Risk Assessment of Flood Disaster Induced by Typhoon Rainstorms in Guangdong Province, China

Zhang, Jiayang; Chen, Yangbo

doi:10.3390/su11102738

Cited by 63 publications

(39 citation statements)

References 55 publications

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“…Tropical cyclones frequently landfall in Zhanjiang. During 1960-2017, the incidence of the landfall of tropical cyclones which affected Zhanjiang city, was 236, with an annual mean of 4.07 [33]; thus, Zhanjiang is the area of greatest risk of typhoons in Guangdong province [34,35]. Tropical and subtropical plant species are abundant in the region, consisting mainly of evergreen trees such as Euphorbiaceae, Annonaceae and Lauraceae.…”

Section: Introductionmentioning

confidence: 99%

Relationship between airborne pollen assemblages and major meteorological parameters in Zhanjiang, South China

Chen

et al. 2020

PLoS ONE

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Pollen is an important component of bioaerosol and the distribution of pollen and its relationship with meteorological parameters can be analyzed to better prevent hay fever. Pollen assemblages can also provide basic data for analyzing the relationship between bioaerosol and PM. We collected 82 samples of airborne pollen using a TSP large flow pollen collector from June 1, 2015 to June 1, 2016, from central Zhanjiang city in South China. We also conducted a survey of the nearby vegetation at the same time, in order to characterize the major plant types and their flowering times. We then used data on daily temperature, relative humidity, precipitation, vapor pressure and wind speed from a meteorological station in the center of Zhanjiang City to assess the relationship between the distribution of airborne pollen and meteorological parameters. Our main findings and conclusions are as follows: (1) We identified 15 major pollen types, including Pinus, Castanopsis, Myrica, Euphorbiaceae, Compositae, Gramineae, Microlepia and Polypodiaceae. From the vegetation survey, we found that the pollen from these taxa represented more than 75% of local pollen, while the pollen of Podocarpus, Dacrydium and other regional pollen types represented less than 25%. (2) The pollen concentrations varied significantly in different seasons. The pollen concentrations were at a maximum in spring, consisting mainly of tree pollen; the pollen concentrations were at an intermediate level in autumn and winter, consisting mainly of herb pollen and fern spores; and the pollen concentrations in summer were the lowest, consisting mainly of fern spores. (3) Analysis of the relationship between airborne pollen concentrations and meteorological parameters showed that variations in the pollen concentrations were mainly affected by temperature and relative humidity. In addition, there were substantial differences in these relationships in different seasons. In spring, pollen concentrations were mainly affected by temperature; in summer, they were mainly affected by the direction of the maximum wind speed; in autumn, they were mainly affected by relative humidity and temperature; and in winter, they were mainly affected by relative humidity and wind speed. Temperature and relative humidity promote plant growth and flowering. Notably, the variable

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Section: Introductionmentioning

confidence: 99%

Relationship between airborne pollen assemblages and major meteorological parameters in Zhanjiang, South China

Chen

et al. 2020

PLoS ONE

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“…Flood mapping is the main method used to present the spatial distribution of flooding risks. Based on the definition of risk, researchers usually develop the city-level flood risk index from a vulnerability and hazard perspective [110][111][112]. However, mapping without indicators is also possible.…”

Section: Plos Onementioning

confidence: 99%

Wind disasters adaptation in cities in a changing climate: A systematic review

et al. 2021

PLoS ONE

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Wind-related disasters will bring more devastating consequences to cities in the future with a changing climate, but relevant studies have so far provided insufficient information to guide adaptation actions. This study aims to provide an in-depth elaboration of the contents discussed in open access literature regarding wind disaster adaptation in cities. We used the Latent Dirichlet Allocation (LDA) to refine topics and main contents based on 232 publications (1900 to 2019) extracted from Web of Science and Scopus. We conducted a full-text analysis to filter out focal cities along with their adaptation measures. The results show that wind disaster adaptation research in cities has formed a systematic framework in four aspects: 1) vulnerability and resilience of cities, 2) damage evaluation, 3) response and recovery, and 4) health impacts of wind disaster. Climate change is the background for many articles discussing vulnerability and adaptation in coastal areas. It is also embedded in damage evaluation since it has the potential to exacerbate disaster consequences. The literature is strongly inclined towards more developed cities such as New York City and New Orleans, among which New York City associated with Hurricane Sandy ranks first (38/232). Studies on New York City cover all the aspects, including the health impacts of wind disasters which are significantly less studied now. Distinct differences do exist in the number of measures regarding the adaptation categories and their subcategories. We also find that hard adaptation measures (i.e., structural and physical measures) are far more popular than soft adaptation measures (i.e., social and institutional measures). Our findings suggest that policymakers should pay more attention to cities that have experienced major wind disasters other than New York. They should embrace the up-to-date climate change study to defend short-term disasters and take precautions against long-term changes. They should also develop hard-soft hybrid adaptation measures, with special attention on the soft side, and enhance the health impact study of wind-related disasters.

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“…AC của khu vực chủ yếu là các tiêu chí về kết nối, khu vực tránh trú, truyền thông và các nguồn lực khác. Cách tiếp cận tương tự cũng đã được thực hiện tại các khu vực ven biển Trung Quốc [9,10] và ở Bangladesh [11]. Trong nghiên cứu [10], 14 chỉ thị được lựa chọn để đánh giá rủi ro do bão.…”

Section: Mở đầUunclassified

Nghiên cứu cảnh báo rủi ro do bão Sinlaku năm 2020 cho khu vực Bắc Trung Bộ theo bản tin dự báo

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Thanh²,

Tiến³

et al. 2020

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Risk Assessment of Flood Disaster Induced by Typhoon Rainstorms in Guangdong Province, China

Cited by 63 publications

References 55 publications

Relationship between airborne pollen assemblages and major meteorological parameters in Zhanjiang, South China

Relationship between airborne pollen assemblages and major meteorological parameters in Zhanjiang, South China

Wind disasters adaptation in cities in a changing climate: A systematic review

Nghiên cứu cảnh báo rủi ro do bão Sinlaku năm 2020 cho khu vực Bắc Trung Bộ theo bản tin dự báo

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