Improving Future U.S. Drought Assessment (2026)

Chapter: 4 Nonstationarity, Aridification, and Drought

Previous Chapter: 3 Drivers of Drought in a Changing Climate
Suggested Citation: "4 Nonstationarity, Aridification, and Drought." National Academies of Sciences, Engineering, and Medicine. 2026. Improving Future U.S. Drought Assessment. Washington, DC: The National Academies Press. doi: 10.17226/29217.
Page 55
Suggested Citation: "4 Nonstationarity, Aridification, and Drought." National Academies of Sciences, Engineering, and Medicine. 2026. Improving Future U.S. Drought Assessment. Washington, DC: The National Academies Press. doi: 10.17226/29217.
Page 56
Suggested Citation: "4 Nonstationarity, Aridification, and Drought." National Academies of Sciences, Engineering, and Medicine. 2026. Improving Future U.S. Drought Assessment. Washington, DC: The National Academies Press. doi: 10.17226/29217.
Page 57
Suggested Citation: "4 Nonstationarity, Aridification, and Drought." National Academies of Sciences, Engineering, and Medicine. 2026. Improving Future U.S. Drought Assessment. Washington, DC: The National Academies Press. doi: 10.17226/29217.
Page 58
Suggested Citation: "4 Nonstationarity, Aridification, and Drought." National Academies of Sciences, Engineering, and Medicine. 2026. Improving Future U.S. Drought Assessment. Washington, DC: The National Academies Press. doi: 10.17226/29217.
Page 59
Suggested Citation: "4 Nonstationarity, Aridification, and Drought." National Academies of Sciences, Engineering, and Medicine. 2026. Improving Future U.S. Drought Assessment. Washington, DC: The National Academies Press. doi: 10.17226/29217.
Page 60
Suggested Citation: "4 Nonstationarity, Aridification, and Drought." National Academies of Sciences, Engineering, and Medicine. 2026. Improving Future U.S. Drought Assessment. Washington, DC: The National Academies Press. doi: 10.17226/29217.
Page 61
Suggested Citation: "4 Nonstationarity, Aridification, and Drought." National Academies of Sciences, Engineering, and Medicine. 2026. Improving Future U.S. Drought Assessment. Washington, DC: The National Academies Press. doi: 10.17226/29217.
Page 62
Suggested Citation: "4 Nonstationarity, Aridification, and Drought." National Academies of Sciences, Engineering, and Medicine. 2026. Improving Future U.S. Drought Assessment. Washington, DC: The National Academies Press. doi: 10.17226/29217.
Page 63
Suggested Citation: "4 Nonstationarity, Aridification, and Drought." National Academies of Sciences, Engineering, and Medicine. 2026. Improving Future U.S. Drought Assessment. Washington, DC: The National Academies Press. doi: 10.17226/29217.
Page 64
Suggested Citation: "4 Nonstationarity, Aridification, and Drought." National Academies of Sciences, Engineering, and Medicine. 2026. Improving Future U.S. Drought Assessment. Washington, DC: The National Academies Press. doi: 10.17226/29217.
Page 65
Suggested Citation: "4 Nonstationarity, Aridification, and Drought." National Academies of Sciences, Engineering, and Medicine. 2026. Improving Future U.S. Drought Assessment. Washington, DC: The National Academies Press. doi: 10.17226/29217.
Page 66
Suggested Citation: "4 Nonstationarity, Aridification, and Drought." National Academies of Sciences, Engineering, and Medicine. 2026. Improving Future U.S. Drought Assessment. Washington, DC: The National Academies Press. doi: 10.17226/29217.
Page 67
Suggested Citation: "4 Nonstationarity, Aridification, and Drought." National Academies of Sciences, Engineering, and Medicine. 2026. Improving Future U.S. Drought Assessment. Washington, DC: The National Academies Press. doi: 10.17226/29217.
Page 68
Suggested Citation: "4 Nonstationarity, Aridification, and Drought." National Academies of Sciences, Engineering, and Medicine. 2026. Improving Future U.S. Drought Assessment. Washington, DC: The National Academies Press. doi: 10.17226/29217.
Page 69
Suggested Citation: "4 Nonstationarity, Aridification, and Drought." National Academies of Sciences, Engineering, and Medicine. 2026. Improving Future U.S. Drought Assessment. Washington, DC: The National Academies Press. doi: 10.17226/29217.
Page 70
Suggested Citation: "4 Nonstationarity, Aridification, and Drought." National Academies of Sciences, Engineering, and Medicine. 2026. Improving Future U.S. Drought Assessment. Washington, DC: The National Academies Press. doi: 10.17226/29217.
Page 71
Suggested Citation: "4 Nonstationarity, Aridification, and Drought." National Academies of Sciences, Engineering, and Medicine. 2026. Improving Future U.S. Drought Assessment. Washington, DC: The National Academies Press. doi: 10.17226/29217.
Page 72
Next Chapter: 5 Drought Assessment Data Sources and Nonstationarity
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