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Analyzing monthly environmental data from the North Atlantic Ocean will help you to learn more about how the water cycle affects sea surface salinity. Your challenge is to find the data set that most closely corresponds to sea surface salinity patterns.

Soil moisture is the water that is held in the spaces between soil particles, generally in the upper 10 cm of soil.  Although soil moisture is just a fraction of the total water mass in the water cycle, this small amount of water plays a critical role in evaporation and plant transpiration proces

The Hydrosphere is associated with water in the liquid state, which covers about 70% of the Earth's surface. Most liquid water is found in the oceans.

The Earth System interacts with the Hydrosphere in the following ways: 

Links between other Spheres and the Hydrosphere

Two characteristics of climate change are resulting in sea level rise. First, the melting of ice sheets and glaciers on land are adding more water to the oceans.

Understanding Sea Level

Learn more about the different causes of sea level change and the scientific background of observations and projecting sea level.

Life. It's the one thing that, so far, makes Earth unique among the thousands of other planets we've discovered. Since the fall of 1997, NASA satellites have continuously and globally observed all plant life at the surface of the land and ocean. During the week of Nov.