- Research article
- Open Access
Enhancing community preparedness: an inventory and analysis of disaster citizen science activities
BMC Public Health volume 19, Article number: 1356 (2019)
Disaster citizen science, or the use of scientific principles and methods by “non-professional” scientists or volunteers, may be a promising way to enhance public health emergency preparedness (PHEP) and build community resilience. However, little research has focused on understanding this emerging field and its implications for PHEP. To address research gaps, this paper: (1) assesses the state of disaster citizen science by developing an inventory of disaster citizen science projects; (2) identifies different models of disaster citizen science; and (3) assesses their relevance for PHEP.
We searched the English-language peer-reviewed and grey literature for disaster citizen science projects with no time period specified. Following searches, a team of three reviewers applied inclusion/exclusion criteria that defined eligible disasters and citizen science activities. Reviewers extracted the following elements from each project: project name and description; lead and partner entities; geographic setting; start and end dates; type of disaster; disaster phase; citizen science model; and technologies used.
A final set of 209 projects, covering the time period 1953–2017, were included in the inventory. Projects were classified across five citizen science models: distributed or volunteer sensing (n = 19; 9%); contributory (n = 98; 47%); distributed intelligence (n = 52; 25%); collaborative research (n = 32; 15%); and collegial research (n = 8; 4%). Overall, projects were conducted across all disaster phases and most frequently for earthquakes, floods, and hurricanes. Although activities occurred globally, 40% of projects were set in the U.S. Academic, government, technology, and advocacy organizations were the most prevalent lead entities. Although a range of technologies were used, 77% of projects (n = 161) required an internet-connected device. These characteristics varied across citizen science models revealing important implications for applications of disaster citizen science, enhancement of disaster response capabilities, and sustainability of activities over time.
By increasing engagement in research, disaster citizen science may empower communities to take collective action, improve system response capabilities, and generate relevant data to mitigate adverse health impacts. The project inventory established a baseline for future research to capitalize on opportunities, address limitations, and help disaster citizen science achieve its potential.
As disasters become increasingly costly due to factors such as population growth, the important role of communities and individuals in public health emergency preparedness (PHEP) has gained societal prominence [1,2,3,4]. In 2011, the Centers for Disease Control and Prevention (CDC) included community preparedness, which entailed community engagement and partnership development, as one of the core public health preparedness capabilities for state and local health departments . In the same year, the Federal Emergency and Management Agency (FEMA) issued their framework on a “whole community approach” to emergency management, where multiple stakeholders (e.g., residents, community leaders, government) work together to strengthen capacities and build community resilience . In the last decade, there has been growing encouragement of bystander response and the involvement of individuals in activities historically left to first responders and government (e.g. groups such as the Cajan Navy) [5, 6]. Given that disasters will always be a reality,, developing strategies for promoting community involvement in disaster preparedness should continue to be a public health and national security priority.
Against this backdrop, a citizen science movement for disaster preparedness has also emerged. Citizen science is the use of scientific principles and methods by “non-professional” scientists or public volunteers to explore or understand the world around them . In addition to preparedness, citizen science has proliferated across scientific disciplines due to factors such as the growing accessibility of measurement and monitoring tools, ubiquity and increased computing power of mobile devices, and governmental and academic encouragement . The potential benefits of disaster citizen science for improving PHEP are numerous. Through engagement in scientific activities, citizen scientists may help stretch resources and enhance governmental responses through the timely collection of local-level data. Disaster citizen science may be empowering, helping communities build social networks, develop skills, and generate data to mitigate adverse disaster impacts. Communities may therefore gain knowledge and capacity to take actions, better respond and adhere to preparedness recommendations, and increase their resilience, or ability to bounce back from disaster events.
Citizen science has a long history in fields like ecology, with discussions surrounding its uses as part of the scientific discourse . In contrast, while there is an extensive literature on spontaneous and organized volunteerism in disasters, little research to date has focused on understanding the field of disaster citizen science and the use of volunteers specifically for disaster citizen science activities. As a result, there are few materials or guiding principles from which to draw lessons to support the implementation of citizen science for PHEP. Additionally, lessons learned from citizen science in other fields may not generalize to disaster settings because they are often dangerous. The chaotic environments accompanying disasters may pose risks to citizen scientists, and the integration of these activities with official response and recovery functions may not be straightforward. Therfore, research is needed to assess the overall state of disaster citizen science and draw out implications for the use and conduct of citizen science in PHEP applications. To address research gaps, we aimed to: (1) assess the state of disaster citizen science by developing an inventory of disaster citizen science projects; (2) identify and describe different models of disaster citizen science; and (3) assess implications for different disaster phases. The construction of this first-ever comprehensive inventory will facilitate the identification of lessons learned that may increase the utility and value of disaster citizen science and improve system response capabilities, citizen scientist activities, and the resilience of affected communities.
