全球智库信息集成服务系统(G2TT): The value of determining global land cover for assessing climate change mitigation options.

G2TT

来源类型	Book Section
DOI	10.1007/978-94-007-4839-2_8
	The value of determining global land cover for assessing climate change mitigation options.
	Fritz S; Fuss S; Havlik P; Szolgayova J; McCallum I; Obersteiner M; See L; Laxminarayan, R; Macauley, MK
发表日期	2012
出处	The Value of Information: Methodological Frontiers and New Applications in Environment and Health. Eds. Laxminarayan, R & Macauley, MK , Dordrecht: Springer. DOI: 10.1007/978-94-007-4839-2_8 .
出版年	2012
语种	英语
摘要	Land cover maps provide critical input data for global models of land use. Urgent questions exist, such as how much land is available for the expansion of agriculture to combat food insecurity, how muchland is available for afforestation projects, and whether reducing emissions from deforestation and forest degradation (REDD) is more cost-effective than carbon capture and sequestration. Such questions can be answered only with reliable maps of land cover. However, global land cover datasets currently differ drastically in terms of the spatial extent of cropland distributions. One of the data layers that difer is cropland area. In this study, we evaluate how models designed to help in policy design can be used to quantify the differences in implementation costs. By examining these cost differences, we are able to quantify the benefits, which equal the loss from making a decision under imperfect information. Taking the specific example of choosing between REDD and carbon capture and storage under uncertainty about the available cropland area, we have developed a methodology on how the value derived from reducing uncertainty can be assessed. By implementing a portfolio optimization model to find the optimal mix of mitigation options under different sets of information, we are able to estimate the benefit of improved land cover data and thus determine the value of land cover validation efforts. We illustrate the methodology by comparing portfolio outputs of the different mitigation options modeled within the GLOBIOM economic land use model using cropland data from different databases.
主题	Ecosystems Services and Management (ESM)
关键词	Value of information Land cover maps Land use Mitigation GEOSS
URL	http://pure.iiasa.ac.at/id/eprint/10058/
来源智库	International Institute for Applied Systems Analysis (Austria)
引用统计
资源类型	智库出版物
条目标识符	http://119.78.100.153/handle/2XGU8XDN/134196
推荐引用方式 GB/T 7714	Fritz S,Fuss S,Havlik P,et al. The value of determining global land cover for assessing climate change mitigation options.. 2012.