Height dependent aerosol optical depth in the spectral range from 350 nm - 1050 nm in March / April 2022 during HALO-AC3 2022
type: Dataset
conforms to: http://mlcommons.org/croissant/1.0
creator: Andreas Herber
publisher: PANGAEA
  type: Organization
  disambiguating description: Data Publisher for Earth & Environmental Science
included in data catalog: PANGAEA
  type: DataCatalog
  disambiguating description: Data Publisher for Earth & Environmental Science
date published: 2026-07-06
additional type: dataset
description: During the HALO-AC3 2022 (HALO – Arctic Amplification) campaign, conducted in March and April 2022 in the vicinity of Svalbard height dependent aerosol optical depth (AOD) in the spectral range from 350 nm to 1050 nm with the airborne Sun photometer SPTA were measured. Observations were performed on board of the Alfred-Wegener-Institute research aircraft Polar 5 during 10 flights between the 20 Mach 2022 up to 07 April 2022 with the operation base Longyearbyen (78° 13′ N, 15° 38′ E). Based on the height dependent aerosol optical depth for four selected wavelengths (414 nm, 496 nm, 861 nm, 1026 nm) and the Ångström parameter Alpha (spectral slope) and Beta (AOD at 1000 nm) between 27 m and 3070m the extinction coefficient (AOD per kilometer) can be calculated for selected wavelengths, for example for LIDAR or satellite comparison and validation. For special comparison is also the height angle pf the Sun included.
abstract: During the HALO-AC3 2022 (HALO – Arctic Amplification) campaign, conducted in March and April 2022 in the vicinity of Svalbard height dependent aerosol optical depth (AOD) in the spectral range from 350 nm to 1050 nm with the airborne Sun photometer SPTA were measured. Observations were performed on board of the Alfred-Wegener-Institute research aircraft Polar 5 during 10 flights between the 20 Mach 2022 up to 07 April 2022 with the operation base Longyearbyen (78° 13′ N, 15° 38′ E). Based on the height dependent aerosol optical depth for four selected wavelengths (414 nm, 496 nm, 861 nm, 1026 nm) and the Ångström parameter Alpha (spectral slope) and Beta (AOD at 1000 nm) between 27 m and 3070m the extinction coefficient (AOD per kilometer) can be calculated for selected wavelengths, for example for LIDAR or satellite comparison and validation. For special comparison is also the height angle pf the Sun included.
citation: Polar aircraft Polar5 and Polar6 operated by the Alfred Wegener Institute
citation: A comprehensive in situ and remote sensing data set from the Arctic CLoud Observations Using airborne measurements during polar Day (ACLOUD) campaign
spatial coverage: Place
  geo: GeoShape
    box: 78.235 -1.118 81.536 16.562
temporal coverage: 2022-03-20T15:15:40/2022-04-07T13:35:00
funding: HALO_2022
  type: MonetaryGrant
  funder: Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
funding: TRR 172: ArctiC Amplification: Climate Relevant Atmospheric and SurfaCe Processes, and Feedback Mechanisms
  type: MonetaryGrant
  funder: German Research Foundation
size: QuantitativeValue
  value: 450.0
  unit text: data points
variable measured: Event label
variable measured: Identification
variable measured: DATE/TIME
  type: PropertyValue
  subject of: DefinedTermSet
    has defined term: Time
variable measured: ALTITUDE
  type: PropertyValue
  unit text: m
  subject of: DefinedTermSet
    has defined term: Length
variable measured: LATITUDE
variable measured: LONGITUDE
variable measured: Aerosol optical thickness at 414 nm
  type: PropertyValue
  measurement technique: Airborne Sun Photometer, Dr. Schulz & Partner GmbH, SP1A
variable measured: Aerosol optical thickness at 496 nm
  type: PropertyValue
  measurement technique: Airborne Sun Photometer, Dr. Schulz & Partner GmbH, SP1A
variable measured: Aerosol optical thickness at 861 nm
  type: PropertyValue
  measurement technique: Airborne Sun Photometer, Dr. Schulz & Partner GmbH, SP1A
variable measured: Aerosol optical thickness at 1026 nm
  type: PropertyValue
  measurement technique: Airborne Sun Photometer, Dr. Schulz & Partner GmbH, SP1A
variable measured: Spectral slope
  type: PropertyValue
  measurement technique: Airborne Sun Photometer, Dr. Schulz & Partner GmbH, SP1A
  description: Alpha value
variable measured: Aerosol optical thickness at 1000 nm
  type: PropertyValue
  measurement technique: Airborne Sun Photometer, Dr. Schulz & Partner GmbH, SP1A
  description: Beta value
variable measured: Sun elevation
  type: PropertyValue
  unit text: deg
  subject of: DefinedTermSet
    has defined term: Angle
    has defined term: Plane Angle
variable measured: Comment
  type: PropertyValue
  description: 1=measurement of cloud residuals; 0=measurement of AOD during clear sky conditions
keywords: aerosol optical depth; Airborne Sun photometer; Atmospheric aerosol
license: https://creativecommons.org/licenses/by/4.0/
conditions of access: access rights needed
is accessible for free: false
language: en
distribution: data matrix.tab
distribution: FileObject
  type: DataDownload
  encoding format: text/html

