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Towards improved knowledge about water-related extremes based on news media information captured using artificial intelligencePita Costa, João ...Recent advances in machine learning have enabled near real-time retrieval of information from textual documents impacting a wide range of knowledge domains. This advantage makes of the insight ... extracted from text-based documents (e.g., reports and news) on water-related events an invaluable source of information that complements traditional approaches. By leveraging machine learning, we can not only characterize the event and determine its magnitude or phases of extreme weather event, but also identify its core elements. This is especially crucial in the current era of climate change, where extreme weather events such as floods or thunderstorms are becoming more frequent and unpredictable. By improving our ability to detect and analyse such events, we can enhance our alert systems and take more effective action to mitigate their impact. In this paper we discuss the role of worldwide media observation in extracting and estimating hydrological characteristi cs of floods, droughts, and heat waves, through the analysis of three case studies, complementing the information provided by traditional monitoring and measurement methods as an earlier but weaker signal. The results presented in this study indicate that the news media signal can be regarded as relatively good proxy of flood dynamics. It can capture the temporal dynamics of the event, and, in some cases, there could be a clear up to 1-day lag between the peak discharge values (i.e., the most extreme flood situation) and the peak in the number of published news. This lag can be attributed to the time needed by journalists to respond to the situation in publishing related news articles covering the event. Our result show that national and regional news can cover well local events. When compared to floods, drought conditions are less explicitly detected from the media. Our result show that European April 2022 drought did not produce much activity in the media while the combination of drought and extreme heat in July 2.Vir: International journal of disaster risk reduction [Elektronski vir]. - ISSN 2212-4209 (Vol. 100, [article no.] 104172, Jan. 2024, Str. 1-17)Vrsta gradiva - članek, sestavni del ; neleposlovje za odrasleLeto - 2024Jezik - angleškiCOBISS.SI-ID - 177466115
Avtor
Pita Costa, João |
Rei, Luis |
Bezak, Nejc, hidrologija |
Mikoš, Matjaž |
Massri, Besher M. |
Novalija, Inna |
Leban, Gregor, računalništvo
Teme
odpornost na podnebne spremembe |
spletni observatorij |
hidrometeorološki ekstremi |
umetna inteligenca |
strojno učenje |
večjezične novice |
Twitter (X) nowcasting |
tekstovno rudarjenje |
climate change resilience |
web-based observatory |
hydrometeorological extremes |
artificial intelligence |
machine learning |
multilingual news |
Twitter (X) nowcasting |
text mining
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Pita Costa, João | 35590 |
Rei, Luis | ![]() |
Bezak, Nejc, hidrologija | 35409 |
Mikoš, Matjaž | 08245 |
Massri, Besher M. | ![]() |
Novalija, Inna | 34646 |
Leban, Gregor, računalništvo | 23398 |
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