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Disaster damage levels are matched to county-level nonprofit activity indicators. Using dynamic panel-data estimation, nonprofit net assets (and nonprofit revenue to a lesser extent) defined at this local level are found to be positively correlated with disaster event damage levels, consistent with a post-disaster giving mechanism. Magnitudes are relatively small, suggesting a distributed downstream flow of benefits to local nonprofits from larger national organizations. Furthermore, disaster damage at a lag is associated with only minor increases in the count of local nonprofit organizations at the county level. The relative impacts of assets and nonprofit counts in particular indicate that existing nonprofits have the established credibility and networks to be reliable conduits for post-disaster asset flows. If local nonprofits are an indicator of regional social capital, the findings suggest that disasters reveal the resilience of social capital structures in the face of crisis along the focal dimension of nonprofit activity. [ABSTRACT FROM AUTHOR]

Studies on the impacts of hurricanes, tropical storms, and tornados indicate that poor communities of colour suffer disproportionately in human death and injury. 2 Few quantitative studies have been conducted on the degree to which flood events affect socially vulnerable populations. We address this research void by analysing 832 countywide flood events in Texas from 1997–2001. Specifically, we examine whether geographic localities characterised by high percentages of socially vulnerable populations experience significantly more casualties due to flood events, adjusting for characteristics of the natural and built environment. Zero-inflated negative binomial regression models indicate that the odds of a flood casualty increase with the level of precipitation on the day of a flood event, flood duration, property damage caused by the flood, population density, and the presence of socially vulnerable populations. Odds decrease with the number of dams, the level of precipitation on the day before a recorded flood event, and the extent to which localities have enacted flood mitigation strategies. The study concludes with comments on hazard-resilient communities and protection of casualty-prone populations. [ABSTRACT FROM AUTHOR]

Floods continue to pose the greatest threat to the property and safety of human communities among all natural hazards in the United States. This study examines the relationship between the built environment and flood impacts in Texas, which consistently sustains the most damage from flooding of any other state in the country. Specifically, we calculate property damage resulting from 423 flood events between 1997 and 2001 at the county level. We identify the effect of several built environment measures, including wetland alteration, impervious surface, and dams on reported property damage while controlling for biophysical and socio-economic characteristics. Statistical results suggest that naturally occurring wetlands play a particularly important role in mitigating flood damage. These findings provide guidance to planners and flood managers on how to alleviate most effectively the costly impacts of foods at the community level. [ABSTRACT FROM AUTHOR]