Evapotranspiration Estimate Guide

Workflow

1. 1

   Gather Climate Inputs

   1 hour

   Collect solar, wind, humidity, temperature.

   Pipe Sizing CalculatorHot-Water Pipe Volume and Delivery Test

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2. 2

   Apply Penman-Monteith ET₀

   1 hour

   Compute reference ET for grass surface.

   Pipe Sizing CalculatorSump Inflow and Pump Curve CalculatorSewage Ejector Flow and Basin Cycling Calculator

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3. 3

   Apply Crop Coefficients

   45 min

   Scale ET₀ by K_c for growth stage.

   Pipe Sizing CalculatorDocumented Expansion-Tank Acceptance RecordGas Pipe Sizing

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4. 4

   Compare To Soil Water Balance

   1 hour

   Reconcile ET with lysimeter data.

   Documented Expansion-Tank Acceptance RecordPipe Sizing CalculatorBackflow Preventer Sizing

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Tools Used

• Documented Water-Flow Continuity Record
  Supporting

  ET volume from rate × area.

• Pipe Sizing Calculator
  PrimaryReference

  Convert °C for radiation terms. · Irrigation water budget.

Reference Materials

• Label in Field

  Label samples immediately with date, GPS coordinates, and habitat notes.

• Chain of Custody

  Maintain sample integrity from collection through lab analysis.

• Wildlife Safety

  Know venomous species and territorial animals in your study area.

Related Scenarios

• Stream Gauging Station Guide
  HydrologyIntermediate2 tools
• Watershed Delineation Guide
  HydrologyBeginner2 tools
• Infiltration Test Guide
  HydrologyIntermediate1 tool