To construct the disaster citizen science inventory, we: (1) developed a search strategy; (2) applied inclusion/exclusion criteria; and (3) performed data extractions and analyses.
We reviewed the peer-reviewed and grey (e.g., white papers, technical reports) literature for disaster citizen science projects or activities (hereafter referred to as projects). As citizen science crosses a range of disciplines (e.g., ecology, sociology, biomedical, public health, engineering), we searched different databases represented multiple disciplines. For peer-reviewed literature, we searched PubMed, EBSCOhost research databases, Web of Science, Scopus, ArticleFirst, and OCLC Online Computer Library Center Electronic Collections Online. For grey literature, we searched LexisNexis, citizen science project databases and websites (see Additional file 1: Table S1), and Google (first ten pages of hits per search term). We also solicited feedback from experts and stakeholders by emailing a request for disaster-related citizen science projects on the Citizen Science Association listserv.
Search terms and restrictions
For the peer-reviewed literature, our search terms used “citizen science” terms AND “disaster” terms. For citizen science, we used multiple terms to capture the concept of non-professionals or volunteers engaging in research (e.g., citizen scien*, community scien*) . For disasters, we included hazards identified as causing a public health emergency or a FEMA disaster declaration in the U.S. prior to 2018 [10, 11]. We also included climate change given its prominence as a national health security issue of concern . (Additional file 2: Table S2) presents the complete list of search terms for the peer-reviewed literature.
Due to the large size of the grey literature, use of all citizen science terms yielded tens of thousands of returns. Therefore, for this literature, we paired each disaster term with the phrase “citizen science,” “community science,” or “crowdsourcing.”
For all databases, we restricted searches to titles, abstracts, or keywords, and only searched English language sources. We did not restrict searches by date to be as comprehensive as possible and ensure inclusion of projects that may lend historical perspective, and our review reflects the literature published prior to 12/31/2017.
This process yielded more than 2800 articles, websites, and emails that we scanned for disaster citizen science projects. Identified projects (n = 353) were then screened for inventory eligibility.
A two-step screening process was applied to the 353 projects. First, we applied a taxonomy developed by Wilderman to determine citizen science relevance for the inventory . In Wilderman’s taxonomy, citizen science models are characterized by volunteer engagement in the following research activities: (1) problem definition; (2) study design; (3) sample/data collection; (4) data analysis; and (5) data interpretation. We included a project if volunteers were involved in one or more of these activities, with one caveat. If volunteers “collected” data on themselves (e.g., disease symptoms) (#3), then we also required involvement in at least one other activity for a project to be considered relevant. We chose this interpretation to guard against the inclusion of projects that involve citizens mainly as research subjects or inputs.
Second, we excluded projects that focused on routine monitoring activities (e.g., air or water quality) unless an activity was tied to a specific disaster event. Routine monitoring is vital for PHEP but raises conceptual issues about the demarcation between PHEP and routine public health functions. Therefore, we excluded monitoring projects to draw clear boundaries around disaster citizen science.
Three project team members carried out the screening process through a phased approach. Two team members applied inclusion/exclusion criteria to a set of assigned projects while the third person (the lead author) reviewed all projects and engaged in discussions to help resolve disagreements. Four rounds of screening and review occurred. By the last round of screening, reviewers had achieved a satisfactory level of agreement for including or excluding projects prior to team discussions (87% observed proportionate agreement, kappa 0.7). Following screenings, a final set of 209 projects were eligible for the inventory.
Data extraction and analysis
We extracted the following data elements on each project (see Table 1 for more detailed descriptions): (1) project name and description; (2) lead project entities and entity type; (3) partners and other involved entities; (4) geographic setting; (5) project start and end years; (6) disaster type of focus; (7) disaster phase; (8) citizen science types; (9) citizen scientist participant roles; and (10) types of technologies used. Citizen science types and citizen scientist participant roles were considered two classification schemes for describing citizen science activities. In addition, we developed categories of project objectives through assessment across the entire dataset. We did not assign objectives to individual projects because of the difficulties of obtaining reliable information through review of project materials alone. For example, projects carried out to collect data for public health surveillance purposes may also have integrated educational or social networking components. Unless explicitly stated in existing materials however, it was not clear what project leaders would define as the intended objectives.
