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Investigating Terrestrial Water Storage Response to Meteorological Drought in the Canadian Prairies

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  • Mohamed Hamdi

    (Centre d’applications et de Recherches en Télédétection (CARTEL), Département de Géomatique Appliquée, Université de Sherbrooke, Sherbrooke, QC J1K 2R1, Canada)

  • Kalifa Goïta

    (Centre d’applications et de Recherches en Télédétection (CARTEL), Département de Géomatique Appliquée, Université de Sherbrooke, Sherbrooke, QC J1K 2R1, Canada)

Abstract

The Canadian Prairies region is considered a climate change hot spot due to the extreme drought events and their impacts on water resources. The overall goal of this research is to understand the linkage between meteorological droughts and Total Water Storage (TWS) variations in the Canadian Prairies. To achieve this goal, a diversified database is collected and analyzed by geostatistical tools and cross-wavelet transform approach. It concerns a multitude of climatic data (four CMIP6 multi-model datasets) and satellite observations (GRACE data). The results indicate that: (1) the models overestimate the precipitation rate over the Canadian Prairies, and the Norwegian Earth System Model version 2 (NorESM2–LM) is the most suitable model for the context of the Canadian Prairies; (2) Sen’s slope estimator of annual rainfall can reach −2.5 mm/year/year, with a decreasing magnitude of trends in the NE to SW direction; (3) the Standardized Precipitation Index (SPI) and the Modified China-Z Index (MCZI) demonstrate that, in the past, most of the climatological years were near normal with some extremely dry years (1952, 2000, 2003, and 2015) and one extremely wet year (1960); (4) the projections in the far future indicate an increase in the number of extremely dry years (2037, 2047, 2080, 2089, and 2095); (5) the combined analysis of GRACE-derived TWS and drought indices show the direct impact of the meteorological drought periods on the water resources. The TWS values decreased from 23 cm in 2002 to −54 cm in 2020, indicating a significant water reserve decline in the region. The results of this study are expected to provide a valuable perspective to understand the dynamic of hydrosystems in a climate change context in the Canadian Prairies.

Suggested Citation

  • Mohamed Hamdi & Kalifa Goïta, 2022. "Investigating Terrestrial Water Storage Response to Meteorological Drought in the Canadian Prairies," Sustainability, MDPI, vol. 14(20), pages 1-24, October.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:20:p:13216-:d:942554
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    References listed on IDEAS

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    1. Majid Niazkar & Farshad Hajizadeh mishi & Gökçen Eryılmaz Türkkan & Haitham Afan, 2021. "Assessment of Artificial Intelligence Models for Estimating Lengths of Gradually Varied Flow Profiles," Complexity, Hindawi, vol. 2021, pages 1-11, March.
    2. Mariana La Pasta Cordeiro & Gerson Cardoso Silva Junior & Claudine Pereira Dereczynski & Zelia Maria Peixoto Chrispim & Maria Teresa Condesso de Melo, 2021. "Analysis of indicators of climate extremes and projection of groundwater recharge in the northern part of the Rio de Janeiro state, Brazil," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 23(12), pages 18311-18336, December.
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