Soil Moisture Data Assimilation
Using the 1D EKF

Land Surface Initialization for Seasonal-to-Interannual Prediction

Tier 1: Better Forcing

Tier 2: Assimilation

Why Assimilate?

Importance of Soil Moisture

SMMR Polarization Ratio (Mean)

SMMR Polarization Ratio (Std Dev)

Synthetic Demonstration

Mission Requirements

Moisture Retrieval Algorithm

Global Day-Time Maps

Soil Moisture Time Series: Illinois

Slide 14

Soil Moisture: Lat 50, Lon -100

Evaluation of Assimilation

Outlook