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Yong Sheng Aleksey Benderev Donka Bukolska Kenneth Imo-Imo Eshiet Carlos Dinis da Gama Torsten Gorka Michael Green Nikolay Hristov Ismini Katsimpardi Thomas Kempka Jordan Kortenski Nikolaos Koukouzas Natalie Nakaten Vasilis Sarhosis Ralph Schlueter Vidal Navarro Torres Ana Carina Veríssimo Velemir Vesselinov Dongmin Yang 《Mitigation and Adaptation Strategies for Global Change》2016,21(4):595-627
This paper presents the outcome of a feasibility study on underground coal gasification (UCG) combined with direct carbon dioxide (CO2) capture and storage (CCS) at a selected site in Bulgaria with deep coal seams (>1,200 m). A series of state-of-the-art geological, geo-mechanical, hydrogeological and computational models supported by experimental tests and techno-economical assessments have been developed for the evaluation of UCG-CCS schemes. Research efforts have been focused on the development of site selection requirements for UCG-CCS, estimation of CO2 storage volumes, review of the practical engineering requirements for developing a commercial UCG-CCS storage site, consideration of drilling and completion issues, and assessments of economic feasibility and environmental impacts of the scheme. In addition, the risks of subsidence and groundwater contamination have been assessed in order to pave the way for a full-scale trial and commercial applications. The current research confirms that cleaner and cheaper energy with reduced emissions can be achieved and the economics are competitive in the future European energy market. However the current research has established that rigorous design and monitor schemes are essential for productivity and safety and the minimisation of the potential environmental impacts. A platform has been established serving to inform policy-makers and aiding strategies devised to alleviate local and global impacts on climate change, while ensuring that energy resources are optimally harnessed. 相似文献
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Studying citizen science through adaptive management and learning feedbacks as mechanisms for improving conservation 下载免费PDF全文
Rebecca Jordan Steven Gray Amanda Sorensen Greg Newman David Mellor Greg Newman Cindy Hmelo‐Silver Shannon LaDeau Dawn Biehler Alycia Crall 《Conservation biology》2016,30(3):487-495
Citizen science has generated a growing interest among scientists and community groups, and citizen science programs have been created specifically for conservation. We examined collaborative science, a highly interactive form of citizen science, which we developed within a theoretically informed framework. In this essay, we focused on 2 aspects of our framework: social learning and adaptive management. Social learning, in contrast to individual‐based learning, stresses collaborative and generative insight making and is well‐suited for adaptive management. Adaptive‐management integrates feedback loops that are informed by what is learned and is guided by iterative decision making. Participants engaged in citizen science are able to add to what they are learning through primary data collection, which can result in the real‐time information that is often necessary for conservation. Our work is particularly timely because research publications consistently report a lack of established frameworks and evaluation plans to address the extent of conservation outcomes in citizen science. To illustrate how our framework supports conservation through citizen science, we examined how 2 programs enacted our collaborative science framework. Further, we inspected preliminary conservation outcomes of our case‐study programs. These programs, despite their recent implementation, are demonstrating promise with regard to positive conservation outcomes. To date, they are independently earning funds to support research, earning buy‐in from local partners to engage in experimentation, and, in the absence of leading scientists, are collecting data to test ideas. We argue that this success is due to citizen scientists being organized around local issues and engaging in iterative, collaborative, and adaptive learning. 相似文献
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Kaye Nigel B. Robinson Dylan M. Akhter Romana Ahsanullah Md Safwan Jordan TaJon A. Martinez Oscar E. 《Environmental Fluid Mechanics》2022,22(4):763-787
Environmental Fluid Mechanics - Buoyant turbulent plumes are often categorized by their geometry and described as either round plumes, issuing from a point source, or line/planar plumes, issuing... 相似文献
95.
Conflicts over how to “scale” policy-making tasks have characterized environmental governance since time immemorial. They
are particularly evident in the area of water policy and raise important questions over the democratic legitimacy, economic
efficiency and effectiveness of allocating (or “scaling”) tasks to some administrative levels as opposed to others. This article
adopts a comparative federalism perspective to assess the “optimality” of scaling—either upward or downward—in one issue area,
namely coastal recreational water quality. It does so by comparing the scaling of recreational water quality tasks in the
European Union (EU) and Australia. It reveals that the two systems have adopted rather different approaches to scaling and
that this difference can partly be accounted for in federal theoretical terms. However, a much greater awareness of the inescapably
political nature of scaling processes is nonetheless required. Finally, some words of caution are offered with regard to transferring
policy lessons between these two jurisdictions. 相似文献
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Qian?Sun Kenneth?F.?Haynes Jordan?D.?Hampton Xuguo?ZhouEmail authorView authors OrcID profile 《Die Naturwissenschaften》2017,104(9-10):79
In social insects, the postembryonic development of individuals exhibits strong phenotypic plasticity in response to the environment, thus generating the caste system. Different from eusocial Hymenoptera, in which queens dominate reproduction and inhibit worker fertility, the primary reproductive caste in termites (kings and queens) can be replaced by neotenic reproductives derived from functionally sterile individuals. Feedback regulation of nestmate differentiation into reproductives has been suggested, but the sex specificity remains inconclusive. In the eastern subterranean termite, Reticulitermes flavipes, we tested the hypothesis that neotenic reproductives regulate worker-reproductive transition in a sex-specific manner. With this R. flavipes system, we demonstrate a sex-specific regulatory mechanism with both inhibitory and stimulatory functions. Neotenics inhibit workers of the same sex from differentiating into additional reproductives but stimulate workers of the opposite sex to undergo this transition. Furthermore, this process is not affected by the presence of soldiers. Our results highlight the reproductive plasticity of termites in response to social cues and provide insights into the regulation of reproductive division of labor in a hemimetabolous social insect. 相似文献
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