Social vulnerability

Dimension of vulnerability to multiple stressors From Wikipedia, the free encyclopedia

In its broadest sense, social vulnerability is one dimension of vulnerability to multiple stressors and shocks, including abuse, social exclusion and natural hazards. Social vulnerability refers to the inability of people, organizations, and societies to withstand adverse impacts from multiple stressors to which they are exposed. These impacts are due in part to characteristics inherent in social interactions, institutions, and systems of cultural values.

Social vulnerability is an interdisciplinary topic that connects social, health, and environmental fields of study. As it captures the susceptibility of a system or an individual to respond to external stressors like pandemics or natural disasters, many studies of social vulnerability are found in risk management literature.[1][2][3][4]

Background

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The structural nature, as opposed to the individual level, is central to social vulnerability.[5] Social and political systemic inequalities influence or shape the susceptibility of various groups to harm as well as govern their ability to respond.[6] Both the sensitivity and resilience of a group to prepare, cope, and recover from hazards defines their social vulnerability.[7]

Although considerable research attention has examined components of biophysical vulnerability and the vulnerability of the built environment,[8] we once knew the least about the social aspects of vulnerability.[6] Socially created vulnerabilities were largely ignored, mainly due to the difficulty in quantifying them.

Researching social vulnerability is interdisciplinary in nature, combining theories from sociology, health, political economy, and geography.[9] Just like the different disciplines use different approaches and scopes of analyses (qualitative or quantitative; different objects/groups of analysis; different types of hazards/stressors), so too did the early versions of attempting to quantify social vulnerability.

Since the 1960s, there have been methods of collecting data and quantifying it to depict a community's social conditions and quality-of-life.[9] Within the geography discipline, spatially quantifying social problems and social wellbeing has been practiced since the 1970s.[9] At the same time, Phil O'Keefe, Ken Westgate and Ben Wisner introduced the concept of vulnerability within the discourse on natural hazards and disaster, emphasizing the role of socio-economic conditions as causes of disasters.[10] Susan Cutter's 2003 social vulnerability index was a turning point in studying social vulnerability. The index and hazard of place model built upon the decades-before groundwork, and synthesized the interdisciplinary challenges and goals of measuring vulnerability. As of March 2024, Cutter's original paper has been cited over 7500 times, suggesting its influence across fields as well as potential replication of methodology for different contexts.[9]

It is important to consider, however, how analyses that focus on stresses to vulnerability are insufficient to understand impacts on and responses to affected groups.[8][11] These issues are often underlined in attempts to model the concept (see Models of Social Vulnerability).

Definitions and Types

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"Vulnerability" derives from the Latin word vulnerare (to wound) and describes the potential to be harmed physically and/or psychologically. Vulnerability is often understood as the counterpart of resilience, and is increasingly studied in linked social-ecological systems. The Yogyakarta Principles, one of the international human rights instruments use the term "vulnerability" as such potential to abuse or social exclusion.[12]

The concept of social vulnerability emerged most recently within the discourse on natural hazards and disasters. To date no one definition has been agreed upon. Similarly, multiple theories of social vulnerability exist.[13] Most work conducted so far focuses on empirical observation and conceptual models. Thus, current social vulnerability research is a middle range theory and represents an attempt to understand the social conditions that transform a natural hazard (e.g. flood, earthquake, mass movements etc.) into a social disaster. The concept emphasizes two central themes:

  1. Both the causes and the phenomenon of disasters are defined by social processes and structures. Thus, it is not only a geo- or biophysical hazard, but rather the social context that needs to be considered to understand "natural" disasters.[14]
  2. Although different groups of a society may share a similar exposure to a natural hazard, the hazard has varying consequences for these groups, since they have diverging capacities and abilities to handle the impact of a hazard.

Types

Vulnerability to natural hazards, or climate vulnerability

Natural hazards reveal the level of social vulnerability of individuals and communities. The way people, or communities, are able to "respond to, cope with, recover from, and adapt to hazards" can indicate the measure of vulnerability.[15] In the wake of a disaster event, factors like economic, demographic, and housing conditions can determine vulnerability, adaptive capacity, and preparedness. Flooding, for example, will affect a homeowner who's basement has flooded differently than a renter who's basement apartment has also flooded.

