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Title: Multidimensional risk in a nonstationary climate: Joint probability of increasingly severe warm and dry conditions

Journal Article · · Science Advances
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [4]; ORCiD logo [5]
  1. Stanford Univ., CA (United States). Dept. of Earth System Science; Stanford Univ., CA (United States). Woods Inst. for the Environment; DOE/OSTI
  2. Univ. Carlos III de Madrid (Spain). Dept. of Statistics; Univ. Carlos III de Madrid (Spain). UC3M-BS Inst. of Financial Big Data
  3. Univ. Carlos III de Madrid (Spain). Dept. of Statistics
  4. Stanford Univ., CA (United States). Dept. of Earth System Science
  5. Stanford Univ., CA (United States). Dept. of Earth System Science; Stanford Univ., CA (United States). Woods Inst. for the Environment

We present a framework for quantifying the spatial and temporal co-occurrence of climate stresses in a nonstationary climate. We find that, globally, anthropogenic climate forcing has doubled the joint probability of years that are both warm and dry in the same location (relative to the 1961–1990 baseline). In addition, the joint probability that key crop and pasture regions simultaneously experience severely warm conditions in conjunction with dry years has also increased, including high statistical confidence that human influence has increased the probability of previously unprecedented co-occurring combinations. Further, we find that ambitious emissions mitigation, such as that in the United Nations Paris Agreement, substantially curbs increases in the probability that extremely hot years co-occur with low precipitation simultaneously in multiple regions. Our methodology can be applied to other climate variables, providing critical insight for a number of sectors that are accustomed to deploying resources based on historical probabilities.

Research Organization:
Stanford Univ., CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
SC0010687
OSTI ID:
1626001
Journal Information:
Science Advances, Journal Name: Science Advances Journal Issue: 11 Vol. 4; ISSN 2375-2548
Publisher:
AAASCopyright Statement
Country of Publication:
United States
Language:
English

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Amplified Rossby waves enhance risk of concurrent heatwaves in major breadbasket regions journal December 2019
Food system collapse journal December 2019
The consumptive water footprint of the European Union energy sector journal October 2019
Reproductive success of Eastern Bluebirds (Sialia sialis) varies with the timing and severity of drought journal August 2019
Concurrent 2018 Hot Extremes Across Northern Hemisphere Due to Human-Induced Climate Change text January 2019
Concurrent 2018 Hot Extremes Across Northern Hemisphere Due to Human‐Induced Climate Change text January 2019