1 / 2

Understanding Soil Water: Types, Influencing Factors, and Measurement Techniques

This article explores the relationship between soil water and soil types, focusing on the groundwater table's influence on soil moisture. Key processes affecting soil moisture include infiltration, while various factors like soil properties (depth, texture, structure), climate influences (rain, evaporation), and land use practices play crucial roles. We also discuss the different types of soil moisture and outline measurement methods such as gravimetric, nuclear, tensionmeter, and electrical resistance techniques, providing insight into the complex dynamics of soil hydration.

favian
Télécharger la présentation

Understanding Soil Water: Types, Influencing Factors, and Measurement Techniques

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 6.3 น้ำในดิน (Soil Water) - อยู่เหนือ water table- มีความสัมพันธ์กับชนิดของดินมาก- กระบวนการท่ผลต่อความชื้นในดินที่สำคัญคือ infiltration 6.4 ปัจจัยที่มีผลต่อความชื้นในดิน Depth of WT.Physical propertiesOM. PorosityTextureStructure 1. Soil properties2. Climate Rain/Et/Wind/Solar radiation3. Location/Geology/Geography/Topography4. Land Use Activities (plant) Covers

  2. MWHCFC……………..add 1/3 atmWP…………… 15 atmAW = FC - WPGravitational Water 6.5 ประเภทความชื้นในดิน 6.6 วิธีการวัดความชื้นในดิน 1. Gravimetric Method ( Pw อบดิน 105-1100C 24 hrs.)2. Nuclear method (PV)3. Tensionmeter …… ใช้ปักไว้ในดินกับแปลงทดลอง 4. Electrical Resistance Method

More Related