Four project team members performed extractions. The team used a variety of materials to obtain project information including original source documents and supplemental Google searches. Before independent extractions, the team applied a coding guide to a common set of projects (n = 15). The team met to discuss and resolve any differences and modify the coding guide as necessary. After trainings, three team members independently performed extractions for assigned projects while the fourth (lead author) reviewed all extractions.
Fig. 1 displays the flow diagram and search results. Most of the final 209 projects were identified through Google (n = 153), followed by the peer-reviewed literature (n = 64), citizen science inventories and websites (n = 26), list serv responses (n = 22), and LexisNexis (n = 10). Counts include projects overlapping multiple sources. Table 2 provides a summary of the data extracted for each project. (Additional file 3: Table S3) displays the complete project inventory along with extracted data for each data element.
Disaster citizen science project objectives
Overall, the disaster citizen science projects reviewed in this study were designed to achieve many different objectives, including: assessment of risks or community vulnerabilities; surveillance, early-warning, and monitoring; database or repository building; historical research or baseline establishment; intervention development and testing; epidemiological investigations; and population needs assessments. In addition, beyond scientific objectives, projects could also be designed to achieve broader societal impacts that may yield benefits for enhancing community resilience such as performing outreach to isolated groups, providing education and raising awareness about hazards and impacts, or building networks through collaborative problem-solving .
Disaster citizen science models
The two classification schemes describing citizen science activities together comprised a framework incorporating elements of typologies developed by Shirk et al.  and Haklay . Using the new framework, projects were categorized into one of five citizen science models:
Distributed or volunteer sensing (n = 19; 9%). Citizen scientists volunteer resources or space to facilitate data collection or analyses led by professional scientists.
Contributory (n = 98; 47%). Citizen scientists collect data to assist research led by professional scientists.
Distributed intelligence (n = 52; 25%). Citizen scientists perform data analyses or interpretation.
Collaborative research (n = 32; 15%). Citizen and professional scientists collaborate in areas beyond data collection or analysis (e.g., problem definition, study design).
Collegial research (n = 8; 4%). Citizen scientists lead research with little collaboration with professional scientists.
The next sections describe how these models of citizen science vary across project characteristics (see Table 3 for descriptive statistics).
Citizen science models by disaster type
Overall, citizen science projects were carried out most frequently for earthquakes (n = 61; 29%), floods (n = 52; 25%), and hurricanes (n = 36; 17%). Disaster types varied across citizen science model. Earthquakes comprised the bulk of distributed sensing projects (n = 18; 95%). Earthquakes (n = 31; 32%) and floods (n = 36; 37%) were the main disasters for contributory projects. The majority of distributed intelligence projects focused on earthquakes (n = 10; 19%), floods (n = 11; 21%), or hurricanes (n = 16; 31%). Most collaborative research projects were focused on nuclear radiation (n = 5; 16%), hurricanes (n = 6; 19%), and chemical contamination events (n = 10; 31%). Finally, half of collegial research projects addressed either hurricane (n = 2; 25%) or chemical contamination events (n = 2; 25%).
Citizen science models by lead and collaborating entities
Most projects were led by academic/research groups (n = 94; 45%) followed by government (n = 55; 26%), technology groups (organizations focused on development or deployment of technological resources, such as equipment or online platforms) (n = 51; 24%), and advocacy organizations (n = 23; 11%). We also collected the names of listed partners for each project, but it was often difficult to determine the role of every partner or the extent of their involvement. The majority of projects (n = 160; 77%) listed at least one partner. When identified, partners provided different types of services or support including: funding, technical assistance, equipment, digital platforms, manpower, administrative support, or evaluation capabilities.
Across models, academic groups led a large proportion of distributed sensing (n = 18; 95%), contributory (n = 49; 50%), and collaborative research (n = 15; 47%) projects. Government was primarily involved as lead for contributory projects (n = 46; 47%). Technology groups led the greatest proportion of distributed intelligence projects (n = 34; 65%). Advocacy organizations showed a greater lead role in collaborative (n = 12; 38%) and collegial research (n = 4; 50%) projects compared to the other models. Finally, partnerships led 19% (n = 6) of collaborative research projects, with academic and community organizations or a coalition of community groups most often comprising the partnership.
