Browsing by Author "Ashraf, Muhammad Aqeel"
Now showing items 1-8 of 8
-
An algorithm for generation of DEMs from contour lines considering geomorphic features
Rui, Xiao-Ping; Yu, Xue-Tao; Lu, Jin; Ashraf, Muhammad Aqeel; Song, Xian-FengGeomorphic information is omitted from many existing methods of generating gridded digital elevation models (DEMs) from contour lines, resulting in significant errors during interpolation. Here, we present an advanced ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
Development of Tropical Lowland Peat Forest Phasic Community Zonations in the Kota Samarahan-Asajaya area, West Sarawak, Malaysia
Mohamad, Mohamad Tarmizi; Fatt, Ng Tham; Konjing, Zainey; Ashraf, Muhammad AqeelLogging observations of auger profiles (Tarmizi, 2014) indicate a vertical, downwards, general decrease of peat humification levels with depth in a tropical lowland peat forest in the Kota Samarahan-Asajaya area in the ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
Fractal characteristics of reservoir structural fracture: a case study of Xujiahe Formation in central Yuanba area, Sichuan Basin
Fan, Cunhui; Qin, Qirong; Hu, Dongfeng; Wang, Xiaolei; Zhu, MengYue; Huang, Wei; Li, Yuxi; Ashraf, Muhammad AqeelThe reservoir structural fractures have excellent fractal characteristics, as well as self-similarities. Based on the fractal theory, the surface fractal characteristics of faults and the fractal characteristic of fractures ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
Geochemical Characteristics and Paleoenvironmental Signi cance of the Ordovician Paleokarst Reservoir in the Maigaiti Slope of Tarim Basin
Qingyu, Zhang; Bin, Liang; Fengrui, Qin; Jianwen, Cao; Yong, Dan; Yanzhen, Hao; Jingrui, Li; Ashraf, Muhammad AqeelThe Ordovician carbonatites of the Maigaiti slope have formed the conditions for the development of large oil and gas fields with karst reservoirs. This study systematically analyzed the isotopic characteristics of carbon, ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
Geological Characteristics of Unconventional Gas in Coal Measure of Upper Paleozoic Coal Measures in Ordos Basin, China
He, Jinxian; Zhang, Xiaoli; Ma, Li; Wu, Hongchen; Ashraf, Muhammad AqeelThere are enormous resources of unconventional gas in coal measures in Ordos Basin. In order to study the geological characteristics of unconventional gas in coal Measures in Ordos Basin, we analyzed and summarized the ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
Optimization of land use at Mt. Yuelu scenic area: an analysis using the ecological green equivalent
Chen, Xi; Wang, Ke-lin; Zhou, Wei-jun; Li, Hong-bin; Ashraf, Muhammad AqeelThis study applies the ecological green equivalent approach to evaluating the land use structure of Mt. Yuelu scenic area in Hunan Province, China. A mathematical model is established based on land use and land cover data, ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
Prediction of Hub Height Winds over the Plateau Terrain by using WRF /YSU/Noah and Statistical Forecast
Deng, Hua; Li, Yan; Zhang, Yingchao; Zhou, Hou; Cheng, Peipei; Wang, Jia; Ashraf, Muhammad AqeelThe forecast of wind energy is closely linked to the prediction of the variation of winds over very short time intervals. Four wind towers located in the Inner Mongolia were selected to understand wind power resources in ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
Study of distribution of remaining oil in West Block of the Third District in North Saertu
Wei, Huabin; Zhu, Huanlai; Shi, Shangming; Yang, Xinliang; Zhang, Jingjun; Wang, Jian; Ashraf, Muhammad AqeelIdentifying remaining oil distribution is an essential study at the Third District in North Saertu of the West Block in Daqing Oilfield. This field is known as a flooding fine potential tapping demonstration zone, characterized ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal.