List of all Hydrosphere Maps, Data, and Models

A Map of Freshwater

Freshwater is found in lakes, rivers, soil, snow, groundwater and ice, and is one of the most essential of Earth's resources, for drinking water and agriculture. However, the distribution of freshwater around the planet is changing.

Featured Phenomenon: Sea Level Change

In some parts of the world sea levels are increasing, while decreasing in others, and remain relatively flat in a few places; for more than 20 years, NASA has been tracking the global surface topography of the ocean to understand the important role it plays in our daily lives. 

Seasonal Sea Surface Temperatures

Sea surface temperature is a measure of the temperature of the very top layer of water. Scientists are not able to put a thermometer into every part of the ocean on Earth to measure its temperature.

Sea Level Rise

Students explore the effects of ice sheets on global sea level focused using NASA data.  Using the resources provided, students collaborate and communicate their findings in a jig-saw activity format.

Monthly changes in gravity affect sea level

An animation showing “sea level fingerprints,” or patterns of rising and falling sea levels across the globe in response to changes in Earth’s gravitational and rotational fields. Major changes in water mass can cause localized bumps and dips in gravity, sometimes with counterintuitive effects.

Rising Seas By Decade

For over 20 years, satellite altimeters have measured the sea surface height of our ever-changing oceans.  This series of images shows the complicated patterns of rising and falling ocean levels across the globe from 1993 to 2015.

Sea Level

The Earth's system exemplifies stability and change. Change and rates of change can be observed and quantified over very short or long periods of time and various spatial scales (e.g., from landscape level to global processes).