20.6. Remote Sensing and ET Estimation

Try these first

1. 1.

   What does NDVI stand for?

   Hint

   Think about vegetation assessment.

2. 2.

   What is the primary benefit of remote sensing in ET estimation?

   Hint

   Consider ground measurement limitations.

3. 3.

   What is the function of NDVI?

   • a) To measure soil moisture
   • b) To assess vegetation health
   • c) To estimate air pressure

   Hint

   Think about where it's applied.

4. 4.

   True or False: METRIC is used for high-resolution ET estimation.

   • True
   • False

   Hint

   Reflect on model characteristics.

5. 5.

   Given a dataset of surface temperatures and NDVI values over time, outline the steps you would take to estimate ET using the SEBAL model.

   Hint

   Break down the model's components.

6. 6.

   Discuss how cloud cover might impact the accuracy of ET estimations using remote sensing methods.

   Hint

   Think about visibility and data quality.