Key facts
- Manuals
- 2
- Languages
- EN
- Last added
- 2023-10-26
Featured Developmental Testbed Center manuals

EnKF v1.3 User's Guide
This User's Guide describes the fundamentals of using the Ensemble Kalman Filter (EnKF) data analysis system, version 1.3. It is geared towards beginners and covers basic skills for installing, running, diagnosing, and tuning the system. The guide explains how to obtain the source code, compile the code using various compilers, and set up input files for both regional and global configurations.
Covers: EnKF History and Background · EnKF Becomes Community Code · Software Installation · Running EnKF · EnKF Diagnostics and Tuning · Applications for Regional and Global EnKF

Developmental Testbed Center GSI Version 3.5 Advanced User’s Guide
This guide is for experienced users who have mastered the basics of GSI and need advanced knowledge for specific research topics. It covers software installation, theory, code structure, and detailed data assimilation methods including satellite and radar data. Unlike the basic GSI guide, this one is updated as needed and may not match the latest code release. It includes chapters on background error covariance, observation processing, and operational applications like RTMA analysis. Contributions from users and developers are welcomed to improve the guide.
Covers: Software Installation · Advanced Topics on Run and Diagnosis · GSI Theory · GSI Code Structure · Static Background Error Covariance · Observations
Latest Developmental Testbed Center manuals
EnKF v1.3 User's Guide
User Manual 87 pages · 707 KB · ENUser's Guide for the Ensemble Kalman Filter (EnKF) data analysis system version 1.3, covering installation, configuration, running, and diagnostics.
Developmental Testbed Center GSI Version 3.5 Advanced User’s Guide
User Manual 124 pages · 4.8 MB · ENAdvanced user guide for GSI Version 3.5, covering installation, theory, code structure, and data assimilation for research and operational use.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in Developmental Testbed Center manuals
Who manages the EnKF code and user support?
The Developmental Testbed Center (DTC) manages the EnKF code and its user support in collaboration with major development groups.
From: EnKF v1.3 User's Guide
How can users get help with EnKF?
Users can send questions and comments to the EnKF help desk at [email protected].
From: EnKF v1.3 User's Guide
What is the intended audience for this Advanced User's Guide?
This document is designed for experienced users who have already mastered the fundamental portion of GSI and wish to apply it to specific research topics.
From: Developmental Testbed Center GSI Version 3.5 Advanced User’s Guide
What prior knowledge is required before reading this guide?
Users must already read and understand the content found in the basic GSI User's Guide.
From: Developmental Testbed Center GSI Version 3.5 Advanced User’s Guide
