為了減輕港口空氣污染對港區周遭居民與環境所造成的負面影響，本研究以高雄港為研究主體，評估貨櫃船、散裝船、油輪、拖車頭與裝卸機具之排放量，並提出兩階段之港口排放清單減量策略。第一階段以《國家自訂預期貢獻》的標準為目標，希望在2030年將高雄港港口排放清單之排放量減低至2005年排放量的80%，而減量策略包含：船舶減速、停泊船隻使用岸電、50%的拖車頭使用液態天然氣(LNG)和50%的裝卸機具進行電氣化；第二階段則以《溫室氣體管理辦法》的標準為目標，希望在2050年將高雄港港口排放清單之排放量減低至2005年排放量的50%。而第二階段減量策略則包含：船舶減速、使用岸電、燃料替換、所有拖車頭使用液態天然氣(LNG)和所有裝卸機具進行電氣化。
研究結果發現，與2005年高雄港的排放量相比，實施第一階段減量策略可以分別降低高雄港港口排放清單(CO2、CH4、N2O、PM10、PM2.5、NOx和SOX)46%、26%、25%、77%、77%、76%和68%的排放量，所有氣體皆可達成第一階段減量的目標。此外，與2005年相比，第一階段減量策略可以減少11.1億美元的外部成本，降幅達到73%。繼續與2005年的排放量相比，實施第二階段減量策略可分別減少排放清單 (CO2、CH4、N2O、PM10、PM2.5、NOx和SOX) 57%、59%、53%、79%、79%、80%和69%的排放量，所有氣體皆可達成第二階段的減量目標。此外，與2005年相比，實施第二階段減量策略，可以減少11.6億美元的外部成本，降幅達到76%。
若以減少港口溫室氣體的排放為目標，本研究建議優先實施船舶燃料替換的策略，CO2、CH4和N2O可分別降低21%、21%和50%。如果是以降低懸浮微粒和有害氣體為目標，本研究則建議優先實施岸電(OPS)，PM10、PM2.5、NOx和SOX可分別降低75%、75%、72%和73%。

Abstract
In order to reduce the negative impact of emissions inventory on residents and the environment around the port, this study set Kaohsiung port as evaluative port to evaluate the emission that generated by vessels, truck tractors and cranes. Moreover, this study also drafted reduction strategies in two stages to improve the air quality of Port of Kaohsiung. First stage targets the standard of Intended Nationally Determined Contributions (INDC), hoping to decline the 20% of emissions in 2030 compared to 2005. The reduction strategies including reducing the speed and using the OPS on vessels；transferring the fuel on half of the cranes and truck tractors. Besides, second stage targets the standard of Greenhouse Gas Reduction Act, hoping to decline 50% of emissions in 2050 compared to 2005. The reduction strategies including vessel deceleration and OPS；transferring the fuel on all the vessels, cranes and truck tractors.
The study found that after implemented first stage reduction strategies, port emissions inventory (CO2, CH4, N2O, PM10, PM2.5, NOX and SOX) in 2030 would decrase 46%, 26%, 25%, 77%, 77%, 76% and 68%, respectively compared to 2005. Moreover, the external cost could decline 1.11 billion USD. Furthermore, implemented second stage reduction strategies could decrease port emissions inventory (CO2, CH4, N2O, PM10, PM2.5, NOX and SOX) 57%, 59%, 53%, 79%, 79%, 80% and 69%, respectively in 2050 compared to 2005. And the external cost could decline 1.16 billion USD.
If target to reduce greenhouse gases from the Port, this study suggests to implement fuel transfer on vessels because the emission of CO2, CH4 and N2O can be reduced by 21%、21% and 50%, respectively. However, if target to reduce PM and harmful gases, this study suggests to carry out OPS, which can reduce PM10, PM2.5, NOX and SOX by 75%, 75%, 72%, and 73%, respectively.

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