Fusing remote and social sensing data for flood impact mapping

The absence of comprehensive situational awareness information poses a significant challenge for humanitarian organizations during their response efforts. We present Flood Insights, an end‐to‐end system, that ingests data from multiple nontraditional data sources such as remote sensing, social sensi...

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Published in:The AI magazine 2024-12, Vol.45 (4), p.486-501
Main Authors: Akhtar, Zainab, Qazi, Umair, El‐Sakka, Aya, Sadiq, Rizwan, Ofli, Ferda, Imran, Muhammad
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container_issue 4
container_start_page 486
container_title The AI magazine
container_volume 45
creator Akhtar, Zainab
Qazi, Umair
El‐Sakka, Aya
Sadiq, Rizwan
Ofli, Ferda
Imran, Muhammad
description The absence of comprehensive situational awareness information poses a significant challenge for humanitarian organizations during their response efforts. We present Flood Insights, an end‐to‐end system, that ingests data from multiple nontraditional data sources such as remote sensing, social sensing, and geospatial data. We employ state‐of‐the‐art natural language processing and computer vision models to identify flood exposure, ground‐level damage and flood reports, and most importantly, urgent needs of affected people. We deploy and test the system during a recent real‐world catastrophe, the 2022 Pakistan floods, to surface critical situational and damage information at the district level. We validated the system's effectiveness through various statistical analyses using official ground‐truth data, showcasing its strong performance and explanatory power of integrating multiple data sources. Moreover, the system was commended by the United Nations Development Programme stationed in Pakistan, as well as local authorities, for pinpointing hard‐hit districts and enhancing disaster response.
doi_str_mv 10.1002/aaai.12196
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title Fusing remote and social sensing data for flood impact mapping
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