Technology and application of big data contribute to estimate the loss of disaster risk and construc-tive changes,restructuring disaster monitoring and prediction,optimizing risk linkage evaluation;integrating the collection process of disaster,strengthening the intelligence assessment of disaster;improving the capacity of disas-ter statistics,deepening the accuracy of damage assess,promoting greatly the disaster forecast and disaster collec-tion,validity and reliability of damage statistics,innovation leads the new normal of disaster assessment.%大数据技术及其应用，先行进入防灾减灾领域的监测、预防、报送、抗击、救助和援建整个过程，驱动灾害风险及损失的评估发生建构性变化。优化灾害风险联动评估，监测预测系统化网络化有序化，强化灾情灾需智能评估，收集流程智能化、迅捷化、可视化，深化灾害损失准确评估，规避统计中重复和矛盾现象，免除人为因素干扰，避免人财物力无谓浪费，这些都极大地促进了灾害预测、灾情收集、灾损统计的效度和信度，进一步发挥灾害评估的预测、跟踪、决策、监督等职能，引领着灾害评估新常态。
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