PL デモンストレーション用浸漏計測メーター

13.1.- 水文地質学と水文地質学
DEMONSTRATION LYSIMETER - PL

革新的なシステム

The Demonstration Lysimeter, "PL", is a unit designed by EDIBON to measure the evapotranspiration using the water balance method.

一般的な説明を表示

拡張

ICAI

インタラクティブなコンピュータ支援教育ソフトウェア

研究室

13TV
 技術教育・職業教育環境実験室
13HE
 高等教育環境研究室

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概要

The Demonstration Lysimeter, "PL", is a unit designed by EDIBON to measure the evapotranspiration using the water balance method.

The unit consists of two independent lysimeters that allows the user to perform two practical exercises at the same time. Water losses or increases of the analyzed soil can be measured by two inclined-tube manometers.

Each lysimeter consists of a square-based vessel with a hydraulic device inside that, connected to the graduated tubes, allows the user to observe changes in the water level.

There is a vessel on each hydraulic device. Each vessel is filled with soil to plant the vegetation in order to analyze their evapotranspiration

Two lids are included to cover the top of the vessels, so water losses by evaporation are reduced and only transpiration is studied. ,

There is a tank and a pipe to fill the hydraulic device with water so that it transfers the pressure exerted by the weight of each vessel to both graduated tubes.

Besides, a set of weights to calibrate the manometric tubes in function of the weight change to which the hydraulic device is subjected are supplied with the unit.

演習と指導の慣行

マニュアルに含まれるガイド付き実習

  1. Study of the evapotranspiration measurement by the water-balance method.
  2. Study of a lysimeter operation.
  3. Measurement of the evapotranspiration in a grass crop.
  4. Study of the influence of the leaf size in the evapotranspiration.
  5. Study of the influence of the evaporation in the evapotranspiration.
  6. Determination of the plants water use.
  7. Study and understanding of the relationship between reference maximum transpiration and actual transpiration.

品質

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