Greenhouse Gas Emissions from Landfills: A Review and Bibliometric Analysis

Zhang, Chengliang; Xu, Tong; Feng, Hualiang; Chen, Shaohua

doi:10.3390/su11082282

Cited by 101 publications

(61 citation statements)

References 69 publications

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“…as with CiteSpace [9, 10] and VOSviewer [11]. For example, systematic reviews facilitated by using CiteSpace include a diverse range of research areas such as regenerative medicine [12], natural disaster research [13], greenhouse gas emission [14], and identifying disruptive innovation and emerging technology [15]. Similarly, VOSviewer was used in reviews of topics such as citizen science [16] and climate change [17].…”

Section: Introductionmentioning

confidence: 99%

Visualizing a field of research: A methodology of systematic scientometric reviews

2019

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Systematic scientometric reviews, empowered by computational and visual analytic approaches, offer opportunities to improve the timeliness, accessibility, and reproducibility of studies of the literature of a field of research. On the other hand, effectively and adequately identifying the most representative body of scholarly publications as the basis of subsequent analyses remains a common bottleneck in the current practice. What can we do to reduce the risk of missing something potentially significant? How can we compare different search strategies in terms of the relevance and specificity of topical areas covered? In this study, we introduce a flexible and generic methodology based on a significant extension of the general conceptual framework of citation indexing for delineating the literature of a research field. The method, through cascading citation expansion, provides a practical connection between studies of science from local and global perspectives. We demonstrate an application of the methodology to the research of literature-based discovery (LBD) and compare five datasets constructed based on three use scenarios and corresponding retrieval strategies, namely a query-based lexical search (one dataset), forward expansions starting from a groundbreaking article of LBD (two datasets), and backward expansions starting from a recently published review article by a prominent expert in LBD (two datasets). We particularly discuss the relevance of areas captured by expansion processes with reference to the query-based scientometric visualization. The method used in this study for comparing bibliometric datasets is applicable to comparative studies of search strategies.

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Section: Introductionmentioning

confidence: 99%

Visualizing a field of research: A methodology of systematic scientometric reviews

2019

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“…Food waste represents the largest waste component sent to landfills and the primary source of landfill gas. Once food waste is landfilled, it decomposes under anaerobic conditions and generates methane emissions [24], a gas that is more than 25 times as potent as carbon dioxide (CO 2 ) and that makes a significant contribution to global warming [20,25]. Besides carbon footprint (cf.…”

Section: Introductionmentioning

confidence: 99%

Food Waste in the Countries of the Gulf Cooperation Council: A Systematic Review

Bilali

Hassen

2020

Foods

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Food waste (FW) is a critical challenge in the Gulf Cooperation Council (GCC). This paper analyzes research dealing with food waste in the GCC countries (viz. Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, United Arab Emirates). It draws upon a systematic review performed on Scopus in January 2020. The paper covers both bibliometrics (e.g., authors, affiliations, journals) and research topics (e.g., causes, food supply chain stages, extent and quantity, food security, economic impacts, environmental implications, management strategies). A main finding of the review is the scarcity of data on FW in the GCC in general and in Kuwait, Oman, and Bahrain in particular. Most of the selected articles address FW reuse and recycling (e.g., waste-to-energy conversion, compost production). Indeed, other FW management strategies, such as reduction/prevention and redistribution, are overlooked. The systematic review highlights that further research on FW in the GCC is highly needed with a focus on the identified research gaps such as causes and drivers, trends, magnitude and extent, environmental and economic impacts, along with implications of food wastage in terms of food security. Since food wastage is a common issue for all GCC countries, these research gaps should be addressed in a shared regional research agenda.

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“…According to Zhang et al (2019), for the foreseeable future, landfills will continue to be one of the main methods for solid waste disposal. Thus, systematic and in-depth research on greenhouse gas emissions from landfills is necessary.…”

Section: Introductionmentioning

confidence: 99%

“…Thus, field studies need to be carried out to determine biogas production from landfills. Zhang et al (2019) highlight that researchers from different countries have recently proved that landfills are an important source of greenhouse gas (GHG) emissions. Nonetheless, few reviews have been conducted within the associated fields, resulting in a lack of comprehensive understanding related to relevant study achievements.…”

Section: Introductionmentioning

confidence: 99%

Características Climáticas E Variações Horárias Da Concentração Do Biogás Em Um Aterro Sanitário Localizado No Nordeste Do Brasil

Mota¹,

Monteiro²,

Silva³

et al. 2020

Rev. Bras. Ciênc. Ambient. (Online)

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Neste trabalho foram determinadas as variações horárias dasconcentrações de metano (CH4), dióxido de carbono (CO2) e oxigênio(O2), ao longo de 24 horas de medições em um aterro sanitário localizadona região nordeste do Brasil, onde predomina o clima tropical quentesemiárido brando. Foram realizadas quatro coletas de dados durante 24horas, cada, nos meses de novembro de 2014, e janeiro, março e abrilde 2015. As medições foram feitas em um dreno do aterro sanitário,utilizando-se um analisador portátil de gás. Constatou-se que as maioresconcentrações de metano foram encontradas para os maiores valores detemperatura do biogás. A máxima concentração de CH4(59,2%) ocorreupara a temperatura de 36,8ºC, enquanto a mínima concentração de CH4(43,2%) foi determinada para a temperatura de 25,4ºC. Não se observourelação entre a emissão de CH4 e a ocorrência ou não de chuvas, sendo atemperatura o fator que mais influenciou a concentração desse gás.

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Greenhouse Gas Emissions from Landfills: A Review and Bibliometric Analysis

Cited by 101 publications

References 69 publications

Visualizing a field of research: A methodology of systematic scientometric reviews

Visualizing a field of research: A methodology of systematic scientometric reviews

Food Waste in the Countries of the Gulf Cooperation Council: A Systematic Review

Características Climáticas E Variações Horárias Da Concentração Do Biogás Em Um Aterro Sanitário Localizado No Nordeste Do Brasil

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