Recent Researches in Earth and Environmental Sciences: 2nd International Conference on Advanced Science and Engineering 2019 (ICOASE2019) Zakho-Duhok, Kurdistan Region—Iraq, April 2–4, 2019

Front Matter ....Pages i-viii
 Application of Computational Fluid Dynamics in the Simulation of Carbon Monoxide Distribution, a Case Study: Sayad Underground Tunnel in Tehran  (Hazhir Karimi, Borhan Riazi, Mokhtar Mohhammadi)....Pages 1-7
 Dendroclimatological Analysis of Pinus brutia Ten. Grown in Swaratoka, Kurdistan Region—Iraq  (Tariq K. Salih, Muzahim Saeed Younis, Salih T. Wali)....Pages 9-19
 Risk Assessment of Dangerous Natural Processes and Phenomena in Mining Operations  (Elena Kulikova)....Pages 21-33
 Hydro Geopolitics of the Tigris and Euphrates  (Nadhir Al-Ansari)....Pages 35-70
 A New Ecological Risk Assessment Method of Heavy Metals in Sediments and Soil  (Emad Al-Heety)....Pages 71-91
 Potential Ecological Risk Assessment of Heavy Metals in Iraqi Soils: Case Studies  (Emad Al-Heety, Wahran Saod)....Pages 93-100
 Using a Mix of Three Microbial Strains on Fermentation and Aerobic Stability of Grass Silage  (Vahel Jaladet Taha)....Pages 101-111
 Extracting Cellulose Fibers from Rice Husks to Prepare a pH Sensitive Hydrogel with Sodium Alginate  (Alarqam Zyaad Tareq, Mohammed Salim Hussien, Asaad Mohammed Mustafa, Ahmed Raoof Mahmood)....Pages 113-124
 Extraction of Hydrogen Sulfide from Water of Duhok Dam by Industrial Open Pilot Plant  (Salah A. Naman, Lazgin A. Jamil)....Pages 125-131
 Modeling the Effect of Reservoir Fluid Properties on Abundance of (H2S) Evolved from Oil Wells and Dissolved in Reservoir Fluids  (Ibtisam Kamal, Keyvan Amjadian, Namam Salih, Bryar Ahmad, Rebwar Haidar)....Pages 133-146
 Hydrocarbon Degradation of Oil Pipeline Blockage by Thermophilic Fungi Isolated from Tawke Field  (Yousif A. AlBany, Anwer N. Mamdoh, Mohammad I. Al-Berfkani)....Pages 147-158
 Gastrointestinal Larval Nematodes on Pastures Grazed by Small Ruminants of Duhok Area  (Adnan M. Abdullah Al-Rekani, Ronak Abdulaziz Meshahbaz, Abdulrehman Abdulhamid Yousif, Fatah Majeed Khalaf)....Pages 159-169