Citizen science models by disaster phase
Projects covered all disaster phases includingpreparedness (n = 135; 65%), response (n = 52; 25%), and recovery (n = 105; 50%), and some covered more than one phase. Distributed sensing was more likely to be focused on preparedness (n = 17; 89%) and recovery (n = 15; 79%) versus response (n = 2; 11%). Contributory projects focused on preparedness (n = 81; 83%) and recovery (n = 49; 50%). In contrast, the distributed intelligence model was most often used for response (n = 34; 65%). The recovery phase comprised 75% (n = 24) of collaborative research projects compared to 50% (n = 16) for preparedness and 9% (n = 3) for response. Most collegial research projects focused on recovery (n = 5; 63%).
Citizen science models by geographic setting
Projects were implemented globally, with 40% (n = 84) of projects set in the U.S. and 54% (n = 112) implemented outside the U.S. Thirteen (6%) projects were global in nature with no specific focus on any one country or region of the world.
Distributed sensing projects showed greater international versus U.S. prevalence (n = 9; 47% and n = 5; 26%, respectively), while contributory projects were more evenly distributed across U.S. and international settings (n = 44; 45% and n = 49; 50%, respectively). For distributed intelligence, projects were more prevalent internationally (n = 40; 77%) than in the U.S. (n = 10; 19%). In contrast, collaborative research was more prevalent in U.S. (n = 21; 66%) versus international projects (n = 10; 31%). Collegial research projects were distributed evenly across U.S. and international settings. We also noted a few regional patterns. In the U.S., the contributory model comprised most projects across regions, with one exception. In the southeast, collaborative research was the most prevalent model type (n = 13; 48%). Internationally, the contributory model comprised the majority of projects in Europe (n = 37; 69%) and Australia (n = 3; 30%). However, for all other continents, distributed intelligence was most prevalent.
Disaster citizen science technologies
The majority of projects (n = 159; 76%) required an internet-connected device to perform research. Most frequently used technologies included: crowdsourcing applications (n = 94; 45%); cameras or video (n = 59; 28%); sampling, monitoring, or sensor equipment (n = 49; 23%); online survey tools (n = 44; 21%); and mapping platforms (n = 38; 18%).
Distributed sensing projects relied heavily on sensor equipment (n = 17; 89%). The majority of contributory projects used cameras or video (n = 40; 41%), crowdsourcing data reporting applications (n = 39; 40%), or online surveys (n = 38; 39%). Distributed intelligence projects used crowdsourcing data analysis applications (n = 40; 77%) and mapping technologies (n = 32; 62%). For collaborative research, sampling equipment (n = 12; 38%) and cameras or video (n = 7; 22%) were the most prevalent technologies. Finally, most collegial research projects used crowdsourcing reporting applications (n = 5; 63%) and cameras or video (n = 5; 63%).
Disaster citizen science trends
Figure 2 displays the incidence of disaster citizen science projects across years, and shows an upward trend beginning in the late 2000s for all models. Contributory and distributed intelligence models showed similar trends around the same time period. For the 164 projects with both start and end date information, 67 (41%) had ended while 97 (59%) were ongoing at the time of data capture. Across models, 79% (n = 15) of distributed sensing projects were ongoing, compared to 51% (n = 50) for contributory, 25% (n = 13) for distributed intelligence, 47% (n = 15) for collaborative research, and 50% (n = 4) for collegial research. Projects lasted from as little as a few weeks to as long as almost 58 years. For concluded projects, average duration was 1.3 years with a range of less than a year to 12 years.
Disaster citizen science is a rich field, comprised of diverse projects addressing many types of disasters and disaster phases. The field is growing worldwide, fueled by the use of digital technologies, and attracting multiple types of participants, including citizen volunteers, academics, government, and technology and advocacy sectors. Below we discuss four themes that arose from our assessment of the inventory. Patterns indicated potential differences across citizen science models in terms of: (1) addressing different disaster types; (2) enhancing activities across disaster phases; (3) use of technologies; and (4) exhibiting sustainability over time.
Citizen science models and disaster type
Inventory analysis revealed patterns regarding the types of disasters addressed across different citizen science models. Distributed sensing, contributory, and distributed intelligence models were mainly focused on three disaster types – earthquakes, floods, and hurricanes. In these models, which are primarily led by professional scientists, citizen scientists were involved primarily in data collection or analysis, allowing for activities such as monitoring for an event, investigating disaster impacts, or providing information to aid response.
