NASA / USGS | Landsat: A Space Age Water Gauge

The video discusses the critical role of water in the Western United States, where agriculture consumes the majority of diverted water. It highlights the challenges of measuring water usage and introduces the innovative use of Landsat satellites for remote sensing. These satellites provide valuable data on evapotranspiration, helping to manage water resources more effectively. The video emphasizes the importance of satellite technology in addressing future water scarcity due to climate change and population growth, showcasing its potential to improve water management and sustainability.

What is the primary use of water in the western United States?

• Agriculture

• Recreational activities

• Industrial use

• Drinking

How do Landsat satellites help in understanding water usage in agriculture?

• By measuring soil moisture directly

• By analyzing weather patterns

• By capturing visible light images

• By using thermal imaging to detect evapotranspiration

What phenomenon is used to measure water usage through thermal imaging?

• Precipitation

• Condensation

• Photosynthesis

• Evapotranspiration

What advantage does Landsat offer in measuring water consumption?

• It can measure water levels in oceans

• It provides high spatial resolution to discern individual fields

• It can predict future rainfall

• It offers real-time data updates

How has Landsat technology impacted water rights management?

• By increasing water consumption

• By helping settle water rights conflicts in court

• By reducing the need for water rights

• By eliminating the need for irrigation