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The Water Cycle By: Yao Yao and Theresa Zajac. Atmosphere Storage: 13000 km 3 Ocean Evaporation 434000 km 3 /year Ocean Evaporation 434000 km 3 /year.

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Presentation on theme: "The Water Cycle By: Yao Yao and Theresa Zajac. Atmosphere Storage: 13000 km 3 Ocean Evaporation 434000 km 3 /year Ocean Evaporation 434000 km 3 /year."— Presentation transcript:

1 The Water Cycle By: Yao Yao and Theresa Zajac

2 Atmosphere Storage: km 3 Ocean Evaporation km 3 /year Ocean Evaporation km 3 /year Lands Evaporation km 3 /year Lands Evaporation km 3 /year Precipitation to Ocean km 3 /year Precipitation to Ocean km 3 /year Precipitation to Lands km 3 /year Precipitation to Lands km 3 /year Residence Time=Amount/Flux

3 Surface water Ocean: 1370 million km 3 Ocean: 1370 million km 3 Precipitation km 3 /y Precipitation km 3 /y Runoff km 3 /y Runoff km 3 /y Evaporation km 3 /y Evaporation km 3 /y 3000 years Lakes: km 3 Lakes: km 3 Precipitation Runoff km 3 /y Precipitation Runoff km 3 /y Evaporation Runoff Evaporation Runoff 86 years Rivers: 1700 km 3 Rivers: 1700 km 3 Precipitation Runoff 6800 km 3 /y Precipitation Runoff 6800 km 3 /y Evaporation Runoff Evaporation Runoff 3 months

4 Glaciers, Ice Caps, and Permanent Snow Water source Water volume, in cubic miles Water volume, in cubic kilometers Percent of total water Ice caps, Glaciers, & Permanent snow 5,773,00024,064,0001.7% Total global water332,500,0001,386,000,000-- Source: Gleick, P. H., 1996: Water resources. In Encyclopedia of Climate and Weather, ed. by S. H. Schneider, Oxford University Press, New York, vol. 2, pp Melting km 3 /year Melting km 3 /year Ice Caps, Glacier, & Perm. Snow: 24,064,000 km 3 Ice Caps, Glacier, & Perm. Snow: 24,064,000 km years

5 Ground Water Water source Water volume, in cubic miles Water volume, in cubic kilometers Percent of total water Groundwater5,614,00023,400,0001.7% Total global water332,500,0001,386,000,000-- Source: Gleick, P. H., 1996: Water resources. In Encyclopedia of Climate and Weather, ed. by S. H. Schneider, Oxford University Press, New York, vol. 2, pp Shallow – years Deep – Up to 10,000 years


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