干旱区生态环境知识资源中心(Arid): Anthropogenic CO(2)emissions assessment of Nile Delta using XCO(2)and SIF data from OCO-2 satellite

Arid

DOI	10.1088/1748-9326/ab9cfe
	Anthropogenic CO(2)emissions assessment of Nile Delta using XCO(2)and SIF data from OCO-2 satellite
	Shekhar, Ankit; Chen, Jia; Paetzold, Johannes C.; Dietrich, Florian; Zhao, Xinxu; Bhattacharjee, Shrutilipi; Ruisinger, Veronika; Wofsy, Steven C.
通讯作者	Shekhar, A (corresponding author), Tech Univ Munich, Professorship Environm Sensing & Modeling, Munich, Germany.
来源期刊	ENVIRONMENTAL RESEARCH LETTERS
ISSN	1748-9326
出版年	2020
卷号	15 期号:9
英文摘要	We estimate CO(2)emissions from the Nile Delta region of Egypt, using over five years of column-averaged CO(2)dry air mole fraction (XCO2) data from the NASA's OCO-2 satellite. The Nile Delta has significant anthropogenic emissions of CO(2)from urban areas and irrigated farming. It is surrounded by the Sahara desert and the Mediterranean Sea, minimizing the confounding influence of CO(2)sources in surrounding areas. We compiled the observed spatial and temporal variations of XCO(2)in the Nile Delta region (XCO2,del), and found that values for XCO(2,del)were on average 1.1 ppm higher than XCO2,des(mean XCO(2)in desert area). We modelled the expected enhancements of XCO(2)over the Nile Delta based on two global CO(2)emission inventories, EDGAR and ODIAC. Modelled XCO(2)enhancements were much lower, indicating underestimation of CO(2)emissions in the Nile Delta region by mean factors of 4.5 and 3.4 for EDGAR and ODIAC, respectively. Furthermore, we captured a seasonal pattern of XCO(2)enhancement (Delta XCO2), with significantly lower Delta XCO(2)during the summer agriculture season in comparison to other seasons. Additionally, we used solar-induced fluorescence (SIF) measurement from OCO-2 to understand how the CO(2)emissions are related to agricultural activities. Finally, we estimated an average emission of CO(2)from the Nile Delta from 2014-2019 of 470 Mt CO2/year, about 1% of global anthropogenic emissions, which is significantly more than estimated hitherto.
英文关键词	agriculture urban STILT EDGAR ODIAC XCO2
类型	Article
语种	英语
开放获取类型	Green Published, gold
收录类别	SCI-E
WOS记录号	WOS:000570723800001
WOS关键词	ORBITING CARBON OBSERVATORY-2 ; GREENHOUSE-GAS EMISSIONS ; CO2 RETRIEVAL ALGORITHM ; METHANE EMISSIONS ; ATMOSPHERIC OBSERVATIONS ; DIOXIDE EMISSIONS ; RIVER DELTA ; URBANIZATION ; ENHANCEMENTS ; PERFORMANCE
WOS类目	Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向	Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/326362
作者单位	[Shekhar, Ankit; Chen, Jia; Dietrich, Florian; Zhao, Xinxu; Bhattacharjee, Shrutilipi; Ruisinger, Veronika] Tech Univ Munich, Professorship Environm Sensing & Modeling, Munich, Germany; [Paetzold, Johannes C.] Tech Univ Munich, Chair Comp Aided Med Procedures & Augmented Real, Munich, Germany; [Wofsy, Steven C.] Harvard Univ, Dept Earth & Planetary Sci, 20 Oxford St, Cambridge, MA 02138 USA; [Wofsy, Steven C.] Harvard Univ, Sch Engn & Appl Sci, Cambridge, MA 02138 USA; [Shekhar, Ankit] Swiss Fed Inst Technol, Dept Environm Syst Sci, Zurich, Switzerland
推荐引用方式 GB/T 7714	Shekhar, Ankit,Chen, Jia,Paetzold, Johannes C.,et al. Anthropogenic CO(2)emissions assessment of Nile Delta using XCO(2)and SIF data from OCO-2 satellite[J],2020,15(9).
APA	Shekhar, Ankit.,Chen, Jia.,Paetzold, Johannes C..,Dietrich, Florian.,Zhao, Xinxu.,...&Wofsy, Steven C..(2020).Anthropogenic CO(2)emissions assessment of Nile Delta using XCO(2)and SIF data from OCO-2 satellite.ENVIRONMENTAL RESEARCH LETTERS,15(9).
MLA	Shekhar, Ankit,et al."Anthropogenic CO(2)emissions assessment of Nile Delta using XCO(2)and SIF data from OCO-2 satellite".ENVIRONMENTAL RESEARCH LETTERS 15.9(2020).