In contrast, collaborative and collegial research models, where citizen scientists have greater roles in leading, designing, and implementing activities, showed a larger focus on chemical contamination events – a type of technological disaster. Technological disasters are anthropogenic in origin and caused by the failure of manmade systems [17,18,19]. Research indicates that these events are characterized by a prolonged duration, uncertain effects; distrust in authorities; and identifiable parties to blame . Chemical contamination disasters may be more likely to motivate community-led actions due to a perception of failure on the part of government or other institutions to protect the public from harm. As a result, beyond collecting data to aid in PHEP actions, collaborative and collegial research models may also provide a means for communities to channel frustrations, hold institutions accountable, engage in advocacy and problem-solving, and ensure involvement in decision-making processes. Professional scientists who engage with citizen scientists in collaborative and collegial research models may require extra training and skills beyond what is typically provided in graduate programs. Some may be reluctant to engage in these models due to concerns that citizen scientists will have a particular agenda, limited control over data collection and quality, and the extra time and resources required to navigate complex relationships with community members and organizations .
Citizen science models and disaster phase
Certain models may be better suited to particular disaster phases. Distributed sensing and contributory projects focused primarily on preparedness, generally employing crowdsourced data to inform activities such as surveillance of human or environmental conditions. Given the low level of interaction and maintenance required by volunteers, distributed sensing may be a sustainable way to collect data or enhance analytical capacity.
Contributory models, along with distributed intelligence forms of citizen science, also seem well-suited to the response phase where there is need for real-time, local information about conditions. The distributed intelligence model in particular, has allowed a new form of disaster relief operations, termed “digital humanitarianism,” where volunteers away from a disaster site assist in digitally evaluating large amounts of information about the disaster (e.g., hotline requests, satellite imagery) . As indicated by inventory projects, such approaches may be particularly beneficial for assisting resource-poor areas in disaster response where existing governmental or institutional structures may be inadequate to support a robust response on their own (e.g., earthquakes in Haiti, Pakistan; flooding in India, Sri Lanka; Ebola in West Africa).
Digital humanitarianism is filling a critical response need , but efforts are still needed to improve collection of timely, local-level data within disaster-affected areas. Federal agencies such as CDC and others have undertaken initiatives to make scientific research a part of disaster response, but there are challenges related to logistics, infrastructure, identification of research questions, and data quality [22,23,24]. However, inventory projects suggest that citizen science could help address some of these issues. For instance, after both the 2010 Deepwater Horizon oil spill and the 2011 Fukushima nuclear power plant meltdown, grassroots organizations led activities to create accessible tools and approaches such as apps that would allow individuals to measure and monitor disaster impacts in the environment [25, 26].
Finally, collaborative and collegial research projects tended to focus on the recovery phase. Collaborative research represents a somewhat more intensive project in terms of the need to develop and maintain strong partnerships, and could be highly valuable for inclusion of community needs for recovery planning and long-term recovery efforts. Given its nascency, collegial research is currently a more variable model in terms of objectives and structure. Collegial projects ranged from citizen scientists performing water quality testing to advocacy organizations spearheading crowdsourcing projects to track disaster impacts. Overall though, collegial research models afford communities the highest latitude in directing research to address community needs.
Citizen science models and use of technologies
The majority of projects used some form of digital technology, particularly smartphones with dedicated data collection applications and sharing mechanisms, and we note that the growth of disaster citizen science tracks with technological milestones such as the launch of social media (~ 2004–2006) and release of mobile smartphones to the mainstream consumer market (~ 2007–2008). According to the Pew Research Center, in 2016, 77% of Americans owned a smartphone, 73% had home broadband service, and 69% of adults reported being social media users . Globally, smartphone usage in developing countries increased from 21% in 2013 to 37% in 2015 . Growing technology adoption may enhance accessibility and fuel opportunities for scientific engagement through data collection and sharing activities.
While citizen science models rely heavily on internet-connected devices, distributed sensing and distributed intelligence projects were reliant on a few specific types of technologies (crowdsourcing applications, sensors/monitors). In contrast, contributory, collaborative, and collegial research projects incorporated a greater range of technologies (e.g., cameras, video, crowdsourcing applications, sampling equipment, online forms or survey tools).
Although a promising trend overall, there are reasons to be cautious about overreliance on digital technologies during disasters. Events such as Superstorm Sandy and Hurricane Harvey did not result in destruction of the communications or electronic infrastructure necessary to utilize internet-enabled devices. However, as seen in Puerto Rico following Hurricane Maria, this might not always be the case. Citizen science efforts should take into account how best to use different forms of technology to ensure resilient systems and which models may be best able to facilitate actions when technology is limited.
