Soil Moisture

Description

Soil moisture represents the amount of water contained in the soil, expressed as a volumetric fraction. This variable is crucial for understanding plant water availability, drought conditions, runoff generation, and land-atmosphere interactions in the Amazon basin.

Specification

Labeled as SoilMoist_inst, representing instantaneous soil moisture content.

Unit: $m^3/m^3$ (cubic meters of water per cubic meter of soil)

Dimensions

1. time: Temporal dimension
2. Soil moisture profile: Vertical depth layers

Soil Moisture Profiles	Depth Range	Description
0	0–10 cm	Surface layer
1	10–40 cm	Shallow rootzone
2	40–100 cm	Intermediate rootzone
3	100–200 cm	Deep rootzone

Applications

• Agricultural drought monitoring
• Irrigation scheduling
• Flood forecasting
• Vegetation stress assessment
• Land surface modeling
• Groundwater recharge estimation