There are considerable amounts of off shore oil/gas fields in the South China Sea(SCS),and for potential oil spill events in this area,dispersants may provide a reliable large-scale response when the preferable option...There are considerable amounts of off shore oil/gas fields in the South China Sea(SCS),and for potential oil spill events in this area,dispersants may provide a reliable large-scale response when the preferable option of recapturing the oil cannot be achieved.In this paper,effect of chemical dispersants on underwater oil transport is investigated with an underwater oil spill model.Since the model is an adaption of an existing one,we first calibrate it by comparing the model result with echo-sounder data that were observed during the“DeepSpill”experiment with crude oil/LNG(liquefied natural gas)discharge.Then,with the hydrodynamic data provided by an operational forecasting system and the drilling data obtained from off shore platforms in the SCS,we apply the model to a hypothetical spill case,and examine the difference in oil distribution in water column caused by subsea dispersant application.The model results can provide valuable reference for contingency plan makers to make an efficient emergency response to potential underwater oil spill accidents in the SCS.展开更多
基金Supported by the National Natural Science Foundation of China(Nos.41806111,41790473)the Open Foundation of Key Laboratory of Marine Spill Oil Identifi cation and Damage Assessment Technology,State Oceanic Administration(No.201608)+3 种基金the National Key Research and Development Plan(No.2016YFC1402304)the NSFC Innovative Group Grant(No.41421005)the NSFC-Shandong Joint Fund for Marine Science Research Centers(No.U1606402)the High Performance Computing Center at the Institute of Oceanology,Chinese Academy of Sciences。
文摘There are considerable amounts of off shore oil/gas fields in the South China Sea(SCS),and for potential oil spill events in this area,dispersants may provide a reliable large-scale response when the preferable option of recapturing the oil cannot be achieved.In this paper,effect of chemical dispersants on underwater oil transport is investigated with an underwater oil spill model.Since the model is an adaption of an existing one,we first calibrate it by comparing the model result with echo-sounder data that were observed during the“DeepSpill”experiment with crude oil/LNG(liquefied natural gas)discharge.Then,with the hydrodynamic data provided by an operational forecasting system and the drilling data obtained from off shore platforms in the SCS,we apply the model to a hypothetical spill case,and examine the difference in oil distribution in water column caused by subsea dispersant application.The model results can provide valuable reference for contingency plan makers to make an efficient emergency response to potential underwater oil spill accidents in the SCS.
