soil water budget

soil water (moisture) budget

Water Balance - Rockford, IL
Field Capacity = 90 mm
	J	F	M	A	M	J	J	A	S	O	N	D	Year
P	50	49	66	78	100	106	88	84	86	73	56	45	881
PE	0	0	5	40	84	123	145	126	85	44	8	0	531
P-PE	50	49	61	38	26	-17	-57	-42	1	29	48	45	- -
DST	0	0	0	0	0	-17	-57	-16	1	29	48	12
ST	90	90	90	90	90	73	16	0	1	30	78	90
AE	0	0	5	40	84	123	145	100	85	44	8	0
D	0	0	0	0	0	0	0	26	0	0	0	0
S	50	49	61	38	26	0	0	0	0	0	0	33

A soil water budget is an accounting of the inputs and outputs of water from the soil water (moisture) zone.

P - Precipitation
PE - Potential Evapotranspiration
DST - Change is soil moisture storage
ST - soil moisture storage
AE - actual evapotranspiration
D - deficit
S - surplus

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� 2003 - 2006 Michael Ritter (mritter@uwsp.edu)
Last Revised September 26, 2006