Menu
Goldschmidt2018 gsa2018 2018 Ocean Sciences Meeting (OSM) egu2018

Just Accepted Manuscripts

-----------------------------------------------------------------------------------------------------------------------------------------------------
  • Sirwa Qader Smail Gardi. 2017. Environmental Impact Assessment of Erbil Dumpsite area - West of Erbil City-Iraqi Kurdistan Region. Journal of Tethys, Vol. 5, No. 3, 194-217.
Abstract: During the last few years, the concern about the protection of the environment has largely increased due to the contaminants mainly with anthropogenic origin and have affected and continue to threaten human resources especially air quality, surface soil and groundwater. Solid wastes are produced every day in urban societies as a result of human activities and in an attempt to dispose of these materials; man has carelessly polluted the environment. Erbil City has experienced an economic development, intense urbanization and change in consumption patterns that have resulted in an increase of solid waste generation. The study area lies within Erbil plain, about 10 km west of Erbil City, covering about 7km2 and located on a hill conjoined by two drainage valleys. The aim of the study is to provide prediction, detecting possible contamination and highlighting the repercussions of unprotected and uncontrolled waste disposal practices in Erbil dumpsite. The baseline environment has done which describes the existing environmental settings in the study area and is based upon the secondary information collected from the published sources, reconnaissance survey, primary socio-economic survey and environmental monitoring of air, noise, soil, ground water and surface water in the study area. Soil and water samples were collected nearby the Erbil dumpsite to assess the baseline data. The results of water sample analyzed are within the acceptable limits and they are suitable for drinking and irrigation. The results of soil sample analysis show that clays are of loam types with pH of strongly alkaline. The septic tank discharges valley has been contaminating the soil with two zones, the thickness of these zones is about (1.0- 1.5m) and (4m) show the impact of septic tanks to the near subsurface layers by its vicinity to the septic tank discharging valley. On the other hand, no adverse impact on ground water quality is anticipated in the present project. Generally, the Erbil waste dumpsite has negative impact on the geo-environmental parameters, social and cultural views, in addition to the direct impact on the human health and biodiversity. Evidence of lack of adherence to proper landfill structure, operation a management was recorded and recommendations were postulated for rectification. The Environmental Impacts Assessment (EIA) that was undertaking for this project has also postulated mitigate set simple measures. The assessment revealed lack of environmental awareness by public, workers, and personnel, which can be solved through regular environmental training programs.

Keywords: EIA; Dumpsite; Groundwater; Soil; Erbil; Iraq.

Full-Text

-----------------------------------------------------------------------------------------------------------------------------------------------------

  • Zahid Ali Khan, Ram Chandra Tewari. 2017. Indus-Yarlung-Tsangpo Suture Zone Concept- A Second Opinion. Journal of Tethys, Vol. 5, No. 3, 218-239.

It is believed that Greater India migrated from the southern hemisphere, collided with Gondwanaland, Angaraland and Cathaysia, thereby closing an intervening oceanic Tethys along the Indus-Yarlung-Tsangpo Suture Zone (IYTSZ).The suture zone is placed along the Chaman Fault in the Baluchistan-Afghanistan area in the west, and the Indus-Yarlung-Tsangpo in the north, whereas along the east from Thailand to the western Myanmar, identified as different features almost arbitrarily by various authors. However, the Chaman Fault shows younging southward with a number of breaks in the Baluchistan region and abruptly stops short of the coast, taking a sharp turn to the west. More important, the Indus- Yarlung-Tsangpo Suture Zone terminates at Rinbun to the west-southwest of Lhasa, and passes into Jurassic slates/ granites. The extensive Permo-Carboniferous fluvio-glacial deposits and the presence of Gondwana flora and fauna on either side of the Indus-Yarlung-Tsangpo suture suggest continental continuity from Peninsular India to northern Tibet in the Paleozoic. There was also a continuity of climatic zones from the Indian to the Tibetan side of the platform, atleast from Proterozoic to the Quaternary period. The presence of Triassic Gondwana vertebrates in China, Indochina, Mongolia, and Siberia supports free two-way land routes between India and aforesaid landmasses even in Mesozoic. Therefore, various geological arguments based on observed field data do not support the existence of Indus-Yarlung-Tsangpo Suture Zone as a suture zone of modern plate tectonic concept. Instead, it is better explained as a rift valley formed more than 100 Ma prior to supposed collision because the ophiolite emplacements confined to the north and south by steeply dipping faults.

Keywords: Indus-Yarlung-Tsangpo Suture; Plate Tectonics; Chaman Fault; Rift Valley; Gondwanaland.

Full-Text

-----------------------------------------------------------------------------------------------------------------------------------------------------