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glm-calibration

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Calibrate GLM parameters for water temperature simulation. Use when you need to adjust model parameters to minimize RMSE between simulated and observed temperatures.

tasks/glm-lake-mendota/environment/skills/glm-calibration/SKILL.md

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# GLM Calibration Guide

## Overview

GLM calibration involves adjusting physical parameters to minimize the difference between simulated and observed water temperatures. The goal is typically to achieve RMSE < 2.0°C.

## Key Calibration Parameters

| Parameter | Section | Description | Default | Range |
|-----------|---------|-------------|---------|-------|
| `Kw` | `&light` | Light extinction coefficient (m⁻¹) | 0.3 | 0.1 - 0.5 |
| `coef_mix_hyp` | `&mixing` | Hypolimnetic mixing coefficient | 0.5 | 0.3 - 0.7 |
| `wind_factor` | `&meteorology` | Wind speed scaling factor | 1.0 | 0.7 - 1.3 |
| `lw_factor` | `&meteorology` | Longwave radiation scaling | 1.0 | 0.7 - 1.3 |