What is it about?

What will happen to soil erosion and soil hydrology under various crop types and tillage systems combinations when the occurrence probability of future storm events increases under climate change? We incorporated the increasing trend of future storm frequency and adopted 25 downloaded General Circulation Models (GCMs), 29 cropping and tillage system combinations, and four carbon dioxide concentration levels to assess the potential impact of climate change on soil erosion and soil hydrology, using the Water Erosion Prediction Project (WEPP) model.

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Why is it important?

It is essential to evaluate the effects of various cropping and tillage systems on soil loss under extensive geographical conditions, as well as incorporate storm intensification in the downscaling process of future climate projections.


This study clearly illustrated the uncertainties from the precipitation projected from 25 GCMs, and surface runoff and soil loss simulated from WEPP. Proper simulation of future storm intensification is crucial to accurately evaluate the impact of climate change on soil erosion, hydrology, crop production, and land degradation.

Dr. Lifeng Yuan
USDA-ARS Grazinglands Research Lab.

Read the Original

This page is a summary of: Simulating storm intensification impact on soil erosion and soil hydrology in various cropping and tillage systems under climate change, Land Degradation and Development, April 2022, Wiley, DOI: 10.1002/ldr.4299.
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