WATER BALANCE CALCULATIONS TABLE (moisture holding capacity of soil- 100 mm WATE

Question

WATER BALANCE CALCULATIONS TABLE (moisture holding capacity of soil- 100 mm WATER ELEMENTs JAN FEB MAR APR MAY JUN JUL AUG SEP ocm Nov DEC YEAR 89 75 85 92 119 116 98 99 103 95 89 108 19 23 50 83 125 166 182 172 135 81 39 20 PE P-PE Wet/dry AST Cum ST AE Precipitation; PE monthly Potential Evapotranspiration, AST monthly change in cum s moisture storage; storage; Evapotranspiration; monthly water cum ST Cumulative Soil moisture Deficit; s monthly water surplus; Maximum Water Holding Capacity of Soil

Explanation / Answer

Answer:

First calculate the value of P-PE from the given values, which infer about the soil is wet or dry. If value are positive this means wet soil, and if give negative value this means dry soil.

Soil moisture storage can be calculated as follows:

ST= P- E- S

Where, ST= soil moisture storage, P= precipitation, E= evaporation S= surplus(retain water in soil)

For monthly change in moisture storage, substract the present month storage from prior month storage value.

For cumulative monthly moisture storage are as follows:

For example; cumulative sum of a, b, c, d. are a, a+b, a+b+c, a+b+c+d.

Actual evapotranspiration can be calculated as follows:

AE= f * PE

Where, f= coefficient of evapotranspiration

Monthly water deficit: Actual evapotranspiration - Moisture storage

Related Questions

Navigate

• Browse (All)
• Browse W
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.