Strahler Stream Order Pair Merge Resolver

Resolve Strahler order for an explicitly established two-stream confluence; no network delineation.

Description

Strahler Stream Order Pair Merge Resolver: return merged order.

Strahler stream order increases when two streams of equal order merge. When their orders differ, the larger order continues.

This tool returns merged order. Use the stated units and model convention when interpreting these fields.

When to use this tool

Use this tool when the supplied inputs match the specific operation described above and you need a repeatable result under its stated convention.

  • Check the supported input and output contract against an existing calculation or observation.
  • Use the complete example to confirm units, selector spelling and result interpretation.

How to use the tool and how it works

  1. Enter every field in the input table using the stated units and the exact supported selector spelling where applicable.
  2. Run the tool. Correct input errors before interpreting an output.
  3. Read the result fields below; use accompanying flags and the stated sign, boundary or model convention when interpreting a number.

Require positive bounded integer orders. Return order plus one when equal; otherwise return the larger order.1

Input fieldMeaning and unitsAccepted input
orderAOrder a.Integer; from 1 to 1000 inclusive
orderBOrder b.Integer; from 1 to 1000 inclusive
Output fieldInterpretation
resultObject containing the following named result fields.
result.mergedOrderMerged order; use the stated units and sign convention.
json
{
  "input": {
    "orderA": 2,
    "orderB": 2
  },
  "output": {
    "result": {
      "mergedOrder": 3
    }
  }
}

Limitations and assumptions

  • The tool resolves one declared pair and does not derive a drainage network from terrain.
  • Every declared field is required and unexpected fields are rejected. Numeric inputs must be finite; input errors are distinct from a valid false result or an explicitly qualified output.
  • Extremely large inputs and nonfinite or excessively large outputs are rejected. List positions reported by the tool use zero-based indices unless stated otherwise.

Alternative or Complementary methods

Check the underlying observations, units and conventions independently before using the result in a larger workflow. The tools listed below address nearby tasks; compare their inputs and scope before substituting one for this operation.

References

  1. Tool behavior and example: Strahler Stream Order Pair Merge Resolver — tool.io

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