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Updated: Sep 5, 2025
12:44
Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
8.1K
Spatial based drought assessment: Where are we heading? A review on the current status and future
Abhirup Dikshit1, Biswajeet Pradhan2, Alfredo Huete3
1Centre for Advanced Modelling and Geospatial Information Systems (CAMGIS), School of Civil and Environmental Engineering, University of Technology Sydney, NSW 2007, Australia.
The Science of the Total Environment
|July 11, 2022
Summary
This study reviews spatial methods for drought analysis, crucial for understanding and managing these complex natural hazards exacerbated by climate change. It highlights advances in drought detection, modeling, and mitigation across various scales.
Area of Science:
- Environmental Science
- Climate Science
- Geospatial Analysis
Background:
- Droughts are complex natural hazards with global impacts, intensified by climate change.
- Investigating droughts involves multifaceted factors: detection, assessment, modeling, management, and mitigation.
- Quantitative drought assessments have seen significant recent advancements.
Purpose of the Study:
- To review recent spatial methods for examining and modeling droughts.
- To evaluate how spatial methods advance drought understanding across point-wise, regional, and global scales.
- To synthesize quantitative techniques for assessing drought's spatial characteristics and identify knowledge gaps.
Main Methods:
- Review of recent quantitative techniques for drought analysis.
- Spatial analysis conducted at point-wise, regional, and global scales.
- Evaluation of case studies on drought occurrences under climate change.
Main Results:
- Recent spatial methods have significantly advanced the understanding of drought characteristics.
- Case studies demonstrate the application and impact of spatial drought analysis.
- The review synthesizes techniques for assessing spatial drought features at multiple scales.
Conclusions:
- New spatial concepts offer key advances over traditional drought study approaches.
- Understanding drought spatial characteristics is crucial for effective management and mitigation.
- Further research is recommended to address identified knowledge gaps in drought science.
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