Aerial Gamma Ray Spectrometry, Magnetic and Remote Sensing Signatures corroborated by field measurements in Gabal Gasus and its surrounding, Central Eastern Desert, Egypt
Osama Ahmed Zaki Mohammed;
Abstract
In the proposed research work, the focusing study will be depend on; Airborne Gamma-Ray Spectrometry, Remote Sensing and Airborne Magnetic techniques for geological (lithological and structural) mapping and mineral exploration especially Uranium anomalous zones and environmental radiospectrometric monitoring of the area under consideration.
The study area is located in upper central eastern desert between latitude 26° 21¢ 22'' to 26° 36¢ 02'' N and longitude 33° 39¢ 22'' to 33° 57¢ 58'' E. The area is about 857 km2 south west of port safaga (Fig. 1.1).
Aero-Service Division, Western Geophysical Company of America in 1984 carried out airborne radiometric and magnetic survey for a vast area in the Eastern Desert of Egypt including the study area in order to providing data assist in identifying and evaluating minerals resources of the region. The survey was conducted along nearly parallel flight lines that were oriented in a NE-SW direction at an approximately 1.5 km space intervals, and tie lines perpendicular to the direction of flight lines with interval 10 km and at elevation 120 m (Fig. 1.2).
The ASTER Level_1B data which geometrically and radiometrically calibrated was produced at the USGS Earth Resources Observation and Science (EROS) data center. The study area located between two scenes.
Digital elevation models (DEMs) generated by the ASTER VNIR subsystem which includes a combination of nadir looking and backward looking bands.
A cloud-free level 1T (terrain-corrected) Landsat-8 image LC81740422013098LGN01 (path/row 174/42) of the study area was obtained from the US Geological Survey Earth Resources Observation and Science Center.
Application of the image display and enhancement technique available on image processing systems to the gridded geophysical data sets- offered an extremely powerful tool that enabled to overcome the defects of the conventional contour maps. Conversion of the digital multi-channel gamma-ray radiometric and magnetic survey data to a common image format offered the possibility to combine these data in different ways and to produce some color composite images. These images provided extremely useful synthesis of the data. Such images facilitated the spatial
The study area is located in upper central eastern desert between latitude 26° 21¢ 22'' to 26° 36¢ 02'' N and longitude 33° 39¢ 22'' to 33° 57¢ 58'' E. The area is about 857 km2 south west of port safaga (Fig. 1.1).
Aero-Service Division, Western Geophysical Company of America in 1984 carried out airborne radiometric and magnetic survey for a vast area in the Eastern Desert of Egypt including the study area in order to providing data assist in identifying and evaluating minerals resources of the region. The survey was conducted along nearly parallel flight lines that were oriented in a NE-SW direction at an approximately 1.5 km space intervals, and tie lines perpendicular to the direction of flight lines with interval 10 km and at elevation 120 m (Fig. 1.2).
The ASTER Level_1B data which geometrically and radiometrically calibrated was produced at the USGS Earth Resources Observation and Science (EROS) data center. The study area located between two scenes.
Digital elevation models (DEMs) generated by the ASTER VNIR subsystem which includes a combination of nadir looking and backward looking bands.
A cloud-free level 1T (terrain-corrected) Landsat-8 image LC81740422013098LGN01 (path/row 174/42) of the study area was obtained from the US Geological Survey Earth Resources Observation and Science Center.
Application of the image display and enhancement technique available on image processing systems to the gridded geophysical data sets- offered an extremely powerful tool that enabled to overcome the defects of the conventional contour maps. Conversion of the digital multi-channel gamma-ray radiometric and magnetic survey data to a common image format offered the possibility to combine these data in different ways and to produce some color composite images. These images provided extremely useful synthesis of the data. Such images facilitated the spatial
Other data
| Title | Aerial Gamma Ray Spectrometry, Magnetic and Remote Sensing Signatures corroborated by field measurements in Gabal Gasus and its surrounding, Central Eastern Desert, Egypt | Other Titles | الملامح الاشعاعية الطيفية الجوية ‘المغناطيسية والفضائية مدعمة بالقياسات الحقلية لمنطقة جبل جاسوس والاماكن المحيطة بوسط الصحراء الشرقية ‘مصر | Authors | Osama Ahmed Zaki Mohammed | Issue Date | 2017 |
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