Andreas Herber
type: Person
family name: Herber
given name: Andreas
affiliation: Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven

Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
type: Organization
alternate name: AWI

Polar aircraft Polar5 and Polar6 operated by the Alfred Wegener Institute
type: CreativeWork
type: ScholarlyArticle
creator: Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung
date published: 2016
pagination: A87
is part of: Journal of large-scale research facilities JLSRF
  type: Periodical
  type: PublicationVolume
  volume number: 2
additional type: journal article

A comprehensive in situ and remote sensing data set from the Arctic CLoud Observations Using airborne measurements during polar Day (ACLOUD) campaign
type: CreativeWork
type: ScholarlyArticle
creator: André Ehrlich
creator: Manfred Wendisch
creator: Christof Lüpkes
creator: Matthias Buschmann
creator: Heiko Bozem
creator: Dmitry Chechin
creator: Hans-Christian Clemen
  type: Person
  family name: Clemen
  given name: Hans-Christian
creator: Regis Dupuy
creator: Oliver Eppers
creator: Jörg Hartmann
creator: Andreas Herber
creator: Evelyn Jäkel
  type: Person
  family name: Jäkel
  given name: Evelyn
creator: Emma Järvinen
creator: Olivier Jourdan
  type: Person
  family name: Jourdan
  given name: Olivier
creator: Udo Kästner
  type: Person
  family name: Kästner
  given name: Udo
creator: Leif-Leonard Kliesch
creator: Franziska Köllner
creator: Mario Mech
creator: Stephan Mertes
creator: Roland Neuber
creator: Elena Ruiz-Donoso
creator: Martin Schnaiter
creator: Johannes Schneider
creator: Johannes Stapf
creator: Marco Zanatta
date published: 2019
pagination: 1853-1881
is part of: Earth System Science Data
  type: Periodical
  type: PublicationVolume
  volume number: 11(4)
additional type: journal article

André Ehrlich
type: Person
family name: Ehrlich
given name: André

Manfred Wendisch
type: Person
family name: Wendisch
given name: Manfred

Christof Lüpkes
type: Person
family name: Lüpkes
given name: Christof

Matthias Buschmann
type: Person
family name: Buschmann
given name: Matthias

Heiko Bozem
type: Person
family name: Bozem
given name: Heiko

Dmitry Chechin
type: Person
family name: Chechin
given name: Dmitry

Regis Dupuy
type: Person
family name: Dupuy
given name: Regis

Oliver Eppers
type: Person
family name: Eppers
given name: Oliver

Jörg Hartmann
type: Person
family name: Hartmann
given name: Jörg

Emma Järvinen
type: Person
family name: Järvinen
given name: Emma

Leif-Leonard Kliesch
type: Person
family name: Kliesch
given name: Leif-Leonard

Franziska Köllner
type: Person
family name: Köllner
given name: Franziska

Mario Mech
type: Person
family name: Mech
given name: Mario

Stephan Mertes
type: Person
family name: Mertes
given name: Stephan

Roland Neuber
type: Person
family name: Neuber
given name: Roland

Elena Ruiz-Donoso
type: Person
family name: Ruiz-Donoso
given name: Elena

Martin Schnaiter
type: Person
family name: Schnaiter
given name: Martin

Johannes Schneider
type: Person
family name: Schneider
given name: Johannes

Johannes Stapf
type: Person
family name: Stapf
given name: Johannes

Marco Zanatta
type: Person
family name: Zanatta
given name: Marco

Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
type: Organization
alternate name: AWI

German Research Foundation
type: Organization
alternate name: DFG

Time
type: DefinedTerm
alternate name: T

Length
type: DefinedTerm
alternate name: L

Angle
type: DefinedTerm

Plane Angle
type: DefinedTerm

data matrix.tab
type: FileObject
type: DataDownload
encoding format: text/tab-separated-values