puits (1) neige (1) ruissellement (1) recherche (1) modèle (1) météorologie (1) mesure (méthode analytique) (1) hydrologie (1) expérience scientifique (1) appareil volant (1) climat (1) instrumentation (1) Work (1) Struggle (1) Streamflow (1) Spring (1) Snow (1) Runoff (1) Research (1) Precipitation gauges (1) Meteorology (1) Measurement (1) Manufactures (1) Industrialists (1) Ice prevention and control (1) Hydrology (1) Hydrologic models (1) Freezing precipitation (1) Forecasting--Study and teaching (1) Example (1)