Effect of terrain, environment and infrastructure on potential CO 2 pipeline corridors: a case study from North-Central
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ORIGINAL ARTICLE
Effect of terrain, environment and infrastructure on potential CO2 pipeline corridors: a case study from North-Central USA Karthik Balaji1 1
•
Minou Rabiei1
Petroleum Engineering Department, University of North Dakota, Collaborative Energy Complex Room 113, 2844 Campus Rd Stop 8154, Grand Forks, ND 58202-8153, USA
Received: 22 July 2020 / Revised: 15 September 2020 / Accepted: 30 September 2020 The Joint Center on Global Change and Earth System Science of the University of Maryland and Beijing Normal University 2020
Abstract In this paper, a study has been undertaken with the objective to delineate the potential CO2 pipeline corridors through the north-central region of the USA including North Dakota, Montana, Wyoming, Utah and Colorado to enable the implementation of carbon capture storage and utilization projects. A combination of GIS along with analytical hierarchy process is used to identify regions with high potential for pipeline development. A total of 19 thematic information layers have been utilized to map the study area which reflect the effect of ecology, environment and existent infrastructure towards laying new CO2 pipeline networks. Weights are assigned to each class in the thematic maps based on their characteristics, capacity of building and maintaining pipelines and the potential environmental risk of CO2 pipelines from the literature. A tract suitability index is developed which identified Western North Dakota, central Wyoming and Western Montana as regions highly suitable for development of CO2 pipelines. The study reveals that 54.5% of the region of interest is suitable for pipeline construction while 15.39% of land is classified as either poor or infeasible candidate for locating CO2 pipelines. It is also revealed that pipeline right-of-way, water bodies and population centres have the most significant impact on future pipeline development. The results of the study are also varied to show the effect different factors could have on the potential CO2 corridors and are then correlated with existent pipeline in study area to check the validity of the resulting analysis. Keywords Carbon capture storage and utilization Analytic hierarchy process CO2 pipeline corridors & Karthik Balaji [email protected]
Suitability analysis Environmental impact Ecological impact
1 Introduction The energy and industrial sectors are one of the cornerstones of the modern society. However, these sectors have also been major contributors to the overall air pollution. There is a trend in these sectors to move towards more efficient systems to reduce emissions. These emission reduction mechanisms have been focused towards green house gases (GHG), which are identified as one of the leading causes of climate change (IPCC 2018). It was reported that 82% of the emissions in 2017 composed solely of CO2 (EIA 2020). CO2 emission levels have increased 61.22% globally from 521 Mt of CO2 in 1990 to 840 Mt in 2018 (EIA 2020). Various strategies have been used to reduce CO2 emissions in the ener
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