Which of the following would be best used to study the drought conditions in a region? a. satellite imagery Selected:b. ground truthingThis answer is incorrect. c. water witching d. GPS
Which of the following would be best used to study the drought conditions in a
region?
a. satellite imagery
Selected:b. ground truthingThis answer is incorrect.
c. water witching
d. GPS
EXPLANATION
option a satellite imagery is used for tracking and measuring human and natural activity across the Earth.
option b Ground truth is a term used in statistics and machine learning that means checking the results of machine learning for accuracy against the real world. data collected at a distance are confirmed by measurements made on location. Those local measurements are used to calibrate remote sensing devices, verify or correct experimental inferences, and update geographic databases.
option c Water witching is a tool that helps you find water underground
option d The Global Positioning System (GPS) is a U.S.-owned utility that provides users with positioning, navigation, and timing (PNT) services.
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