Drought and more frequent heavy rains as a result of climate change caused by humans
An international team that included two researchers from the University of Hawai’i at Mnoa and used machine learning to find that human-produced carbon dioxide emissions and climate change have already caused an increase in day-to-day rainfall fluctuations over the tropical eastern Pacific and the mid-latitudes.
Malte Stuecker, a study co-author and assistant professor at the University of Hawai’i Mnoa School of Ocean and Earth Science and Technology, stated, “Climate model projections indicate that warming will intensify rainfall variability and extremes, such as heavy rains and drought conditions, across many regions of the globe.” Be that as it may, whether these anthropogenic patterns are now noticeable in present-day precipitation perceptions has stayed a significant test because of huge regular vacillations in precipitation at territorial scales.”
The new study, which was led by Chonnam National University’s Yoo-Geun Ham and Pohang University of Science and Technology’s Seung-Ki Min, utilized a deep learning strategy to accomplish what machine learning excels at: process a lot of data and show patterns that are hard for human analysts to figure out.
The exploration group contrived a profound learning model to evaluate the connection between the force of an unnatural weather change and worldwide everyday precipitation designs from a cutting edge environment model. Then, they used data from satellite-based rainfall observations to apply the deep learning model. Since the middle of the 2010s, the findings indicated that human-caused global warming was to blame for a clear deviation from natural variability in the pattern of daily precipitation on more than half of all days.
Tim Li, co-author of the study and professor in the School of Ocean and Earth Science and Technology, stated, “Our study demonstrates for the first time that the human fingerprint is already visible in daily rainfall variability in the tropical eastern tropical Pacific and the mid-latitudes.” Due to global warming’s increased variability in precipitation, we are more likely to experience prolonged periods of dry weather in these areas. Risks like wildfires, flooding, and droughts are more likely as a result of this.
This study reveals that the impact of global warming on daily fluctuations has already emerged in these regions, including the eastern United States and Canada, despite the fact that long-term shifts in annual average rainfall remain indistinguishable from natural variability in the eastern tropical Pacific and midlatitudes.
“There is little uncertainty that future warming will worsen these patterns as these are reliable with projections that we displayed in our past work,” said Stuecker. ” In order to guide local adaptation measures, additional research is required to better comprehend the specific changes in rainfall extremes on small regional scales, such as here on the islands, in addition to reducing CO2 emissions as a mitigation measure.
