Hydrological Modeling of Land Use Change Impacts

Hydrological modelling of land use change impacts encompasses the development and application of computational tools to simulate how alterations in vegetation cover, soil management and urban expansion modify the movement, storage and distribution of water within catchments. By combining meteorological inputs with spatial data on topography, soil and land cover, models quantify key components such as surface runoff, evapotranspiration, percolation and streamflow. Semi‐distributed and fully distributed frameworks – as exemplified by the Soil and Water Assessment Tool (SWAT), Variable Infiltration Capacity (VIC) model and conceptual lumped approaches – enable scenario analysis under historical, present and projected land use regimes. Calibration against observed discharge and validation through split‐sample testing address uncertainty in parameter estimation and model structure. Such models underpin water resource planning, flood risk assessment and ecosystem service evaluation across scales ranging from small headwater basins to large transnational rivers. In a context of accelerating deforestation, agricultural intensification and urbanisation, hydrological modelling informs policy interventions aimed at safeguarding water security, mitigating extremes and sustaining freshwater ecosystems worldwide.

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Hydrological Modeling of Land Use Change Impacts publication trend

The graph below shows the total number of articles in hydrological modeling of land use change impacts across all publications each year (not limited to Nature Index journals).

Technical terms

Hydrological modelling: Computational simulation of water movement and storage in natural and modified landscapes.

Land use change: Modification of vegetation cover or land management practices that alters hydrological and ecological processes.

Streamflow: The volumetric flow rate of water moving through a river channel, typically expressed in cubic metres per second.

Evapotranspiration: Combined loss of water from soil and plant surfaces through evaporation and plant transpiration.

Surface runoff: Portion of rainfall or snowmelt that flows over the land surface towards streams and rivers.

Percolation: Downward movement of water through soil layers that contributes to groundwater recharge.

Water balance: Accounting framework that quantifies inputs (precipitation), outputs (runoff, evapotranspiration) and changes in storage within a catchment.

References

1. Hydrological Model Performance in the Verde River Basin, Minas Gerais, Brazil. Resources (2023).
2. Modelling the Effects of Historical and Future Land Cover Changes on the Hydrology of an Amazonian Basin. Water (2018).
3. Impact of the long-term precipitation and land use changes on runoff variations in a humid subtropical river basin of China. Journal of Hydrology Regional Studies (2022).