Global Earthquake Proportional Economic Loss Risk Deciles

The Global Earthquake Proportional Economic Loss Risk Deciles is a 2.5 minute grid of earthquake hazard economic loss as proportions of Gross Domestic Product (GDP) per analytical unit. Estimates of GDP at risk are based on regional economic loss rates derived from historical records of the Emergency Events Database (EM-DAT). Loss rates are weighted by the hazard's frequency and distribution. The methodology of Sachs et al. (2003) is followed to determine baseline estimates of GDP per grid cell. To better reflect the confidence surrounding the data and procedures, the range of proportionalities is classified into deciles, 10 class of an approximately equal number of grid cells of increasing risk. This data set is the result of collaboration among the Columbia University Center for Hazards and Risk Research (CHRR), International Bank for Reconstruction and Development/The World Bank, and Columbia University Center for International Earth Science Information Network (CIESIN).
To provide a spatial surface of the proportional economic impacts of global earthquake hazard.

全球地震经济损失比例风险十分位数据集是一套分辨率为2.5弧分的网格数据，其数值为各分析单元的地震灾害经济损失占国内生产总值（GDP）的比例。受灾GDP的估算值基于从紧急事件数据库（EM-DAT）历史记录中推导得到的区域经济损失率，该损失率根据灾害的发生频率与空间分布进行加权处理。本数据集遵循萨克斯（Sachs）等人2003年提出的研究方法，以计算每个网格单元的GDP基准估算值。为更精准地反映数据与测算流程的置信水平，研究将经济损失比例的取值范围划分为十分位分级，即10个风险逐级递增且网格单元数量大致均等的类别。本数据集由哥伦比亚大学灾害与风险研究中心（CHRR）、国际复兴开发银行/世界银行以及哥伦比亚大学国际地球科学信息网络中心（CIESIN）联合研制完成。
本数据集旨在构建全球地震灾害经济影响比例的空间分布表面。