Results 111 to 120 of about 418,651 (259)

Multi‐Timescale Drought Evolution in Greece (1960–2022) From Station‐Based SPI and SPEI

open access: yesInternational Journal of Climatology, EarlyView.
Using homogenized data from 67 HNMS stations in Greece (1960–2022), we calculated SPI and SPEI at 1–12‐month scales to characterize meteorological to hydrological drought. We quantified the network‐based spatial extent of drought, compared SPI and SPEI drought signals, and tested changes with autocorrelation‐robust Mann–Kendall trends and Pettitt ...
Michael Samouris   +3 more
wiley   +1 more source

Revealing the characteristics and propagation patterns of hydrological drought in Sichuan using GNSS-based runoff estimates

open access: yesInternational Journal of Digital Earth
Understanding hydrological drought is vital for effective disaster mitigation and management. However, challenges like sparse hydrological monitoring stations and data acquisition present significant obstacles for studying hydrological drought in ...
Wei You   +6 more
doaj   +1 more source

Economic consequences of optimized water management for a prolonged, severe drought in California [PDF]

open access: yes, 2010
If abrupt climate change has occurred in the past and may be more likely under human forcing, it is relevant to look at the adaptability of current infrastructure systems to severe conditions of the recent past.
Olivares, MA   +15 more
core  

Machine Learning‐Based Correction of Reanalysis Surface Radiation Fluxes Using Ground‐Measured Data in the Southern Brazilian Pampa Biome

open access: yesInternational Journal of Climatology, EarlyView.
This study demonstrates that ERA5 provides more accurate surface radiation flux estimates than MERRA2 across the Southern Brazilian Pampa. Machine learning models, particularly Random Forest, further improved the precision of reanalysis data for climate applications.
Olusola Samuel Ojo   +5 more
wiley   +1 more source

Drought

open access: yes
This site, from Drought Outlook, discusses what a drought is and the different types of droughts that exist, courtesy of National Drought Mitigation Center.

core  

Intercomparison of a Regional Climate Model Ensemble for Selected European Catchments

open access: yesInternational Journal of Climatology, EarlyView.
This study analyzes a regional climate model ensemble for water cycle and water resource research with two models. Results show that ICON generally outperforms TSMP1 simulations, mainly with 2‐m temperature and precipitation. These findings serve as a baseline evaluation that shows how key structural differences influence the model skill.
Jane Leonor Roque   +10 more
wiley   +1 more source

A New Hydroclimatic Signature: Negative NAO Dominance Under Weak La Niña Conditions During the 2025–2026 Northwest Africa Floods

open access: yesInternational Journal of Climatology, EarlyView.
Conceptual hydroclimatic pathway linking the concurrent negative North Atlantic Oscillation (NAO) phase and weak La Niña conditions to extreme February rainfall and flash flooding in Northwest Africa. ABSTRACT The winter of 2025–2026 in Morocco exhibited a rapid hydroclimatic transition from prolonged drought to widespread flooding, representing an ...
Afshin Amiri   +2 more
wiley   +1 more source

A formulation for assessing the risk of anthropogenic drought based on drought characteristics and socioeconomic and physical factors

open access: yesVadose Zone Journal
Determining the contribution of human activities to drought occurrence or aggravation of drought is an essential issue in drought risk management. Drought begins under the influence of meteorological processes and propagates to hydrological drought ...
Jamal Ahmadi Lavin   +3 more
doaj   +1 more source

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