Collective vulnerability, or community vulnerability

Collective vulnerability is a state in which the integrity and social fabric of a community is or was threatened through traumatic events or repeated collective violence.[16] In addition, according to the collective vulnerability hypothesis, shared experience of vulnerability and the loss of shared normative references can lead to collective reactions aimed to reestablish the lost norms and trigger forms of collective resilience.[17]

This theory has been developed by social psychologists to study the support for human rights. It is rooted in the consideration that devastating collective events are sometimes followed by claims for measures that may prevent that similar event will happen again. For instance, the Universal Declaration of Human Rights was a direct consequence of World War II horrors. Psychological research by Willem Doise and colleagues shows indeed that after people have experienced a collective injustice, they are more likely to support the reinforcement of human rights.[18] Populations who collectively endured systematic human rights violations are more critical of national authorities and less tolerant of rights violations.[19] Some analyses performed by Dario Spini, Guy Elcheroth and Rachel Fasel[20] on the Red Cross' "People on War" survey shows that when individuals have direct experience with the armed conflict are less keen to support humanitarian norms. However, in countries in which most of the social groups in conflict share a similar level of victimization, people express more the need for reestablishing protective social norms as the human rights, no matter the magnitude of the conflict.

Models

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Risk-Hazard (RH) model,[7] showing the impact of a hazard as a function of exposure and sensitivity. The chain sequence begins with the hazard, and the concept of vulnerability is noted implicitly as represented by white arrows.

Risk-Hazard (RH) Model

Initial RH models sought to understand the impact of a hazard as a function of exposure to the hazardous event and the sensitivity of the entity exposed.[7] Applications of this model in environmental and climate impact assessments generally emphasised exposure and sensitivity to perturbations and stressors and worked from the hazard to the impacts.[7][21][22] However, several inadequacies became apparent. Principally, it does not treat the ways in which the systems in question amplify or attenuate the impacts of the hazard.[23] Neither does the model address the distinction among exposed subsystems and components that lead to significant variations in the consequences of the hazards, or the role of political economy in shaping differential exposure and consequences.[24][25] This led to the development of the PAR model.

Pressure and Release (PAR) Model

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Pressure and Release (PAR) model after Blaikie et al. (1994) showing the progression of vulnerability.[26] The diagram shows a disaster as the intersection between socio-economic pressures on the left and physical exposures (natural hazards) on the right.
The PAR model understands a disaster as the intersection between socio-economic pressure and physical exposure. Risk is explicitly defined as a function of the perturbation, stressor, or stress and the vulnerability of the exposed unit.[26] In this way, it directs attention to the conditions that make exposure unsafe, leading to vulnerability and to the causes creating these conditions. Used primarily to address social groups facing disaster events, the model emphasises distinctions in vulnerability by different exposure units such as social class and ethnicity. The model distinguishes between three components on the social side: root causes, dynamic pressures and unsafe conditions, and one component on the natural side, the natural hazards itself. Principal root causes include "economic, demographic and political processes", which affect the allocation and distribution of resources between different groups of people. Dynamic Pressures translate economic and political processes in local circumstances (e.g. migration patterns). Unsafe conditions are the specific forms in which vulnerability is expressed in time and space, such as those induced by the physical environment, local economy or social relations.[26]
Although explicitly highlighting vulnerability, the PAR model appears insufficiently comprehensive for the broader concerns of sustainability science.[7] Primarily, it does not address the coupled human environment system in the sense of considering the vulnerability of biophysical subsystems and it provides little detail on the structure of the hazard's causal sequence.[7] The model also tends to underplay feedback beyond the system of analysis that the integrative RH models included.[24][22]

Hazards of Place Model

Susan Cutter's hazards of place (HOP) model conceptualizes how susceptibility to harm is shaped by both physical and social systems.[27] Physical characteristics of a landscape can determine the level of exposure to hazards i.e. elevation, proximity, etc. while social vulnerability depends upon a number of social determinants of wellbeing i.e. socioeconomic status, governance, etc.[27] The HOP model allows for a spatial interaction ('place-based') between the biophysical and the social dimensions of vulnerability that may vary over space and time.[27] The HOP demonstrates the equal importance of biophysical and social environments in determining overall vulnerability of a particular area or group.

Indexes

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One way to estimate social vulnerability is to use a vulnerability index that aggregates social factors into a single measurement. Social vulnerability indexes have become commonly used in disaster planning, environmental science, and health sciences fields.[28] The use of social vulnerability indexes are frequently used in research studies to predict outcomes of illness, like COVID-19 infection, or mortality from disasters or environmental circumstances.[28] An index allows for a continuous estimation of social vulnerability that can capture more than a single explanatory variable.[28] The challenge and discrepancies between different indexes rest with the methodology of how the aggregated variables are chosen. Some researchers use more qualitative methods like theory-based or community consultation, while others use more quantitative statistical methods like factor analysis or principal component analysis pulling data from censuses or similar national surveys.

