for irrigation purpose, which are now changed to ...
Photocatalytic Degradation of 2, 4-D and Transition of Endocrine Disruptive Activity Using Transcriptome Based Bioassay in Zebrafish Embryos

Asma Jamil; A. Saeed; I. Hashmi; H. R. Habibi; L. Yu; G. Achari (Bahria University Islamabad Campus, 2015)

2, 4-Dichlorophenoxyacetic acid (2, 4-D) is one of the most widely used halogenated agricultural chemicals around the world and a well known endocrine disrupting chemical (EDC). TiO2 based photocatalytic degradation of 2, ...
Divergent Gas-exchange, Physiological, Isotopic and Compositional Responses of Two Wood-crop Species to Water Deficit: Ziziphus nummularia and Corymbia citriodora

Tariq Mahmood; Ameena Saeed; Aansa Rukya Saleem; Hina Rasool; Matthew Haworth; Mauro Centritto (Bahria University Islamabad Campus, 2015)

We assessed the response to drought in Corymbia citriodora, a fast growing wood-crop with high levels of water-loss, and Ziziphus nummularia, a tree species that occurs in arid areas of Asia and a potential alternative ...

Now showing items 1-20 of 41

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