Citizen science models and project sustainability
Whether a project is sustained depends partly upon its intended goals. For example, 94% of distributed sensing projects were ongoing; this aligns with their focus on preparedness activities, which are often continuous in nature. In contrast, only 27% of distributed intelligence projects continued past a disaster event. However, the bulk of these projects were response-related and therefore time-limited in scope.
We note some cases however, where sustained efforts have grown organically and evolved over time. Community-led movements following the Deepwater Horizon oil spill and the Fukushima disaster led to the creation of Public Lab in the Gulf South , which now helps communities address their own scientific questions, and Safecast, which maintains the largest open dataset of background radiation measurements from across the globe . Similarly, the 2010 Haiti earthquake catalyzed the digital humanitarianism movement, serving as the first case of a large-scale, collaborative effort between technology and humanitarian relief sectors . These projects suggest a potential for sustainable citizen science models, where projects could shift objectives to address different disasters or disaster phases.
Although we carried out a comprehensive scan of the literature, our searches only included projects that were described or conducted in English and we were limited to describing activities based on publicly available data. In addition, it was difficult at times to draw definitive boundaries around certain disaster citizen science concepts. For example, we excluded routine monitoring activities that were not directed towards a specific disaster event. Other exclusions that could be considered disaster citizen science included environmental justice projects that addressed toxic pollution concerns and climate change projects that focused on ecological rather than human impacts (e.g., invasive species, coastal erosion). Finally, we note two definitional limitations. First, our inclusion criteria for a disaster omitted rare, emerging, or slow-moving events (e.g., food security, antimicrobial resistance). Second, our designations of lead and partner entities might not always be accurate as it was often difficult to discern these characteristics from literature sources alone.
The public health impacts of disasters are significant: death, disease, injury, damage to homes and communities, and adverse mental and physical consequences. Given disasters will continue to strike, public health agencies are in need of tools to support PHEP efforts. Results from this first comprehensive inventory of disaster citizen science activity suggest that citizen science approaches are widely used and represent many areas of opportunity for PHEP. Disaster citizen science projects have the potential to expand PHEP capabilities such as facilitating greater data collection opportunities to support situational awareness, community risk and vulnerability assessments, and identification of recovery needs, if guidance on engaging in citizen science is made readily available to public health professionals.
The cataloguing of projects allows for a better understanding of the breadth of the field so those interested in initiating or participating in a disaster citizen science activity can find resources to tap into or leverage. Future research should explore the advantages and disadvantages of each citizen science model, barriers faced by the public health community in applying these models to different disaster contexts, promising implementation approaches, and strategies to support the proliferation of citizen science activities. In addition, more research is needed to understand the public health impacts of disaster citizen science projects, and whether and how, citizen science has demonstrably led to enhanced resilience. Our work represents a keystep in developing this understanding so that disaster citizen science achieves its potential to advance research, enhance community preparedness, and build community resilience for all.
Availability of data and materials
All data generated or analyzed during this study are included in this published article [and its additional information files].
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The authors are grateful for manuscript editing contributions from Dr. Shoukat Qari at the US Centers for Disease Control and Prevention. This work was supported by the US Centers for Disease Control and Prevention through research contract 200-2016-92420.
This work was funded by the US Centers for Disease Control and Prevention (CDC) through research contract 200–2016-92420. The manuscript was authored by both RAND and CDC authors; thus, the funder was involved in all aspects of the work, including study design, data collection, analysis and interpretation, and manscuript writing and revision.
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This work was supported by the US Centers for Disease Control and Prevention through research contract 200-2016-92420. The findings and conclusions in this report are those of the authors and do not necessarily represent the official position of the Centers for Disease Control and Prevention.
Additional file 1:
Table S1. Citizen science databases or websites used to identify disaster-related activities.
Additional file 2:
Table S2. Search terms employed in peer-reviewed literature database searches.
Additional file 3:
Table S3. Complete project inventory dataset.
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Chari, R., Petrun Sayers, E.L., Amiri, S. et al. Enhancing community preparedness: an inventory and analysis of disaster citizen science activities. BMC Public Health 19, 1356 (2019). https://doi.org/10.1186/s12889-019-7689-x
- Citizen science;public health emergency preparedness
- Disaster resilience
- Emergency response
- Disaster recovery