Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1088/1748-9326/aaae71 |
Reply to Oreska et al 'Comment on Geoengineering with seagrasses: is credit due where credit is given?' | |
Johannessen, Sophia C.; Macdonald, Robie W. | |
2018-03-01 | |
发表期刊 | ENVIRONMENTAL RESEARCH LETTERS
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ISSN | 1748-9326 |
出版年 | 2018 |
卷号 | 13期号:3 |
文章类型 | Editorial Material |
语种 | 英语 |
国家 | Canada |
英文摘要 | In their comment on the review paper, 'Geoengineering with seagrasses: is credit due where credit is given?,' Oreska et al 2018 state that some of the concerns raised in the review 'warrant serious consideration by the seagrass research community,' but they argue that these concerns are either not relevant to the Voluntary Carbon Standard protocol, VM0033, or are already addressed by specific provisions in the protocol. The VM0033 protocol is a strong and detailed document that includes much of merit, but the methodology for determining carbon sequestration in sediment is flawed, both in the carbon stock change method and in the carbon burial method. The main problem with the carbon stock change method is that the labile carbon in the surface layer of sediments is vulnerable to remineralization and resuspension; it is not sequestered on the 100 year timescale required for carbon credits. The problem with the carbon burial method is chiefly in its application. The protocol does not explain how to apply Pb-210-dating to a core, leaving project proponents to apply the inappropriate methods frequently reported in the blue carbon literature, which result in overestimated sediment accumulation rates. Finally, the default emission factors permitted by the protocol are based on literature values that are themselves too high. All of these problems can be addressed, which should result in clearer, more rigorous guidelines for awarding carbon credits for the protection or restoration of seagrass meadows. |
英文关键词 | blue carbon carbon credits seagrass meadows sediment cores carbon burial |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000434846700002 |
WOS关键词 | SEDIMENTATION-RATES ; CARBON ; BIOTURBATION ; ACCUMULATION |
WOS类目 | Environmental Sciences ; Meteorology & Atmospheric Sciences |
WOS研究方向 | Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/34349 |
专题 | 气候变化 |
作者单位 | Inst Ocean Sci, Fisheries & Oceans Canada, 9860 W Saanich Rd,POB 6000, Sidney, BC V8L 4B2, Canada |
推荐引用方式 GB/T 7714 | Johannessen, Sophia C.,Macdonald, Robie W.. Reply to Oreska et al 'Comment on Geoengineering with seagrasses: is credit due where credit is given?'[J]. ENVIRONMENTAL RESEARCH LETTERS,2018,13(3). |
APA | Johannessen, Sophia C.,&Macdonald, Robie W..(2018).Reply to Oreska et al 'Comment on Geoengineering with seagrasses: is credit due where credit is given?'.ENVIRONMENTAL RESEARCH LETTERS,13(3). |
MLA | Johannessen, Sophia C.,et al."Reply to Oreska et al 'Comment on Geoengineering with seagrasses: is credit due where credit is given?'".ENVIRONMENTAL RESEARCH LETTERS 13.3(2018). |
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