What forms of water might be found in the environment, but too little to be depicted in the Hydrologic Cycle?

Question

What forms of water might be found in the environment, but too little to be depicted in the Hydrologic Cycle?

Answer 1

here are some articles you may find interesting.

http://www.livescience.com/environment/0...

http://www.teachersdomain.org/resources/...

http://www.uwsp.edu/geo/faculty/ritter/g...

hope these help.