ASDC | STRAT_Sondes_Data

STRAT Level 2

Entry Title: STRAT Balloonsondes and Ozonesondes Data

Entry ID: STRAT_Sondes_Data_1

Field Campaigns

Description

STRAT_Sondes_Data is the balloonsonde and ozonesonde data collected during the Stratospheric Tracers of Atmospheric Transport (STRAT) campaign. Data collection for this product is complete.

The STRAT campaign was a field campaign conducted by NASA from May 1995 to February 1996. The primary goal of STRAT was to collect measurements of the change of long-lived tracers and functions of altitude, latitude, and season. These measurements were taken to aid with determining rates for global-scale transport and future distributions of high-speed civil transport (HSCT) exhaust that was emitted into the lower atmosphere. STRAT had four main objectives: defining the rate of transport of trace gases from the stratosphere and troposphere (i.e., HSCT exhaust emissions), improving the understanding of dynamical coupling rates for transport of trace gases between tropical regions and higher latitudes and lower altitudes (between tropical regions, higher latitudes, and lower altitudes are where most ozone resides), improving understanding of chemistry in the upper troposphere and lower stratosphere, and finally, providing data sets for testing two-dimensional and three-dimensional models used in assessments of impacts from stratospheric aviation.

To accomplish these objectives, the STRAT Science Team conducted various surface-based remote sensing and in-situ measurements. NASA flew the ER-2 aircraft along with balloons such as ozonesondes and radiosondes just below the tropopause in the Northern Hemisphere to collect data. Along with the ER-2 and balloons, NASA also utilized satellite imagery, theoretical models, and ground sites. The ER-2 collected data on HOx, NOy, CO2, ozone, water vapor, and temperature. The ER-2 also collected in-situ stratospheric measurements of N2O, CH4, CO, HCL, and NO using the Aircraft Laser Infrared Absorption Spectrometer (ALIAS). Ozonesondes and radiosondes were also deployed to collect data on CO2, NO/NOy, air temperature, pressure, and 3D wind. These balloons also took in-situ measurements of N2O, CFC-11, CH4, CO, HCL, and NO2 using the ALIAS. Ground stations were responsible for taking measurements of O3, ozone mixing ratio, pressure, and temperature. Satellites took infrared images of the atmosphere with the goal of aiding in completing STRAT objectives. Pressure and temperature models were created to help plan the mission.

DOI

10.5067/ASDC/SUBORBITAL/STRAT_Sondes_Data_1

Citation Styles for this Dataset

Resources and Documentation

Earthdata Forum

PROJECT HOME PAGE

ESPO Home Page for STRAT

VIEW RELATED INFORMATION

GENERAL DOCUMENTATION

STRAT Science Overview

From GCMD Science Keywords:

STATIC TEMPERATURE > SURFACE TEMPERATURE
DEWPOINT DEPRESSION > DEW POINT TEMPERATURE > SURFACE TEMPERATURE
WIND SPEED > SURFACE WINDS

Data Distribution

File Format(s):

.raob

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Spatial Information

Spatial Coverage: (S: -18.1, N: 82.6), (W: -180, E: 180)
Spatial Coverage Type: Horizontal Vertical
Coordinate System: Cartesian
Granule Spatial Representation: Cartesian

Locations

NORTH AMERICA UNITED STATES OF AMERICA CALIFORNIA NORTHERN HEMISPHERE WESTERN HEMISPHERE

Temporal Information

Temporal Coverage: 1995-04-25 - 1996-12-21

Platforms

Balloons

RADIOSONDES

Metadata Dates

Created on 2023-09-20

Last updated on 2023-11-30