ASDC | SEAC4RS_Cloud_AircraftInSitu_DC8_Data

SEAC4RS Level 2

Entry Title: SEAC4RS DC-8 Aircraft In-Situ Cloud Data

Entry ID: SEAC4RS_Cloud_AircraftInSitu_DC8_Data_1

Clouds

Description

SEAC4RS_Cloud_AircraftInSitu_DC8_Data are in-situ cloud data collected onboard the DC8 aircraft during the Studies of Emissions and Atmospheric Composition, Clouds and Climate Coupling by Regional Surveys (SEA4CRS) airborne field study. Data collection for this product is complete.

Studies of Emissions and Atmospheric Composition, Clouds and Climate Coupling by Regional Surveys (SEAC4RS) airborne field study was conducted in August and September of 2013. The field operation was based in Houston, Texas. The primary SEAC4RS science objectives are: to determine how pollutant emissions are redistributed via deep convection throughout the troposphere; to determine the evolution of gases and aerosols in deep convective outflow and the implications for UT/LS chemistry; to identify the influences and feedbacks of aerosol particles from anthropogenic pollution and biomass burning on meteorology and climate through changes in the atmospheric heat budget (i.e., semi-direct effect) or through microphysical changes in clouds (i.e., indirect effects); and lastly, to serve as a calibration and validation test bed for future satellite instruments and missions.

The airborne observational data were collected from three aircraft platforms: the NASA DC-8, ER-2, and SPEC LearJet. Both the NASA DC-8 and ER-2 aircraft were instrumented for comprehensive in-situ and remote sensing measurements of the trace gas, aerosol properties, and cloud properties. In addition, radiative fluxes and meteorological parameters were also recorded. The NASA DC-8 was mostly responsible for tropospheric sampling, while the NASA ER-2 was operating in the lower stratospheric regime. The SPEC LearJet was dedicated to in-situ cloud characterizations. To accomplish the science objectives, the flight plans were designed to investigate the influence of biomass burning and pollution, their temporal evolution, and ultimately, impacts on meteorological processes which can, in turn, feedback on regional air quality. With respect to meteorological feedbacks, the opportunity to examine the impact of polluting aerosols on cloud properties and dynamics was of particular interest.

DOI

10.5067/ASDC/SUBORBITAL/SEAC4RS_Cloud_AircraftInSitu_DC8_Data_1

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PUBLICATIONS

SEAC4RS Draft Plan

SEAC4RS Overview Paper

SEAC4RS nasa.gov feature article

SEAC4RS/DC3 Data Management Plan

From GCMD Science Keywords:

CLOUD DROPLET CONCENTRATION/SIZE > CLOUD MICROPHYSICS
CLOUD DROPLET DISTRIBUTION
PARTICLE SIZE DISTRIBUTION > CLOUD MICROPHYSICS

Data Distribution

File Format(s):

ICARTT , PNG

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Spatial Information

Spatial Coverage: (S: 19, N: 51), (W: -126, E: -80)
Spatial Coverage Type: Horizontal Vertical
Coordinate System: Cartesian
Granule Spatial Representation: Cartesian

Locations

NORTH AMERICA UNITED STATES OF AMERICA ALABAMA COLORADO FLORIDA GEORGIA KANSAS KENTUCKY MISSISSIPPI MISSOURI NEW MEXICO OKLAHOMA TENNESSEE TEXAS NORTHERN HEMISPHERE WESTERN HEMISPHERE STRATOSPHERE TROPOSPHERE

Temporal Information

Temporal Coverage: 2013-08-02 - 2013-09-24

Platforms

Jet

NASA DC-8

NASA Douglas DC-8

2DS

2D-STEREO PARTICLE PROBE (2DS)

CPI

Cloud Particle Imager

FCDP

FAST CLOUD DROPLET PROBE (FCDP)

HVPS

High Volume Particle Sampler

Metadata Dates

Created on 2021-04-05

Last updated on 2023-06-08