Browse General Resources

Browse General Resources

The Water Cycle: Following the Water
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Explore how water moves across land and returns to the ocean in the final installment of the water cycle series. The visualizations illustrate the movement of water on land—from storage of precipitation in soil layers, to its transport via rivers.
The Water Cycle: Watering the Land
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Explore how water droplets form and fall from the sky in part three of the water cycle series. Watch how water vapor moves through the atmosphere and returns to Earth as rain and snow.
The Water Cycle: Steaming the Air
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Explore water vapor in the air in part two of the water cycle series. This second part of our series on the water cycle illustrates the way in which evaporation and winds combine to move water from the ocean to the land.
Diagram which illustrates active and passive remote sensing
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This diagram illustrates the differences between active and passive remote sensing.  TRMM and GPM rely on active and passive instruments to measure the properties of precipitation from space.
image of raindrops
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Find out how scientists use the distinct sounds made underwater by different size raindrops to measure rainfall.
Icon for s'cool
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The S'COOL Project involves students (ages 5 - 20+) in real science, making and reporting ground truth observations of clouds to assist in the validation of NASA's CERES satellite instruments. Includes lesson plans and other related materials.
Farmer in a field
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One of the biggest changes to global agriculture is less about the food itself as it is about the water we use to grow it. In some areas, farmers are using freshwater resources - including groundwater - at an alarming rate.
Tropical cyclone viewed from above
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Teaches about what a tropical cyclone is, and how "Hurricane", "Typhoon", and "Cyclone" are all different words for the same phenomena.
Instrument at GCPEx
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GPM Deputy Project Scientist Gail Skofronick-Jackson discusses GPM's snowfall measurement capabilities and the challenges of measuring snow.
Thumbnail for the create a sphere resource
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An activity in which students will cut and fold paper to create a 3D sphere which displays precipitation climatology.

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