Climate Change Impacts on Agricultural Water Management
Summary
Climate change is reshaping the availability, timing and quality of water resources essential for crop production worldwide. Rising temperatures accelerate evapotranspiration, reducing soil moisture and increasing irrigation demand. Shifts in precipitation regimes favour more intense rainfall events interspersed with prolonged dry spells, heightening flood and drought risk. In many regions, traditional water-allocation systems struggle to cope with increased variability, undermining food security and rural livelihoods. Adaptive strategies encompass both technological and institutional responses: precision irrigation that matches water supply to crop requirements, improved scheduling supported by meteorological forecasting and hydrological modelling, and the development of drought indices to inform early warning. Integrating these approaches with socioeconomic considerations—such as cost-benefit analyses, stakeholder engagement and policy incentives—has become imperative. Research in this area aims to enhance the resilience of agricultural systems by optimising water-use efficiency, safeguarding yield stability and promoting equitable resource distribution under evolving climate stressors.
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Climate Change Impacts on Agricultural Water Management publication trend
The graph below shows the total number of articles in climate change impacts on agricultural water management across all publications each year (not limited to Nature Index journals).
Technical terms
Evapotranspiration: Combined process by which water is transferred from soil and plant surfaces to the atmosphere through evaporation and transpiration.
Standard Precipitation Index (SPI): A statistical measure of rainfall anomalies over specified timescales used to characterise meteorological drought.
Runoff: Portion of precipitation that flows over land surface or through subsurface pathways into rivers, lakes and reservoirs, reflecting catchment hydrological response.
References
- Evaluating Water Scarcity Indices for Cultivation Region in Sadat Al-Hindya, Babylon, Iraq: A Case Study. Engineering (2023).
- Investigation of meteorological variables on runoff archetypal using SWAT: basic concepts and fundamentals. Applied Water Science (2022).
- Developing an optimal design model of furrow irrigation based on the minimum cost and maximum irrigation efficiency. Applied Water Science (2022).
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