In 2003, Susan Cutter created the Social Vulnerability Index (SoVI) using both qualitative and quantitative methods - firstly, by outlining the many potential variables that could contribute to social vulnerability supported by a literature review, and secondly, by condensing the list of over 250 variables into 42 variables that were used in a factor analysis.[29] After further statistical testing, Cutter and her colleagues found 11 variables that could explain over 75% of the variance of social vulnerability to environmental hazards across U.S. counties.[29]

Since the SoVI was created, many other researchers have used it, or created their own indexes adapting it to fit local environments and data availabilities. For example, in Canada, researchers at the University of Waterloo have created a SoVI for the Canadian context including ethnicity (language, immigration, and Indigenous categories), visible minorities, and certain built environment data using sources unique to Canada.[30]

The results of social vulnerability indexes can be mapped with GIS to be able to visualize who may be most vulnerable within study areas.[31][32] Mapping social vulnerability visually identifies at-risk areas which can help inform members of the public, policymakers, and elected officials for better management (preparation, support, and recovery) of hazards.[32]

Integration into risk planning and adaptation

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CDC/ATSDR Social Vulnerability Index variables grouped into four themes
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Timeline shows the years CDC/ATSDR Social Vulnerability Index changed its database – 2000, 2010, 2014, and 2020.

Social vulnerability is increasingly becoming integrated and considered when preparing for disasters by governmental agencies or organizational bodies. This is being done in regards to both climate vulnerability and health vulnerability disaster planning and adaptation.

During the COVID-19 pandemic, the British Red Cross created a COVID-19 Vulnerability Index combining health, demographic, and social vulnerability data as well as digital exclusion and health inequalities data. The index was then mapped to spatially represent vulnerable areas across the UK.[33][34]

In the United States, the Centre for Disease Control (CDC) and Agency for Toxic Substances and Disease Registry (ATSDR) have created a place-based social vulnerability index (SVI) alongside an interactive mapping application.[35] Public health officials use the index to identify where there is need for emergency shelters and to determine how many supplies are needed to distribute.[35] State and local health departments, in addition to non-profits, use the index to promote health initiatives.[35] In 2023, FEMA integrated the CDC/ATSDR's social vulnerability index into their National Risk Index - a mapping tool representing the risk associated with 18 natural hazards.[36] This integration informs emergency planners to best distribute numbers of emergency personnel to at-risk areas, as well as plan evacuation routes.[35]

In southern California, where wildfires have been increasing in frequency and destruction, the American Red Cross has used social vulnerability mapping in their campaign "Prepare SoCal" to highlight communities at-risk and point to where may be strategic to invest in preparedness education, tools, and resources for greater resilience.[37]

The European Environment Agency has created its own social vulnerability index tool combining social, economic, and environmental indicators and associated data with the aims to highlight vulnerability to climate change.[38] It can be used in conjunction with geographic layers that include flood risk and thermal heat data, to explicitly draw connections between social vulnerability and climate vulnerability.[38] This tool has been used in cities and counties across Europe including cities in Ireland and Spain, in addition to projects in Athens and Milan.[38] The use of the index allows cities to plan future adaptation measures, understand how climate impacts may affect their neighbourhoods differently, and raise awareness among their citizens.[38]

In Australia, the University of Melbourne's School of Population and Global Health has created a country-wide social vulnerability index to assess how social factors affect human health vulnerability to climate change.[39] Their index uses over 70 indicators, many relating directly to climate change and extreme weather.[39] The index is publicly available and was designed for communities, emergency response planners, and public health officials to better prepare for and recover from climate and weather disasters across Australia.[40]

Criticism

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Some authors criticise the conceptualisation of social vulnerability for overemphasising the social, political and economical processes and structures that lead to vulnerable conditions. Inherent in such a view is the tendency to understand people as passive victims[25] and to neglect the subjective and intersubjective interpretation and perception of disastrous events. The author, Greg Bankoff, criticises the very basis of the concept, since in his view it is shaped by a knowledge system that was developed and formed within the academic environment of western countries and therefore inevitably represents values and principles of that culture. According to Bankoff the ultimate aim underlying this concept is to depict large parts of the world as dangerous and hostile to provide further justification for interference and intervention.[41]

There are also criticisms surrounding the use of indexes to measure social vulnerability. Difficulties of standardization, weighting, and aggregation of indicators can effect the quality of an index's results.[42] Especially when indexes are used in large scale analyses - to evaluate multiple different countries and/or are using multiple data sources - how representative the results are can be questionable. If an index's results are too broad, and then are subsequently used to guide policy, it can result in maladaptation.[42] Some argue that vulnerability is context-dependent, and cannot be categorized and captured fully in indexes, favouring instead smaller-scale empirical investigation.[42]

See also

References

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