ASDC | ABLE-2A_MetNav_AircraftInSitu_Electra_Data

ABLE-2 Level 2

Entry Title: ABLE-2A Electra Meteorological and Navigational Data

Entry ID: ABLE-2A_MetNav_AircraftInSitu_Electra_Data_1

Field Campaigns

Description

ABLE-2A_MetNav_AircraftInSitu_Electra_Data is the in-situ meteorology and navigational data collected onboard the NASA Electra aircraft during the Amazon Boundary Layer Experiment - 2A (ABLE-2A) suborbital campaign. 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 Amazon Boundary Layer Experiment (ABLE 2) campaigns. ABLE 2 was divided into two sub-campaigns, ABLE 2A (dry season) and ABLE 2B (wet season). ABLE 2A took place from July-August 1985, while ABLE 2B took place from April-May 1987. The goal of ABLE 2 was to better understand the role of tropics in global atmospheric chemistry and investigate processes which might lead to the enhanced concentrations of carbon monoxide (CO) in the tropical upper troposphere. ABLE 2 was a partnership with NASA and the Brazilian agency, Instituto Nacional de Pesquisas Espaciais (INPE), along with the Instituto Nacional de Pesquisas da Amazonia (INPA) providing facilities and logistical information.

To accomplish its objectives, the ABLE 2 science team deployed the NASA Lockheed Electra aircraft, balloons, and free-flying sondes. Flights took place over the Amazon region in Brazil for both sub-campaigns. ABLE 2A consisted of 15 flights while ABLE 2B consisted of 21 flights with the fully equipped Electra. For most ABLE 2A flights, the data collected included in-situ measurements of CO2, CO, MHC, NO (nitric oxide), N2O, O3, DMS (dimethyl sulfide), aerosol composition, and meteorological parameters. ABLE 2B had the Electra instrumented with remote and in-situ techniques for measuring the atmospheric distribution of a variety of carbon, nitrogen, and sulfur gases; aerosol size and composition; and to measure ozone. The typical approach to flights involved high-altitude passes over research areas using the downward facing UV Differential Absorption Lidar (DIAL). The ABLE 2 campaign represents a modest advance in understanding the influence of the tropical rain forest ecosystem on the chemistry of the troposphere. Detailed descriptions related to the motivation, implementation, and instrument payloads are available in the ABLE 2A overview paper and the ABLE 2B overview paper. A collection of the publications based on ABLE 2A and 2B observation are available in the Journal of Geophysical Research special issues: Global Tropospheric Experiment/Chemical Instrumentation Test and Evaluation Results (GTE/ABLE 2A) and The Amazon Boundary Layer Experiment 2B.

DOI

10.5067/ASDC/SUBORBITAL/ABLE-2A_MetNav_AircraftInSitu_Electra_Data_1

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GENERAL DOCUMENTATION

PUBLICATIONS

ABLE-2A Overview

ABLE-2A Publications

From GCMD Science Keywords:

STATIC PRESSURE
WIND DIRECTION > SURFACE WINDS
WIND SPEED > SURFACE WINDS
DEW POINT TEMPERATURE > SURFACE TEMPERATURE
AIRSPEED/GROUND SPEED
PLATFORM CHARACTERISTICS
STATIC TEMPERATURE > SURFACE TEMPERATURE

Data Distribution

File Format(s):

GTE

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Spatial Information

Spatial Coverage: (S: -7.2, N: 37.1), (W: -76.3, E: -47.48)
Spatial Coverage Type: Horizontal Vertical
Coordinate System: Cartesian
Granule Spatial Representation: Cartesian

Locations

SOUTH AMERICA AMAZONIA BRAZIL SOUTHERN HEMISPHERE WESTERN HEMISPHERE TROPOSPHERE

Temporal Information

Temporal Coverage: 1985-07-11 - 1985-08-15

Platforms

Propeller

NASA ELECTRA

TAMMS

Turbulent Air Motion Measurement System

Metadata Dates

Created on 2024-07-18

Last updated on 2024-07-18