NASA | Dalhart, Texas 1972-2011

The video tutorial explores the agricultural fields in the Texas Panhandle, highlighting the impact of center pivot irrigation. It explains the use of false color composites to show healthy vegetation and describes the data from the electromagnetic spectrum. The video also covers different soil and vegetation types, roads leading to Dalhart, and concludes with a natural color view of the area.

What pattern is created by the center pivot irrigation in the Texas Panhandle?

• Striped pattern

• Polka-dotted pattern

• Checkerboard pattern

• Zigzag pattern

In the false color composite, what does the bright red color indicate?

• Urban areas

• Healthy vegetation

• Water bodies

• Bare soil

Which regions of the electromagnetic spectrum are used in the data to show vegetation?

• Near infrared, red, and green

• Ultraviolet, blue, and green

• X-ray, red, and blue

• Microwave, yellow, and violet

What do the green and white colors represent in the imagery?

• Water bodies

• Bare soil and sparse grasslands

• Urban development

• Dense forests

What does the 'X' in the imagery indicate?

• A river crossing

• A mountain peak

• Roads into the town of Dalhart

• A railway junction