what is the second largest reservoir of water on earth? course hero
View Full Document. 17. What is the 2 nd largest reservoir in the hydrosphere, and where is it located? - Glacial ice is the second largest reservoir of water in the hydrosphere. - Most glacial ice occurs in AntarcTca and Greenland 18. IdenTfy and describe the layer of the atmosphere that interfaces directly with the ocean? - Â±he troposphere directly interfaces with the ocean and other components of the hydrosphere.