This approach is based on the electrical impedance grids for recording wetness of leaves and monitors the resistance or voltage across an intact dead oak leaf as a function of litter water content.

• 这种方法是以用于记录叶子湿度的电阻网（专业术语，请参考）为根据，他可以监测通过一个完整的干（死的）橡树叶的电阻和电压的变化来确定废弃物堆的水含量。