Donghao Ma

Title: Innovations of Donghao Ma in Soil Hydraulic Properties

Introduction

Donghao Ma is an accomplished inventor based in Nanjing, China. He has made significant contributions to the field of soil hydraulic properties, holding 2 patents that enhance the understanding and measurement of soil behavior under various conditions.

Latest Patents

One of his latest patents is titled "Method for quickly acquiring soil hydraulic properties in situ based on ponded infiltration experiment." This innovative method utilizes a novel derivation technique based on Richards' equation and the Brooks-Corey model. It provides an analytical solution that accurately describes one-dimensional infiltration into homogeneous soil under ponded conditions. This method offers a detailed description of the developing saturated zone in the soil water profile, which is crucial for understanding infiltration characteristics. It also proposes an optimized estimation method for parameters, allowing for quick acquisition of soil hydraulic properties in situ by measuring cumulative infiltration and the length of the wetting front over time.

Another significant patent is "Method for predicting soil hydraulic properties based on upward infiltration experiment of cutting ring soil sample." This method addresses the limitations of prior art by providing a more efficient approach to measuring soil hydraulic properties. By recording data on cumulative infiltration amounts and times during the upward infiltration process, it allows for the quick determination of saturated hydraulic conductivity and other soil hydraulic properties. This innovation improves the efficiency of acquiring soil hydraulic properties, making it suitable for large area investigations in the field.

Career Highlights

Donghao Ma is affiliated with the Chinese Academy of Sciences, where he conducts research and develops innovative methods for soil analysis. His work has significantly advanced the field, providing effective means for investigating soil hydraulic properties.

Collaborations

He collaborates with notable colleagues such as Sicong Wu and Jiabao Zhang, contributing to the collective knowledge and advancements in soil science.

Conclusion

Donghao Ma's innovative methods for measuring soil hydraulic properties represent a significant advancement in the field of soil science. His contributions are vital for improving efficiency in soil analysis and understanding soil behavior in various conditions.