1 INTRODUCTION

2 DES Y3 REDSHIFT SCHEME

3 DATA  
3.1 DES Wide Field Survey  
3.2 DES Deep Field Survey and Artificial Wide Field Photometry  
3.3 Redshift Samples  
3.4 Simulated Galaxy Catalogues

4 SOMPZ METHODOLOGY  
4.1 Redshift Distribution Inference Formalism  
4.2 Weighting Redshift Distributions for Lensing Analyses  
4.3 Construction of Tomographic Bins  
4.4 Clustering Redshift Information  
4.5 Image Simulations and the Effect of Blending  
4.6 Shear Ratio Information

5 CHARACTERIZATION OF SOURCES OF UNCERTAINTY IN PHOTOMETRIC N(Z)  
5.1 Sample Variance and Shot Noise  
5.2 Redshift Sample Uncertainty  
5.3 Photometric Calibration Uncertainty  
5.4 Balrog Uncertainty  
5.5 SOMPZ Method Uncertainty  
5.6 Summary of Sources of Uncertainty

6 RESULTS  
6.1 Redshift Distribution Ensembles  
6.2 Consistency Of Independent Redshift Distribution Measures

7 DISCUSSION