ASDC | ABLE-3A_TraceGas_AircraftInSitu_Electra_Data

ABLE-3 Level 2

Entry Title: ABLE-3A Electra In-Situ Trace Gas Data

Entry ID: ABLE-3A_TraceGas_AircraftInSitu_Electra_Data_1

Field Campaigns

Description

ABLE-3A_TraceGas_AircraftInSitu_Electra_Data is the in-situ trace gas data collected onboard the NASA Electra aircraft during the Arctic Boundary Layer Expedition - 3A (ABLE-3A) suborbital campaign. Data using grab samples, gas chromatography, and Laser Induced Fluorescence (LIF) are featured in this collection. Data collection for this product is complete.

From 1983-2001, NASA conducted a collection of field campaigns as part of the Global Tropospheric Experiment (GTE). Among those were the Arctic Boundary Layer Expedition (ABLE 3) campaigns. ABLE 3 was broken into two sub-campaigns: ABLE 3A and ABLE 3B. ABLE 3A took place in the Arctic and subarctic regions of North America and Greenland, while ABLE 3B took place in the north central and northeastern regions of Canada. ABLE 3 was focused on understanding the “early warning” response of the near-surface, organic, active layer to climate variability with a special emphasis placed on identifying the range of variables which might have a significant influence on the tropospheric O3 budged in the Barrow region. The ABLE 3 campaigns took place in the summer since the summer is critical to an assessment of the full impact of accumulated winter/spring pollutant loadings. Observations in the summer months could also determine if significant long-range transport and injection of pollutants occur. ABLE 3A took place July-August 1988, and ABLE 3B took place July-August 1990.

To accomplish its objectives, the ABLE 3 science team deployed the NASA Lockheed Electra aircraft on both sub-campaigns. With over 50 total flights, ABLE 3 aimed to utilize the Electra aircraft to take measurements of methane (CH4), carbon monoxide (CO), carbon dioxide (CO2), nonmethane hydrocarbons (NMHC), acetic acid (HA), formic acid (HFo), nitric oxide (NO), nitrogen dioxide (NO2), total “reactive” nitrogen gas (NOy), nitric acid (HNO3), peroxyacetyl nitrate (PAN), peroxypropionyl nitrate (PPN), ozone (O3), and aerosol chemical composition and size distribution. Onboard the Electra, airborne UV Differential Absorption Lidar (DIAL) provided remotely sense data on the two-dimensional distribution of aerosols and O3. The results of ABLE 3 indicate that atmospheric chemical changes in arctic and subarctic regions may serve as unique early warning indicators of global changes.

DOI

10.5067/ASDC/SUBORBITAL/ABLE-3A_TraceGas_AircraftInSitu_Electra_Data_1

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GENERAL DOCUMENTATION

PUBLICATIONS

ABLE-3A Overview

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From GCMD Science Keywords:

ACETYLENE > CARBON AND HYDROCARBON COMPOUNDS
CARBON AND HYDROCARBON COMPOUNDS
NITROGEN DIOXIDE > NITROGEN COMPOUNDS
NITRIC OXIDE > NITROGEN COMPOUNDS
ETHANE > CARBON AND HYDROCARBON COMPOUNDS
TRACE GASES/TRACE SPECIES
NITROGEN COMPOUNDS

Data Distribution

File Format(s):

GTE

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Spatial Information

Spatial Coverage: (S: 37.082, N: 83.332), (W: -168.402, E: -55.443)
Spatial Coverage Type: Horizontal Vertical
Coordinate System: Cartesian
Granule Spatial Representation: Cartesian

Locations

NORTH AMERICA ALASKA VIRGINIA GREENLAND WESTERN HEMISPHERE TROPOSPHERE NORTHERN HEMISPHERE

Temporal Information

Temporal Coverage: 1988-07-07 - 1988-08-18

Platforms

Propeller

NASA ELECTRA

GAS CHROMATOGRAPHS

GRAB SAMPLERS

LIF-NO

Laser Induced Fluorescence - Nitrogen Oxide

Metadata Dates

Created on 2024-07-18

Last updated on 2024-07-18