System definition
Establish the source-to-root-zone boundary and operating context.
SIM Standard 0.1
A common language for irrigation performance evidence.
An open technical framework for repeatable irrigation performance evaluation.
Asset naming
Use consistent identifiers for sources, storage, pumps, zones, sensors, and runs.
Measurement units
Store original units and normalized analytical units.
Timestamp requirements
Record timezone, interval, clock source, and known gaps.
Sensor metadata
Preserve sensor type, location, calibration, range, and ownership.
Hydraulic performance
Define intended pressure, flow, storage, duty, and stability criteria.
Soil and plant response
Record soil method, depth, placement, crop context, and uncertainty.
Water accounting
Separate delivered, applied, beneficial, saved, and claimed water.
Energy accounting
Describe lift, pressure, efficiency, duty, energy source, and estimation method.
Evidence classifications
Label every material output by the evidence that supports it.
Protocol structure
Version operating objective, configuration, criteria, schedule, and required evidence.
Validation status
Use pass, warning, inconclusive, and fail without hiding incomplete data.
Reporting format
Make assumptions, methods, periods, exceptions, and results reviewable.
Data quality
Expose missingness, calibration status, resolution, and transformations.
Privacy and ownership
Define access, retention, export, sharing, and data rights.
Evidence classifications
Certainty is a field, not a tone of voice.
Directly recorded by an identified instrument or documented observation.
Derived deterministically from stated inputs and a visible method.
Produced by a model whose assumptions and version are identified.
Approximated using partial data, proxy values, or engineering judgment.
Provided by a participant without independent verification.
A claim or value whose supporting record is absent or insufficient.
Use the framework
Open Demo Workspace