You might get useful information from:

Article Estimates of the Global Water Budget and Its Annual Cycle Us...

Agreed with Seung reference. Please refer :

Kevin E Trenberth and others, 2007. Water budget and its annual cycle using observational and model data. Journal of Hydrometererology volume 8 issue 4, 758-769. This paper available on line also.

https://www.sciencedirect.com/search?qs=Global%20water%20budget%20uncertainty&show=25&sortBy=relevance

Apparently there are not as many publications on ocean water budget as on terrestrial water budget though ocean has the largest storage. I'd like to to discuss more on ocean water budget if possible, then we can move to other components.

Dear Chang,

You can use below links:

1)

https://www.sciencedaily.com/releases/2012/06/120613102251.htm

2)

https://www.google.no/url?sa=t&source=web&rct=j&url=https://people.eecs.ku.edu/~jrmiller/Papers/MVUinGWBM.pdf&ved=2ahUKEwjt9OT4p-fdAhVFU1AKHcw6AmcQFjAMegQIBxAB&usg=AOvVaw25T5cHWFLOZLJU_xTFnj3R

3)

https://www.google.no/url?sa=t&source=web&rct=j&url=https://water.usgs.gov/watercensus/AdHocComm/Background/WaterBudgets-FoundationsforEffectiveWater-ResourcesandEnvironmentalManagement.pdf&ved=2ahUKEwjt9OT4p-fdAhVFU1AKHcw6AmcQFjALegQICRAB&usg=AOvVaw0ovI1rQNxLzG_AoHjIQtZs

4)

https://www.google.no/url?sa=t&source=web&rct=j&url=https://www.tandfonline.com/doi/pdf/10.1623/hysj.50.1.45.56334&ved=2ahUKEwjt9OT4p-fdAhVFU1AKHcw6AmcQFjAKegQICBAB&usg=AOvVaw2Dp-BHTy1qcH2zy2RQ6JZx