Lijing Han

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Questions related from Lijing Han

How to convert 3-hour precipitation data from GLDAS 2.0 into mm/day in Google earth engine?

How do I convert 3 hours of precipitation data from GLDAS 2.0 to mm/day?The data is in kg/m^2/s in GEE and I want to get the daily precipitation (mm/day). How do I do this? The data description...

25 October 2022 716 0 View

Does surface plastic film coverage reduce or increase the surface reflectance of multispectral satellites?

Plastic film tasting is used in agriculture for insulation and humidification purposes. The film is usually translucent and is applied directly to the soil. Some open crops are covered with...

02 September 2021 9,794 1 View

How to calculate the analytical solution for the HYDRUS-3D model simulation of water and salt movement in soil?

Suppose an agricultural field with uniform soil texture and salinization. The groundwater depth is 20 meters, assuming that the depth of the groundwater and the concentration of salts remain...

26 November 2020 2,851 4 View

How to convert the bulk electrical conductivity measured with EM38 into pore water electrical conductivity?

The bulk electrical conductivity (ECb) can be measured using a sensor similar to 5TE, and the ECb can be converted to pore water electrical conductivity (ECp) using Hilhorst et al. 2000....

04 June 2020 9,201 1 View

How to obtain the potential evaporation under laboratory conditions?

The experiment needs to observe the process of water and solute migration in the soil column in the laboratory and perform numerical simulation using the HYDRUS model, which requires the use of...

11 May 2020 6,612 0 View

What is the relationship between the bulk EC (ECb) and EC1: 5?

I am going to simulate the water and salt transport in the soil column using 5TE sensors. But all sensors similar to this type will encounter problems, that is, the accuracy of the measured soil...

04 May 2020 6,936 0 View