MANTRA

Middle Atmosphere Nitrogen TRend Assessment

A Balloon Mission to Investigate Changes in the Odd-Nitrogen Budget of the Stratosphere

Mission Description Document

July, 1997


Principal Investigator:

Co-Investigators:

In Collaboration With:


PART ONE: SCIENTIFIC ISSUES

Abstract
1.1 Scientific Objectives
1.1.1 Introduction
1.1.2 Historical Perspective
1.1.3 Scientific Goals
1.1.4 Experimental Methods
1.2The Science Team
1.2.1 Principal Investigator Kimberly Strong
1.2.2 Co-Investigator James R. Drummond
1.2.3 Co-Investigator John C. McConnell
1.2.4 Co-Investigator C. Thomas McElroy
1.2.5 Co-Investigator Brian H. Solheim
1.2.6 Collaborating Partner Frank J. Murcray
1.3The Scientific Context
1.4Related Modelling Studies
1.4.1 Photochemical Modelling
1.4.2 Data Assimilation of Ground-Based and Balloon Measurements
1.4.3 Current Modelling Work
1.5Supporting Ground-Based Measurements
1.5.1 University of Toronto Zenith-Sky Grating Spectrometer
1.5.2 AES Photodiode Array Spectrometer
1.5.3 AES Brewer Spectrophotometer
1.5.4 AES Ozonesondes and Radiosondes
1.6Data Analysis
1.6.1 Balloon-Borne Instruments
1.6.2 Ground-Based Instruments

PART TWO: TECHNICAL ISSUES

2.1Mission Overview and SPP Objectives
2.2Science Requirements
2.3Instrument Description
2.3.1 AES NO2 Spectrophotometer
2.3.2 AES HNO3 Radiometer
2.3.3 AES Photodiode Array Spectrometer
2.3.4 ISTS/York University Acousto-Optic Tunable Filter Spectrometer
2.3.5 University of Denver High-Resolution Interferometer
2.3.6 The Ground-Based Instruments
2.4Payload Description
2.5Facilities Description
2.6Calibration
2.6.1 Calibration: AES NO2 Spectrophotometer
2.6.2 Calibration: AES HNO3 Radiometer
2.6.3 Calibration: AES Photodiode Array Spectrometer
2.6.4 Calibration: ISTS/York University Acousto-Optic Tunable Filter Spectrometer
2.6.5 Calibration: University of Denver High-Resolution Interferometer
2.7Launch Requirements
2.8Operations Requirements
2.9Schedule and Milestones
2.10Risk Analysis
2.11Management Plan
References
Appendix A. MANTRA Phase Two: A Second Balloon Flight

Created: 17 September 1997
Last updated: 27 October 1997
Created by: B. Tolton, K. Strong