Groundwater, soil, geology and environment

The content shared this time includes 5 Most of the

>>>>   Technical specifications for groundwater environmental monitoring HJT164-2020 Detailed interpretation and Application

1、 Interpretation of terms

2、 Analysis of key points of groundwater environment monitoring points

3、 Sample collection and preservation

4、 Monitoring items and analysis methods

>>>>   Special topics on operation process and data processing of pumping and seepage test in groundwater hydrogeology survey

1、 Pumping test operation process and data processing
（ Purpose of pumping test 、 Classification of pumping test 、 Observation and record of pumping test 、 Data processing and parameter calculation of pumping test ）

2、 Operation process and numerical treatment of water seepage test
（ Purpose of water penetration test 、 Operation of water seepage test 、 Calculation of water seepage test 、）

3、 Introduction to groundwater simulation software
（ Introduction of common software for groundwater numerical simulation 、GMS The software is introduced 、Visual MODFLOW Software interface Introduction 、Visual MODFLOW Flex Software interface Introduction ）

>>>> Hydrogeological basis and modeling process of groundwater simulation and environmental assessment 、 Special courses on data requirements

1、 Introduction to basic knowledge of hydrogeology

2、 Classification of groundwater

（ diving 、 Confined water 、 Upper stagnant water 、 Pore water 、 Fissure water 、 karst water ）

3、 Characteristics of groundwater numerical simulation technology

4、 Groundwater numerical simulation steps

5、 Requirements for groundwater numerical simulation data

6、 Preparation of groundwater environmental assessment report

>>>>   Soil physical model Hydrus Model framework 、 Typical case analysis and application topics

1、Hydrus brief introduction

（Hydrus The development history 、 The main program 、 Pretreatment and post-treatment 、 Preprocessing module 、 Modeling ideas 、 Algorithm 、 Post processing module 、 Theoretical core 、 Application field ）
Related issues ：

Problems related to soil ion transport

Solute transport of groundwater pollutants

Simulate the concentration change of pollutants in the process of soil adsorption and leaching
Can one dimension simulate root microbial degradation ？

When setting the background concentration of solute in the profile in the solute transport model ‘, Is it the total solute concentration in soil or the solute concentration in pore water in soil ？

How to calculate the pollution source intensity of pure substance leakage ？ How to calculate flux ？

Unit of soil bulk density      Adsorption coefficient unit

Solute list and so on   Inside M（ uppercase m） What exactly is the unit ？ yes mg？g？mol？ Or follow mass unit Changes in settings ？

hydrus2D Do heavy metal transport , For adsorption Langmuir equation , End of experiment , Where can I see the content of heavy metals in the soil ？
Where to fill in the pollutant concentration ？ Pollutant emissions ？

The result data is not clear , Which file is the data in ？

Want to output 1D In the model profile information

Don't understand the final plot conversion

How to judge whether the simulated curve is correct

Why are the simulated curves different every time , And some graphics can't be displayed
How to apply the simulated curve to soil evaluation and analysis

How to choose the upper and lower boundary conditions in the boundary conditions of water flow ？

How to improve the accuracy of hydraulic parameter inversion results ?

There are many parameters in soil salinity simulation , Generally, which parameters need to be inversed or adjusted are more sensitive ？

No parameter selection 、 How to select parameters 、 Determination of various parameters 、 Parameter setting 、 Parameter settings such as water head 、 Solute transport model

Initial head , Parameters , The time parameter of the moisture characteristic curve will not be set

>>>>   Ecological environment impact assessment and its technical specifications （8 month 20 Japan ）

Meaning of ecological environment impact assessment

（ Environmental impact assessment 、 Ecological environment impact assessment 、 Ecological environment impact assessment ）

Technical specifications for ecological environment assessment

Evaluate workflow

Ecological environment condition index

（ Biological abundance index 、 Vegetation cover index 、 Water network density index 、 Soil stress index 、 Pollution load index 、 Environmental limit index 、 Classification of ecological environment ）

Dynamic changes of ecological environment

【 free 】 groundwater 、 soil 、 geological 、 Environment is a must learn video tutorial （500 minute ）