eprintid: 14383
rev_number: 10
eprint_status: archive
userid: 5
dir: disk0/00/01/43/83
datestamp: 2017-02-14 12:49:17
lastmod: 2021-08-27 17:28:33
status_changed: 2017-02-14 12:49:17
type: conference_item
metadata_visibility: show
item_issues_count: 1
creators_name: Höglund-Isaksson, L.
creators_id: 1786
creators_orcid: 0000-0001-7514-3135
title: Source attribution of methane emissions from global oil and gas production: results of bottom-up simulations over three decades
ispublished: pub
divisions: prog_air
abstract: Existing bottom-up emission inventories of historical methane and ethane emissions from global oil and gas systems do not well explain year-on-year variations estimated by top-down models from atmospheric measurements. This paper develops a bottom-up methodology which allows for country- and year specific source attribution of methane and ethane emissions from global oil and natural gas production for the period 1980 to 2012. The analysis rests on country-specific simulations of associated gas flows which are converted into methane and ethane emissions. The associated gas flows are constructed from country-specific information on oil and gas production and associated gas generation and recovery, and coupled with generic assumptions to bridge regional information gaps on the fractions of unrecovered associated gas that is vented instead of flared. Summing up emissions from associated gas flows with global estimates of emissions from unintended leakage and natural gas transmission and distribution, the resulting global emissions of methane and ethane from oil and gas systems are reasonably consistent with corresponding estimates from top-down models. Also revealed is that the fall of the Soviet Union in 1990 had a significant impact on methane and ethane emissions from global oil and gas systems.
date: 2016-04
date_type: published
official_url: http://www.geophysical-research-abstracts.net/
creators_browse_id: 128
full_text_status: public
pres_type: paper
pagerange: 3276
event_title: European Geosciences Union (EGU) General Assembly 2016
event_location: Vienna, Austria
event_dates: 17–22 April 2016
event_type: conference
refereed: TRUE
coversheets_dirty: FALSE
fp7_type: info:eu-repo/semantics/conferenceObject
citation:   Höglund-Isaksson, L. <https://pure.iiasa.ac.at/view/iiasa/128.html> ORCID: https://orcid.org/0000-0001-7514-3135 <https://orcid.org/0000-0001-7514-3135>  (2016).  Source attribution of methane emissions from global oil and gas production: results of bottom-up simulations over three decades.   In: European Geosciences Union (EGU) General Assembly 2016, 17–22 April 2016, Vienna, Austria.     
document_url: https://pure.iiasa.ac.at/id/eprint/14383/1/EGU2016-3276.pdf