## 2.7.2. Surface Runoff, Surface Water Storage, and Infiltration[¶](#surface-runoff-surface-water-storage-and-infiltration "Permalink to this headline")
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The moisture input at the grid cell surface,\\(q\_{liq,\\, 0}\\), is the sum of liquid precipitation reaching the ground and melt water from snow (kg m\-2 s\-1). The moisture flux is then partitioned between surface runoff, surface water storage, and infiltration into the soil.

