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Groundwater Recharge Rate Estimation using Unsaturated Numerical Models
Quick overview of the course
5 minute quick overview of the course
Module 1 - What is soil texture and how to determine it cost effectively?
What is soil texture triangle and how you can determine soil type from it? (2:36)
Cost efective way to determine soil type - by feel procedure (3:48)
Bonus - explanation of different aspects of porosity (11:44)
Module 2 - Soil moisture as first main quantity to measure for groundwater recharge estimation
Basis for groundwater recharge estimation - Water Content Measurement and Application (67:50)
Improving accuracy of dielectric soil moisture sensors measurements for groundwater recharge estimation (67:11)
Finnaly practical things! Field guide for instaling soil moisture sensors (8:09)
Module 3 - Water Potential, next quantity to measure to estimate groundwater recharge from precipitation
Water Potential 101 (45:59)
Water potential 202 - Measuring Water Potential in the field (51:58)
Module 4 - How to determine saturated and unsaturated hydraulic properties of soils above groundwater level in the field?
Determination of soil water retention curve (5:50)
How to use soil water retention curve to get unsaturated hydraulic parameters which we need to "feed" the mathemathical model? (4:40)
Do not have a lab to get soil retention curve? There is the software with scientific basis to get unsaturated hydraulic conductivity
Module 5 - Finally, groundwater recharge rate determination using numerical model Hydrus 1D
Intro to Hydrus 1D - unasaturated flow and transport code that is going to be used for groundwater recharge estimation (46:25)
This is finale lecture, will be held live for now, just write me on my email and we will set up 30 minute long Zoom meeting. Recording will be available soon.
How to use soil water retention curve to get unsaturated hydraulic parameters which we need to "feed" the mathemathical model?
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